Best year time to visit Ōshima

General weather information about Ōshima

Average annual temperature is 18.3 °C

Absolute maximum temperature: 28.9 °C

Absolute minimum temperature: 2 °C

Number of sunny days: 156

Number of rainy days: 208

Number of snow days: 1

Average annual precipitation: 2175 mm

Look at detailed online map of Ōshima

* Weather data for Ōshima Japan is based on climate observations for 2023 year

Ōshima air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 18.3 18.1 19.3 20.3 22 25 28.1 28.9 28.7 27.4 24.1 20.2
Average daytime temperature (°C) 11.2 12 15.4 17.7 19.6 22.4 25.6 27.9 27.1 22.2 18.7 14.2
Average temperature (°C) 9.6 10.3 14.1 16.3 18.6 21.6 24.9 27 26.1 20.7 17 12.5
Average night temperature (°C) 7.7 8.2 12.1 14.3 17.4 20.7 24.1 25.8 24.9 18.9 15.1 10.6
Absolute minimum temperature (°C) 2 4.2 7.2 10.8 13.3 17.9 22 23 21.4 16 10.2 5.4

Ōshima monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 10.5 11.4 12.5 13.6 14.3 14.5 14.5 13.9 12.9 11.8 10.8 10
Daylight mean duration (h) 10.1 10.9 12 13.1 14 14.5 14.2 13.4 12.4 11.3 10.4 9.9
Daylight minimum duration (h) 9.9 10.5 11.4 12.6 13.6 14.3 13.9 13 11.9 10.8 10 9.8
Sunshine mean duration (h) 6.9 7.7 7.4 8.8 8.9 8 10.7 10.9 9.6 8.6 7.5 7.8
Precipitation (mm) 80 130 231 231 202 259 46 248 299 222 155 73
Sunny days 9 10 13 13 13 11 22 10 10 11 14 20
Rainy days 21 18 18 17 18 19 9 21 20 20 16 11
Snow days 1

Ōshima - weather forecast by months

January February March April May June July August September October November December

Best time to visit Ōshima:

The best time to visit Ōshima during the most sunny months:

  • August — 10.9(h)

The largest precipitation sum in Ōshima is at

  • March — 231(mm)
  • April — 231(mm)
  • June — 259(mm)
  • August — 248(mm)
  • September — 299(mm)

Weather forecast in the closest to Ōshima admin centers