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Weather & Climate
Iwaki, Fukushima, Japan
Overview
Climate data and monthly weather averages for Iwaki.
Key Metrics
Annual Avg
11.5°C
Summer Avg
21.8°C
Winter Avg
0.9°C
Record High
39°C
Record Low
-9.9°C
Annual Precipitation
1396.8 mm
Avg Humidity
84%
Summer Humidity
85%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 13.8° | -0.2° | -9.9° | 62 | 85% | 69 | 36.5 |
| Feb | 17.9° | 0.5° | -9° | 48.2 | 83% | 82 | 40 |
| Mar | 21.7° | 3.9° | -8.8° | 87.7 | 80% | 119 | 36 |
| Apr | 26.9° | 9.3° | -4° | 111 | 80% | 141 | 43.5 |
| May | 31.6° | 14.7° | -0.2° | 120.3 | 80% | 161 | 32.5 |
| Jun | 31.8° | 18.7° | 6.1° | 138.9 | 84% | 146 | 34.4 |
| Jul | 39° | 22.7° | 12.2° | 191.9 | 85% | 136 | 22.6 |
| Aug | 36.8° | 23.9° | 12.4° | 142.9 | 85% | 141 | 33.4 |
| Sep | 33.4° | 19.9° | 5.9° | 169.5 | 86% | 111 | 41.3 |
| Oct | 27.6° | 13.9° | 1.8° | 180.1 | 86% | 92 | 47 |
| Nov | 21.7° | 8° | -4.2° | 78.3 | 86% | 70 | 26.8 |
| Dec | 20.6° | 2.5° | -6.7° | 66 | 86% | 60 | 37.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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