Suwa monthly weather averages

Contents

Average daytime temperature

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

Suwa average temperature chart (Celsius) Suwa average temperature chart (Fahrenheit)
Average monthly temperatures in Suwa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 0.9 1.5 5.6 13.2 18.2 21 24.6 26.1 21 15.1 9.8 4
°F 33.5 34.7 42.1 55.8 64.7 69.7 76.3 78.9 69.9 59.1 49.7 39.1

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.

Suwa monthly rainfall chart (mm) Suwa monthly rainfall chart (inches)
Average monthly rainfall in Suwa (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 34 54 84 114 124 213 218 165 198 114 63 29
inches 1.4 2.1 3.3 4.5 4.9 8.4 8.6 6.5 7.8 4.5 2.5 1.1
Rainy days 18 17 17 16 16 20 22 19 19 14 14 16

Average annual rainfall in Suwa: 1583.266mm (623.3 inches)

Average daily sunshine

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

Suwa average daily sunshine chart
Average daily sunshine Suwa
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 5.8 6.2 6.3 6.8 4.9 5 5.9 4.4 4.9 5.3 5.5

Day / night temperatures

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

Suwa average minimum / maximum temperatures (Celsius) Suwa average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Suwa (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -9.3 -9 -5.5 1.1 6.2 11.6 16 16.7 12.6 5.1 -0.9 -6.2
Max °C 1.1 1.8 5.9 13.5 18.5 21.2 24.9 26.3 21.3 15.3 10.1 4.2
Min °F 15.3 15.9 22.1 34 43.1 52.9 60.7 62.1 54.6 41.2 30.4 20.8
Max °F 24.6 25.5 32.4 45.1 54.1 61.5 68.7 70.7 62.4 50.4 40.3 30.2

Sea temperature

The graph below shows the average sea temperature.

Suwa average sea temperature chart (Celsius) Suwa average sea temperature chart (Fahrenheit)
Average sea temperature around Suwa in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 13 11.5 11.4 12.7 15.6 19.3 22.8 25.7 24.5 21.5 18.6 15.6
°F 55.4 52.6 52.6 54.9 60 66.8 73 78.2 76.1 70.7 65.4 60.2

Wind speed

The graph below shows the average wind speed.

Suwa average winspeed by month (km/h) Suwa average winspeed by month (mph)
Average wind speed in Suwa (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 12 12 13 13 12 10 9 9 9 10 10 11
mph 8 8 8 8 7 6 6 6 6 6 7 7

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.

Suwa relative humidity averages
Average relative humidity in Suwa
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 73% 71% 69% 70% 79% 82% 80% 82% 79% 76% 73%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Suwa weather stats

Suwa weather statistics
Hottest month: August 26.1°C 79°F
Driest month: December 29mm 1.1ins
Sunniest month: January 5.7hrs
Coldest month: January 0.9°C 33.6°F
Wettest month: July 218mm 8.6ins
Warmest sea: August 25.7°C 78.3°F
Map showing location of Suwa (36.03799, 138.11308) Suwa map pin © Google

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