Best year time to visit Iwamizawa

General weather information about Iwamizawa

Average annual temperature is 9.3 °C

Absolute maximum temperature: 32.6 °C

Absolute minimum temperature: -18.5 °C

Number of sunny days: 93

Number of rainy days: 200

Number of snow days: 72

Average annual precipitation: 1521 mm

Look at detailed online map of Iwamizawa

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

Iwamizawa air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 4.8 4.9 16.4 17.7 23.1 27.6 31.2 32.6 28.1 23.3 18.9 12.4
Average daytime temperature (°C) -4.2 -2.1 7.6 12.3 17.6 22.4 26.3 29.2 23.9 16.5 9.1 0.4
Average temperature (°C) -7.2 -5.2 2.9 7.8 12.3 17.8 22.4 25.3 19.9 12 5.3 -3
Average night temperature (°C) -10.6 -8.3 -1.4 4.2 7.8 13.9 19.3 22.3 16.3 8.4 1.7 -6.6
Absolute minimum temperature (°C) -18.5 -14.9 -8.6 -0.7 0.5 6 13.8 18.3 10.1 2.6 -6.3 -17.4

Iwamizawa monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 9.9 11.2 12.7 14.1 15.1 15.4 15.3 14.5 13.2 11.8 10.3 9.2
Daylight mean duration (h) 9.4 10.5 11.9 13.4 14.7 15.3 15 13.9 12.5 11 9.7 9.1
Daylight minimum duration (h) 9.1 9.9 11.2 12.7 14.1 15.2 14.6 13.3 11.8 10.4 9.3 9
Sunshine mean duration (h) 6.5 7.1 8.5 8.3 10.2 9.9 10 8.9 7.6 7.8 6.5 5.2
Precipitation (mm) 70 68 73 109 66 129 131 277 217 127 153 101
Sunny days 3 2 15 6 13 13 7 2 8 14 6 4
Rainy days 2 6 11 24 18 17 24 29 22 17 21 9
Snow days 26 20 5 3 18

Iwamizawa - weather forecast by months

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

Best time to visit Iwamizawa:

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

  • May — 10.2(h)

Months with the longest average daylight duration in Iwamizawa:

  • June — 15.3(h)

The largest precipitation sum in Iwamizawa is at

  • August — 277(mm)
  • September — 217(mm)

Weather forecast in the closest to Iwamizawa admin centers