Muroran Climate by Month
Muroran, Hokkaido, Japan
Mild summers and freezing winters, with rain spread through the year.
Mild summers and freezing winters, with rain spread through the year: that's Muroran's climate in short. Expect highs of 75°F (24°C) in August and 34°F (1°C) in January, with the coldest nights (February) near 25°F (-4°C). It gets 47 in (1183 mm) of rain a year, spread across the months.
- Warmest month
- 75°F(24°C)
- Average high, August
- Coldest nights
- 25°F(-4°C)
- Average low, February
- Rain per year
- 47 in(1183 mm)
- No clear rainy season
- Humidity
- 74%
- Sunniest: May
Best and worst months in Muroran
Best for weatherAugust and September are the best time for weather in Muroran: highs near 73°F (23°C) and about 6.4 in (163 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 34°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 August.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Muroran weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 34°F(1°C) | 25°F(-4°C) | 2.7 in(69 mm) | 72% | 1.6 |
| FebFebruary | 34°F(1°C) | 25°F(-4°C) | 2.0 in(50 mm) | 72% | 2.6 |
| MarMarch | 40°F(4°C) | 29°F(-1°C) | 2.1 in(54 mm) | 74% | 3.7 |
| AprApril | 50°F(10°C) | 37°F(3°C) | 2.8 in(71 mm) | 73% | 4.5 |
| MayMay | 59°F(15°C) | 45°F(7°C) | 3.7 in(95 mm) | 76% | 5.0 |
| JunJune | 64°F(18°C) | 53°F(12°C) | 3.8 in(96 mm) | 84% | 4.9 |
| JulJuly | 71°F(22°C) | 61°F(16°C) | 6.4 in(162 mm) | 87% | 4.4 |
| AugAugustBest | 75°F(24°C) | 65°F(18°C) | 6.7 in(170 mm) | 84% | 4.2 |
| SepSeptemberBest | 71°F(22°C) | 60°F(16°C) | 6.1 in(155 mm) | 75% | 3.7 |
| OctOctober | 62°F(16°C) | 49°F(10°C) | 3.7 in(94 mm) | 67% | 2.8 |
| NovNovember | 50°F(10°C) | 38°F(4°C) | 3.2 in(82 mm) | 61% | 1.7 |
| DecDecember | 39°F(4°C) | 29°F(-1°C) | 3.3 in(85 mm) | 60% | 1.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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