Oyama monthly weather averages

Average daytime temperature

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

Oyama average temperature chart (Celsius) Oyama average temperature chart (Fahrenheit)
Average monthly temperatures in Oyama (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.5 9 12.2 18.1 22.7 25.1 28.6 30.7 26 20.6 15.7 11.1
°F 47.3 48.3 54 64.6 72.9 77.2 83.4 87.3 78.7 69.1 60.3 51.9

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.

Oyama monthly rainfall chart (mm) Oyama monthly rainfall chart (inches)
Average monthly rainfall in Oyama (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 29 46 71 101 123 180 145 163 184 126 66 33
inches 1.1 1.8 2.8 4 4.9 7.1 5.7 6.4 7.3 5 2.6 1.3
Rainy days 8 10 14 16 16 20 21 17 20 16 11 7

Average annual rainfall in Oyama: 1441.8mm (567.6 inches)

Average daily sunshine

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

Oyama average daily sunshine chart
Average daily sunshine Oyama
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.8 6.3 6.3 6 6.4 4.4 4.6 6 4.1 4.9 5.5 6.4

Day / night temperatures

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

Oyama average minimum / maximum temperatures (Celsius) Oyama average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Oyama (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -2.8 -1.7 1.3 7.4 12.5 17.1 21.1 22.5 18.5 11.6 5.2 -0.4
Max °C 8.8 9.3 12.5 18.4 23 25.3 28.8 30.9 26.2 20.9 16 11.4
Min °F 27 28.9 34.3 45.3 54.4 62.8 69.9 72.5 65.2 52.8 41.4 31.4
Max °F 37.4 38.8 44.4 55.2 63.9 70.2 76.8 80.1 72.1 61.2 51.1 41.9

Sea temperature

The graph below shows the average sea temperature.

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

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

Oyama relative humidity averages
Average relative humidity in Oyama
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
60% 60% 61% 67% 71% 78% 81% 79% 79% 74% 70% 64%

Other monthly averages

UV index Best time to go?

Oyama weather stats

Oyama weather statistics
Hottest month: August 30.7°C 87.3°F
Driest month: January 29mm 1.1ins
Sunniest month: January 6.8hrs
Coldest month: January 8.5°C 47.3°F
Wettest month: September 184mm 7.2ins
Warmest sea: August 26°C 78.8°F
Map showing location of Oyama (36.3, 139.8) Oyama map pin © Google

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