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Weather & Climate
Annaka, Gunma, Japan
Overview
Climate data and monthly weather averages for Annaka.
Key Metrics
Annual Avg
8°C
Summer Avg
19.2°C
Winter Avg
-3.6°C
Record High
30.3°C
Record Low
-15.3°C
Annual Precipitation
1433.2 mm
Avg Humidity
87%
Summer Humidity
85%
Winter Humidity
92%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 6.7° | -5° | -14.7° | 83.4 | 93% | 72 | 60.4 |
| Feb | 13.3° | -4.3° | -15.3° | 59.1 | 92% | 87 | 59.9 |
| Mar | 17.6° | -0.3° | -14.1° | 82.8 | 86% | 124 | 58.4 |
| Apr | 23.1° | 5.9° | -7.1° | 87.9 | 81% | 146 | 62.3 |
| May | 27.1° | 11.9° | -3.6° | 102.6 | 80% | 166 | 45.5 |
| Jun | 27.9° | 16.2° | 2.1° | 143.4 | 84% | 146 | 54.7 |
| Jul | 30.3° | 20.4° | 9.7° | 198.7 | 86% | 143 | 39 |
| Aug | 30.1° | 21.1° | 9.1° | 161.5 | 86% | 147 | 53.5 |
| Sep | 28.4° | 16.9° | 1.9° | 178.2 | 87% | 115 | 63.4 |
| Oct | 25.4° | 10.5° | -1.6° | 159 | 88% | 97 | 64.5 |
| Nov | 19.1° | 4.3° | -6.1° | 87 | 89% | 76 | 41.7 |
| Dec | 17.1° | -1.6° | -13.9° | 89.6 | 91% | 65 | 53.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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