Mornings sit near the overnight low around 24°C with clear, cooler light — best for outdoor photos before crowds build.
Chiang Mai Weather in January
Everything you need to know about Chiang Mai weather in January
Updated September 10, 2026
Thailand · Chiang Mai
Chiang Mai Weather in January
January in Chiang Mai is hot, humid and energetically busy. Expect daytime highs around 31°C (88°F), mild nights around 24°C, long sunny stretches, and the city at its most magical and most crowded Check the full climate tables below for monthly averages and packing cues.
- Avg high / low
- 31°C / 24°C
- 88F / 75F
- Precipitation
- 16mm
- 2 wet days
- Daylight
- 9.5 hrs
- near the annual low
Chiang Mai average temperatures through the year
JanuaryRest of the year
31°
32°
33°
34°
34°
33°
32°
32°
32°
31°
30°
31°
JAN
2 wet
FEB
2 wet
MAR
4 wet
APR
6 wet
MAY
10 wet
JUN
14 wet
JUL
15 wet
AUG
14 wet
SEP
12 wet
OCT
8 wet
NOV
5 wet
DEC
3 wet
Daytime highs in Celsius with wet days per month for Chiang Mai. January sits at 31°C with 2 wet days.
The short answer
January falls in Chiang Mai's cool season. Daytime highs average 31°C (88°F) with nights near 24°C (75°F). Precipitation totals about 16mm across roughly 2 wet days. Settling snow is uncommon. Visiting works well if you plan for high crowds Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
January climate in Chiang Mai
Monthly averages for Chiang Mai, Thailand.
- Day high
- 31°C
- 88°F
- Night low
- 24°C
- 75°F
- Precipitation
- 16mm
- 0.6 in
- Wet days
- 2
- rain or drizzle
- Sunrise
- 7:15am
- mid-January
- Sunset
- 4:45pm
- near the annual low
- Daylight
- 9.5 hrs
- 9 hrs sunshine
Averages based on long-run monthly climate normals. Last updated September 10, 2026.
Real weeks swing around the 28°C mean. Early January often sits near 30°C while the final week lands closer to 32°C. Pack a spare layer for that 1° drift rather than dressing only for the monthly average Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Rain and drizzle usually arrive in pulses across the 2 wet days. Dry stretches between systems feel clearer and colder overnight. Use those gaps for outdoor sightseeing and keep indoor backups for the wetter clusters Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
What is the average temperature in Chiang Mai in January?
The average temperature in Chiang Mai in January is around 28°C (82°F), combining daytime highs of 31°C (88°F) with night lows of 24°C (75°F). The month warms steadily: the first days average highs near 30°C, while the final week typically tops out around 32°C with nights of 25°C.
Average daily high and low through January. The month warms by roughly 1 degrees start to finish.
How much does it rain in Chiang Mai in January?
Chiang Mai gets around 16mm (0.6in) of precipitation in January, spread over roughly 2 wet days. Wet spells typically last a day or two and clear to drier stretches in between Check the full climate tables below for monthly averages and packing cues.
16
16
32
48
80
112
120
112
96
64
40
24
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Average precipitation by month in millimetres. January's 16mm sits near the annual rhythm.
Average precipitation by hour of day in Chiang Mai
January precipitation in Chiang Mai falls fairly evenly around the clock, with a mild overnight and early-morning peak. There is no predictable afternoon-downpour pattern — check the day's forecast rather than timing outings by the clock Check the full climate tables below for monthly averages and packing cues.
12am6am12pm6pm12am
Relative share of January precipitation by hour of day. The distribution is fairly flat, with a mild overnight peak.
When is sunrise and sunset in Chiang Mai in January?
January daylight in Chiang Mai averages about 9.5 hours, near the annual low. Sunrise drifts from 7:15am to 7:31am across the month, while sunset holds near 4:45pm before edging toward 4:55pm. Plan outdoor sightseeing in the brighter midday window Check the full climate tables below for monthly averages and packing cues.
Sunrise and sunset through January. The shaded band is daylight Check the full climate tables below for monthly averages and packing cues.
How humid is Chiang Mai in January?
Relative humidity in Chiang Mai in January averages around 72 percent. At 31°C that reads damper than the thermometer suggests. Temperature and wind still drive packing more than humidity alone Check the full climate tables below for monthly averages and packing cues.
