Ōkawa monthly weather averages

Average daytime temperature

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

Ōkawa average temperature chart (Celsius) Ōkawa average temperature chart (Fahrenheit)
Average monthly temperatures in Ōkawa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.3 10.4 14.4 20.2 24.5 27.3 30.9 32.2 28.4 23.1 17.5 11.8
°F 48.7 50.8 57.9 68.3 76.1 81.1 87.7 90 83.1 73.5 63.4 53.2

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.

Ōkawa monthly rainfall chart (mm) Ōkawa monthly rainfall chart (inches)
Average monthly rainfall in Ōkawa (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 67 76 113 161 182 314 335 176 176 94 72 49
inches 2.6 3 4.5 6.3 7.2 12.4 13.2 6.9 6.9 3.7 2.8 1.9
Rainy days 19 18 18 16 15 18 19 16 17 12 14 17

Average annual rainfall in Ōkawa: 1979.367mm (779.3 inches)

Average daily sunshine

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

Ōkawa average daily sunshine chart
Average daily sunshine Ōkawa
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.9 4.4 5.4 5.8 6.3 5.1 6 7.1 5.7 6 5 4.1

Day / night temperatures

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

Ōkawa average minimum / maximum temperatures (Celsius) Ōkawa average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ōkawa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.4 2.2 4.8 10 14.5 19.1 23.9 24.2 20 13.3 7.9 3.2
Max °C 9.5 10.7 14.6 20.4 24.8 27.5 31.1 32.4 28.6 23.3 17.7 12
Min °F 34.4 35.9 40.6 50 58 66.4 75 75.6 68 55.9 46.2 37.8
Max °F 41.7 43.5 49.5 59.4 67.3 73.9 81.5 82.9 75.7 64.9 55 45.7

Sea temperature

The graph below shows the average sea temperature.

Ōkawa average sea temperature chart (Celsius) Ōkawa average sea temperature chart (Fahrenheit)
Average sea temperature around Ōkawa in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 17.2 16.1 16.3 17.3 19.3 22 25.3 27.7 26.4 24.1 21.9 19.4
°F 63 61.1 61.3 63.1 66.8 71.7 77.6 81.8 79.5 75.3 71.4 67

Wind speed

The graph below shows the average wind speed.

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

Ōkawa relative humidity averages
Average relative humidity in Ōkawa
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
71% 70% 69% 70% 72% 77% 79% 77% 76% 73% 73% 73%

Other monthly averages

UV index Best time to go?

Ōkawa weather stats

Ōkawa weather statistics
Hottest month: August 32.2°C 90°F
Driest month: December 49mm 1.9ins
Sunniest month: August 7.1hrs
Coldest month: January 9.3°C 48.7°F
Wettest month: July 335mm 13.2ins
Warmest sea: August 27.7°C 81.9°F
Map showing location of Ōkawa (33.2, 130.35) Ōkawa map pin © Google

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