Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Weather Guide
Chiang Rai, Thailand Average Monthly Weather
Weather score63Good annual avg
Best months: February, March, November
Across the year, average daytime temperatures are around 31°C, sunshine averages 6.8h per day, and rainfall totals about 1705mm.
Annual weather
Annual averages
Temp
31°C
Rain
1705mm
Annual total
Sun
6.8h
Weather score
63
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 393mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.8h per day, so this is not one of the brighter months.
Map
Weather map
Compare Chiang Rai, Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August31°C average high
August is close to Chiang Rai's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsMarch to May
This stretch sets the upper range for average daytime heat.
Rain
August393mm average rain
August is one of Chiang Rai's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August4.8 hours average sun
August is one of Chiang Rai's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Weather score
August39 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March and November
These months have the strongest weather score in the monthly averages.
