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Weather & Climate
Iyo-shi, Ehime, Japan
Overview
Climate data and monthly weather averages for Iyo-shi.
Key Metrics
Annual Avg
16.2°C
Summer Avg
24.7°C
Winter Avg
7.3°C
Record High
37.1°C
Record Low
-2.9°C
Annual Precipitation
1794.2 mm
Avg Humidity
79%
Summer Humidity
84%
Winter Humidity
77%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 17.8° | 6.2° | -2.9° | 59.5 | 77% | 73 | 36.4 |
| Feb | 18.9° | 7.1° | -2° | 82.6 | 76% | 86 | 42.3 |
| Mar | 20.6° | 9.7° | -0.2° | 112.2 | 75% | 128 | 40.2 |
| Apr | 25.1° | 14.1° | 3.2° | 137.1 | 76% | 149 | 42.2 |
| May | 28.5° | 18.3° | 7.5° | 165.2 | 79% | 165 | 37 |
| Jun | 30° | 21.9° | 13.1° | 281.7 | 83% | 138 | 39 |
| Jul | 34.2° | 25.6° | 17.7° | 271.3 | 85% | 158 | 42.6 |
| Aug | 34.2° | 26.6° | 17.9° | 167.7 | 83% | 164 | 63.1 |
| Sep | 37.1° | 23.8° | 14.3° | 215.4 | 82% | 128 | 68.6 |
| Oct | 29.1° | 18.8° | 8.9° | 140.1 | 79% | 110 | 59.3 |
| Nov | 24.4° | 13.7° | 3.7° | 85.8 | 78% | 79 | 31.2 |
| Dec | 22.1° | 8.5° | -1.8° | 75.6 | 78% | 65 | 44.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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