Climate normals · 1970–2000
Iwamizawa Climate
Iwamizawa is a city in Japan (12) with a population of about 85,107. Its average annual temperature is 7.4°C (45°F), with roughly 1171 mm of rain per year.
7.4°C
Avg Temp
1171
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
Iwamizawa Climate
Iwamizawa has an average annual temperature of 7.4°C (45°F) and receives about 1171 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
7.4°C
Avg Temp
1171
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 21° | 97 mm |
| February | -6° / 22° | 74 mm |
| March | -2° / 29° | 57 mm |
| April | 6° / 42° | 64 mm |
| May | 11° / 53° | 71 mm |
| June | 16° / 60° | 75 mm |
| July | 20° / 68° | 102 mm |
| August | 21° / 70° | 153 mm |
| September | 17° / 62° | 135 mm |
| October | 10° / 51° | 112 mm |
| November | 3° / 38° | 114 mm |
| December | -3° / 27° | 117 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Iwamizawa
The most comfortable months to visit Iwamizawa are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 25°C high). The coldest is January (near -10°C low). August is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Iwamizawa are typically July, August and June, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Iwamizawa, Japan has an average annual temperature of 7.4°C and about 1171 mm of precipitation per year. The warmest month is August and the coldest is January.
In August, the hottest month, daily highs in Iwamizawa average about 25°C (78°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.