Live Weather & Forecast
Weather in Rumoi
Hokkaido, Japan · Real-time conditions & 3-day outlook
9°C
Feels like 8°C
48°F / Feels 46°F
Partly Cloudy
Rumoi, Hokkaido
🌞 Daytime
Updated: 2026-04-15 09:15
Humidity
52%
Wind
6.8 km/h E
Wind Gust
7.9 km/h
Pressure
1018 mb
Visibility
10 km
UV Index
3.2
(Moderate)
Precipitation
0 mm
Cloud Cover
32%
Dew Point
-0.6°C
Wind Degree
93°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
141.9 μg/m³
NO₂
2.5 μg/m³
O₃
82 μg/m³
SO₂
1.4 μg/m³
PM 2.5
15.7 μg/m³
PM 10
22 μg/m³
Today's Hourly Forecast
24-hour breakdown for Rumoi, Hokkaido
12 AM
2°
Clear
1 AM
2°
Clear
2 AM
2°
Clear
3 AM
2°
Clear
4 AM
1°
Clear
5 AM
1°
Partly Cloudy
6 AM
3°
Partly Cloudy
7 AM
6°
Overcast
8 AM
7°
Partly Cloudy
9 AM
9°
Partly Cloudy
10 AM
10°
Overcast
11 AM
10°
Cloudy
12 PM
10°
Partly Cloudy
1 PM
10°
Overcast
2 PM
9°
Overcast
3 PM
9°
Overcast
4 PM
9°
Overcast
5 PM
8°
Cloudy
6 PM
7°
Overcast
7 PM
7°
Overcast
8 PM
7°
Overcast
9 PM
7°
Overcast
10 PM
6°
Cloudy
11 PM
6°
Overcast
3-Day Forecast
Daily overview for Rumoi, Hokkaido
Today
Overcast
10°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 11.9 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 1.1
🌅 Sunrise: 04:51 AM
🌇 Sunset: 06:17 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Sunny
11°
/
2°
🌧️ 0% chance of rain
💧 Avg. humidity: 55%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 04:49 AM
🌇 Sunset: 06:18 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
12°
/
3°
🌧️ 0% chance of rain
💧 Avg. humidity: 68%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.2
🌅 Sunrise: 04:48 AM
🌇 Sunset: 06:19 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Rumoi
Plan your trip to Rumoi, Japan around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Rumoi?
Current conditions in Rumoi: Partly Cloudy, temperature 9°C, humidity 52%.
What is the best time to visit Rumoi?
The best time to visit Rumoi is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Rumoi?
Rumoi is located at approximately 43.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Rumoi?
The wettest period in Rumoi is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Rumoi?
For visits to Rumoi during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Rumoi in 2026?
View the 2026 public holidays for Rumoi on our Holidays page.
What are the GPS coordinates used for the weather forecast in Rumoi?
The weather forecast for Rumoi uses coordinates 43.941, 141.6368.