What to pack for Chiang Mai in January
- t-shirts and light layers
- a light jacket for evenings
Humidity averages 70%; max daily wind around 8 km/h.
How January compares
Best months in Chiang Mai: December–January. See the full best time to visit Chiang Mai guide.
Chiang Mai in January: the details
In January, Chiang Mai sees average daytime highs of 28°C (82°F) and overnight lows of 17°C (62°F). Rainfall totals roughly 21 mm across 3.7 rainy days, and the sun shines about 10.6 hours per day with 11 hours of daylight mid-month. Relative humidity averages 70%.
In context: January is the 11th-warmest month and the 10th-wettest in Chiang Mai. The sunniest month is April (10.9 h/day).
| Metric | January average |
|---|---|
| Daytime high | 28°C / 82°F |
| Overnight low | 17°C / 62°F |
| Rainfall | 21 mm over 3.7 rainy days |
| Sunshine | 10.6 h/day (11 h daylight) |
| Humidity | 70% |
| Travel score | 10.0 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Chiang Mai, Thailand (18.79, 98.98) — see our methodology. Actual conditions vary year to year.
Not set on Chiang Mai? Browse the best places to visit in January ranked by travel score.
Frequently asked questions
How hot is Chiang Mai in January?
Daytime highs in Chiang Mai in January average 28°C (82°F); nights drop to about 17°C.
Does it rain in Chiang Mai in January?
Expect around 3.7 rainy days and 21 mm of rainfall in January.
Is January a good time to visit Chiang Mai?
January is one of the best months to visit Chiang Mai. Overall travel score: 10.0/10. The best months are December–January.
Also good in January, near Chiang Mai
Where should you go next month?
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