Thailand Chiang Mai Weather in January — Climate Guide
January in Chiang Mai is very-high
January is very-high for Chiang Mai.
Peak month — cool, dry, clear skies. Highland cool 15°C lows mean light sweater. Pre-Lunar New Year hotel surge.
Travel score
Chiang Mai January Weather Stats
Avg High
28°C
Avg Low
15°C
Rainy Days
2
10mm total
Sunshine
8h
Daily avg
Humidity
65%
moderate
UV Index
7
High
Wind
6 km/h
Gusts 15
Sea Temp
0°C
no swimming
Crowds
Very busy
At attractions
January Sunrise & Sunset
Air Quality
PM2.5
25 μg/m³
PM10
45 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
27°C
Nighttime
14°C
Humidity and wind affect how the actual temperature feels.
Wind
6 km/h
Max gust 15 km/h
Activities Recommended for January
January Travel Pros & Cons
Pros
- 28/15°C ideal
- Clear skies + low rain
- Cool evenings perfect
- Yi Peng afterglow
Cons
- Highest hotel prices
- Tourist crush peak
January Events & Festivals
- Chiang Mai Flower Festival prep
Chiang Mai in January — Full Picture
Peak month — cool, dry, clear skies. Highland cool 15°C lows mean light sweater. Pre-Lunar New Year hotel surge.
What to Wear & What to Pack
Cool dry. T-shirt + light sweater for evening + light jacket morning.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
34.7°C
22°C
6.3/mo
Summer (Jun·Jul·Aug)
32°C
23°C
14.3/mo
Autumn (Sep·Oct·Nov)
30.3°C
21°C
11.3/mo
Winter (Dec·Jan·Feb)
Current29°C
15.7°C
2/mo
Chiang Mai Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 28° | 15° | 2d·10mm | 8h | 65% | 7 | Very busy | Peak |
| February (Best) | 31° | 17° | 2d·10mm | 9h | 60% | 8 | Very busy | Peak |
| 34° | 20° | 3d·25mm | 9h | 60% | 10 | Busy | Shoulder | |
| 36° | 23° | 5d·50mm | 8h | 65% | 11 | Busy | Peak | |
| 34° | 23° | 11d·150mm | 7h | 75% | 11 | Quiet | Low season | |
| 32° | 23° | 13d·130mm | 6h | 80% | 10 | Quiet | Low season | |
| 32° | 23° | 14d·150mm | 6h | 80% | 10 | Moderate | Shoulder | |
| 32° | 23° | 16d·175mm | 6h | 82% | 9 | Moderate | Shoulder | |
| 32° | 23° | 17d·200mm | 6h | 82% | 8 | Quiet | Low season | |
| 30° | 22° | 12d·130mm | 7h | 80% | 8 | Moderate | Shoulder | |
| November (Best) | 29° | 18° | 5d·50mm | 8h | 70% | 7 | Very busy | Peak |
| December (Best) | 28° | 15° | 2d·15mm | 8h | 65% | 7 | Very busy | Peak |
View Other Months
Chiang Mai January Hotel Picks
Frequently Asked Questions
Is January a good time to visit Chiang Mai?
Chiang Mai in January is very-high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Chiang Mai in January?
Chiang Mai January averages a high of 28°C and a low of 15°C.
Does it rain much in Chiang Mai in January?
Chiang Mai January averages 10mm of rainfall over about 2 rainy days.
What should I wear in Chiang Mai in January?
Cool dry. T-shirt + light sweater for evening + light jacket morning.
What time are sunrise and sunset in Chiang Mai in January?
Chiang Mai January sunrise is 06:45 and sunset is 18:00, with 11h 15min of daylight.
What's the air quality like in Chiang Mai in January?
Chiang Mai January air quality (AQI) averages 60, rated Moderate. PM2.5 averages 25μg/m³.
What activities are recommended in Chiang Mai in January?
In January, Chiang Mai is great for Doi Suthep sunrise, Old City temples, Elephant Park.
Is January peak season in Chiang Mai?
Chiang Mai January crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Chiang Mai
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.