Changwat Chiang Mai Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Changwat Chiang Mai.
Climate overview of Changwat Chiang Mai
Temperatures in Changwat Chiang Mai, Thailand, shift moderately through the seasons. The warmest month is April at 38°C (100°F), and the coolest is December at 30°C (86°F).
The city receives considerable rainfall, with around 1178 mm (46 in) annually. August is the wettest month. It has distinct dry (November to April) and wet (July to September) seasons. March is the sunniest month, averaging 9.8 hours of sunshine per day.
Changwat Chiang Mai Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Changwat Chiang Mai - and find the best time to visit.
Monthly Temperature in Changwat Chiang Mai
In Changwat Chiang Mai, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a very hot 38°C (100°F) in April to a comfortable 30°C (86°F) in the coolest month, December.
Nights vary from 25°C (77°F) in April to around 16°C (61°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Changwat Chiang Mai
Changwat Chiang Mai has a notably wet climate with abundant precipitation, recording 1178 mm (46 in) of rainfall per year. The climate in Changwat Chiang Mai shows significant variation throughout the year. Expect heavy rainfall in August, the wettest month, with an average of 256 mm (10 in) of precipitation over 20 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 4.5 mm (0.2 in) of rainfall over a single rainy day. For more details, please visit our Changwat Chiang Mai Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Changwat Chiang Mai
For those who appreciate different seasons, Changwat Chiang Mai serves as an ideal destination. Expect longer, more sun-filled days in March with an average of 9.8 hours of sunshine daily, and embrace the darker days in August, offering only 3.9 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Changwat Chiang Mai by Month
The relative humidity is high throughout the year in Changwat Chiang Mai.
The city experiences its highest humidity in August, reaching 81%. In March, the humidity drops to its lowest level at 52%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Changwat Chiang Mai
The average wind speed over the year ranges from () to 1 m/s (2 knots). It is lower in January, November and December and higher in February, March, April, May, June, July, August, September and October. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Changwat Chiang Mai
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, November and December
- Warmest weather: April
- Most sunshine: March
- Fewest rainy days: January, February, March and December
- Wettest months: May, June, July, August, September and October, when rainfall is highest.
- Seasonal pattern: Distinct dry (November to April) and wet (July to September) seasons
Frequently asked questions about the climate in Changwat Chiang Mai
What is the best time to visit Changwat Chiang Mai?
January, November and December typically offer the most optimal weather in Changwat Chiang Mai. In contrast, February, March, April, May, June, July, August and September tend to have less optimal conditions. Changwat Chiang Mai has distinct dry (November to April) and wet (July to September) seasons.
What temperatures can I expect in Changwat Chiang Mai?
Daytime highs range from 30°C (86°F) in December to 38°C (100°F) in April. Nighttime lows range from 16°C (61°F) to 25°C (77°F).
How much rain does Changwat Chiang Mai get?
Annual rainfall is around 1178 mm (46 in). August is the wettest month with 256 mm (10 in), while February is the driest with 4.5 mm (0.2 in).
How sunny is Changwat Chiang Mai?
Changwat Chiang Mai receives around 2,525 hours of sunshine per year. March is the sunniest month with 295 hours, while August is the cloudiest with just 116 hours. Overall, Changwat Chiang Mai enjoys abundant sunshine.
Changwat Chiang Mai 3-Day Forecast
Changwat Chiang Mai on the map
Changwat Chiang Mai is highlighted - select any city to see its climate.
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