Okaya Climate by Month
Okaya, Nagano, Japan
Warm summers and cold winters, with rain spread through the year.
Okaya has warm summers and cold winters, with rain spread through the year. Expect highs of 84°F (29°C) in August and 41°F (5°C) in January, with the coldest nights (February) near 24°F (-5°C). It gets 43 in (1080 mm) of rain a year, spread across the months.
- Warmest month
- 84°F(29°C)
- Average high, August
- Coldest nights
- 24°F(-5°C)
- Average low, February
- Rain per year
- 43 in(1080 mm)
- No clear rainy season
- Humidity
- 66%
- Sunniest: May
Best and worst months in Okaya
Best for weatherMay, June and September are the best time for weather in Okaya: highs near 74°F (23°C) and about 4.8 in (123 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 41°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 June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Okaya weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 41°F(5°C) | 24°F(-4°C) | 1.3 in(34 mm) | 64% | 2.4 |
| FebFebruary | 43°F(6°C) | 24°F(-5°C) | 1.8 in(45 mm) | 62% | 3.1 |
| MarMarch | 50°F(10°C) | 29°F(-1°C) | 3.2 in(82 mm) | 60% | 3.9 |
| AprApril | 61°F(16°C) | 38°F(4°C) | 3.7 in(94 mm) | 58% | 4.8 |
| MayMayBest | 70°F(21°C) | 48°F(9°C) | 3.9 in(100 mm) | 58% | 5.2 |
| JunJuneBest | 75°F(24°C) | 57°F(14°C) | 5.1 in(130 mm) | 69% | 4.8 |
| JulJuly | 82°F(28°C) | 64°F(18°C) | 5.6 in(142 mm) | 72% | 5.0 |
| AugAugust | 84°F(29°C) | 65°F(19°C) | 4.1 in(104 mm) | 71% | 5.2 |
| SepSeptemberBest | 76°F(24°C) | 58°F(15°C) | 5.5 in(139 mm) | 75% | 3.9 |
| OctOctober | 65°F(18°C) | 47°F(8°C) | 5.0 in(126 mm) | 72% | 3.1 |
| NovNovember | 55°F(13°C) | 35°F(2°C) | 2.2 in(55 mm) | 68% | 2.4 |
| DecDecember | 46°F(8°C) | 28°F(-2°C) | 1.1 in(29 mm) | 68% | 2.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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