Iwamizawa, Hokkaido Climate
Japan
Pop. 85,107 Elev. 17 m / 56 ft
TZ: Asia/Tokyo (UTC+9) ·
Iwamizawa sees mild summers peaking at 83°F (28°C) in July, and frigid winters that bottom out around 21°F (-6°C) in February. Humidity pushes the summer feels-like temperature to around 92°F (33°C). Precipitation occurs on roughly 60 days per year (41.9 in / 1065 mm total), with snow on 10 days and 100 in (2529 mm) of annual accumulation. The city averages 61 sunny days per year and around 20 thunderstorm days. Ocean water temperatures reach 77°F (25°C) in summer.
| Temperature | 28°C (83°F) high | -6°C (21°F) low |
| Feels like | 33°C (92°F) high | -6°C (21°F) low |
| Rain | 60 days | 1065 mm (41.9 in) /yr |
| Snow | 10 days | 2529 mm (99.5 in) /yr |
| Sky | 61 sunny | 20 stormy |
| Wind | 1.1 m/s (2.5 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 (%)
62
Jan 59
Feb 69
Mar 72
Apr 59
May 65
Jun 68
Jul 69
Aug 60
Sep 62
Oct 59
Nov 75
Dec Humidity (%)
76
Jan 75
Feb 71
Mar 74
Apr 70
May 77
Jun 80
Jul 83
Aug 78
Sep 75
Oct 76
Nov 79
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 32 km Sapporo Okadama Airport (OKD)
Ski resort 5 km 北海道グリーンランド ホワイトパーク
National park 101 km 大雪山国立公園
Mountain peak
(1,667 m) 42 km 夕張岳
Hospital 0 km 岩見沢市立総合病院
Hiking trail 56 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 | 0°C 32°F | -6°C 22°F | 8 mm 0.3 in | 549 mm21.6 in | 4 |
| February | 0°C 33°F | -6°C 21°F | 3 mm 0.1 in | 522 mm20.6 in | 5 |
| March | 4°C 39°F | -2°C 28°F | 44 mm 1.7 in | 446 mm17.6 in | 4 |
| April | 12°C 53°F | 4°C 39°F | 126 mm 5.0 in | 21 mm0.8 in | 5 |
| May | 19°C 65°F | 9°C 48°F | 63 mm 2.5 in | — | 8 |
| June | 24°C 75°F | 15°C 60°F | 97 mm 3.8 in | — | 6 |
| July | 28°C 83°F | 21°C 69°F | 103 mm 4.0 in | — | 4 |
| August | 27°C 81°F | 20°C 68°F | 141 mm 5.6 in | — | 3 |
| September | 24°C 74°F | 14°C 58°F | 217 mm 8.6 in | — | 8 |
| October | 14°C 57°F | 6°C 43°F | 106 mm 4.2 in | 17 mm0.7 in | 8 |
| November | 7°C 45°F | 0°C 33°F | 113 mm 4.5 in | 188 mm7.4 in | 5 |
| December | 1°C 34°F | -5°C 24°F | 43 mm 1.7 in | 786 mm30.9 in | 1 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 4 | 1 |
| February | 5 | 0 |
| March | 4 | 1 |
| April | 5 | 1 |
| May | 8 | 1 |
| June | 6 | 2 |
| July | 4 | 3 |
| August | 3 | 5 |
| September | 8 | 2 |
| October | 8 | 1 |
| November | 5 | 3 |
| December | 1 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 7°C 45°F | 0°C 33°F |
| February | 6°C 44°F | 0°C 33°F |
| March | 6°C 42°F | 0°C 33°F |
| April | 8°C 46°F | 3°C 38°F |
| May | 14°C 57°F | 10°C 51°F |
| June | 20°C 69°F | 20°C 68°F |
| July | 25°C 77°F | 26°C 78°F |
| August | 25°C 77°F | 25°C 77°F |
| September | 24°C 75°F | 21°C 70°F |
| October | 21°C 69°F | 14°C 57°F |
| November | 14°C 58°F | 7°C 44°F |
| December | 8°C 47°F | 2°C 36°F |