Weather in Chiang Mai in January 2025
Average weather
Average temperature in Chiang Mai in January
Going from a maximum of +32°C during the day to a minimum of +13°C during the night, the temperature in January averages around +29°C.
The average maximum temperature goes up 5% by the end of the month, compared with the beginning of the month, from +29°C to +30°C.
Is Chiang Mai warm or cold in January?
Chiang Mai is typically warm in January.
Maximum temperatures go up compared to the previous month from +29°C to +30°C. The minimum temperature also goes down from +17°C to +16°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
January is one of the coolest months in Chiang Mai, here is the comparison with other months:
Climate in Chiang Mai in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +29°C | +30°C | +33°C | ||||
| Min. temperature | ||||||
| +5°C | +10°C | +10°C | ||||
| Max. temperature | ||||||
| +34°C | +36°C | +38°C | ||||
| Rainfall | ||||||
| 11 mm | 8 mm | 4 mm | ||||
| Wind | ||||||
| 0 m/s | 0 m/s | 0 m/s | ||||
| Humidity | ||||||
| 70% | 66% | 55% | ||||
| Air pressure | ||||||
| 1014 HPa | 1013 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 18 | 22 | 23 | ||||
| Cloudy days | ||||||
| 9 | 6 | 3 | ||||
| Rainy days | ||||||
| 4 | 3 | 2 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
January weather is still as great as in December. It’s getting warmer as January arrives. The average maximum temperature goes up from +29°C to +30°C during the day. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 11 mm to 8 mm. It feels drier, as humidity decreases from 70% to 66%. The average wind speed doesn’t change much during January, staying around 0 m/s. The good news is there are likely to be more sunny days in January, from 18 to 22.
Next month (February) brings a further decline in the weather.
Wind
The average wind speed is 1 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Chiang Mai is gradually increasing during January, going from 1 m/s to 1 m/s over the course of the month.
How was the weather last January in Chiang Mai?
Climate Change over Years
The climate in Chiang Mai in January has not changed much over the last 43 years.
The average temperature was the lowest in 2011 (+31°C) and the highest in 1998 (+34°C). The driest year was 1998 with only 604 mm of rainfall, and the wettest year was 1994 with 1462 mm.
FAQ
Is January a good time to visit Chiang Mai?
Can you sunbathe in Chiang Mai in January?
Is Chiang Mai rainy in January?
Is it sunny in Chiang Mai in January?
Other cities in Thailand
Monthly weather in Chiang Mai
Source of the data
For this page, we’ve looked at the typical weather in Chiang Mai, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.