Ōiso monthly weather averages

Contents

Average daytime temperature

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

Ōiso average temperature chart (Celsius) Ōiso average temperature chart (Fahrenheit)
Average monthly temperatures in Ōiso (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.2 10.3 13.1 18.4 22.5 24.9 28.3 30.2 26.3 21.2 17 12.7
°F 50.4 50.5 55.6 65.1 72.5 76.8 83 86.4 79.3 70.2 62.5 54.8

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.

Ōiso monthly rainfall chart (mm) Ōiso monthly rainfall chart (inches)
Average monthly rainfall in Ōiso (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 62 77 133 148 166 239 171 189 214 177 103 57
inches 2.4 3 5.2 5.8 6.5 9.4 6.7 7.5 8.4 7 4.1 2.2
Rainy days 10 12 17 16 15 19 19 16 19 16 12 9

Average annual rainfall in Ōiso: 1911mm (752.4 inches)

Average daily sunshine

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

Ōiso average daily sunshine chart
Average daily sunshine Ōiso
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6 5.6 5.7 5.7 6.3 4.5 5 6.5 4.5 4.6 5.1 5.9

Day / night temperatures

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

Ōiso average minimum / maximum temperatures (Celsius) Ōiso average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ōiso (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.4 1.7 4.3 9.8 14.1 18.2 21.9 23.2 19.8 14 8.9 3.9
Max °C 10.5 10.5 13.3 18.6 22.7 25.1 28.5 30.4 26.5 21.4 17.2 12.9
Min °F 34.4 35.1 39.7 49.6 57.4 64.7 71.4 73.8 67.6 57.2 47.9 39
Max °F 42.6 43 47.8 57.6 65.1 70.9 77.4 80.2 73.6 63.9 55.4 47.1

Sea temperature

The graph below shows the average sea temperature.

Ōiso average sea temperature chart (Celsius) Ōiso average sea temperature chart (Fahrenheit)
Average sea temperature around Ōiso 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.

Ōiso average winspeed by month (km/h) Ōiso average winspeed by month (mph)
Average wind speed in Ōiso (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 11 11 11 11 10 10 9 10 10 10 10 10
mph 7 7 7 7 7 6 6 6 6 6 6 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.

Ōiso relative humidity averages
Average relative humidity in Ōiso
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
58% 60% 63% 70% 72% 79% 81% 79% 79% 74% 69% 62%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Ōiso weather stats

Ōiso weather statistics
Hottest month: August 30.2°C 86.4°F
Driest month: December 57mm 2.2ins
Sunniest month: December 5.9hrs
Coldest month: January 10.2°C 50.4°F
Wettest month: June 239mm 9.4ins
Warmest sea: August 26.3°C 79.3°F
Map showing location of Ōiso (35.30306, 139.30278) Ōiso map pin © Google

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