Oyama, Japan Climate by Month
Oyama, Tochigi, 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 Oyama's climate in short. Afternoon highs range from 49°F (9°C) in January to 87°F (31°C) in August, and January nights average 29°F (-2°C). About 50 in (1282 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 87°F(31°C)
- Average high, August
- Coldest nights
- 29°F(-2°C)
- Average low, January
- Rain per year
- 50 in(1282 mm)
- No clear rainy season
- Humidity
- 67%
- Sunniest: May
Best and worst months in Oyama
Best for weatherMay is the best time for weather in Oyama: highs near 74°F (23°C) and about 4.8 in (122 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 49°F (9°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)
Oyama weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 49°F(9°C) | 29°F(-2°C) | 1.5 in(39 mm) | 50% | 2.6 |
| FebFebruary | 50°F(10°C) | 31°F(-1°C) | 1.8 in(46 mm) | 58% | 3.1 |
| MarMarch | 56°F(14°C) | 37°F(3°C) | 3.0 in(76 mm) | 56% | 3.8 |
| AprApril | 66°F(19°C) | 46°F(8°C) | 3.9 in(99 mm) | 59% | 4.6 |
| MayMayBest | 74°F(23°C) | 55°F(13°C) | 4.8 in(122 mm) | 67% | 5.0 |
| JunJune | 78°F(26°C) | 63°F(17°C) | 5.6 in(142 mm) | 74% | 4.5 |
| JulJuly | 85°F(29°C) | 71°F(21°C) | 6.0 in(153 mm) | 77% | 4.5 |
| AugAugust | 87°F(31°C) | 72°F(22°C) | 5.1 in(130 mm) | 78% | 4.7 |
| SepSeptember | 80°F(27°C) | 66°F(19°C) | 6.4 in(162 mm) | 76% | 3.6 |
| OctOctober | 71°F(22°C) | 55°F(13°C) | 7.8 in(198 mm) | 72% | 2.9 |
| NovNovember | 62°F(16°C) | 43°F(6°C) | 2.6 in(65 mm) | 68% | 2.4 |
| DecDecember | 53°F(11°C) | 33°F(0°C) | 2.0 in(50 mm) | 65% | 2.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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