Rumoi Climate by Month
Rumoi, Hokkaido, Japan
Warm summers and freezing winters, with rain spread through the year.
The climate in Rumoi is one of warm summers and freezing winters, with rain spread through the year. August is the warmest month, with highs around 76°F (25°C); January is the coolest at 31°F (-1°C), and nights dip to 17°F (-8°C). It gets 49 in (1233 mm) of rain a year, spread across the months.
- Warmest month
- 76°F(25°C)
- Average high, August
- Coldest nights
- 17°F(-8°C)
- Average low, January
- Rain per year
- 49 in(1233 mm)
- No clear rainy season
- Humidity
- 72%
- Sunniest: May
Best and worst months in Rumoi
Best for weatherThe most comfortable weather comes in July and August, with highs around 75°F (24°C) and about 5.1 in (129 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 31°F (-1°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 July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Rumoi weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 31°F(-1°C) | 17°F(-8°C) | 4.3 in(108 mm) | 68% | 1.3 |
| FebFebruary | 32°F(0°C) | 18°F(-8°C) | 3.1 in(79 mm) | 66% | 2.2 |
| MarMarch | 38°F(4°C) | 25°F(-4°C) | 2.6 in(66 mm) | 66% | 3.4 |
| AprApril | 49°F(10°C) | 35°F(2°C) | 2.2 in(55 mm) | 66% | 4.3 |
| MayMay | 60°F(16°C) | 44°F(7°C) | 2.2 in(56 mm) | 68% | 5.0 |
| JunJune | 67°F(19°C) | 53°F(12°C) | 2.6 in(67 mm) | 79% | 4.9 |
| JulJulyBest | 74°F(23°C) | 62°F(16°C) | 4.5 in(114 mm) | 78% | 4.7 |
| AugAugustBest | 76°F(25°C) | 63°F(17°C) | 5.7 in(144 mm) | 80% | 4.3 |
| SepSeptember | 71°F(21°C) | 55°F(13°C) | 5.4 in(138 mm) | 77% | 3.7 |
| OctOctober | 59°F(15°C) | 44°F(7°C) | 4.7 in(119 mm) | 69% | 2.5 |
| NovNovember | 46°F(8°C) | 33°F(1°C) | 5.6 in(141 mm) | 72% | 1.4 |
| DecDecember | 34°F(1°C) | 23°F(-5°C) | 5.7 in(146 mm) | 75% | 1.0 |
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 Rumoi →- 🇯🇵OtaruHokkaido, Japan · Pop. 115k99%matchSame summer highsSimilar rainfallRumoi vs Otaru →
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