Tsushima monthly weather averages

Average daytime temperature

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

Tsushima average temperature chart (Celsius) Tsushima average temperature chart (Fahrenheit)
Average monthly temperatures in Tsushima (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.4 9.1 12.7 18.9 23.4 26.4 30.1 32 27.8 22.3 16.8 11.2
°F 47.1 48.4 54.8 66 74.2 79.5 86.1 89.6 82.1 72.1 62.2 52.1

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.

Tsushima monthly rainfall chart (mm) Tsushima monthly rainfall chart (inches)
Average monthly rainfall in Tsushima (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 65 80 122 171 174 256 251 154 228 122 85 56
inches 2.5 3.2 4.8 6.7 6.9 10.1 9.9 6.1 9 4.8 3.4 2.2
Rainy days 18 17 17 15 14 18 19 16 18 14 14 16

Average annual rainfall in Tsushima: 1936.2mm (762.3 inches)

Average daily sunshine

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

Tsushima average daily sunshine chart
Average daily sunshine Tsushima
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.3 5.5 6.1 6.1 6.8 5.3 5.7 6.9 5.1 5.6 5.4 5.3

Day / night temperatures

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

Tsushima average minimum / maximum temperatures (Celsius) Tsushima average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Tsushima (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.4 0.7 3.3 9.3 14 18.6 22.8 24 20 13.3 7.6 2.6
Max °C 8.6 9.3 12.9 19.2 23.7 26.6 30.3 32.2 28 22.5 17 11.4
Min °F 32.7 33.3 37.9 48.7 57.1 65.5 73 75.2 68 55.9 45.7 36.7
Max °F 40.1 41 46.6 57.6 65.8 72.7 79.7 82.6 75.2 64.2 54.1 44.6

Sea temperature

The graph below shows the average sea temperature.

Tsushima average sea temperature chart (Celsius) Tsushima average sea temperature chart (Fahrenheit)
Average sea temperature around Tsushima in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.8 13.7 13.6 14.8 17.6 21 24.4 27 25.7 22.8 20 17.2
°F 58.7 56.6 56.5 58.7 63.7 69.9 76 80.5 78.2 73 68.1 63

Wind speed

The graph below shows the average wind speed.

Tsushima average winspeed by month (km/h) Tsushima average winspeed by month (mph)
Average wind speed in Tsushima (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 10 11 10 10 9 8 9 8 8 9 9
mph 6 7 7 7 6 5 5 5 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.

Tsushima relative humidity averages
Average relative humidity in Tsushima
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
67% 66% 63% 66% 69% 75% 78% 75% 76% 71% 69% 69%

Other monthly averages

UV index Best time to go?

Tsushima weather stats

Tsushima weather statistics
Hottest month: August 32°C 89.6°F
Driest month: December 56mm 2.2ins
Sunniest month: December 5.3hrs
Coldest month: January 8.4°C 47.1°F
Wettest month: June 256mm 10.1ins
Warmest sea: August 27°C 80.6°F
Map showing location of Tsushima (35.16667, 136.71667) Tsushima map pin © Google

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