Climate normals · 1970–2000
Iwakuni Climate
Iwakuni is a city in Japan (45) with a population of about 129,125. Its average annual temperature is 15.3°C (60°F), with roughly 1756 mm of rain per year.
15.3°C
Avg Temp
1756
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
Iwakuni Climate
Iwakuni has an average annual temperature of 15.3°C (60°F) and receives about 1756 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
15.3°C
Avg Temp
1756
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 5° / 41° | 58 mm |
| February | 5° / 41° | 78 mm |
| March | 8° / 47° | 130 mm |
| April | 13° / 56° | 186 mm |
| May | 18° / 64° | 185 mm |
| June | 22° / 71° | 295 mm |
| July | 26° / 78° | 245 mm |
| August | 27° / 80° | 144 mm |
| September | 23° / 73° | 196 mm |
| October | 18° / 64° | 114 mm |
| November | 12° / 54° | 80 mm |
| December | 7° / 45° | 45 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 Iwakuni
The most comfortable months to visit Iwakuni are typically October, September and May, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 30°C high). The coldest is January (near 1°C low). June is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Iwakuni are typically October, September and May, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Iwakuni, Japan has an average annual temperature of 15.3°C and about 1756 mm of precipitation per year. The warmest month is August and the coldest is January.
In August, the hottest month, daily highs in Iwakuni average about 30°C (86°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.