2026 Climate Averages

Chiang Mai: Weather Guide & Climate

Complete month-by-month weather guide: Chiang Mai. Best time to visit: November, December, January, February. Plan your trip with detailed climate data.

☀️ Climate Overview

Chiang Mai has a Tropical climate with average yearly highs of 33°C, lows of 23°C, and approximately 11 rainy days per month.

The best time to visit Chiang Mai is during November, December, January, February, when humidity is lower and there are fewer rain showers

Drier season: Jan–Dec Wetter season: May–Oct

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Best Time

J F M A M J J A S O N D
Conditions Excellent

Hottest

37°C April
Avg Low 25°C
Rain 4 days

Coldest

16°C January
Avg High 31°C
Rain 1 day

Driest Month

1 rainy days January
Avg High 31°C
Avg Low 16°C

Windiest Month

9 km/h

March (gusts 24)

Forecast for your trip dates

Up to 14 days ahead

Weather by Season

Spring

Mar–May

High 36°C
Low 24°C
Rain 6 days
Crowds
Quiet
Travel Costs Shoulder Rates

Summer

Jun–Aug

High 33°C
Low 26°C
Rain 20 days
Crowds
Very Quiet
Travel Costs Shoulder Rates

Autumn

Sep–Nov

High 32°C
Low 23°C
Rain 16 days
Crowds
Moderate
Travel Costs Shoulder Rates

Winter

Dec–Feb

High 31°C
Low 17°C
Rain 1 day
Crowds
Very Busy
Travel Costs Peak Rates

Month-by-Month Weather Table

January

Best
Excellent
31° / 16°
1d (3mm)
10.2h
72% Muggy
UV 7 High

February

Best
Excellent
33° / 18°
1d (5mm)
10.6h
63% Moderate
UV 8 Very High

March

Good
36° / 22°
2d (9mm)
10.9h
58% Moderate
UV 9.1 Very High

April

Good
37° / 25°
4d (31mm)
10.9h
60% Moderate
UV 9 Very High

May

Good
36° / 26°
11d (88mm)
10.4h
67% Muggy
UV 8.1 Very High

June

Wet
34° / 26°
16d (106mm)
9.4h
73% Muggy
UV 6.9 High

July

Wet
33° / 26°
21d (175mm)
8.5h
77% Muggy
UV 6.5 High

August

Wet
32° / 25°
23d (216mm)
7.5h
82% Very Muggy
UV 6 High

September

Wet
32° / 25°
24d (257mm)
8.5h
84% Very Muggy
UV 6.2 High

October

Wet
32° / 24°
17d (155mm)
8.9h
83% Very Muggy
UV 6.2 High

November

Best
Excellent
31° / 21°
6d (37mm)
9.4h
82% Very Muggy
UV 6.2 High

December

Best
Excellent
30° / 17°
1d (4mm)
9.8h
79% Muggy
UV 6.2 High

⚖️Find Your Ideal Month

Adjust the sliders to weight what matters most to you.

5
3
3
Your Best MonthOctScore: 8
1.Oct
82.Apr
7.93.Jun
7.64.Jul
7.65.Sep
7.66.Aug
7.27.Mar
78.May
79.Jan
5.610.Feb
5.611.Nov
5.612.Dec
5.6

Where to Stay

See hotels, apartments & rentals around Chiang Mai – live prices from Booking.com, Expedia, Vrbo and more

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Chiang Mai

Northern Thai temples with Doi Suthep temple and Old City temples, night markets, elephant sanctuaries, and mountain escapes.

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Ready to Plan Your Chiang Mai Trip?

Get strategic travel tips, seasonal insights, and expert recommendations.

Frequently Asked Questions

What type of climate does Chiang Mai have?
Chiang Mai has a tropical climate with average yearly temperatures of 33°C and 23°C.
When is the best time to visit Chiang Mai?
The best time to visit Chiang Mai is during November, December, January, February, when temperatures average around 31°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Chiang Mai?
The hottest month in Chiang Mai is April with average highs of 37°C, while the coldest is January with average lows of 16°C.
When is the rainy season in Chiang Mai?
Chiang Mai sees the most rain in September (24 rainy days), while January is the driest month (1 rainy days).
Does it get cold at night in Chiang Mai?
Night temperatures vary throughout the year. The coldest nights are in January (16°C), while April has the warmest evenings (25°C). Pack layers for cooler months.
When is it too hot to visit Chiang Mai?
Chiang Mai can get very hot during March, April, May, with temperatures reaching up to 37°C. Plan outdoor activities for early morning or evening, and stay hydrated.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Last Updated: February 2026

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