Shiojiri Climate by Month
Shiojiri, Nagano, Japan
Warm summers and cold winters, with rain spread through the year.
Shiojiri has warm summers and cold winters, with rain spread through the year. Expect highs of 84°F (29°C) in August and 40°F (4°C) in January, with the coldest nights (February) near 23°F (-5°C). It gets 43 in (1091 mm) of rain a year, spread across the months.
- Warmest month
- 84°F(29°C)
- Average high, August
- Coldest nights
- 23°F(-5°C)
- Average low, February
- Rain per year
- 43 in(1091 mm)
- No clear rainy season
- Humidity
- 67%
- Sunniest: August
Best and worst months in Shiojiri
Best for weatherThe most comfortable weather comes in May, June and September, with highs around 74°F (23°C) and about 4.9 in (124 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 40°F (4°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)
Shiojiri weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 40°F(4°C) | 24°F(-5°C) | 1.4 in(36 mm) | 66% | 2.4 |
| FebFebruary | 42°F(5°C) | 23°F(-5°C) | 1.8 in(46 mm) | 65% | 3.1 |
| MarMarch | 50°F(10°C) | 29°F(-2°C) | 3.3 in(84 mm) | 61% | 3.9 |
| AprApril | 61°F(16°C) | 38°F(4°C) | 3.8 in(96 mm) | 58% | 4.8 |
| MayMayBest | 71°F(21°C) | 48°F(9°C) | 4.0 in(101 mm) | 58% | 5.3 |
| JunJuneBest | 75°F(24°C) | 57°F(14°C) | 5.2 in(131 mm) | 69% | 4.9 |
| JulJuly | 82°F(28°C) | 64°F(18°C) | 5.4 in(138 mm) | 72% | 5.1 |
| AugAugust | 84°F(29°C) | 66°F(19°C) | 4.0 in(101 mm) | 71% | 5.3 |
| SepSeptemberBest | 76°F(24°C) | 58°F(15°C) | 5.5 in(140 mm) | 76% | 3.9 |
| OctOctober | 65°F(18°C) | 47°F(8°C) | 5.0 in(128 mm) | 73% | 3.0 |
| NovNovember | 55°F(13°C) | 35°F(2°C) | 2.3 in(58 mm) | 69% | 2.4 |
| DecDecember | 45°F(7°C) | 28°F(-2°C) | 1.3 in(32 mm) | 69% | 2.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Shiojiri →- 🇺🇸BridgeportConnecticut, United States · Pop. 148k94%matchSame winter lowsSame humidityShiojiri vs Bridgeport →
- 🇯🇵KōshūYamanashi, Japan · Pop. 32k94%matchSame summer highsSame sunshineShiojiri vs Kōshū →
- 🇯🇵MoriokaIwate, Japan · Pop. 291k93%matchSame summer highsSame winter lowsShiojiri vs Morioka →
- 🇯🇵NakanoNagano, Japan · Pop. 43k93%matchSame winter lowsSame humidityShiojiri vs Nakano →
- 🇺🇸Staten IslandNew York, United States · Pop. 469k93%matchSame humiditySame sunshineShiojiri vs Staten Island →