Ōmama monthly weather averages

Contents

Average daytime temperature

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

Ōmama average temperature chart (Celsius) Ōmama average temperature chart (Fahrenheit)
Average monthly temperatures in Ōmama (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.5 7.9 11.2 17.5 22.3 24.7 28.1 30.1 25.2 19.8 14.9 10.1
°F 45.6 46.2 52.1 63.6 72.2 76.5 82.6 86.2 77.3 67.7 58.8 50.2

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.

Ōmama monthly rainfall chart (mm) Ōmama monthly rainfall chart (inches)
Average monthly rainfall in Ōmama (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 30 41 56 83 103 173 168 189 196 110 56 29
inches 1.2 1.6 2.2 3.3 4.1 6.8 6.6 7.4 7.7 4.3 2.2 1.1
Rainy days 10 12 15 16 16 21 22 19 20 15 11 9

Average annual rainfall in Ōmama: 1409.067mm (554.8 inches)

Average daily sunshine

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

Ōmama average daily sunshine chart
Average daily sunshine Ōmama
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.7 6.4 6.5 6.2 6.6 4.5 4.6 5.8 4.1 5 5.7 6.4

Day / night temperatures

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

Ōmama average minimum / maximum temperatures (Celsius) Ōmama average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ōmama (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -3.4 -2.6 0.4 6.4 11.4 16.3 20.1 21.5 17.5 10.6 4.5 -0.8
Max °C 7.8 8.2 11.5 17.8 22.6 25 28.3 30.3 25.4 20.1 15.2 10.4
Min °F 25.9 27.4 32.6 43.5 52.5 61.3 68.2 70.7 63.4 51 40 30.6
Max °F 36 37 42.6 53.8 62.6 69.1 75.6 78.6 70.5 59.5 49.6 40.6

Sea temperature

The graph below shows the average sea temperature.

Ōmama average sea temperature chart (Celsius) Ōmama average sea temperature chart (Fahrenheit)
Average sea temperature around Ōmama in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.5 14.2 14.3 15.8 18.5 21.2 23.7 26 25 22.4 20.2 17.7
°F 59.9 57.6 57.8 60.5 65.2 70.2 74.7 78.8 77 72.4 68.3 63.9

Wind speed

The graph below shows the average wind speed.

Ōmama average winspeed by month (km/h) Ōmama average winspeed by month (mph)
Average wind speed in Ōmama (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 9 9 10 9 8 7 7 7 6 7 8 9
mph 6 6 6 6 5 4 4 4 4 4 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.

Ōmama relative humidity averages
Average relative humidity in Ōmama
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
60% 60% 60% 64% 68% 77% 81% 78% 80% 74% 68% 63%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Ōmama weather stats

Ōmama weather statistics
Hottest month: August 30.1°C 86.2°F
Driest month: December 29mm 1.1ins
Sunniest month: January 6.7hrs
Coldest month: January 7.5°C 45.5°F
Wettest month: September 196mm 7.7ins
Warmest sea: August 26°C 78.8°F
Map showing location of Ōmama (36.43333, 139.28333) Ōmama map pin © Google

Locations nearby

Top Japan locations