Ko Yao monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Ko Yao

Ko Yao average temperature chart (Celsius) Ko Yao average temperature chart (Fahrenheit)
Average monthly temperatures in Ko Yao (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 31.3 32.6 33.2 33 31.6 31.2 30.8 30.7 30.2 30.4 30.3 30.6
°F 88.4 90.6 91.8 91.5 88.8 88.1 87.4 87.3 86.3 86.7 86.5 87.1

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.

Ko Yao monthly rainfall chart (mm) Ko Yao monthly rainfall chart (inches)
Average monthly rainfall in Ko Yao (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 43 25 54 133 324 275 284 270 390 335 211 79
inches 1.7 1 2.1 5.2 12.7 10.8 11.2 10.6 15.3 13.2 8.3 3.1
Rainy days 5 3 5 11 21 20 20 20 23 22 16 9

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Ko Yao

Ko Yao average daily sunshine chart
Average daily sunshine Ko Yao
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 9.4 9.9 9.2 8.4 6.6 5.7 6.2 6.2 5.6 6.2 6.9 8.1

Day / night temperatures

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

Ko Yao average minimum / maximum temperatures (Celsius) Ko Yao average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ko Yao (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 22.3 22.6 23.2 24 24.3 24.5 24.1 24.3 23.7 23.5 23.2 22.8
Max °C 31.6 32.8 33.5 33.3 31.8 31.4 31 30.9 30.4 30.6 30.5 30.8
Min °F 72.1 72.7 73.7 75.1 75.7 76 75.3 75.7 74.6 74.2 73.7 73
Max °F 80.4 81.9 82.9 83.5 82.4 82.2 81.5 81.7 80.6 80.6 80.2 80.2

Sea temperature

The graph below shows the average sea temperature.

Ko Yao average sea temperature chart (Celsius) Ko Yao average sea temperature chart (Fahrenheit)
Average sea temperature around Ko Yao in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 28.2 28.5 29.2 30 30.2 29.8 29.5 29.2 29.1 29 28.9 28.5
°F 82.8 83.4 84.6 86 86.3 85.6 85 84.6 84.4 84.1 84 83.3

Wind speed

The graph below shows the average wind speed.

Ko Yao average winspeed by month (km/h) Ko Yao average winspeed by month (mph)
Average wind speed in Ko Yao (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 8 7 7 5 6 9 8 9 8 5 5 8
mph 5 5 4 3 4 5 5 6 5 3 3 5

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.

Ko Yao relative humidity averages
Average relative humidity in Ko Yao
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 71% 72% 76% 82% 81% 81% 81% 84% 84% 82% 77%

Other monthly averages

UV index Best time to go?

Ko Yao weather stats

Ko Yao weather statistics
Hottest month: April 33°C 91.4°F
Driest month: February 25mm 1ins
Sunniest month: February 9.9hrs
Coldest month: November 30.3°C 86.5°F
Wettest month: September 390mm 15.4ins
Warmest sea: May 30.2°C 86.4°F
Map showing location of Ko Yao (8.11014, 98.59231)

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