Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
December verdict
Very good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 7.3h per day, enough for a balanced month. Rainfall averages 22mm, which is relatively low for holiday planning.
Monthly averages
Temp
27°C
Rain
22mm
Sun
7.3h
Weather score
74
Very good
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 22mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.3h per day, enough for a balanced month.
Map
Compare Chiang Rai, Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
December27°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMarch to May
This stretch sets the upper range for average daytime heat.
December22mm average rain
December is one of Chiang Rai's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December7.3 hours average sun
December sits close to Chiang Rai's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
December74 weather score
December scores above Chiang Rai's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to March and November
These months have the strongest weather score in the monthly averages.