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Weather & Climate
Muroran-shi, Hokkaidō, Japan
Overview
Available climate summaries for Muroran-shi. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
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
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 5.1° | -3.7° | -14.1° | 86.2 | 89% | 40 | 61.7 |
| Feb | 5.2° | -3.7° | -12.7° | 71.4 | 86% | 55 | 65.2 |
| Mar | 9.9° | -0.5° | -11.8° | 70.4 | 84% | 100 | 62.9 |
| Apr | 16.7° | 4.3° | -4.2° | 71.7 | 84% | 134 | 54.5 |
| May | 22.5° | 9.4° | 0.3° | 86.2 | 85% | 158 | 49 |
| Jun | 24.8° | 14.1° | 5.7° | 90.9 | 88% | 149 | 41.4 |
| Jul | 27.7° | 18.1° | 10.5° | 134.2 | 90% | 138 | 34.7 |
| Aug | 28.6° | 20.3° | 12.7° | 168 | 88% | 131 | 73 |
| Sep | 27.3° | 17.6° | 8.1° | 139.2 | 83% | 112 | 75.5 |
| Oct | 21.2° | 11.8° | 1.8° | 114.7 | 80% | 84 | 51.4 |
| Nov | 16.4° | 5.1° | -5.7° | 119.1 | 83% | 47 | 54.7 |
| Dec | 11.9° | -1.3° | -10.1° | 112.8 | 88% | 34 | 59.4 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-21.
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