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Rumoi
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Rumoi Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Rumoi year round climate
- Spring (March–May): Average 1.6–12.1°C, cold climate gradually warming, moderate rainfall. Common activities: flower viewing, hiking. Recommended clothing: warm jacket, sweater, long pants.
- Summer (June–August): Average 16.7–23.1°C, warm and humid climate, more rainfall, especially in August. Common activities: seaside recreation, outdoor activities. Recommended clothing: light and breathable clothing, rain gear.
- Autumn (September–November): Average 19.2–5.9°C, cool climate, more rainfall, temperature gradually decreasing. Common activities: maple leaf viewing, mountain climbing. Recommended clothing: warm jacket, comfortable shoes.
- Winter (December–February): Average -4.1–-1.6°C, cold and dry climate, higher chance of snowfall. Common activities: skiing, onsen experience. Recommended clothing: heavy warm clothing, waterproof jacket, snow boots.
Rumoi climatological average
Annual average temperature: approx. 8.8°C / Annual rainfall: approx. 1341 mm / Summer humidity: 70%–80% / Rainiest month: August
Rumoi monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-4.1°C
132.9
February
-3.2°C
77.1
March
1.6°C
50
April
7.5°C
41.1
May
12.1°C
70.5
June
16.7°C
86.4
July
21.5°C
115.4
August
23.1°C
200.1
September
19.2°C
106.4
October
12.3°C
140.4
November
5.9°C
168.7
December
-1.6°C
152.9
Rumoi weather for the next seven days
6/24
Wednesday
Partly Cloudy
17.5°C/11.3°C
6/25
Thursday
Sunny
22.7°C/10.5°C
6/26
Friday
Moderate rain
21.9°C/13.3°C
6/27
Saturday
Moderate rain
16.6°C/14.8°C
6/28
Sunday
Partly Cloudy
19.5°C/12.1°C
6/29
Monday
Partly Cloudy
19.3°C/9.7°C
6/30
Tuesday
Sunny
20°C/11.1°C
