Chiang Rai Climate by Month
The weather in Chiang Rai sees moderate temperature fluctuations over the course of a year.
Temperatures can be very hot at the high end
to roughly warm at the low end.
It also has a relatively rainy climate with high levels of precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
The weather in Chiang Rai changes moderately throughout the year, offering enough variation to appreciate each season. On average, daytime temperatures range from a very hot 36°C in April to a comfortable 28°C in January. Nighttime temperatures can drop, with averages reaching 15°C in January.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Chiang Rai experiences significant rainfall throughout the year, averaging 1937 mm of precipitation annually. The seasons in Chiang Rai, bring significant changes in precipitation. The wettest month, August, receives heavy rainfall, with an average of 366 mm of precipitation. This rainfall is distributed across 23 rainy days. In contrast, the driest month, February, experiences much less rainfall, totaling 14 mm over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Chiang Rai, summer days are longer and more sunny, with daily sunshine hours peaking at 9.8 hours in March. As the darker season arrives, the brightness of the sun becomes less. August sees a soft sun for only 3.9 hours per average day.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Chiang Rai.
Relative humidity over the year
The best time of year to visit Chiang Rai in Thailand
Chiang Rai has high temperatures year round ranging between 28°C and 35°C.The best time to visit is during the drier months: January, February, March, November and December.
Other facts from our historical weather data:
Rainy season in Chiang Rai occurs in the months of May, June, July, August and September.
April has an average maximum temperature of 36°C and is the hottest month of the year.
The coolest month is January with an average maximum temperature of 28°C.
August tops the wettest month list with 366 mm of rainfall.
February is the driest month with 14 mm of precipitation.
March is the sunniest month with an average of 295 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
