Akiruno monthly weather averages

Average daytime temperature

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

Akiruno average temperature chart (Celsius) Akiruno average temperature chart (Fahrenheit)
Average monthly temperatures in Akiruno (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.9 8.3 11.5 17.4 21.9 24.2 27.8 29.6 24.9 19.6 15 10.5
°F 46.3 46.9 52.8 63.3 71.4 75.6 82.1 85.4 76.8 67.2 59 50.9

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.

Akiruno monthly rainfall chart (mm) Akiruno monthly rainfall chart (inches)
Average monthly rainfall in Akiruno (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 32 46 79 102 128 187 154 203 204 151 65 32
inches 1.3 1.8 3.1 4 5 7.3 6.1 8 8 6 2.6 1.2
Rainy days 7 10 14 15 15 20 20 17 19 15 10 7

Average annual rainfall in Akiruno: 1556.9mm (613 inches)

Average daily sunshine

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

Akiruno average daily sunshine chart
Average daily sunshine Akiruno
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.8 6.3 6.2 5.9 6.4 4.4 4.7 5.9 4.1 4.7 5.6 6.5

Day / night temperatures

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

Akiruno average minimum / maximum temperatures (Celsius) Akiruno average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Akiruno (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -3.6 -2.6 0.6 6.8 11.5 16.2 20.2 21.4 17.4 10.6 4.6 -1
Max °C 8.2 8.6 11.8 17.7 22.2 24.4 28 29.9 25.1 19.8 15.3 10.8
Min °F 25.5 27.4 33.1 44.2 52.6 61.2 68.4 70.4 63.2 51.1 40.2 30.2
Max °F 36.1 37.4 43.2 54 62.2 68.5 75.4 78.1 70.2 59.4 49.8 40.8

Sea temperature

The graph below shows the average sea temperature.

Akiruno average sea temperature chart (Celsius) Akiruno average sea temperature chart (Fahrenheit)
Average sea temperature around Akiruno in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.7 15.7 15.9 17.3 19.9 22.2 24.5 26.3 25.3 22.9 20.9 18.6
°F 62.1 60.3 60.6 63.1 67.8 72 76.1 79.4 77.6 73.2 69.6 65.5

Wind speed

The graph below shows the average wind speed.

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

Akiruno relative humidity averages
Average relative humidity in Akiruno
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
59% 60% 62% 67% 70% 78% 81% 78% 80% 76% 70% 63%

Other monthly averages

UV index Best time to go?

Akiruno weather stats

Akiruno weather statistics
Hottest month: August 29.6°C 85.3°F
Driest month: December 32mm 1.3ins
Sunniest month: January 6.8hrs
Coldest month: January 7.9°C 46.2°F
Wettest month: September 204mm 8ins
Warmest sea: August 26.3°C 79.3°F
Map showing location of Akiruno (35.72878, 139.29415) Akiruno map pin © Google

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