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Weather & Climate in Mapleton, OR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mapleton enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 46°F in January while summers reach 67°F in July. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 84.0 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 339 feet.
Temperature
46°F Jan (8°C)
67°F Jul (19°C)
| Annual Average | 55.6°F |
| 3% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 339 ft (103 m) |
| Area | 0.9 sq mi (2.3 km²) |
| Population Density | 586/sq mi |
| Coordinates | 44.0334°N, 123.8648°W |
| Timezone | America/Los_Angeles |
| County | Benton County County |
| Nearest Airport | Mahlon Sweet Field (EUG) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.4 / 100 |
| Social Vulnerability | 18.5 / 100 |
| Community Resilience | 97.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Coastal Flood | No Rating |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
86 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 | 150 km | 20 km |
| Jul 12, 2004 | 30 km W of Yachats, Oregon | M4.9 | 60 km | 29 km |
| Aug 19, 2004 | 19 km W of Newport, Oregon | M4.7 | 78 km | 27 km |
| Jul 4, 2015 | 16 km ENE of Springfield, Oregon | M4.1 | 83 km | 8 km |
| May 14, 2000 | 121 km W of Winchester Bay, Oregon | M3.9 | 146 km | 10 km |
| Apr 15, 2017 | 43 km WNW of Yachats, Oregon | M3.9 | 75 km | 38 km |
| Apr 26, 2018 | 108 km WNW of Barview, Oregon | M3.8 | 141 km | 10 km |
| Jun 8, 1993 | 5 km ESE of Scotts Mills, Oregon | M3.7 | 150 km | 19 km |
| Mar 20, 2012 | 29 km WNW of Yachats, Oregon | M3.7 | 61 km | 33 km |
| Jul 3, 1992 | 57 km W of Waldport, Oregon | M3.6 | 91 km | 21 km |
| May 19, 2019 | 3 km ESE of Rose Lodge, Oregon | M3.6 | 107 km | 44 km |
| Aug 2, 1996 | 4 km S of Scotts Mills, Oregon | M3.5 | 143 km | 29 km |
| Nov 25, 1999 | 5 km NNE of Mount Angel, Oregon | M3.4 | 148 km | 28 km |
| Jul 13, 2004 | 32 km W of Yachats, Oregon | M3.3 | 63 km | 29 km |
| Mar 4, 2006 | 16 km ENE of Siletz, Oregon | M3.3 | 81 km | 43 km |
| Mar 25, 1993 | 5 km ESE of Scotts Mills, Oregon | M3.2 | 149 km | 13 km |
| Jul 21, 2020 | 3 km ESE of Rose Lodge, Oregon | M3.2 | 107 km | 44 km |
| Mar 20, 2012 | 27 km WNW of Yachats, Oregon | M3.2 | 59 km | 29 km |
| Mar 12, 2012 | 27 km W of Yachats, Oregon | M3.1 | 59 km | 26 km |
| Dec 30, 2000 | 7 km NNE of Adair Village, Oregon | M3.1 | 95 km | 62 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
16 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 1 injury.
| Date | Rating | Distance | Path | Fatalities |
| Nov 24, 1989 | EF1 | 63 km | 0.3 mi | 0 |
| Dec 6, 1951 | EF1 | 53 km | 0.3 mi | 0 |
| Oct 31, 2024 | EF0 | 67 km | 0.2 mi | 0 |
| Jun 18, 2023 | EF0 | 70 km | 0.3 mi | 0 |
| Apr 14, 2015 | EF0 | 67 km | 0.1 mi | 0 |
| Jun 18, 2013 | EF0 | 91 km | 0.1 mi | 0 |
| Jun 4, 2009 | EF0 | 74 km | 1.5 mi | 0 |
| Sep 28, 2007 | EF0 | 97 km | 1.0 mi | 0 |
| Dec 2, 1999 | EF0 | 69 km | 2.3 mi | 0 |
| Jun 1, 1997 | EF0 | 77 km | 1.5 mi | 0 |
| Dec 5, 1996 | EF0 | 60 km | 0.5 mi | 0 |
| Oct 24, 1996 | EF0 | 76 km | 0.1 mi | 0 |
| Mar 22, 1994 | EF0 | 91 km | 0.1 mi | 0 |
| Nov 2, 1984 | EF0 | 47 km | 0.1 mi | 0 |
| May 14, 1984 | EF0 | 56 km | 0.1 mi | 0 |
| Aug 18, 1975 | EF0 | 63 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1700 | CASCADIA SUBDUCTION ZONE | Earthquake | — | 2 | 140 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Sand Mountain Field (159 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 159 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 164 km |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 167 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 168 km |
| Davis Lake | Volcanic field | 2,163 m (7,096 ft) | -2790 | 172 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 174 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 179 km |
| Crater Lake | Caldera | 2,487 m (8,159 ft) | -2850 | 187 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km. Largest: COUGAR CR. #1 (6,971 acres, 2023).
| Year | Name | Acres Burned | Distance |
| 2023 | COUGAR CR. #1 | 6,971 | 77 km |
| 1999 | AUSTA | 1,525 | 16 km |
| 2023 | LIGHTHOUSE RD #3 | 1,286 | 76 km |
| 1987 | 87552212 | 1,166 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 12.8 in | |
| February | 44°F (7°C) | 10.2 in | |
| March | 46°F (8°C) | 9.8 in | |
| April | 48°F (9°C) | 6.0 in | |
| May | 53°F (11°C) | 3.9 in | |
| June | 57°F (14°C) | 2.4 in | |
| July | 67°F (19°C) | 0.8 in | Warmest, Driest |
| August | 62°F (17°C) | 1.3 in | |
| September | 60°F (15°C) | 2.7 in | |
| October | 54°F (12°C) | 5.9 in | |
| November | 47°F (8°C) | 12.6 in | |
| December | 42°F (5°C) | 13.9 in | Coldest, Wettest |
Mapleton has a seasonal temperature swing of 25°F / from 42°F in December to 67°F in July. Total annual precipitation is 82.4 inches, with December being the wettest month (13.9") and July the driest (0.8").