Chikuma Climate by Month
Chikuma, Nagano, Japan
Hot summers and cold winters, with rain spread through the year.
The climate in Chikuma is one of hot summers and cold winters, with rain spread through the year. Afternoon highs range from 40°F (5°C) in January to 87°F (31°C) in August, and January nights average 25°F (-4°C). About 41 in (1047 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 87°F(31°C)
- Average high, August
- Coldest nights
- 25°F(-4°C)
- Average low, January
- Rain per year
- 41 in(1047 mm)
- No clear rainy season
- Humidity
- 66%
- Sunniest: May
Best and worst months in Chikuma
Best for weatherMay is the best time for weather in Chikuma: highs near 73°F (23°C) and about 3.2 in (82 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 40°F (5°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)
Chikuma weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 40°F(5°C) | 25°F(-4°C) | 2.7 in(68 mm) | 64% | 2.2 |
| FebFebruary | 43°F(6°C) | 25°F(-4°C) | 2.4 in(60 mm) | 61% | 2.9 |
| MarMarch | 51°F(11°C) | 31°F(-1°C) | 3.1 in(79 mm) | 57% | 3.7 |
| AprApril | 64°F(18°C) | 42°F(5°C) | 3.0 in(76 mm) | 59% | 4.6 |
| MayMayBest | 73°F(23°C) | 51°F(11°C) | 3.2 in(82 mm) | 57% | 5.2 |
| JunJune | 78°F(26°C) | 60°F(16°C) | 4.4 in(111 mm) | 70% | 4.8 |
| JulJuly | 84°F(29°C) | 68°F(20°C) | 5.1 in(129 mm) | 71% | 4.8 |
| AugAugust | 87°F(31°C) | 70°F(21°C) | 3.3 in(85 mm) | 69% | 5.1 |
| SepSeptember | 78°F(26°C) | 62°F(17°C) | 4.7 in(120 mm) | 71% | 3.8 |
| OctOctober | 67°F(19°C) | 50°F(10°C) | 4.5 in(115 mm) | 72% | 2.9 |
| NovNovember | 56°F(14°C) | 38°F(4°C) | 2.5 in(63 mm) | 72% | 2.3 |
| DecDecember | 46°F(8°C) | 30°F(-1°C) | 2.3 in(59 mm) | 65% | 1.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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