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Weather & Climate in Augusta, ME
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Augusta experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 20°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 41.8 inches. Air quality is rated Good with a median AQI of 34. The city sits at an elevation of 171 feet.
Temperature
20°F Jan (-6°C)
70°F Jul (21°C)
| Annual Average | 46.1°F |
| 15% below US avg | |
| January Average | 20°F (-6°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 171 ft (52 m) |
| Area | 55.1 sq mi (142.8 km²) |
| Population Density | 345/sq mi |
| Coordinates | 44.3349°N, 69.7342°W |
| Timezone | America/New_York |
| County | Kennebec County County |
| Nearest Airport | Knox County Regional (RKD) 37 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
32 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 | 110 km | 16 km |
| Aug 21, 1996 | 12 km N of Livermore, New Hampshire | M3.8 | 130 km | 10 km |
| Feb 26, 1999 | 0 km NW of China, Maine | M3.8 | 23 km | 3 km |
| Jan 17, 2000 | 4 km NNE of Dixfield, Maine | M3.6 | 62 km | 16 km |
| Jan 3, 2000 | 4 km W of Leeds, Maine | M3.5 | 35 km | 10 km |
| Oct 25, 2001 | 4 km S of Howland, Maine | M3.3 | 128 km | 9 km |
| Jan 14, 2023 | 7 km ESE of Dedham, Maine | M3.3 | 99 km | 10 km |
| Sep 7, 2000 | 7 km WSW of Liberty, Maine | M3.2 | 28 km | 5 km |
| Sep 5, 1994 | 13 km NNE of Monhegan, Maine | M3.1 | 66 km | 5 km |
| Mar 30, 2010 | 7 km WSW of Dedham, Maine | M3.0 | 86 km | 4 km |
| Dec 25, 1999 | 4 km NE of Saint Albans, Maine | M3.0 | 73 km | 5 km |
| Nov 20, 1994 | 4 km WNW of Norway, Maine | M3.0 | 70 km | 5 km |
| Feb 4, 2022 | 0 km SSW of Gorham, New Hampshire | M2.9 | 115 km | 8 km |
| Jul 28, 2024 | 6 km W of Gardiner, Maine | M2.8 | 15 km | 8 km |
| Feb 12, 1995 | 1 km NNE of Turner, Maine | M2.8 | 42 km | 5 km |
| Mar 25, 2011 | 6 km NNE of Burlington, Maine | M2.7 | 148 km | 9 km |
| Mar 9, 2020 | 50 km ESE of Old Orchard Beach, Maine | M2.7 | 117 km | 12 km |
| Feb 17, 1995 | 7 km WSW of Greene, Maine | M2.7 | 44 km | 8 km |
| Jan 17, 2018 | 3 km E of Richmond, Maine | M2.7 | 27 km | 9 km |
| Feb 13, 1998 | 1 km SSE of Tamworth, New Hampshire | M2.7 | 133 km | 8 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 | 289 km |
| 1991 | Bob | Category 1 | — | 203 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
70 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 7 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 9, 2000 | EF2 | 55 km | 3.0 mi | 0 |
| Jul 8, 1996 | EF2 | 20 km | 1.5 mi | 0 |
| Nov 7, 1971 | EF2 | 46 km | 4.1 mi | 0 |
| Jul 31, 1971 | EF2 | 35 km | 0.5 mi | 0 |
| Jul 31, 1971 | EF2 | 45 km | 1.9 mi | 0 |
| Jul 31, 1971 | EF2 | 21 km | 2.0 mi | 0 |
| Aug 20, 1962 | EF2 | 78 km | 0.1 mi | 0 |
| Sep 4, 1961 | EF2 | 52 km | 0.5 mi | 0 |
| Jul 1, 2017 | EF1 | 92 km | 0.3 mi | 0 |
| Jul 1, 2017 | EF1 | 92 km | 1.5 mi | 0 |
| Jul 1, 2017 | EF1 | 84 km | 2.5 mi | 0 |
| Jul 15, 2014 | EF1 | 69 km | 2.8 mi | 0 |
| Jun 1, 2011 | EF1 | 76 km | 0.3 mi | 0 |
| Jun 1, 2011 | EF1 | 68 km | 8.4 mi | 0 |
| Jun 5, 2010 | EF1 | 60 km | 4.2 mi | 0 |
| Aug 21, 2009 | EF1 | 70 km | 16.4 mi | 0 |
| Nov 24, 2005 | EF1 | 58 km | 3.8 mi | 0 |
| May 31, 2002 | EF1 | 67 km | 2.1 mi | 0 |
| Jun 17, 2001 | EF1 | 85 km | 0.4 mi | 0 |
| Jul 18, 2000 | EF1 | 78 km | 0.5 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 | — | 60 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-6°C) | 3.1 in | Coldest |
| February | 21°F (-6°C) | 2.7 in | Driest |
| March | 31°F (-1°C) | 3.5 in | |
| April | 42°F (6°C) | 3.7 in | |
| May | 54°F (12°C) | 3.7 in | |
| June | 63°F (17°C) | 3.7 in | |
| July | 70°F (21°C) | 3.4 in | Warmest |
| August | 67°F (20°C) | 3.5 in | |
| September | 58°F (15°C) | 3.4 in | |
| October | 47°F (9°C) | 3.9 in | |
| November | 37°F (3°C) | 4.2 in | Wettest |
| December | 24°F (-4°C) | 3.7 in |
Augusta has a seasonal temperature swing of 50°F / from 20°F in January to 70°F in July. Total annual precipitation is 42.4 inches, with November being the wettest month (4.2") and February the driest (2.7").