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Weather & Climate

Muroran, Hokkaidō, Japan

Overview

Climate data and monthly weather averages for Muroran.

Key Metrics

Annual Avg
7.6°C
Summer Avg
17.5°C
Winter Avg
-2.9°C
Record High
28.6°C
Record Low
-14.1°C
Annual Precipitation
1264.8 mm
Avg Humidity
86%
Summer Humidity
89%
Winter Humidity
88%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan5.1°-3.7°-14.1°86.289%4061.7
Feb5.2°-3.7°-12.7°71.486%5565.2
Mar9.9°-0.5°-11.8°70.484%10062.9
Apr16.7°4.3°-4.2°71.784%13454.5
May22.5°9.4°0.3°86.285%15849
Jun24.8°14.1°5.7°90.988%14941.4
Jul27.7°18.1°10.5°134.290%13834.7
Aug28.6°20.3°12.7°16888%13173
Sep27.3°17.6°8.1°139.283%11275.5
Oct21.2°11.8°1.8°114.780%8451.4
Nov16.4°5.1°-5.7°119.183%4754.7
Dec11.9°-1.3°-10.1°112.888%3459.4

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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