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Weather & Climate in Mars Hill, ME
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mars Hill has a cool climate with an average annual temperature of 39°F (4°C). Winters average 9°F in January while summers reach 64°F in July. The area gets 240 sunny days per year, above the national average. Annual precipitation totals 43.1 inches. Air quality is rated Good with a median AQI of 34. The city sits at an elevation of 433 feet.
Temperature
9°F Jan (-13°C)
64°F Jul (18°C)
| Annual Average | 38.6°F |
| 29% below US avg | |
| January Average | 9°F (-13°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 240 days/yr |
Geography
| Elevation | 433 ft (132 m) |
| Area | 2.2 sq mi (5.6 km²) |
| Population Density | 439/sq mi |
| Coordinates | 46.5192°N, 67.8697°W |
| Timezone | America/New_York |
| County | Aroostook County County |
| Nearest Airport | Presque Isle International (PQI) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 80.4 / 100 |
| Social Vulnerability | 67.6 / 100 |
| Community Resilience | 51.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Very High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
54 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jul 15, 1998 | 84 km W of Miramichi, Canada | M4.0 | 111 km | 5 km |
| May 6, 1995 | 83 km W of Miramichi, Canada | M3.9 | 111 km | 5 km |
| Jul 14, 2006 | 13 km SW of Winterville, Maine | M3.9 | 74 km | 14 km |
| Jul 14, 1994 | 83 km W of Miramichi, Canada | M3.8 | 111 km | 5 km |
| Jan 5, 2005 | 81 km W of Miramichi, Canada | M3.7 | 113 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.6 | 138 km | 5 km |
| Sep 16, 1994 | 7 km SE of Lee, Maine | M3.6 | 138 km | 5 km |
| Jun 1, 2006 | 19 km NE of Florenceville-Bristol, Canada | M3.6 | 33 km | 5 km |
| Mar 8, 2009 | 72 km NNE of Noonan, Canada | M3.6 | 120 km | 5 km |
| Aug 27, 2015 | 27 km N of Noonan, Canada | M3.6 | 104 km | 5 km |
| Oct 18, 2003 | 48 km ESE of Hamlin, Maine | M3.5 | 70 km | 18 km |
| Mar 30, 1990 | 6 km WSW of Grand Isle, Maine | M3.5 | 89 km | 18 km |
| Dec 12, 1990 | 83 km W of Miramichi, Canada | M3.5 | 111 km | 5 km |
| Apr 28, 2014 | 81 km W of Miramichi, Canada | M3.4 | 113 km | 5 km |
| Apr 23, 1991 | 83 km W of Miramichi, Canada | M3.3 | 111 km | 5 km |
| Feb 9, 2016 | 7 km NE of Vanceboro, Maine | M3.3 | 109 km | 1 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 138 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 138 km | 5 km |
| Mar 8, 2009 | 71 km NNE of Noonan, Canada | M3.3 | 124 km | 5 km |
| Aug 28, 2013 | 84 km W of Miramichi, Canada | M3.2 | 110 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
32 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 fatality, 3 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 30, 1971 | EF2 | 92 km | 13.3 mi | 0 |
| Aug 15, 1958 | EF2 | 77 km | 17.0 mi | 0 |
| Sep 16, 1957 | EF2 | 87 km | 2.7 mi | 0 |
| Aug 11, 1954 | EF2 | 57 km | 1.0 mi | 1 |
| Aug 5, 2017 | EF1 | 78 km | 0.5 mi | 0 |
| May 31, 2009 | EF1 | 11 km | 2.8 mi | 0 |
| May 31, 2009 | EF1 | 10 km | 7.0 mi | 0 |
| May 24, 2009 | EF1 | 84 km | 2.7 mi | 0 |
| Jul 4, 2002 | EF1 | 34 km | 1.0 mi | 0 |
| Jul 24, 2001 | EF1 | 75 km | 16.0 mi | 0 |
| Jun 18, 1994 | EF1 | 41 km | 10.0 mi | 0 |
| Jul 1, 1971 | EF1 | 45 km | 1.0 mi | 0 |
| Sep 21, 1965 | EF1 | 45 km | 0.1 mi | 0 |
| May 19, 1963 | EF1 | 44 km | 1.5 mi | 0 |
| Jul 18, 1961 | EF1 | 28 km | 0.5 mi | 0 |
| Jun 29, 1961 | EF1 | 79 km | 0.5 mi | 0 |
| Aug 29, 1960 | EF1 | 41 km | 9.7 mi | 0 |
| Aug 15, 1959 | EF1 | 13 km | 1.0 mi | 0 |
| Jul 18, 2016 | EF0 | 52 km | 0.1 mi | 0 |
| May 26, 2014 | EF0 | 42 km | 0.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 9°F (-13°C) | 2.8 in | Coldest |
| February | 12°F (-11°C) | 2.0 in | Driest |
| March | 23°F (-5°C) | 2.4 in | |
| April | 37°F (3°C) | 2.6 in | |
| May | 50°F (10°C) | 3.5 in | |
| June | 60°F (15°C) | 3.5 in | |
| July | 64°F (18°C) | 4.0 in | Warmest, Wettest |
| August | 63°F (17°C) | 4.0 in | |
| September | 54°F (12°C) | 3.6 in | |
| October | 43°F (6°C) | 3.4 in | |
| November | 32°F (-0°C) | 3.2 in | |
| December | 17°F (-9°C) | 3.0 in |
Mars Hill has a seasonal temperature swing of 55°F / from 9°F in January to 64°F in July. Total annual precipitation is 38.0 inches, with July being the wettest month (4.0") and February the driest (2.0").