All Countries
Weather & Climate in Hamatonbetsu, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hamatonbetsu has a cool climate with an average annual temperature of 41°F (5°C). Winters average 16°F in January while summers reach 61°F in July. The area gets 259 sunny days per year, above the national average. Annual precipitation totals 42.4 inches. The area receives 15.7 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 20 feet.
Temperature
16°F Jan (-9°C)
61°F Jul (16°C)
| Annual Average | 40.5°F |
| 25% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 153.9 sq mi (398.5 km²) |
| Population Density | 25/sq mi |
| Coordinates | 45.1333°N, 142.3833°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
299 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Jan 11, 2016 | 74 km NW of Rumoi, Japan | M6.2 | 126 km | 239 km |
| Oct 21, 2011 | 16 km NE of Asahikawa, Japan | M6.1 | 138 km | 187 km |
| Jun 16, 1992 | 50 km NE of Makubetsu, Japan | M6.0 | 64 km | 317 km |
| Feb 19, 2003 | 26 km NNE of Rumoi, Japan | M5.9 | 119 km | 214 km |
| Jul 2, 2022 | 58 km SSE of Shebunino, Russia | M5.9 | 91 km | 309 km |
| Mar 10, 1995 | 78 km SE of Korsakov, Russia | M5.7 | 139 km | 350 km |
| Aug 20, 1990 | 42 km SE of Shebunino, Russia | M5.7 | 118 km | 309 km |
| Feb 9, 1993 | 38 km NNE of Makubetsu, Japan | M5.6 | 73 km | 307 km |
| Jun 23, 2023 | 94 km NE of Hamatonbetsu, Japan | M5.6 | 95 km | 314 km |
| Feb 9, 2002 | 61 km S of Korsakov, Russia | M5.5 | 109 km | 349 km |
| Jan 22, 2013 | 77 km SSW of Rishiri Town, Japan | M5.4 | 134 km | 235 km |
| Jan 24, 1993 | 51 km NNE of Makubetsu, Japan | M5.3 | 73 km | 306 km |
| Apr 23, 2017 | 37 km SE of Shebunino, Russia | M5.2 | 117 km | 10 km |
| Sep 26, 2003 | 45 km SSE of Korsakov, Russia | M5.2 | 136 km | 346 km |
| Nov 25, 2013 | 51 km N of Wakkanai, Japan | M5.1 | 97 km | 20 km |
| Sep 22, 2012 | 39 km S of Shebunino, Russia | M5.1 | 111 km | 319 km |
| Jul 5, 2024 | 10 km WNW of Nayoro, Japan | M5.1 | 85 km | 232 km |
| Nov 10, 1990 | 23 km W of Nayoro, Japan | M5.1 | 87 km | 16 km |
| May 21, 2013 | 83 km ESE of Makubetsu, Japan | M5.1 | 36 km | 273 km |
| Aug 19, 2011 | 76 km NE of Makubetsu, Japan | M5.1 | 84 km | 308 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1863 | NW. HOKKAIDO ISLAND | Earthquake | — | — | 91 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Taisetsuzan (168 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Taisetsuzan | Stratovolcano(es) | 2,291 m (7,516 ft) | 1739 | 168 km |
| Tokachidake | Stratovolcano(es) | 2,077 m (6,814 ft) | 2004 | 192 km |
| Maruyama | Stratovolcano(es) | 2,013 m (6,604 ft) | 1898 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 3.1 in | |
| February | 16°F (-9°C) | 2.2 in | Coldest, Driest |
| March | 25°F (-4°C) | 2.4 in | |
| April | 38°F (3°C) | 2.3 in | |
| May | 47°F (8°C) | 2.8 in | |
| June | 54°F (12°C) | 2.7 in | |
| July | 61°F (16°C) | 3.7 in | |
| August | 65°F (19°C) | 5.2 in | Warmest, Wettest |
| September | 59°F (15°C) | 5.2 in | |
| October | 48°F (9°C) | 4.8 in | |
| November | 34°F (1°C) | 4.3 in | |
| December | 23°F (-5°C) | 3.7 in |
Hamatonbetsu has a seasonal temperature swing of 49°F / from 16°F in February to 65°F in August. Total annual precipitation is 42.4 inches, with August being the wettest month (5.2") and February the driest (2.2").