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Weather & Climate in Bunker Hill, OR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bunker Hill experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 47°F in January while summers reach 60°F in July / relatively mild seasonal variation. The area gets 259 sunny days per year, above the national average. Annual precipitation totals 59.1 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 75 feet.
Temperature
47°F Jan (9°C)
60°F Jul (15°C)
| Annual Average | 53.0°F |
| 2% below US avg | |
| January Average | 47°F (9°C) |
| July Average | 60°F (15°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 75 ft (23 m) |
| Area | 1.5 sq mi (3.8 km²) |
| Population Density | 1,160/sq mi |
| Coordinates | 43.3474°N, 124.2123°W |
| Timezone | America/Los_Angeles |
| County | Coos County County |
| Nearest Airport | Southwest Oregon Regional (OTH) 5 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 91.9 / 100 |
| Social Vulnerability | 67.2 / 100 |
| Community Resilience | 48.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | No Rating |
| Landslide | Relatively Moderate |
| Coastal Flood | Relatively High |
| Tsunami | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
109 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.
| Jul 28, 2010 | 129 km WNW of Barview, Oregon | M5.2 | 137 km | 10 km |
| Oct 18, 2024 | 121 km WNW of Barview, Oregon | M5.0 | 130 km | 8 km |
| Jul 12, 2004 | 30 km W of Yachats, Oregon | M4.9 | 112 km | 29 km |
| Aug 19, 2004 | 19 km W of Newport, Oregon | M4.7 | 147 km | 27 km |
| Feb 26, 2009 | 37 km NW of Selma, Oregon | M4.2 | 93 km | 37 km |
| Apr 14, 2022 | 132 km WNW of Langlois, Oregon | M4.2 | 150 km | 10 km |
| Jul 4, 2015 | 16 km ENE of Springfield, Oregon | M4.1 | 138 km | 8 km |
| Apr 15, 2017 | 43 km WNW of Yachats, Oregon | M3.9 | 125 km | 38 km |
| May 14, 2000 | 121 km W of Winchester Bay, Oregon | M3.9 | 129 km | 10 km |
| Apr 22, 2008 | 123 km W of Bandon, Oregon | M3.9 | 137 km | 10 km |
| Jan 24, 2014 | 31 km SSE of Powers, Oregon | M3.8 | 84 km | 4 km |
| Apr 22, 2008 | 126 km W of Langlois, Oregon | M3.8 | 147 km | 10 km |
| Apr 26, 2018 | 108 km WNW of Barview, Oregon | M3.8 | 116 km | 10 km |
| Mar 20, 2012 | 29 km WNW of Yachats, Oregon | M3.7 | 117 km | 33 km |
| Jul 3, 1992 | 57 km W of Waldport, Oregon | M3.6 | 138 km | 21 km |
| Apr 24, 2008 | 125 km W of Bandon, Oregon | M3.6 | 141 km | 10 km |
| Apr 5, 2004 | 70 km W of Gold Beach, Oregon | M3.5 | 139 km | 10 km |
| Jan 8, 1998 | 130 km W of Langlois, Oregon | M3.5 | 149 km | 10 km |
| Jul 3, 2010 | near the coast of Oregon | M3.5 | 97 km | 34 km |
| Nov 30, 2012 | 9 km NNW of Brookings, Oregon | M3.3 | 136 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
2 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF0.
| Date | Rating | Distance | Path | Fatalities |
| Jun 18, 2013 | EF0 | 65 km | 0.1 mi | 0 |
| Oct 24, 2010 | EF0 | 78 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Cinnamon Butte (171 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 171 km |
| Crater Lake | Caldera | 2,487 m (8,159 ft) | -2850 | 176 km |
| Davis Lake | Volcanic field | 2,163 m (7,096 ft) | -2790 | 195 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
19 wildfires (100+ acres) recorded within 100 km. Largest: BIG WINDY COMPLEX (28,911 acres, 2013).
| Year | Name | Acres Burned | Distance |
| 2013 | BIG WINDY COMPLEX | 28,911 | 88 km |
| 2013 | DADS | 25,216 | 90 km |
| 2013 | NORTH RABBIT | 25,085 | 78 km |
| 2023 | ANVIL | 22,261 | 67 km |
| 2022 | RUM CREEK | 21,492 | 96 km |
| 2017 | DFPA HORSE PRAIRIE | 17,066 | 74 km |
| 2005 | BLOSSOM | 15,247 | 76 km |
| 2019 | MP 97 | 13,579 | 92 km |
| 1987 | HOWARD CRK | 13,473 | 94 km |
| 2023 | COUGAR CR. #1 | 6,971 | 50 km |
| 1987 | CANYON MT | 5,959 | 92 km |
| 1987 | UPPER MYRTLE CREEK | 3,992 | 92 km |
| 1987 | FALL CREEK | 3,366 | 93 km |
| 1987 | FROZEN CR | 3,182 | 85 km |
| 2015 | CABLE CROSSING | 2,155 | 99 km |
| 1987 | 87732084 | 2,059 | 88 km |
| 1987 | BUCK CR | 1,596 | 82 km |
| 1999 | AUSTA | 1,525 | 86 km |
| 2023 | LIGHTHOUSE RD #3 | 1,286 | 58 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (9°C) | 10.0 in | |
| February | 47°F (9°C) | 8.1 in | |
| March | 48°F (9°C) | 7.9 in | |
| April | 50°F (10°C) | 5.3 in | |
| May | 54°F (12°C) | 3.3 in | |
| June | 57°F (14°C) | 1.7 in | |
| July | 60°F (15°C) | 0.5 in | Driest |
| August | 61°F (16°C) | 0.9 in | Warmest |
| September | 60°F (15°C) | 1.9 in | |
| October | 55°F (13°C) | 4.6 in | |
| November | 49°F (10°C) | 10.2 in | |
| December | 46°F (8°C) | 10.7 in | Coldest, Wettest |
Bunker Hill has a seasonal temperature swing of 15°F / from 46°F in December to 61°F in August. Total annual precipitation is 65.0 inches, with December being the wettest month (10.7") and July the driest (0.5").