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 days

Number of rainy days: 200 days

Number of snow days: 72 days

* Weather data for Iwamizawa Japan is based on climate observations for 2026 year

	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	2.7	7.8	12.3	17.8	22.4	25.3	19.9	12.0	5.3	-3.0
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	6.0	13.8	18.3	10.1	2.6	-6.3	-17.4

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

Months with the longest average daylight duration in Iwamizawa:

The largest precipitation sum in Iwamizawa is at

August — 277(mm)

September — 216(mm)

When is the best time to visit Iwamizawa?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Iwamizawa.

What is the weather like in Iwamizawa?

See average temperature, rainfall and daylight hours for Iwamizawa by month in the table above.

How many sunny days does Iwamizawa have?

The monthly weather statistics above show sunshine and rainfall patterns for Iwamizawa throughout the year.