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Weather & Climate
Ōtsuchi, Iwate, Japan
Overview
Climate data and monthly weather averages for Ōtsuchi.
Key Metrics
Annual Avg
10°C
Summer Avg
19.6°C
Winter Avg
-0.1°C
Record High
33.6°C
Record Low
-10.6°C
Annual Precipitation
1357.2 mm
Avg Humidity
83%
Summer Humidity
87%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 8.7° | -1.1° | -8.8° | 63.9 | 84% | 62 | 73.7 |
| Feb | 12.5° | -1.1° | -10.6° | 43.7 | 83% | 76 | 68.7 |
| Mar | 15.6° | 2.1° | -7.7° | 82.5 | 80% | 112 | 63.3 |
| Apr | 21.7° | 7° | -2.4° | 105.6 | 79% | 138 | 71.1 |
| May | 28.1° | 12.3° | 1.4° | 110 | 82% | 156 | 53 |
| Jun | 27.8° | 16.5° | 5.8° | 122.4 | 85% | 149 | 40.5 |
| Jul | 31.9° | 20.4° | 11.6° | 179.5 | 88% | 135 | 41.4 |
| Aug | 33.6° | 22° | 12.9° | 166.8 | 87% | 134 | 69.3 |
| Sep | 30.1° | 18.9° | 7° | 166.8 | 85% | 110 | 62.5 |
| Oct | 24.9° | 13.3° | 2.3° | 155 | 81% | 90 | 80 |
| Nov | 19.2° | 7.4° | -2.5° | 80.1 | 82% | 64 | 61.5 |
| Dec | 15.4° | 1.8° | -8° | 80.9 | 83% | 52 | 59.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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