72
70
72
75
78
82
82
80
78
75
73
72
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Average relative humidity by month. January sits near 72%.
What is the weather like in Chiang Mai the rest of the year?
Chiang Mai moves from cooler months near 30°C highs through a warmer peak near 34°C. The best-weather stretch usually aligns with January and February. January sits in the cool season arc with 31°C highs Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Average high (coral) and low (navy) by month. The shaded band is the typical daily range; JAN is marked.
Is January a good time to visit Chiang Mai?
Yes — if you accept high crowds. Here is the honest trade-off.
OverallGreat for dry travel
WeatherHot and humid
CrowdsHigh
PricesHigh
Budget (per night)$220 to $350
Book ahead6 to 8 weeks
January in Chiang Mai is defined by dry season, ideal weather and 31°C days. Stays often land in the $220–$350 range with high season demand. The smartest move is to book about 6–8 weeks ahead and keep outdoor blocks in the brighter midday window Check the full climate tables below for monthly averages and packing cues.
Pros
- 31°C highs suit dry days in Chiang Mai
- 9h average sunshine for daytime plans
- High crowds shape the January pace
- High season rates for stays and flights
Cons
- 2 wet days can pause outdoor sightseeing
- Humidity at 72% can feel heavier than the air temp
- Hotel rates climb fast mid-month
- Daylight near 9.5 hrs shortens evening walks
Travelling to Chiang Mai in January?
Book lodgings about 6–8 weeks ahead, then visit the busiest central sights right at opening on a weekday to skip the mid-afternoon crush first-timers always hit Check the full climate tables below for monthly averages and packing cues. Compare months on our Best Time to Visit Chiang Mai guide.
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What January actually feels like
January is Chiang Mai's cool season in lived terms: dry season, ideal weather. Most days feel cold, dry and often clear, with damper grey stretches arriving in bursts rather than settling in for the whole month Check the full climate tables below for monthly averages and packing cues.
The underestimated variable is short daylight. It truncates outdoor evenings and pushes dinner earlier. Build one indoor spare block every day Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Early January often starts near 30°C while the final week trends toward 32°C. That 1° drift is enough to change coat weight mid-trip. Recheck the forecast before packing day seven Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Afternoons reach 31–32°C before an early sunset near the 9.5-hour daylight limit — plan open-air stops then.
Evenings cool quickly toward 24°C; shift to indoor dining and illuminated streets once the light drops.
January in Chiang Mai, week by week
Crowds and prices move more than the thermometer.
January 1–7
30°C (86°F)- Crowds
- High
- Prices
- High season
- Best for
- Quieter weekday exploring
January 8–14
31°C (88°F)- Crowds
- High
- Prices
- High season
- Best for
- Balanced weather window
January 15–21
31°C (88°F)- Crowds
- High
- Prices
- Peak season
- Best for
- Festive peak atmosphere
January 22–31
32°C (90°F)- Crowds
- High
- Prices
- Peak season
- Best for
- Late-month flexible plans
Temperatures are Chiang Mai monthly averages split across each window. Individual years vary by several degrees.
Chiang Mai events in January
The fixtures worth timing your trip around, and how they move the crowds.
Through January
JAN
Dry season, ideal weather in Thailand
Dry season, ideal weather reshapes costs and crowds for visitors.
November through February across most of Thailand
NOV–FEB
Cool dry season (peak tourism)
Clearest beach weather drives nationwide rate spikes.
Timing note
Exact dates shift each year. Check dates for your travel year, or let Holi-AI sequence them into your plan automatically.
What to pack and wear for Chiang Mai in January
Light fabric, serious sun care
Pack for Chiang Mai in January around the 31°C / 24°C swing. The governing rule is ventilate and block UV. The one item worth buying before you fly is a breathable mid-layer Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Essential
- Breathable shirts
- Sun hat
- SPF 50+ sunscreen
- Refillable bottle
Smart additions
- Scarf or buff
- Portable charger
- Clear tote for layers
- Lip balm SPF
Leave behind
- Thick parkas
- Wool sweaters
- Snow boots
Top places to visit in Chiang Mai in January
Outdoor icons with shade breaks
City centre · Free
Chiang Mai landmark walk
Go early on weekdays for quieter photos and softer light.
Add to your planWaterfront · Free
Harbour or river promenade
Golden hour is the calmest window Check the full climate tables below for monthly averages and packing cues.
