Chiang Mai monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Chiang Mai

Chiang Mai average temperature chart (Celsius) Chiang Mai average temperature chart (Fahrenheit)
Average monthly temperatures in Chiang Mai (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 28 31.2 33.9 35.2 33 31 30.6 30.2 30.3 30 28.7 27.3
°F 82.4 88.1 93.1 95.4 91.5 87.9 87 86.3 86.6 86.1 83.7 81.2

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Chiang Mai monthly rainfall chart (mm) Chiang Mai monthly rainfall chart (inches)
Average monthly rainfall in Chiang Mai (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 9 6 15 57 165 137 165 226 224 125 41 12
inches 0.3 0.2 0.6 2.3 6.5 5.4 6.5 8.9 8.8 4.9 1.6 0.5
Rainy days 1 1 2 6 16 18 20 21 18 12 6 2

Average annual rainfall in Chiang Mai: 1300.267mm (511.9 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Chiang Mai

Chiang Mai average daily sunshine chart
Average daily sunshine Chiang Mai
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 9.7 10.5 9.9 9.7 8.2 5.9 5.1 4.9 6 7.3 8.2 8.9

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Chiang Mai average minimum / maximum temperatures (Celsius) Chiang Mai average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Chiang Mai (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 12.7 13.8 17.1 20.9 22.5 22.8 22.7 22.5 22.1 21 18 14
Max °C 28.4 31.6 34.4 35.6 33.3 31.3 30.8 30.4 30.6 30.3 29 27.7
Min °F 54.8 56.8 62.7 69.5 72.5 73 72.8 72.4 71.7 69.7 64.4 57.1
Max °F 68.9 72.9 78.3 82.8 82.2 80.6 80.1 79.5 79.3 78.1 74.3 69.4

Sea temperature

The graph below shows the average sea temperature.

Chiang Mai average sea temperature chart (Celsius) Chiang Mai average sea temperature chart (Fahrenheit)
Average sea temperature around Chiang Mai in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 25 24.9 25.9 27.6 29.1 29.5 29.1 28.9 28.9 28.9 28 26.2
°F 77.1 76.8 78.6 81.6 84.4 85 84.4 84.1 84 84.1 82.4 79.1

Wind speed

The graph below shows the average wind speed.

Chiang Mai average winspeed by month (km/h) Chiang Mai average winspeed by month (mph)
Average wind speed in Chiang Mai (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 2 3 4 5 4 4 4 4 3 3 3 2
mph 1 2 3 3 3 3 3 2 2 2 2 1

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Chiang Mai relative humidity averages
Average relative humidity in Chiang Mai
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
70% 61% 53% 57% 71% 78% 78% 81% 82% 80% 78% 74%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Chiang Mai weather stats

Chiang Mai weather statistics
Hottest month: April 35.2°C 95.4°F
Driest month: February 6mm 0.2ins
Sunniest month: February 10.5hrs
Coldest month: January 28°C 82.4°F
Wettest month: August 226mm 8.9ins
Warmest sea: June 29.5°C 85.1°F
Map showing location of Chiang Mai (18.79038, 98.98468) Chiang Mai map pin © Google

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