Ōsaka monthly weather averages

Average daytime temperature

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

Ōsaka average temperature chart (Celsius) Ōsaka average temperature chart (Fahrenheit)
Average monthly temperatures in Ōsaka (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.8 9.4 13 19.6 24.2 27.3 31.3 32.9 28.6 22.5 17 11.7
°F 47.9 48.9 55.5 67.2 75.6 81.1 88.3 91.2 83.4 72.6 62.7 53

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.

Ōsaka monthly rainfall chart (mm) Ōsaka monthly rainfall chart (inches)
Average monthly rainfall in Ōsaka (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 51 65 105 140 143 221 184 117 187 114 72 41
inches 2 2.6 4.1 5.5 5.6 8.7 7.2 4.6 7.4 4.5 2.8 1.6
Rainy days 18 19 20 16 15 18 18 16 18 14 14 15

Average daily sunshine

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

Ōsaka average daily sunshine chart
Average daily sunshine Ōsaka
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.6 4.6 5.4 6 6.6 5.2 5.9 6.9 5.1 5.3 5 4.8

Day / night temperatures

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

Ōsaka average minimum / maximum temperatures (Celsius) Ōsaka average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Ōsaka (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.4 1.6 4 9.8 14.6 19.2 23.6 24.5 20.5 13.9 8.4 3.6
Max °C 9 9.6 13.3 19.8 24.5 27.5 31.5 33.1 28.8 22.8 17.3 11.9
Min °F 34.5 34.9 39.1 49.6 58.2 66.5 74.4 76.1 68.8 56.9 47 38.4
Max °F 41.4 42.1 47.5 58.6 67.1 73.9 81.5 83.8 76.3 64.9 55 45.9

Sea temperature

The graph below shows the average sea temperature.

Ōsaka average sea temperature chart (Celsius) Ōsaka average sea temperature chart (Fahrenheit)
Average sea temperature around Ōsaka in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 16.5 15.5 15.5 16.8 19.4 22.5 25.7 27.7 26.4 23.7 21.3 18.7
°F 61.8 59.9 59.9 62.3 66.9 72.6 78.3 81.8 79.5 74.7 70.3 65.6

Wind speed

The graph below shows the average wind speed.

Ōsaka average winspeed by month (km/h) Ōsaka average winspeed by month (mph)
Average wind speed in Ōsaka (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 8 8 8 9
mph 6 6 6 6 6 5 5 6 5 5 5 5

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.

Ōsaka relative humidity averages
Average relative humidity in Ōsaka
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
65% 65% 64% 64% 66% 72% 74% 71% 72% 70% 69% 67%
Ōsaka

Other monthly averages

UV index Best time to go?

Ōsaka weather stats

Ōsaka weather statistics
Hottest month: August 32.9°C 91.2°F
Driest month: December 41mm 1.6ins
Sunniest month: August 6.9hrs
Coldest month: January 8.8°C 47.8°F
Wettest month: June 221mm 8.7ins
Warmest sea: August 27.7°C 81.9°F
Map showing location of Ōsaka (34.69374, 135.50218)

Locations nearby

Top Japan locations

Change units