Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
December verdict
Chiang Mai, Thailand in December
Weather score81Very good
Very good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 8.2h per day, so bright days are a strong part of the month. Rainfall averages 12mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
28°C
Rain
12mm
Sun
8.2h
Weather score
81
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 12mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.2h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Chiang Mai, Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December28°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMarch to April
This stretch sets the upper range for average daytime heat.
Rain
December12mm average rain
December is one of Chiang Mai's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December8.2 hours average sun
December is brighter than Chiang Mai's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Weather score
December81 weather score
December scores above Chiang Mai's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to March and November to December
These months have the strongest weather score in the monthly averages.
