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Weather & Climate
Iida-shi, Nagano, Japan
Overview
Climate data and monthly weather averages for Iida-shi.
Key Metrics
Annual Avg
7.5°C
Summer Avg
18°C
Winter Avg
-3.7°C
Record High
29.4°C
Record Low
-19.9°C
Annual Precipitation
1585.1 mm
Avg Humidity
85%
Summer Humidity
86%
Winter Humidity
87%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 8.2° | -5.2° | -18.9° | 58.6 | 88% | 77 | 46.9 |
| Feb | 11.7° | -3.8° | -19.9° | 71.4 | 86% | 90 | 49 |
| Mar | 16.2° | -0.1° | -14° | 115.3 | 83% | 128 | 49.5 |
| Apr | 21.7° | 5.4° | -10.3° | 130.2 | 80% | 147 | 55.9 |
| May | 24.3° | 11° | -4.5° | 143.2 | 80% | 167 | 44 |
| Jun | 26.1° | 15.2° | 1.7° | 171 | 84% | 145 | 52.7 |
| Jul | 28.4° | 19° | 10.5° | 218.9 | 87% | 148 | 43 |
| Aug | 29.4° | 19.8° | 10.1° | 155.9 | 86% | 155 | 59.9 |
| Sep | 27.1° | 16.3° | -0.3° | 194.1 | 87% | 122 | 65.4 |
| Oct | 24.1° | 10.4° | -3.7° | 183.2 | 86% | 104 | 62.7 |
| Nov | 17.3° | 4.1° | -8.4° | 80.4 | 87% | 80 | 43.9 |
| Dec | 15.8° | -2° | -16.9° | 62.9 | 88% | 69 | 53.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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