Chiang Mai Weather in January
Chiang Mai in January sees very high daytime temperatures of 31°C (88°F) and nighttime lows of 15°C (59°F). With just 9.2 mm (0.4 in) of rainfall expected, it's a dry month overall.
Rainfall in Chiang Mai in January
You can expect rain on around a single day based on historical patterns, with 9.2 mm (0.4 in) average for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in Chiang Mai in January
The temperature in Chiang Mai in January is excellent. Daytime highs reach 31°C (88°F), with nights dropping to 15°C (59°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Chiang Mai in January
With approximately 270 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Chiang Mai in January
Average wind conditions reach () in January. This results in mostly calm, still weather and is ideal for most activities. While this is an average, conditions can vary slightly from completely calm to occasionally breezy days.If your ideal day consists of dry skies and pleasant temperatures, January, November and December typically offer the best circumstances for Chiang Mai.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Chiang Mai's climate page.
Chiang Mai Temperature in January
Min Temperature
15°C (59°F)
Max Temperature
31°C (88°F)
Chance of Rain
3%
Precipitation
9.2 mm (0.4 in)
Rainy days
a single day
Humidity
67%
Windspeed
()
Sunshine
270 hours
Percentage Sunshine
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Chiang Mai typically stay consistent throughout January, with daily highs averaging around 31°C (88°F). Nights are pleasant, with lows around 16°C (61°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Chiang Mai in January
Browse day-by-day weather records for Chiang Mai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chiang Mai historical weather extremes in January
The extremes listed below come from historical weather data collected in Chiang Mai from 1976 through 2025.
- On January 25, 2001, temperatures climbed to 35°C (95°F), marking the warmest January day on record.
- The lowest overnight temperature recorded in January was 6°C (43°F) (January 1, 1976).
Best Places in Thailand in January
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Chiang Mai in January
Warm temperatures in January make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Chiang Mai in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Chiang Mai's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Chiang Mai climate overview or explore weather in Thailand.
