Best year time to visit Iruma

General weather information about Iruma

Average annual temperature is 15.6 °C

Absolute maximum temperature: 37.1 °C

Absolute minimum temperature: -7.6 °C

Number of sunny days: 170

Number of rainy days: 190

Number of snow days: 5

Average annual precipitation: 1492 mm

Look at detailed online map of Iruma

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

Iruma air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 12.4 18.4 23.2 26.5 31.8 30.5 37.1 35.8 33.1 25.8 24.9 18.3
Average daytime temperature (°C) 7.9 10.3 16.1 20.1 22.3 25.4 32 32.2 29 21.4 16.8 11.9
Average temperature (°C) 3.2 5.1 10.9 14.4 17.2 21.5 26.8 27.3 24.8 16.6 11.9 6.9
Average night temperature (°C) -0.6 1.1 6.7 9.9 13 18.4 22.7 23.7 21.7 12.5 8.3 2.6
Absolute minimum temperature (°C) -7.6 -3.5 -1.1 2.6 6.7 13.8 19.4 22.1 16.4 7.3 1.2 -3.5

Iruma monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 10.4 11.4 12.5 13.6 14.4 14.6 14.6 14 13 11.8 10.7 9.9
Daylight mean duration (h) 10.1 10.9 12 13.1 14.1 14.6 14.3 13.5 12.4 11.3 10.3 9.8
Daylight minimum duration (h) 9.8 10.4 11.4 12.6 13.6 14.4 14 13 11.9 10.8 9.9 9.7
Sunshine mean duration (h) 7.8 8 7.9 8.7 9.1 7.9 10.2 11 8.6 8.5 7.4 7.7
Precipitation (mm) 32 41 128 81 190 310 50 219 238 108 63 33
Sunny days 19 17 16 14 13 6 12 8 9 17 18 21
Rainy days 9 10 15 16 18 24 19 23 21 14 12 9
Snow days 3 1 1

Iruma - weather forecast by months

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

Best time to visit Iruma:

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

  • August — 11(h)

The largest precipitation sum in Iruma is at

  • May — 190(mm)
  • June — 310(mm)
  • August — 219(mm)
  • September — 238(mm)

Weather forecast in the closest to Iruma admin centers