Weather
Weather in Chiang Mai by month
The best time to visit is October–February, with average highs of 24–29°C and moderate rain. April is the warmest month (about 34°C by day) and January the coolest (13°C at night); August is the wettest (around 237 mm of rain) and February the driest.
Chiang Mai weather by month
| Month | Jan★ | Feb★ | Mar | Apr | May | Jun | Jul | Aug | Sept | Oct★ | Nov★ | Dec★ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High / Low (°C) | 26° 13° | 29° 14° | 32° 17° | 34° 20° | 31° 21° | 29° 21° | 28° 20° | 27° 20° | 27° 20° | 26° 19° | 25° 16° | 24° 14° |
| Rain (mm) | 15 | 5 | 23 | 63 | 189 | 141 | 178 | 237 | 222 | 123 | 37 | 13 |
Average daily high and low (°C) and monthly rainfall (mm) · Forecast: MET Norway (yr.no) · Climate averages: NASA POWER
Chiang Mai month by month
- ★ Best time
January
26°/ 13°Warm
15 mm · dryPack: T-shirts, plus a layer for evenings
Good trips this month
Warm and dry: around 26°C by day and 13°C at night, with about 15 mm of rain.
- ★ Best time
February
29°/ 14°Warm
5 mm · dryPack: T-shirts, plus a layer for evenings
Good trips this month
Warm and dry: around 29°C by day and 14°C at night, with about 5 mm of rain.
March
32°/ 17°Hot
23 mm · fairly dryPack: Light clothes, sun hat and sunscreen
Good trips this month
Hot and fairly dry: around 32°C by day and 17°C at night, with about 23 mm of rain.
April
34°/ 20°Hot
63 mm · fairly dryPack: Light clothes, sun hat and sunscreen
Good trips this month
Hot and fairly dry: around 34°C by day and 20°C at night, with about 63 mm of rain.
May
31°/ 21°Hot
189 mm · wetPack: Light clothes, sun hat and sunscreen · umbrella
Good trips this month
Hot and wet: around 31°C by day and 21°C at night, with about 189 mm of rain.
June
29°/ 21°Warm
141 mm · wetPack: T-shirts, plus a layer for evenings · umbrella
Good trips this month
Warm and wet: around 29°C by day and 21°C at night, with about 141 mm of rain.
July
28°/ 20°Warm
178 mm · wetPack: T-shirts, plus a layer for evenings · umbrella
Good trips this month
Warm and wet: around 28°C by day and 20°C at night, with about 178 mm of rain.
August
27°/ 20°Warm
237 mm · wetPack: T-shirts, plus a layer for evenings · umbrella
Good trips this month
Warm and wet: around 27°C by day and 20°C at night, with about 237 mm of rain.
September
27°/ 20°Warm
222 mm · wetPack: T-shirts, plus a layer for evenings · umbrella
Good trips this month
Warm and wet: around 27°C by day and 20°C at night, with about 222 mm of rain.
- ★ Best timeThis month
October
26°/ 19°Warm
123 mm · some rainPack: T-shirts, plus a layer for evenings · umbrella
Good trips this month
Warm and some rain: around 26°C by day and 19°C at night, with about 123 mm of rain.
- ★ Best time
November
25°/ 16°Warm
37 mm · fairly dryPack: T-shirts, plus a layer for evenings
Good trips this month
Warm and fairly dry: around 25°C by day and 16°C at night, with about 37 mm of rain.
- ★ Best time
December
24°/ 14°Warm
13 mm · dryPack: T-shirts, plus a layer for evenings
Good trips this month
Warm and dry: around 24°C by day and 14°C at night, with about 13 mm of rain.
Weather questions about Chiang Mai
Quick answers
When is the best time to visit Chiang Mai?
What's the weather like in Chiang Mai in October?
Warm and some rain: around 26°C by day and 19°C at night, with about 123 mm of rain. Pack: T-shirts, plus a layer for evenings, umbrella. October is one of the best months to visit.
When is the best time for sightseeing in Chiang Mai?
December: that's when the weather suits it best — warm enough and mostly dry.
When is the best time for hiking in Chiang Mai?
December: that's when the weather suits it best — warm enough and mostly dry.
What is the warmest month in Chiang Mai?
April: average highs of about 34°C and lows of 20°C.
Which month has the most rain in Chiang Mai?
How cold does Chiang Mai get?
In January, the coolest month, days average 26°C and nights 13°C. Frost is rare.
Average daily high and low (°C) and monthly rainfall (mm) · Forecast: MET Norway (yr.no) · Climate averages: NASA POWER · Chiang Mai Trips