Umi monthly weather averages

Average daytime temperature

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

Umi average temperature chart (Celsius) Umi average temperature chart (Fahrenheit)
Average monthly temperatures in Umi (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.1 9.9 13.5 19 23.2 26.2 30.3 31.5 27.6 22.5 17.1 11.8
°F 48.3 49.9 56.4 66.2 73.7 79.1 86.5 88.6 81.6 72.5 62.8 53.3

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.

Umi monthly rainfall chart (mm) Umi monthly rainfall chart (inches)
Average monthly rainfall in Umi (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 75 77 108 154 166 270 301 163 191 93 79 55
inches 2.9 3 4.3 6.1 6.5 10.6 11.8 6.4 7.5 3.6 3.1 2.2
Rainy days 20 19 18 16 15 18 18 16 17 13 15 19

Average annual rainfall in Umi: 1894.6mm (745.9 inches)

Average daily sunshine

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

Umi average daily sunshine chart
Average daily sunshine Umi
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.5 4.2 5.4 5.9 6.4 5.2 5.9 7 5.6 6 4.8 3.8

Day / night temperatures

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

Umi average minimum / maximum temperatures (Celsius) Umi average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Umi (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2.2 2.7 5.1 10.2 14.4 18.9 23.8 24.2 20.1 13.7 8.5 4.2
Max °C 9.3 10.1 13.8 19.2 23.4 26.4 30.5 31.7 27.8 22.7 17.3 12
Min °F 35.9 36.9 41.1 50.4 57.9 65.9 74.8 75.5 68.1 56.7 47.3 39.6
Max °F 42.3 43.5 48.9 58.5 66 72.7 80.8 82.2 75 64.8 55.2 46.6

Sea temperature

The graph below shows the average sea temperature.

Umi average sea temperature chart (Celsius) Umi average sea temperature chart (Fahrenheit)
Average sea temperature around Umi in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 17.2 16.1 16.3 17.3 19.3 22 25.3 27.7 26.4 24.1 21.9 19.4
°F 63 61.1 61.3 63.1 66.8 71.7 77.6 81.8 79.5 75.3 71.4 67

Wind speed

The graph below shows the average wind speed.

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

Umi relative humidity averages
Average relative humidity in Umi
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
67% 68% 68% 70% 72% 78% 78% 77% 76% 73% 71% 69%

Other monthly averages

UV index Best time to go?

Umi weather stats

Umi weather statistics
Hottest month: August 31.5°C 88.7°F
Driest month: December 55mm 2.2ins
Sunniest month: August 7hrs
Coldest month: January 9.1°C 48.4°F
Wettest month: July 301mm 11.9ins
Warmest sea: August 27.7°C 81.9°F
Map showing location of Umi (33.56667, 130.5) Umi map pin © Google

Locations nearby

Top Japan locations