Ōtawara monthly weather averages

Average daytime temperature

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

Ōtawara average temperature chart (Celsius) Ōtawara average temperature chart (Fahrenheit)
Average monthly temperatures in Ōtawara (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.4 5.8 9.3 16.1 20.9 23.4 27 28.9 24.2 18.6 13.4 8.2
°F 41.7 42.4 48.7 61 69.7 74.2 80.5 84 75.6 65.5 56.1 46.8

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.

Ōtawara monthly rainfall chart (mm) Ōtawara monthly rainfall chart (inches)
Average monthly rainfall in Ōtawara (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 38 50 72 101 120 180 163 189 190 117 67 40
inches 1.5 2 2.9 4 4.7 7.1 6.4 7.4 7.5 4.6 2.6 1.6
Rainy days 18 17 19 17 17 21 22 20 20 17 15 15

Average annual rainfall in Ōtawara: 1502mm (591.3 inches)

Average daily sunshine

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

Ōtawara average daily sunshine chart
Average daily sunshine Ōtawara
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.9 5.9 6.2 6.2 6.6 4.7 4.7 5.8 4.1 4.9 5.2 5.6

Day / night temperatures

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

Ōtawara average minimum / maximum temperatures (Celsius) Ōtawara average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ōtawara (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.5 -3.8 -0.9 5 10.2 15.2 19.3 20.5 16.2 9.2 3.2 -2.1
Max °C 5.7 6 9.5 16.4 21.2 23.7 27.2 29.1 24.4 18.9 13.7 8.5
Min °F 24 25.2 30.4 41 50.4 59.3 66.7 68.9 61.2 48.5 37.7 28.3
Max °F 33.1 34 39.7 51.3 60.3 66.9 73.8 76.6 68.5 57.2 47.1 37.8

Sea temperature

The graph below shows the average sea temperature.

Ōtawara average sea temperature chart (Celsius) Ōtawara average sea temperature chart (Fahrenheit)
Average sea temperature around Ōtawara in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.9 14.7 14.7 16.3 18.9 21.4 23.6 25.9 25 22.6 20.5 18.1
°F 60.7 58.4 58.5 61.4 66.1 70.6 74.5 78.6 77 72.6 68.9 64.6

Wind speed

The graph below shows the average wind speed.

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

Ōtawara relative humidity averages
Average relative humidity in Ōtawara
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
68% 67% 66% 67% 71% 79% 83% 81% 81% 77% 74% 70%

Other monthly averages

UV index Best time to go?

Ōtawara weather stats

Ōtawara weather statistics
Hottest month: August 28.9°C 84°F
Driest month: January 38mm 1.5ins
Sunniest month: January 5.9hrs
Coldest month: January 5.4°C 41.7°F
Wettest month: September 190mm 7.5ins
Warmest sea: August 25.9°C 78.6°F
Map showing location of Ōtawara (36.86667, 140.03333) Ōtawara map pin © Google

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