Jōetsu Climate by Month
Jōetsu, Niigata, 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 Jōetsu's climate in short. Afternoon highs range from 44°F (6°C) in January to 88°F (31°C) in August, and February nights average 30°F (-1°C). It gets 100 in (2541 mm) of rain a year, spread across the months.
- Warmest month
- 88°F(31°C)
- Average high, August
- Coldest nights
- 30°F(-1°C)
- Average low, February
- Rain per year
- 100 in(2541 mm)
- No clear rainy season
- Humidity
- 70%
- Sunniest: May
Best and worst months in Jōetsu
Best for weatherMay and June are the best time for weather in Jōetsu: highs near 75°F (24°C) and about 4.1 in (103 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 44°F (6°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)
Jōetsu weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 44°F(6°C) | 31°F(-1°C) | 15 in(387 mm) | 67% | 1.8 |
| FebFebruary | 44°F(7°C) | 30°F(-1°C) | 9.0 in(228 mm) | 67% | 2.5 |
| MarMarch | 51°F(11°C) | 34°F(1°C) | 6.5 in(165 mm) | 65% | 3.5 |
| AprApril | 62°F(17°C) | 44°F(6°C) | 3.8 in(97 mm) | 66% | 4.5 |
| MayMayBest | 72°F(22°C) | 53°F(12°C) | 3.4 in(87 mm) | 68% | 5.1 |
| JunJuneBest | 78°F(25°C) | 62°F(17°C) | 4.7 in(119 mm) | 72% | 4.8 |
| JulJuly | 85°F(29°C) | 70°F(21°C) | 7.6 in(194 mm) | 75% | 4.6 |
| AugAugust | 88°F(31°C) | 72°F(22°C) | 5.4 in(137 mm) | 74% | 5.0 |
| SepSeptember | 80°F(27°C) | 65°F(18°C) | 7.8 in(197 mm) | 73% | 3.7 |
| OctOctober | 70°F(21°C) | 54°F(12°C) | 8.5 in(215 mm) | 74% | 2.8 |
| NovNovember | 60°F(16°C) | 43°F(6°C) | 11 in(286 mm) | 69% | 2.0 |
| DecDecember | 49°F(10°C) | 34°F(1°C) | 17 in(429 mm) | 67% | 1.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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