Koshigaya monthly weather averages

Average daytime temperature

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

Koshigaya average temperature chart (Celsius) Koshigaya average temperature chart (Fahrenheit)
Average monthly temperatures in Koshigaya (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.2 9.5 12.5 18.2 22.7 25.2 28.6 30.7 26.2 20.9 16.2 11.6
°F 48.5 49.1 54.5 64.8 72.9 77.3 83.5 87.3 79.2 69.6 61.2 52.8

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.

Koshigaya monthly rainfall chart (mm) Koshigaya monthly rainfall chart (inches)
Average monthly rainfall in Koshigaya (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 37 53 84 110 127 177 131 150 179 147 76 39
inches 1.4 2.1 3.3 4.3 5 7 5.1 5.9 7 5.8 3 1.5
Rainy days 8 10 15 16 16 20 19 16 19 16 12 8

Average annual rainfall in Koshigaya: 1484.367mm (584.4 inches)

Average daily sunshine

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

Koshigaya average daily sunshine chart
Average daily sunshine Koshigaya
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.6 6.1 6 5.8 6.3 4.4 4.7 6.1 4.1 4.7 5.3 6.3

Day / night temperatures

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

Koshigaya average minimum / maximum temperatures (Celsius) Koshigaya average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Koshigaya (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -1 -0.2 2.7 8.6 13.5 17.9 21.6 23.1 19.2 12.7 6.8 1.4
Max °C 9.4 9.8 12.8 18.5 23 25.4 28.8 30.9 26.4 21.1 16.5 11.8
Min °F 30.2 31.7 36.8 47.4 56.2 64.1 70.9 73.6 66.6 54.9 44.2 34.5
Max °F 39.6 40.6 45.9 56.3 64.8 70.9 77.4 80.6 73 62.4 52.9 43.9

Sea temperature

The graph below shows the average sea temperature.

Koshigaya average sea temperature chart (Celsius) Koshigaya average sea temperature chart (Fahrenheit)
Average sea temperature around Koshigaya in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.7 15.7 15.9 17.3 19.9 22.2 24.5 26.3 25.3 22.9 20.9 18.6
°F 62.1 60.3 60.6 63.1 67.8 72 76.1 79.4 77.6 73.2 69.6 65.5

Wind speed

The graph below shows the average wind speed.

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

Koshigaya relative humidity averages
Average relative humidity in Koshigaya
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
56% 57% 60% 67% 70% 77% 80% 77% 78% 73% 67% 61%

Other monthly averages

UV index Best time to go?

Koshigaya weather stats

Koshigaya weather statistics
Hottest month: August 30.7°C 87.3°F
Driest month: January 37mm 1.5ins
Sunniest month: January 6.6hrs
Coldest month: January 9.2°C 48.6°F
Wettest month: September 179mm 7ins
Warmest sea: August 26.3°C 79.3°F
Map showing location of Koshigaya (35.88333, 139.78333) Koshigaya map pin © Google

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