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Weather & Climate in Winslow, ME
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Winslow has a cool climate with an average annual temperature of 45°F (7°C). Winters average 19°F in January while summers reach 70°F in July. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 43.4 inches. Air quality is rated Good with a median AQI of 34. The city sits at an elevation of 139 feet.
Temperature
19°F Jan (-7°C)
70°F Jul (21°C)
| Annual Average | 45.2°F |
| 16% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 139 ft (42 m) |
| Area | 6.0 sq mi (15.5 km²) |
| Population Density | 952/sq mi |
| Coordinates | 44.5534°N, 69.6085°W |
| Timezone | America/New_York |
| County | Kennebec County County |
| Nearest Airport | Bangor International (BGR) 42 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 75.2 / 100 |
| Social Vulnerability | 29.4 / 100 |
| Community Resilience | 90.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Coastal Flood | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
38 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Oct 16, 2012 | 5 km W of Hollis Center, Maine | M4.7 | 135 km | 16 km |
| Feb 26, 1999 | 0 km NW of China, Maine | M3.8 | 11 km | 3 km |
| Aug 21, 1996 | 12 km N of Livermore, New Hampshire | M3.8 | 145 km | 10 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.6 | 139 km | 5 km |
| Jan 17, 2000 | 4 km NNE of Dixfield, Maine | M3.6 | 66 km | 16 km |
| Sep 16, 1994 | 7 km SE of Lee, Maine | M3.6 | 138 km | 5 km |
| Jan 3, 2000 | 4 km W of Leeds, Maine | M3.5 | 52 km | 10 km |
| Oct 25, 2001 | 4 km S of Howland, Maine | M3.3 | 103 km | 9 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 139 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 139 km | 5 km |
| Jan 14, 2023 | 7 km ESE of Dedham, Maine | M3.3 | 83 km | 10 km |
| Sep 7, 2000 | 7 km WSW of Liberty, Maine | M3.2 | 29 km | 5 km |
| Sep 5, 1994 | 13 km NNE of Monhegan, Maine | M3.1 | 83 km | 5 km |
| Dec 25, 1999 | 4 km NE of Saint Albans, Maine | M3.0 | 47 km | 5 km |
| Nov 20, 1994 | 4 km WNW of Norway, Maine | M3.0 | 87 km | 5 km |
| Mar 30, 2010 | 7 km WSW of Dedham, Maine | M3.0 | 69 km | 4 km |
| Feb 4, 2022 | 0 km SSW of Gorham, New Hampshire | M2.9 | 126 km | 8 km |
| Feb 12, 1995 | 1 km NNE of Turner, Maine | M2.8 | 60 km | 5 km |
| Jul 28, 2024 | 6 km W of Gardiner, Maine | M2.8 | 41 km | 8 km |
| Mar 9, 2020 | 50 km ESE of Old Orchard Beach, Maine | M2.7 | 142 km | 12 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2008 | Kyle | Category 1 | 75 mph | 284 km |
| 1991 | Bob | Category 1 | — | 229 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
59 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 5 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 9, 2000 | EF2 | 31 km | 3.0 mi | 0 |
| Jul 8, 1996 | EF2 | 42 km | 1.5 mi | 0 |
| Nov 7, 1971 | EF2 | 25 km | 4.1 mi | 0 |
| Jul 31, 1971 | EF2 | 49 km | 0.5 mi | 0 |
| Jul 31, 1971 | EF2 | 34 km | 2.0 mi | 0 |
| Jul 31, 1971 | EF2 | 51 km | 1.9 mi | 0 |
| Aug 20, 1962 | EF2 | 53 km | 0.1 mi | 0 |
| Sep 4, 1961 | EF2 | 28 km | 0.5 mi | 0 |
| Aug 16, 1959 | EF2 | 97 km | 2.0 mi | 0 |
| Jul 15, 2014 | EF1 | 43 km | 2.8 mi | 0 |
| Jun 1, 2011 | EF1 | 87 km | 0.3 mi | 0 |
| Jun 1, 2011 | EF1 | 52 km | 8.4 mi | 0 |
| Jun 5, 2010 | EF1 | 78 km | 4.2 mi | 0 |
| Aug 21, 2009 | EF1 | 86 km | 16.4 mi | 0 |
| Nov 24, 2005 | EF1 | 83 km | 3.8 mi | 0 |
| May 31, 2002 | EF1 | 81 km | 2.1 mi | 0 |
| Jun 17, 2001 | EF1 | 93 km | 0.4 mi | 0 |
| Jul 18, 2000 | EF1 | 85 km | 0.5 mi | 0 |
| Oct 1, 1998 | EF1 | 75 km | 0.5 mi | 0 |
| Jun 21, 1997 | EF1 | 19 km | 0.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.6 m (12 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2008 | MAINE | Avalanche | 3.6 m | — | 84 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 2.9 in | Coldest |
| February | 21°F (-6°C) | 2.6 in | Driest |
| March | 31°F (-1°C) | 3.2 in | |
| April | 43°F (6°C) | 3.5 in | |
| May | 54°F (12°C) | 3.7 in | |
| June | 63°F (17°C) | 3.6 in | |
| July | 70°F (21°C) | 3.4 in | Warmest |
| August | 67°F (19°C) | 3.6 in | |
| September | 58°F (14°C) | 3.4 in | |
| October | 47°F (8°C) | 3.8 in | |
| November | 37°F (3°C) | 4.3 in | Wettest |
| December | 24°F (-5°C) | 3.7 in |
Winslow has a seasonal temperature swing of 51°F / from 19°F in January to 70°F in July. Total annual precipitation is 41.5 inches, with November being the wettest month (4.3") and February the driest (2.6").