Isawa monthly weather averages

Contents

Average daytime temperature

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

Isawa average temperature chart (Celsius) Isawa average temperature chart (Fahrenheit)
Average monthly temperatures in Isawa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.1 8 11.7 18.1 22.4 24.8 28.4 29.9 25.5 19.8 15 9.7
°F 44.7 46.4 53.1 64.6 72.4 76.6 83.1 85.9 77.9 67.6 58.9 49.4

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.

Isawa monthly rainfall chart (mm) Isawa monthly rainfall chart (inches)
Average monthly rainfall in Isawa (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 34 51 85 103 109 178 151 182 178 116 59 28
inches 1.3 2 3.4 4.1 4.3 7 5.9 7.2 7 4.5 2.3 1.1
Rainy days 9 11 14 15 15 19 21 17 18 14 10 8

Average annual rainfall in Isawa: 1446.766mm (569.6 inches)

Average daily sunshine

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

Isawa average daily sunshine chart
Average daily sunshine Isawa
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.8 6.5 6.5 6.2 6.6 4.7 5 6.2 4.5 5 5.8 6.6

Day / night temperatures

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

Isawa average minimum / maximum temperatures (Celsius) Isawa average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Isawa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4.8 -3.5 0 6.4 10.9 15.8 20 20.7 16.9 9.8 3.6 -2.4
Max °C 7.4 8.3 12 18.4 22.7 25 28.6 30.2 25.7 20 15.3 10
Min °F 23.5 25.7 32 43.5 51.6 60.4 68 69.2 62.4 49.6 38.4 27.8
Max °F 34.3 36.3 42.8 54.3 62.2 68.7 75.7 77.7 70.3 58.8 48.9 38.8

Sea temperature

The graph below shows the average sea temperature.

Isawa average sea temperature chart (Celsius) Isawa average sea temperature chart (Fahrenheit)
Average sea temperature around Isawa in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.8 15.9 16.1 17.4 19.8 22.3 24.9 26.8 25.8 23.3 21.2 18.8
°F 62.3 60.5 60.9 63.2 67.6 72.2 76.8 80.3 78.4 73.9 70.1 65.9

Wind speed

The graph below shows the average wind speed.

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

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.

Isawa relative humidity averages
Average relative humidity in Isawa
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
61% 62% 62% 67% 69% 76% 79% 77% 79% 77% 71% 66%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Isawa weather stats

Isawa weather statistics
Hottest month: August 29.9°C 85.8°F
Driest month: December 28mm 1.1ins
Sunniest month: January 6.8hrs
Coldest month: January 7.1°C 44.8°F
Wettest month: August 182mm 7.2ins
Warmest sea: August 26.8°C 80.2°F
Map showing location of Isawa (35.65, 138.63333) Isawa map pin © Google

Locations nearby

Top Japan locations