Shiojiri monthly weather averages

Contents

Average daytime temperature

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

Shiojiri average temperature chart (Celsius) Shiojiri average temperature chart (Fahrenheit)
Average monthly temperatures in Shiojiri (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1.9 2.5 6.8 14.5 19.6 22.4 26 27.4 22.4 16.3 10.8 5
°F 35.3 36.6 44.2 58.1 67.2 72.3 78.9 81.3 72.3 61.3 51.5 41

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.

Shiojiri monthly rainfall chart (mm) Shiojiri monthly rainfall chart (inches)
Average monthly rainfall in Shiojiri (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 42 59 89 117 122 213 221 147 197 108 67 36
inches 1.6 2.3 3.5 4.6 4.8 8.4 8.7 5.8 7.7 4.3 2.6 1.4
Rainy days 19 17 18 16 15 19 22 19 18 14 14 17

Average annual rainfall in Shiojiri: 1590.7mm (626.3 inches)

Average daily sunshine

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

Shiojiri average daily sunshine chart
Average daily sunshine Shiojiri
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.5 5.7 6.2 6.4 6.9 5.1 5.2 6.1 4.5 5 5.2 5.3

Day / night temperatures

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

Shiojiri average minimum / maximum temperatures (Celsius) Shiojiri average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Shiojiri (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -8.1 -7.8 -4.5 2.2 7.4 12.8 17.2 17.8 13.6 6.1 0.1 -5.1
Max °C 2.1 2.8 7.1 14.8 19.9 22.6 26.3 27.7 22.6 16.5 11.1 5.3
Min °F 17.4 18 24 36 45.2 55 62.9 64 56.5 43 32.2 22.9
Max °F 26.6 27.5 34.3 47.3 56.5 63.9 71.1 72.9 64.6 52.3 42.1 32.2

Sea temperature

The graph below shows the average sea temperature.

Shiojiri average sea temperature chart (Celsius) Shiojiri average sea temperature chart (Fahrenheit)
Average sea temperature around Shiojiri 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.

Shiojiri average winspeed by month (km/h) Shiojiri average winspeed by month (mph)
Average wind speed in Shiojiri (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 11 12 12 11 9 9 9 9 9 10 10
mph 7 7 7 7 7 6 5 5 5 5 6 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.

Shiojiri relative humidity averages
Average relative humidity in Shiojiri
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 73% 70% 68% 68% 77% 80% 78% 81% 79% 76% 74%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Shiojiri weather stats

Shiojiri weather statistics
Hottest month: August 27.4°C 81.3°F
Driest month: December 36mm 1.4ins
Sunniest month: January 5.5hrs
Coldest month: January 1.9°C 35.4°F
Wettest month: July 221mm 8.7ins
Warmest sea: August 25.8°C 78.4°F
Map showing location of Shiojiri (36.1, 137.96667) Shiojiri map pin © Google

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