Chiang Mai, Thailand Weather
Chiang Mai hourly forecast: next 24 hours
Today's high of 88°F (31°C) is about 3°F (2°C) above the typical August high of 85°F (29°C).
Current conditions in detail
Chiang Mai weather tomorrow (Friday, August 14)
Tomorrow in Chiang Mai looks patchy rain nearby, with a high of 87° and an overnight low of 71°. There is a 81% chance of rain - plan accordingly. Winds top out near 4 mph, and the UV index reaches 11 (very high).
Chiang Mai 14-day forecast
About the weather in Chiang Mai
Weather in Chiang Mai is shaped by its tropical wet-and-dry climate - expect year-round warmth split between a rainy season and a pronounced dry season. April afternoons typically reach 96°F (35°C), while January highs hover near 81°F (27°C). Annual precipitation averages 71.5 inches (1815 mm) over about 167 rainy days.
Chiang Mai weather: quick facts
- Hottest month: April - highs near 96°F (35°C)
- Coldest month: January - highs near 81°F (27°C)
- Record high: 108°F (42°C) · Record low: 49°F (10°C) (2015–2024)
- Wettest month: August (29 rainy days) · Sunniest: April (11.1 h sun/day)
- Climate type: tropical wet-and-dry - year-round warmth split between a rainy season and a pronounced dry season
Temperatures through the year
The warmest stretch of the year centers on April. Highs average 96°F (35°C) and overnight lows stay near 74°F (24°C). The coolest month is January, with typical highs of 81°F (27°C) and lows around 62°F (17°C). Based on 2015–2024 weather data, temperatures have reached as high as 108°F (42°C) and dropped as low as 49°F (10°C).
Rain, sun and snow
August is usually the wettest month. It brings about 15.4 inches (390 mm) of rain over 29 days, while March is the driest. April brings the most sunshine, averaging 11.1 hours of sun a day.
Season by season
March through May
March through May in Chiang Mai brings serious heat, with daytime highs averaging 94°F (34°C) and nights around 74°F (23°C); expect showers on roughly 26 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
June through August
June through August in Chiang Mai is hot, with daytime highs averaging 86°F (30°C) and nights around 75°F (24°C); expect showers on roughly 81 days across the season.
September through November
September through November in Chiang Mai runs hot, with daytime highs averaging 84°F (29°C) and nights around 71°F (22°C); expect showers on roughly 52 days across the season.
December through February
December through February in Chiang Mai brings hot afternoons, with daytime highs averaging 83°F (28°C) and nights around 63°F (17°C); rain falls on about 9 days over the three months.
Average temperatures in Chiang Mai by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 81° | 62° | 4 | 1.0 in | 10.2 h/day | 71% |
| February | 86° | 64° | 1 | 0.8 in | 10.8 h/day | 59% |
| March | 94° | 70° | 2 | 0.4 in | 10.9 h/day | 52% |
| April | 96° | 74° | 7 | 2.2 in | 11.1 h/day | 55% |
| May | 93° | 76° | 17 | 7.2 in | 10.7 h/day | 69% |
| June | 88° | 75° | 24 | 8.7 in | 9.3 h/day | 80% |
| July | 86° | 75° | 27 | 13.1 in | 8.0 h/day | 85% |
| August | 85° | 74° | 29 | 15.4 in | 7.4 h/day | 87% |
| September | 85° | 74° | 26 | 12.9 in | 8.7 h/day | 86% |
| October | 84° | 72° | 18 | 6.8 in | 9.7 h/day | 84% |
| November | 84° | 69° | 8 | 1.9 in | 10.1 h/day | 79% |
| December | 81° | 64° | 3 | 1.0 in | 10.2 h/day | 74% |