Iwakuni monthly weather averages

Contents

Average daytime temperature

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

Iwakuni average temperature chart (Celsius) Iwakuni average temperature chart (Fahrenheit)
Average monthly temperatures in Iwakuni (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.1 8.6 11.9 17.3 21.7 24.7 28.9 30.3 26.5 21.3 16 10.9
°F 46.5 47.4 53.4 63.2 71.1 76.4 84 86.5 79.6 70.4 60.8 51.6

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.

Iwakuni monthly rainfall chart (mm) Iwakuni monthly rainfall chart (inches)
Average monthly rainfall in Iwakuni (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 57 72 117 171 163 280 241 137 182 104 73 43
inches 2.2 2.9 4.6 6.7 6.4 11 9.5 5.4 7.2 4.1 2.9 1.7
Rainy days 18 17 17 15 14 17 17 14 16 12 13 16

Average annual rainfall in Iwakuni: 1806.533mm (711.2 inches)

Average daily sunshine

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

Iwakuni average daily sunshine chart
Average daily sunshine Iwakuni
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.3 4.7 5.7 6.2 6.7 5.4 6.3 7.2 5.6 6 5.1 4.4

Day / night temperatures

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

Iwakuni average minimum / maximum temperatures (Celsius) Iwakuni average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Iwakuni (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.6 0.9 3.3 8.7 13.3 17.8 22.4 23.2 19.2 12.9 7.4 2.7
Max °C 8.3 8.8 12.1 17.6 22 24.9 29.1 30.5 26.7 21.6 16.2 11.1
Min °F 33 33.5 37.9 47.6 55.9 64 72.2 73.7 66.5 55.1 45.3 36.9
Max °F 39.9 40.6 45.9 55.6 63.7 70.3 78.3 80.2 73.2 63 53.2 44.4

Sea temperature

The graph below shows the average sea temperature.

Iwakuni average sea temperature chart (Celsius) Iwakuni average sea temperature chart (Fahrenheit)
Average sea temperature around Iwakuni in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.1 14.9 14.8 15.9 18.3 21.5 24.8 27.1 25.9 23.3 20.9 18.3
°F 60.9 58.7 58.6 60.7 65 70.7 76.6 80.8 78.6 73.9 69.6 64.9

Wind speed

The graph below shows the average wind speed.

Iwakuni average winspeed by month (km/h) Iwakuni average winspeed by month (mph)
Average wind speed in Iwakuni (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 10 9 9 8 7 7 8 8 8 9 10
mph 6 6 6 5 5 5 5 5 5 5 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.

Iwakuni relative humidity averages
Average relative humidity in Iwakuni
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
68% 68% 68% 70% 72% 78% 79% 77% 76% 72% 71% 70%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Iwakuni weather stats

Iwakuni weather statistics
Hottest month: August 30.3°C 86.5°F
Driest month: December 43mm 1.7ins
Sunniest month: August 7.2hrs
Coldest month: January 8.1°C 46.6°F
Wettest month: June 280mm 11ins
Warmest sea: August 27.1°C 80.8°F
Map showing location of Iwakuni (34.15, 132.18333) Iwakuni map pin © Google

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