Ōmihachiman monthly weather averages

Contents

Average daytime temperature

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

Ōmihachiman average temperature chart (Celsius) Ōmihachiman average temperature chart (Fahrenheit)
Average monthly temperatures in Ōmihachiman (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.9 7.4 10.9 17.6 22.4 25.6 29.6 31.2 26.8 20.8 15.3 9.7
°F 44.5 45.3 51.7 63.7 72.3 78 85.2 88.2 80.2 69.4 59.5 49.5

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.

Ōmihachiman monthly rainfall chart (mm) Ōmihachiman monthly rainfall chart (inches)
Average monthly rainfall in Ōmihachiman (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 81 83 110 133 138 223 213 121 179 111 76 68
inches 3.2 3.3 4.3 5.3 5.4 8.8 8.4 4.8 7 4.4 3 2.7
Rainy days 22 21 21 16 15 18 19 17 18 15 16 19

Average annual rainfall in Ōmihachiman: 1707.466mm (672.2 inches)

Average daily sunshine

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

Ōmihachiman average daily sunshine chart
Average daily sunshine Ōmihachiman
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.9 4.2 5.3 5.9 6.6 5.1 5.6 6.6 4.9 5.3 4.7 4.2

Day / night temperatures

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

Ōmihachiman average minimum / maximum temperatures (Celsius) Ōmihachiman average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ōmihachiman (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0.5 -0.2 1.9 7.6 12.4 17.5 21.9 22.8 18.7 11.8 6.3 1.5
Max °C 7.1 7.6 11.2 17.9 22.7 25.8 29.8 31.5 27 21 15.5 9.9
Min °F 31.1 31.6 35.3 45.6 54.2 63.4 71.3 73 65.6 53.2 43.3 34.7
Max °F 37.9 38.7 43.7 54.9 63.5 70.9 78.4 80.8 73 61.5 51.6 42.3

Sea temperature

The graph below shows the average sea temperature.

Ōmihachiman average sea temperature chart (Celsius) Ōmihachiman average sea temperature chart (Fahrenheit)
Average sea temperature around Ōmihachiman in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.8 13.7 13.6 14.8 17.6 21 24.4 27 25.7 22.8 20 17.2
°F 58.7 56.6 56.5 58.7 63.7 69.9 76 80.5 78.2 73 68.1 63

Wind speed

The graph below shows the average wind speed.

Ōmihachiman average winspeed by month (km/h) Ōmihachiman average winspeed by month (mph)
Average wind speed in Ōmihachiman (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 11 10 10 9 8 8 9 8 8 9 9
mph 7 7 7 6 6 5 5 5 5 5 5 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.

Ōmihachiman relative humidity averages
Average relative humidity in Ōmihachiman
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 72% 70% 70% 71% 76% 78% 75% 77% 75% 74% 74%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Ōmihachiman weather stats

Ōmihachiman weather statistics
Hottest month: August 31.2°C 88.2°F
Driest month: December 68mm 2.7ins
Sunniest month: August 6.6hrs
Coldest month: January 6.9°C 44.4°F
Wettest month: June 223mm 8.8ins
Warmest sea: August 27°C 80.6°F
Map showing location of Ōmihachiman (35.12861, 136.0976) Ōmihachiman map pin © Google

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