Add to your planMuseum quarter · Paid
Flagship museum morning
Weekday openings beat weekend queues and wet-day backups.
Add to your planOld town · Free
Historic streets loop
Late morning light helps cold stone feel less harsh.
Add to your planPark · Free
Central green escape
Shade and benches make longer walks realistic Check the full climate tables below for monthly averages and packing cues.
Add to your planCovered market · Free
Indoor food hall backup
Ideal when wet days interrupt outdoor plans Check the full climate tables below for monthly averages and packing cues.
Add to your plan
Top places to stay in January
Base near the sights that matter in January
Best overall
Central core
Walkable to main sights with easier 9.5-hour daylight logistics Check the full climate tables below for monthly averages and packing cues.
Best value
One transit stop out
Lower rates than the core while staying close for high evenings.
Local feel
Neighbourhood streets
Quieter nights and easier restaurant bookings than the busiest tourist blocks.
Top restaurants to visit in January
Breezy rooms and light seasonal plates
Downtown · Classic
Chiang Mai lunch counter
Hearty midday stop when outdoor plans run short on daylight.
Add to your planOld town · Cosy
Neighbourhood bistro
Low light and early dinners match short sunset windows Check the full climate tables below for monthly averages and packing cues.
Add to your planMarket · Casual
Covered market stalls
Fast warm food without a reservation on wet afternoons Check the full climate tables below for monthly averages and packing cues.
Add to your planRiverside · Scenic
Waterfront cafe
Daylight seating works best before the evening chill Check the full climate tables below for monthly averages and packing cues.
Add to your planArts district · Modern
Gallery-side kitchen
Pairs well with museum days when weather turns Check the full climate tables below for monthly averages and packing cues.
Add to your planResidential · Local
Corner noodle or soup spot
Simple, hot bowls that suit cold or humid evenings Check the full climate tables below for monthly averages and packing cues.
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Chiang Mai weather by month
How January compares. Every month links to its full weather guide.
| Month | Avg high | Wet days | Crowds | Cost | Overall | Best for |
|---|---|---|---|---|---|---|
| January | 31°C (88°F) | 2 | High | High | Great | Dry — this guide |
| February | 32°C (90°F) | 2 | High | Peak | Great | Peak dry season |
| March | 33°C (91°F) | 4 | High | Peak | Great | Hot but dry |
| April | 34°C (93°F) | 6 | High | High | Okay | Hottest month |
| May | 34°C (93°F) | 10 | Medium | Mid | Okay | Pre-monsoon humidity |
| June | 33°C (91°F) | 14 | Low | Budget | Avoid | Monsoon rains |
| July | 32°C (90°F) | 15 | Low | Budget | Avoid | Heavy rainfall |
| August | 32°C (90°F) | 14 | Low | Budget | Avoid | Continued monsoon |
| September | 32°C (90°F) | 12 | Medium | Mid | Okay | Rains easing |
| October | 31°C (88°F) | 8 | High | High | Great | Transition to dry season |
| November | 30°C (86°F) | 5 | High | High | Great | Dry season begins |
| December | 31°C (88°F) | 3 | High | High | Great | Dry and festive |
Temperatures shown as Chiang Mai monthly averages.
January vs December: January averages 28°C versus 28°C in December — a 0°C warm-up. Crowds shift from High to High while pricing moves into high season. Pick January if you want dry season, ideal weather Check the full climate tables below for monthly averages and packing cues.
January vs February: February trends to 29°C, 1°C warmer than January. Expect high crowds and peak season rates. Pick February if you prefer peak dry season Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
Want January sun instead?
Need more sun than Chiang Mai offers in January?
- 31°C
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Chiang Mai in January FAQ
Everything you need to know about Chiang Mai weather in January
Daytime highs average 31°C (88°F) and nights fall near 24°C (75°F). The monthly mean sits around 28°C. Expect a 1° swing from early to late January Check the full climate tables below for monthly averages and packing cues Check the full climate tables below for monthly averages and packing cues.
How we work this out
Temperature and rainfall figures are 30-year meteorological averages. Crowd levels come from national tourism arrival data. Price bands reflect mid-range accommodation and economy flights from major long-haul cities, sampled quarterly.
Last updated September 10, 2026 · Written by the Holicay travel team