Tomioka Climate by Month
Tomioka, Gunma, Japan
Hot summers and cold winters, with rain spread through the year.
Hot summers and cold winters, with rain spread through the year: that's Tomioka's climate in short. August is the warmest month, with highs around 88°F (31°C); January is the coolest at 49°F (9°C), and nights dip to 29°F (-2°C). About 48 in (1217 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 88°F(31°C)
- Average high, August
- Coldest nights
- 29°F(-2°C)
- Average low, January
- Rain per year
- 48 in(1217 mm)
- No clear rainy season
- Humidity
- 63%
- Sunniest: May
Best and worst months in Tomioka
Best for weatherThe most comfortable weather comes in May, with highs around 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)
Tomioka weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 49°F(9°C) | 29°F(-2°C) | 2.5 in(63 mm) | 50% | 2.5 |
| FebFebruary | 50°F(10°C) | 30°F(-1°C) | 2.4 in(60 mm) | 47% | 3.0 |
| MarMarch | 57°F(14°C) | 35°F(2°C) | 2.9 in(73 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) | 63% | 5.1 |
| JunJune | 79°F(26°C) | 62°F(17°C) | 5.2 in(131 mm) | 71% | 4.6 |
| JulJuly | 85°F(30°C) | 69°F(21°C) | 5.8 in(147 mm) | 75% | 4.7 |
| AugAugust | 88°F(31°C) | 71°F(22°C) | 5.4 in(137 mm) | 73% | 4.9 |
| SepSeptember | 79°F(26°C) | 64°F(18°C) | 6.2 in(157 mm) | 75% | 3.7 |
| OctOctober | 70°F(21°C) | 53°F(12°C) | 6.2 in(157 mm) | 71% | 2.9 |
| NovNovember | 61°F(16°C) | 40°F(5°C) | 2.4 in(61 mm) | 63% | 2.3 |
| DecDecember | 53°F(11°C) | 32°F(0°C) | 2.3 in(58 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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