Ōtsu Climate by Month
Ōtsu, Shiga, Japan
Hot summers and cool winters, with rain spread through the year.
The climate in Ōtsu is one of hot summers and cool winters, with rain spread through the year. Expect highs of 88°F (31°C) in August and 45°F (7°C) in January, with the coldest nights (January) near 31°F (0°C). It gets 61 in (1545 mm) of rain a year, spread across the months.
- Warmest month
- 88°F(31°C)
- Average high, August
- Coldest nights
- 31°F(0°C)
- Average low, January
- Rain per year
- 61 in(1545 mm)
- No clear rainy season
- Humidity
- 66%
- Sunniest: August
Best and worst months in Ōtsu
Best for weatherMay and June are the best time for weather in Ōtsu: highs near 75°F (24°C) and about 6.5 in (166 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 45°F (7°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)
Ōtsu weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 45°F(7°C) | 31°F(0°C) | 2.9 in(74 mm) | 64% | 2.1 |
| FebFebruary | 46°F(8°C) | 32°F(0°C) | 2.8 in(72 mm) | 62% | 2.8 |
| MarMarch | 53°F(12°C) | 36°F(2°C) | 4.4 in(113 mm) | 60% | 3.7 |
| AprApril | 63°F(17°C) | 46°F(8°C) | 5.2 in(132 mm) | 63% | 4.6 |
| MayMayBest | 72°F(22°C) | 55°F(13°C) | 5.7 in(145 mm) | 65% | 5.1 |
| JunJuneBest | 78°F(26°C) | 63°F(17°C) | 7.4 in(187 mm) | 70% | 4.8 |
| JulJuly | 85°F(30°C) | 71°F(22°C) | 7.8 in(199 mm) | 73% | 4.9 |
| AugAugust | 88°F(31°C) | 73°F(23°C) | 5.4 in(136 mm) | 68% | 5.3 |
| SepSeptember | 80°F(27°C) | 66°F(19°C) | 7.4 in(188 mm) | 72% | 4.0 |
| OctOctober | 69°F(21°C) | 55°F(13°C) | 6.1 in(156 mm) | 68% | 3.2 |
| NovNovember | 60°F(16°C) | 45°F(7°C) | 3.0 in(76 mm) | 67% | 2.4 |
| DecDecember | 50°F(10°C) | 36°F(2°C) | 2.6 in(67 mm) | 65% | 2.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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