Sihanoukville monthly weather averages

Average daytime temperature

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

Sihanoukville average temperature chart (Celsius) Sihanoukville average temperature chart (Fahrenheit)
Average monthly temperatures in Sihanoukville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 30.2 30.6 31.9 32.9 32.5 31.2 30.8 30.6 30.5 30.4 30.2 29.9
°F 86.4 87.2 89.4 91.3 90.6 88.1 87.5 87.1 87 86.8 86.3 85.7

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.

Sihanoukville monthly rainfall chart (mm) Sihanoukville monthly rainfall chart (inches)
Average monthly rainfall in Sihanoukville (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 39 42 86 132 230 367 380 516 364 291 194 84
inches 1.6 1.7 3.4 5.2 9.1 14.5 15 20.3 14.3 11.5 7.6 3.3
Rainy days 5 5 6 9 17 19 20 20 21 19 13 8

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Sihanoukville

Sihanoukville average daily sunshine chart
Average daily sunshine Sihanoukville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.2 8.4 8.2 8.1 6.8 5.9 5.7 5.6 5.5 6.3 7.1 7.8

Day / night temperatures

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

Sihanoukville average minimum / maximum temperatures (Celsius) Sihanoukville average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sihanoukville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 21.4 22.4 23.1 23.9 24.3 23.9 23.8 23.9 23.7 23.6 23.1 22
Max °C 30.5 30.9 32.1 33.2 32.8 31.4 31 30.8 30.7 30.6 30.4 30.1
Min °F 70.4 72.2 73.6 74.9 75.7 74.9 74.8 74.9 74.7 74.5 73.5 71.5
Max °F 78.6 79.9 81.7 83.3 83.3 81.7 81.3 81.1 81 80.8 80.1 78.8

Sea temperature

The graph below shows the average sea temperature.

Sihanoukville average sea temperature chart (Celsius) Sihanoukville average sea temperature chart (Fahrenheit)
Average sea temperature around Sihanoukville in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.9 28.2 29 30.1 30.6 30 29.4 29.1 29 29.1 28.9 28.2
°F 82.1 82.7 84.1 86.2 87.1 86.1 84.9 84.4 84.2 84.3 84 82.8

Wind speed

The graph below shows the average wind speed.

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

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.

Sihanoukville relative humidity averages
Average relative humidity in Sihanoukville
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 74% 75% 76% 80% 82% 83% 83% 83% 84% 78% 73%

Other monthly averages

UV index Best time to go?

Sihanoukville weather stats

Sihanoukville weather statistics
Hottest month: April 32.9°C 91.2°F
Driest month: January 39mm 1.5ins
Sunniest month: February 8.4hrs
Coldest month: January 30.2°C 86.4°F
Wettest month: August 516mm 20.3ins
Warmest sea: May 30.6°C 87.1°F
Map showing location of Sihanoukville (10.60932, 103.52958)

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