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Weather & Climate in Sweet Home, OR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sweet Home experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 41°F in January while summers reach 66°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 54.5 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 608 feet.
Temperature
41°F Jan (5°C)
66°F Jul (19°C)
| Annual Average | 52.4°F |
| 3% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 608 ft (185 m) |
| Area | 2.2 sq mi (5.7 km²) |
| Population Density | 1,879/sq mi |
| Coordinates | 44.4040°N, 122.7015°W |
| Timezone | America/Los_Angeles |
| County | Linn County County |
| Nearest Airport | Mahlon Sweet Field (EUG) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.1 / 100 |
| Social Vulnerability | 41.4 / 100 |
| Community Resilience | 62.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Volcano | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
154 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.6.
| Mar 25, 1993 | 4 km E of Scotts Mills, Oregon | M5.6 | 71 km | 20 km |
| Jul 12, 2004 | 30 km W of Yachats, Oregon | M4.9 | 142 km | 29 km |
| Aug 19, 2004 | 19 km W of Newport, Oregon | M4.7 | 130 km | 27 km |
| Jun 29, 2002 | 6 km ENE of Government Camp, Oregon | M4.5 | 131 km | 5 km |
| Jul 4, 2015 | 16 km ENE of Springfield, Oregon | M4.1 | 37 km | 8 km |
| Jun 6, 2021 | 6 km NE of Government Camp, Oregon | M3.9 | 131 km | 4 km |
| Apr 24, 2003 | 3 km NW of North Portland, Oregon | M3.9 | 137 km | 17 km |
| Feb 8, 1995 | 9 km ESE of Hubbard, Oregon | M3.8 | 82 km | 24 km |
| Jun 29, 2002 | 7 km NE of Government Camp, Oregon | M3.8 | 132 km | 5 km |
| Mar 20, 2012 | 29 km WNW of Yachats, Oregon | M3.7 | 139 km | 33 km |
| Jun 8, 1993 | 5 km ESE of Scotts Mills, Oregon | M3.7 | 70 km | 19 km |
| Feb 24, 1999 | 8 km WSW of Molalla, Oregon | M3.6 | 80 km | 34 km |
| May 19, 2019 | 3 km ESE of Rose Lodge, Oregon | M3.6 | 112 km | 44 km |
| Sep 8, 2012 | 8 km N of Scotts Mills, Oregon | M3.5 | 80 km | 24 km |
| Aug 2, 1996 | 4 km S of Scotts Mills, Oregon | M3.5 | 66 km | 29 km |
| Oct 19, 1990 | 6 km NE of Government Camp, Oregon | M3.5 | 131 km | 5 km |
| Jul 22, 1991 | 8 km N of Bethany, Oregon | M3.5 | 138 km | 19 km |
| Nov 25, 1999 | 5 km NNE of Mount Angel, Oregon | M3.4 | 80 km | 28 km |
| Apr 7, 2014 | 6 km NW of Sherwood, Oregon | M3.3 | 112 km | 19 km |
| Mar 4, 2006 | 16 km ENE of Siletz, Oregon | M3.3 | 89 km | 43 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
33 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 3 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 14, 2010 | EF2 | 51 km | 5.0 mi | 0 |
| Dec 8, 1993 | EF2 | 99 km | 6.0 mi | 0 |
| Sep 1, 2017 | EF1 | 21 km | 0.7 mi | 0 |
| Jun 13, 2013 | EF1 | 98 km | 0.3 mi | 0 |
| Jun 21, 2003 | EF1 | 62 km | 0.3 mi | 0 |
| Oct 9, 2000 | EF1 | 83 km | 0.1 mi | 0 |
| Nov 24, 1989 | EF1 | 54 km | 0.3 mi | 0 |
| Mar 8, 1960 | EF1 | 43 km | 1.0 mi | 0 |
| Dec 6, 1951 | EF1 | 49 km | 0.3 mi | 0 |
| Jun 18, 2023 | EF0 | 31 km | 0.3 mi | 0 |
| Oct 24, 2022 | EF0 | 86 km | 0.0 mi | 0 |
| Oct 29, 2018 | EF0 | 42 km | 0.1 mi | 0 |
| Oct 12, 2017 | EF0 | 95 km | 0.6 mi | 0 |
| Apr 14, 2015 | EF0 | 51 km | 0.1 mi | 0 |
| Jun 4, 2009 | EF0 | 41 km | 1.5 mi | 0 |
| Sep 28, 2007 | EF0 | 24 km | 1.0 mi | 0 |
| Dec 16, 2006 | EF0 | 71 km | 1.5 mi | 0 |
| Dec 2, 1999 | EF0 | 60 km | 2.3 mi | 0 |
| Oct 3, 1998 | EF0 | 67 km | 0.1 mi | 0 |
| Oct 3, 1998 | EF0 | 96 km | 0.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
13 volcanoes within 200 km. Closest: Sand Mountain Field (61 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 61 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 70 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 78 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 80 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 94 km |
| Davis Lake | Volcanic field | 2,163 m (7,096 ft) | -2790 | 117 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 134 km |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 138 km |
| Newberry | Shield | 2,434 m (7,986 ft) | 690 | 140 km |
| Crater Lake | Caldera | 2,487 m (8,159 ft) | -2850 | 170 km |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 171 km |
| Devils Garden | Volcanic field | 1,698 m (5,571 ft) | Unknown | 178 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: LIONSHEAD (197,732 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | LIONSHEAD | 197,732 | 80 km |
| 2020 | BEACHIE CREEK | 194,619 | 57 km |
| 2020 | HOLIDAY FARM | 174,390 | 32 km |
| 2020 | RIVERSIDE | 138,190 | 89 km |
| 2022 | CEDAR CREEK MF | 136,357 | 84 km |
| 2003 | BB COMPLEX (BOOTH) | 91,281 | 75 km |
| 2023 | BEDROCK | 31,692 | 49 km |
| 2021 | GALES | 31,655 | 54 km |
| 2021 | CHAOS | 29,698 | 98 km |
| 2012 | POLE CREEK | 26,982 | 86 km |
| 2021 | BULL COMPLEX | 26,233 | 73 km |
| 2017 | MR SEPARATION | 25,137 | 73 km |
| 2023 | LOOKOUT | 25,103 | 49 km |
| 2017 | MILLI 0843 CS | 24,074 | 82 km |
| 2002 | EYERLY COMPLEX (EYERLY) | 22,358 | 99 km |
| 2007 | WSA LIGHTNING COMPLEX (BIDDLE PASS) | 14,147 | 93 km |
| 2012 | WATERFALLS 2 | 12,612 | 87 km |
| 2017 | WHITEWATER | 11,758 | 73 km |
| 2018 | TERWILLIGER | 11,400 | 55 km |
| 2017 | JONES | 10,260 | 47 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 8.1 in | |
| February | 43°F (6°C) | 6.5 in | |
| March | 46°F (8°C) | 6.3 in | |
| April | 49°F (10°C) | 4.4 in | |
| May | 55°F (13°C) | 3.4 in | |
| June | 60°F (15°C) | 2.4 in | |
| July | 66°F (19°C) | 0.8 in | Warmest, Driest |
| August | 65°F (19°C) | 1.3 in | |
| September | 61°F (16°C) | 2.2 in | |
| October | 53°F (12°C) | 4.5 in | |
| November | 45°F (7°C) | 9.0 in | Wettest |
| December | 40°F (4°C) | 8.9 in | Coldest |
Sweet Home has a seasonal temperature swing of 27°F / from 40°F in December to 66°F in July. Total annual precipitation is 57.9 inches, with November being the wettest month (9.0") and July the driest (0.8").