Rumoi, Hokkaido Climate
Japan
Pop. 26,454 Elev. 35 m / 115 ft
TZ: Asia/Tokyo (UTC+9) ·
Rumoi sees mild summers peaking at 81°F (27°C) in July, and frigid winters that bottom out around 21°F (-6°C) in January. Humidity pushes the summer feels-like temperature to around 88°F (31°C). Precipitation occurs on roughly 68 days per year (43.0 in / 1092 mm total), with snow on 19 days and 138 in (3517 mm) of annual accumulation. The city averages 54 sunny days per year and around 33 thunderstorm days. Ocean water temperatures reach 79°F (26°C) in summer.
| Temperature | 27°C (81°F) high | -6°C (21°F) low |
| Feels like | 31°C (88°F) high | -8°C (17°F) low |
| Rain | 68 days | 1092 mm (43.0 in) /yr |
| Snow | 19 days | 3517 mm (138.5 in) /yr |
| Sky | 54 sunny | 33 stormy |
| Wind | 1.2 m/s (2.8 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Jun, Jul
Sky & Air by Month
Cloud cover (%)
68
Jan 68
Feb 71
Mar 70
Apr 58
May 65
Jun 63
Jul 71
Aug 58
Sep 66
Oct 68
Nov 79
Dec Humidity (%)
82
Jan 77
Feb 75
Mar 78
Apr 73
May 81
Jun 81
Jul 83
Aug 77
Sep 76
Oct 78
Nov 79
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 71 km Asahikawa Airport (AKJ)
Ski resort 11 km 望洋台スキー場
National park 113 km 大雪山国立公園
Mountain peak
(1,726 m) 93 km 芦別岳
Hospital 2 km 留萌記念病院
Hiking trail 119 km 札幌岳冷水ルート
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | -1°C 30°F | -6°C 21°F | 2 mm 0.1 in | 636 mm25.0 in | 3 |
| February | 0°C 32°F | -6°C 21°F | 1 mm 0.0 in | 703 mm27.7 in | 2 |
| March | 2°C 36°F | -3°C 26°F | 41 mm 1.6 in | 623 mm24.5 in | 4 |
| April | 9°C 49°F | 3°C 37°F | 116 mm 4.6 in | 43 mm1.7 in | 4 |
| May | 16°C 61°F | 9°C 48°F | 69 mm 2.7 in | — | 11 |
| June | 21°C 71°F | 15°C 59°F | 96 mm 3.8 in | — | 7 |
| July | 27°C 81°F | 22°C 71°F | 88 mm 3.5 in | — | 6 |
| August | 26°C 80°F | 20°C 69°F | 198 mm 7.8 in | — | 3 |
| September | 23°C 73°F | 15°C 60°F | 182 mm 7.2 in | — | 10 |
| October | 13°C 56°F | 7°C 45°F | 136 mm 5.3 in | 7 mm0.3 in | 3 |
| November | 6°C 44°F | 1°C 34°F | 124 mm 4.9 in | 351 mm13.8 in | 1 |
| December | 1°C 34°F | -3°C 26°F | 39 mm 1.5 in | 1155 mm45.5 in | 0 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 3 | 0 |
| February | 2 | 0 |
| March | 4 | 2 |
| April | 4 | 0 |
| May | 11 | 2 |
| June | 7 | 3 |
| July | 6 | 3 |
| August | 3 | 8 |
| September | 10 | 2 |
| October | 3 | 2 |
| November | 1 | 7 |
| December | 0 | 4 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 8°C 46°F | 0°C 32°F |
| February | 8°C 46°F | 0°C 32°F |
| March | 7°C 44°F | 0°C 32°F |
| April | 9°C 48°F | 2°C 35°F |
| May | 14°C 58°F | 7°C 44°F |
| June | 21°C 69°F | 16°C 61°F |
| July | 25°C 77°F | 25°C 76°F |
| August | 26°C 79°F | 25°C 77°F |
| September | 24°C 76°F | 20°C 68°F |
| October | 21°C 71°F | 13°C 56°F |
| November | 15°C 59°F | 7°C 44°F |
| December | 9°C 49°F | 2°C 35°F |