Yotsukaidō monthly weather averages

Contents

Average daytime temperature

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

Yotsukaidō average temperature chart (Celsius) Yotsukaidō average temperature chart (Fahrenheit)
Average monthly temperatures in Yotsukaidō (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.5 9.5 12.2 17.3 21.4 23.7 27 29.2 25.8 20.9 16.4 12
°F 49.1 49.2 54 63.1 70.5 74.7 80.6 84.6 78.4 69.6 61.5 53.6

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.

Yotsukaidō monthly rainfall chart (mm) Yotsukaidō monthly rainfall chart (inches)
Average monthly rainfall in Yotsukaidō (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 57 78 114 121 123 163 110 127 185 184 104 56
inches 2.2 3.1 4.5 4.8 4.8 6.4 4.3 5 7.3 7.2 4.1 2.2
Rainy days 10 12 17 16 16 19 18 15 19 17 14 10

Average annual rainfall in Yotsukaidō: 1597.433mm (628.9 inches)

Average daily sunshine

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

Yotsukaidō average daily sunshine chart
Average daily sunshine Yotsukaidō
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.1 5.7 5.6 5.7 6.2 4.4 5 6.6 4.5 4.6 5 5.9

Day / night temperatures

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

Yotsukaidō average minimum / maximum temperatures (Celsius) Yotsukaidō average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Yotsukaidō (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.5 1.1 3.8 9.3 13.9 17.6 21.1 23 19.7 13.8 8.2 3
Max °C 9.7 9.8 12.5 17.5 21.6 23.9 27.2 29.4 25.9 21.1 16.6 12.2
Min °F 32.9 33.9 38.8 48.7 56.9 63.6 69.9 73.4 67.5 56.8 46.8 37.4
Max °F 41.2 41.7 46.6 56.1 63.9 69.3 75.4 79.2 73 63.3 54.3 45.7

Sea temperature

The graph below shows the average sea temperature.

Yotsukaidō average sea temperature chart (Celsius) Yotsukaidō average sea temperature chart (Fahrenheit)
Average sea temperature around Yotsukaidō in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.9 15.7 15.8 17.4 19.7 21.9 24.3 26.4 25.6 23.2 21.2 18.9
°F 62.4 60.3 60.5 63.3 67.5 71.4 75.7 79.5 78.1 73.8 70.1 66

Wind speed

The graph below shows the average wind speed.

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

Yotsukaidō relative humidity averages
Average relative humidity in Yotsukaidō
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
57% 60% 64% 72% 75% 82% 83% 81% 80% 74% 69% 62%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Yotsukaidō weather stats

Yotsukaidō weather statistics
Hottest month: August 29.2°C 84.6°F
Driest month: December 56mm 2.2ins
Sunniest month: January 6.1hrs
Coldest month: January 9.5°C 49.1°F
Wettest month: September 185mm 7.3ins
Warmest sea: August 26.4°C 79.5°F
Map showing location of Yotsukaidō (35.65, 140.16667) Yotsukaidō map pin © Google

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