Mae Sai monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Mae Sai

Mae Sai average temperature chart (Celsius) Mae Sai average temperature chart (Fahrenheit)
Average monthly temperatures in Mae Sai (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.2 30.2 33 34.3 33 31.4 30.6 30.4 30.5 29.7 27.9 26
°F 80.9 86.4 91.4 93.7 91.5 88.6 87.1 86.7 86.9 85.4 82.3 78.8

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.

Mae Sai monthly rainfall chart (mm) Mae Sai monthly rainfall chart (inches)
Average monthly rainfall in Mae Sai (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 15 8 20 73 186 204 276 342 224 128 59 22
inches 0.6 0.3 0.8 2.9 7.3 8 10.9 13.5 8.8 5 2.3 0.9
Rainy days 2 2 3 10 17 19 22 24 18 12 6 3

Average annual rainfall in Mae Sai: 1678.534mm (660.8 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Mae Sai

Mae Sai average daily sunshine chart
Average daily sunshine Mae Sai
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.6 9.4 8.3 8.6 7.5 5.3 4.6 5 5.9 6.8 7.3 7.7

Day / night temperatures

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

Mae Sai average minimum / maximum temperatures (Celsius) Mae Sai average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Mae Sai (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 11.7 12.6 15.6 19.6 22.1 23 22.8 22.6 21.9 20.1 16.8 12.7
Max °C 27.6 30.7 33.4 34.7 33.3 31.7 30.8 30.6 30.7 29.9 28.2 26.4
Min °F 53 54.6 60.1 67.2 71.8 73.3 73 72.7 71.4 68.2 62.2 54.8
Max °F 67.3 70.9 76.1 80.8 81.9 81.1 80.2 79.9 79.3 77 72.5 67.1

Sea temperature

The graph below shows the average sea temperature.

Mae Sai average sea temperature chart (Celsius) Mae Sai average sea temperature chart (Fahrenheit)
Average sea temperature around Mae Sai in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 23 23 24.4 26.4 28.5 29.4 29.4 29.3 29.1 28.6 26.9 24.5
°F 73.5 73.4 75.9 79.6 83.3 85 84.9 84.7 84.4 83.4 80.4 76.1

Wind speed

The graph below shows the average wind speed.

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

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.

Mae Sai relative humidity averages
Average relative humidity in Mae Sai
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
75% 66% 59% 61% 72% 80% 82% 84% 83% 83% 81% 79%

Other monthly averages

UV index Best time to go?

Mae Sai weather stats

Mae Sai weather statistics
Hottest month: May 33°C 91.4°F
Driest month: February 8mm 0.3ins
Sunniest month: February 9.4hrs
Coldest month: December 26°C 78.8°F
Wettest month: August 342mm 13.5ins
Warmest sea: June 29.4°C 84.9°F
Map showing location of Mae Sai (20.43353, 99.87617) Mae Sai map pin © Google

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