All Countries
Weather & Climate in Molalla, OR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Molalla experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 41°F in January while summers reach 68°F in July. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 46.4 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 364 feet.
Temperature
41°F Jan (5°C)
68°F Jul (20°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 364 ft (111 m) |
| Area | 0.9 sq mi (2.3 km²) |
| Population Density | 4,051/sq mi |
| Coordinates | 45.1493°N, 122.5849°W |
| Timezone | America/Los_Angeles |
| County | Clackamas County County |
| Nearest Airport | Portland International (PDX) 30 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 94.9 / 100 |
| Social Vulnerability | 13.4 / 100 |
| Community Resilience | 69.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
| Coastal Flood | Very Low |
| Volcano | Relatively Moderate |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
974 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 | 13 km | 20 km |
| Aug 19, 2004 | 19 km W of Newport, Oregon | M4.7 | 146 km | 27 km |
| Jun 29, 2002 | 6 km ENE of Government Camp, Oregon | M4.5 | 73 km | 5 km |
| Feb 14, 2011 | 31 km S of Morton, Washington | M4.3 | 129 km | 4 km |
| Jul 14, 2008 | 11 km ESE of Maupin, Oregon | M4.2 | 128 km | 16 km |
| Jul 4, 2015 | 16 km ENE of Springfield, Oregon | M4.1 | 119 km | 8 km |
| Jun 6, 2021 | 6 km NE of Government Camp, Oregon | M3.9 | 73 km | 4 km |
| Apr 24, 2003 | 3 km NW of North Portland, Oregon | M3.9 | 55 km | 17 km |
| Oct 1, 2004 | 37 km NNE of Amboy, Washington | M3.9 | 120 km | -1 km |
| Jan 3, 2018 | 37 km SSE of Morton, Washington | M3.9 | 130 km | 10 km |
| Feb 8, 1995 | 9 km ESE of Hubbard, Oregon | M3.8 | 10 km | 24 km |
| Jun 29, 2002 | 7 km NE of Government Camp, Oregon | M3.8 | 74 km | 5 km |
| Aug 3, 2006 | 2 km WNW of Cherry Grove, Washington | M3.8 | 73 km | 14 km |
| Jun 14, 2007 | 12 km ESE of Maupin, Oregon | M3.8 | 129 km | 18 km |
| Aug 23, 2013 | 24 km SSE of Mossyrock, Washington | M3.7 | 131 km | 14 km |
| Oct 1, 2004 | 36 km NNE of Amboy, Washington | M3.7 | 120 km | -2 km |
| Jun 8, 1993 | 5 km ESE of Scotts Mills, Oregon | M3.7 | 13 km | 19 km |
| Jan 31, 2013 | 3 km ENE of Amboy, Washington | M3.7 | 87 km | 6 km |
| Jul 25, 2006 | 37 km NNE of Amboy, Washington | M3.6 | 120 km | -1 km |
| Jul 31, 2006 | 37 km NNE of Amboy, Washington | M3.6 | 120 km | -1 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
60 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 6 fatalities, 304 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 5, 1972 | EF3 | 50 km | 8.7 mi | 6 |
| Dec 14, 2010 | EF2 | 42 km | 5.0 mi | 0 |
| Dec 8, 1993 | EF2 | 32 km | 6.0 mi | 0 |
| Sep 1, 2017 | EF1 | 63 km | 0.7 mi | 0 |
| Dec 10, 2015 | EF1 | 69 km | 0.8 mi | 0 |
| Jun 13, 2013 | EF1 | 48 km | 0.3 mi | 0 |
| Jan 10, 2008 | EF1 | 60 km | 10.1 mi | 0 |
| Jun 21, 2003 | EF1 | 57 km | 0.3 mi | 0 |
| Oct 9, 2000 | EF1 | 19 km | 0.1 mi | 0 |
| Oct 9, 2000 | EF1 | 3 km | 0.1 mi | 0 |
| Nov 12, 1991 | EF1 | 30 km | 0.2 mi | 0 |
| Nov 12, 1991 | EF1 | 47 km | 0.2 mi | 0 |
| Jun 29, 1989 | EF1 | 82 km | 1.6 mi | 0 |
| Oct 13, 1984 | EF1 | 87 km | 3.0 mi | 0 |
| Aug 16, 1978 | EF1 | 74 km | 0.2 mi | 0 |
| Mar 8, 1960 | EF1 | 48 km | 1.0 mi | 0 |
| Apr 12, 1957 | EF1 | 36 km | 2.5 mi | 0 |
| Oct 11, 2023 | EF0 | 81 km | 0.5 mi | 0 |
| Oct 24, 2022 | EF0 | 25 km | 0.0 mi | 0 |
| Oct 22, 2022 | EF0 | 43 km | 0.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 250.0 m (820 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1980 | WASHINGTON | Explosion | 250.0 m | 61 | 121 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
13 volcanoes within 200 km. Closest: Hood (74 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 74 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 81 km |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 90 km |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 100 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 105 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 113 km |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 121 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 130 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 145 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 148 km |
| Davis Lake | Volcanic field | 2,163 m (7,096 ft) | -2790 | 186 km |
| Newberry | Shield | 2,434 m (7,986 ft) | 690 | 192 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 200 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 | 72 km |
| 2020 | BEACHIE CREEK | 194,619 | 36 km |
| 2020 | RIVERSIDE | 138,190 | 28 km |
| 2003 | BB COMPLEX (BOOTH) | 91,281 | 96 km |
| 2015 | COUNTY LINE 2 | 68,189 | 99 km |
| 2017 | EAGLE CREEK | 48,816 | 72 km |
| 2011 | HIGH CASCADES | 44,498 | 96 km |
| 2021 | BULL COMPLEX | 26,233 | 53 km |
| 2020 | BIG HOLLOW | 24,243 | 97 km |
| 2020 | WHITE RIVER | 17,678 | 91 km |
| 2007 | WSA LIGHTNING COMPLEX (BIDDLE PASS) | 14,147 | 94 km |
| 2012 | WATERFALLS 2 | 12,612 | 82 km |
| 2017 | WHITEWATER | 11,758 | 75 km |
| 2004 | LOG SPRINGS | 8,173 | 95 km |
| 2021 | S-503 FIRE | 7,047 | 91 km |
| 1999 | HE HE | 6,154 | 92 km |
| 2011 | DOLLAR LAKE | 6,069 | 76 km |
| 2014 | 36 PIT | 5,838 | 31 km |
| 2014 | LOGGING UNIT FIRES | 5,720 | 77 km |
| 2006 | CASCADE CREST COMPLEX (PUZZLE) | 5,400 | 86 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 8.9 in | |
| February | 42°F (6°C) | 6.9 in | |
| March | 45°F (7°C) | 6.5 in | |
| April | 49°F (9°C) | 4.7 in | |
| May | 55°F (13°C) | 3.6 in | |
| June | 60°F (15°C) | 2.4 in | |
| July | 68°F (20°C) | 0.9 in | Warmest, Driest |
| August | 65°F (19°C) | 1.3 in | |
| September | 61°F (16°C) | 2.6 in | |
| October | 52°F (11°C) | 4.7 in | |
| November | 44°F (7°C) | 9.0 in | |
| December | 39°F (4°C) | 9.6 in | Coldest, Wettest |
Molalla has a seasonal temperature swing of 29°F / from 39°F in December to 68°F in July. Total annual precipitation is 60.9 inches, with December being the wettest month (9.6") and July the driest (0.9").