Chiang Mai Weather Forecast
Chiang Mai weather: 79°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Climate in Chiang Mai month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 81° | 62° | 0,3 in | ★★★★☆ |
| February | 87° | 65° | 0,8 in | ★★★★☆ |
| March | 92° | 69° | 0,5 in | ★★★★★ |
| April | 98° | 76° | 1,1 in | ★★★★☆ |
| May | 92° | 76° | 12,4 in | ★★☆☆☆ |
| June | 88° | 75° | 11,5 in | ★★★☆☆ |
| July | 86° | 75° | 18,5 in | ★★★☆☆ |
| August | 86° | 74° | 13,0 in | ★★★☆☆ |
| September | 86° | 74° | 16,1 in | ★★★☆☆ |
| October | 86° | 72° | 7,9 in | ★★★☆☆ |
| November | 83° | 68° | 3,7 in | ★★★★☆ |
| December | 82° | 65° | 1,1 in | ★★★★☆ |
Climate type: Tropical. Source: Open-Meteo archive (ERA5).
Best time to visit Chiang Mai
Go in January, February, March and December. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: May, June and September - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Chiang Mai
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Chiang Mai compares with nearby places
Annual averages, and the difference against Chiang Mai.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Myanmar | 201 mi | 79°F | about the same | 119 in |
| Mekong River | 246 mi | 80°F | +33°F warmer | 85 in |
| Laos | 246 mi | 80°F | +33°F warmer | 85 in |
| Bangkok | 362 mi | 83°F | +37°F warmer | 63 in |
| Grand Palace | 362 mi | 83°F | +37°F warmer | 63 in |
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- Insect repellent and quick-dry fabrics for humidity
- If your dates are flexible, avoid May, June and September - historically the least comfortable months here.
See the Chiang Mai forecast by time range
Chiang Mai weather - more answers
Explore Chiang Mai
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Chiang Mai?
Chiang Mai is a city in Thailand. Its coordinates are 18.7883, 98.9853. It lies in Asia.
What is the weather like in Chiang Mai right now?
It is currently 79°F (26°C) with overcast. Humidity is 83% and wind is 3 mph.
When is the best time to visit Chiang Mai?
January, February, March and December offer the most comfortable conditions in Chiang Mai, which has a tropical climate. May, June and September are usually the hardest months for outdoor plans.
What time zone is Chiang Mai in?
Chiang Mai observes Asia/Bangkok (UTC+07:00). The local time is 10:31 AM.
How many people live in Chiang Mai?
Chiang Mai has a population of approximately 127.000.
What are the top things to do in Chiang Mai?
Popular options include Mekong River.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 26, 2026 at 10:31 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
