Annaka Climate by Month
Annaka, Gunma, Japan
Hot summers and cold winters, with rain spread through the year.
Annaka has hot summers and cold winters, with rain spread through the year. Afternoon highs range from 49°F (9°C) in January to 87°F (31°C) in August, and January nights average 29°F (-2°C). About 48 in (1231 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 87°F(31°C)
- Average high, August
- Coldest nights
- 29°F(-2°C)
- Average low, January
- Rain per year
- 48 in(1231 mm)
- No clear rainy season
- Humidity
- 63%
- Sunniest: May
Best and worst months in Annaka
Best for weatherMay is the best time for weather in Annaka: highs near 75°F (24°C) and about 3.7 in (95 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 49°F (9°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Annaka weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 49°F(9°C) | 29°F(-2°C) | 2.7 in(69 mm) | 50% | 2.4 |
| FebFebruary | 50°F(10°C) | 30°F(-1°C) | 2.5 in(63 mm) | 47% | 3.0 |
| MarMarch | 56°F(14°C) | 35°F(2°C) | 2.9 in(74 mm) | 57% | 3.7 |
| AprApril | 66°F(19°C) | 44°F(7°C) | 3.1 in(78 mm) | 54% | 4.6 |
| MayMayBest | 75°F(24°C) | 53°F(12°C) | 3.7 in(95 mm) | 59% | 5.1 |
| JunJune | 79°F(26°C) | 62°F(17°C) | 5.2 in(132 mm) | 71% | 4.6 |
| JulJuly | 85°F(30°C) | 69°F(21°C) | 5.8 in(147 mm) | 75% | 4.7 |
| AugAugust | 87°F(31°C) | 71°F(22°C) | 5.3 in(135 mm) | 74% | 4.9 |
| SepSeptember | 79°F(26°C) | 64°F(18°C) | 6.1 in(156 mm) | 75% | 3.7 |
| OctOctober | 70°F(21°C) | 53°F(12°C) | 6.1 in(156 mm) | 71% | 2.9 |
| NovNovember | 61°F(16°C) | 40°F(5°C) | 2.5 in(63 mm) | 64% | 2.3 |
| DecDecember | 52°F(11°C) | 32°F(0°C) | 2.5 in(63 mm) | 55% | 2.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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