Ōmachi monthly weather averages

Contents

Average daytime temperature

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

Ōmachi average temperature chart (Celsius) Ōmachi average temperature chart (Fahrenheit)
Average monthly temperatures in Ōmachi (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.9 3.8 8 16 21.2 24 27.7 29.2 23.8 17.5 11.9 6.1
°F 37.3 38.8 46.4 60.8 70.2 75.1 81.8 84.6 74.9 63.5 53.5 42.9

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.

Ōmachi monthly rainfall chart (mm) Ōmachi monthly rainfall chart (inches)
Average monthly rainfall in Ōmachi (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 65 65 82 97 104 183 197 124 177 98 72 58
inches 2.6 2.6 3.2 3.8 4.1 7.2 7.8 4.9 7 3.9 2.8 2.3
Rainy days 22 20 19 16 16 19 21 18 19 15 16 19

Average annual rainfall in Ōmachi: 1495.034mm (588.6 inches)

Average daily sunshine

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

Ōmachi average daily sunshine chart
Average daily sunshine Ōmachi
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5 5.3 6 6.5 7 5.3 5.4 6.4 4.6 5 5 4.9

Day / night temperatures

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

Ōmachi average minimum / maximum temperatures (Celsius) Ōmachi average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ōmachi (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.6 -6.2 -3.3 3.3 8.7 14 18.5 19.4 15 7.3 1.2 -3.7
Max °C 3.2 4 8.3 16.3 21.6 24.2 27.9 29.5 24.1 17.8 12.2 6.3
Min °F 20.2 20.8 26.2 37.9 47.6 57.2 65.3 66.8 58.9 45.1 34.2 25.3
Max °F 28.9 30 36.5 49.6 59.2 66.4 73.8 75.9 67.1 54.5 44.1 34.3

Sea temperature

The graph below shows the average sea temperature.

Ōmachi average sea temperature chart (Celsius) Ōmachi average sea temperature chart (Fahrenheit)
Average sea temperature around Ōmachi in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.2 10.7 10.6 11.8 14.8 18.9 22.6 25.8 24.5 21.3 18.2 15
°F 54 51.3 51.2 53.3 58.6 66 72.7 78.5 76.1 70.4 64.7 59.1

Wind speed

The graph below shows the average wind speed.

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

Ōmachi relative humidity averages
Average relative humidity in Ōmachi
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 72% 69% 65% 66% 74% 78% 75% 78% 77% 75% 74%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Ōmachi weather stats

Ōmachi weather statistics
Hottest month: August 29.2°C 84.6°F
Driest month: December 58mm 2.3ins
Sunniest month: March 6hrs
Coldest month: January 2.9°C 37.2°F
Wettest month: July 197mm 7.8ins
Warmest sea: August 25.8°C 78.4°F
Map showing location of Ōmachi (36.5, 137.86667) Ōmachi map pin © Google

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