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Weather & Climate in Millinocket, ME
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Millinocket has a cool climate with an average annual temperature of 42°F (6°C). Winters average 14°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 45.4 inches. The area receives 86.1 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 34. The city sits at an elevation of 417 feet.
Temperature
14°F Jan (-10°C)
68°F Jul (20°C)
| Annual Average | 42.4°F |
| 21% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 417 ft (127 m) |
| Area | 5.6 sq mi (14.6 km²) |
| Population Density | 725/sq mi |
| Coordinates | 45.6592°N, 68.6981°W |
| Timezone | America/New_York |
| County | Penobscot County County |
| Nearest Airport | Houlton International (HUL) 54 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 78.0 / 100 |
| Social Vulnerability | 31.5 / 100 |
| Community Resilience | 93.5 / 100 |
Hazard Breakdown
| Tornado | Relatively 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 Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Coastal Flood | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
36 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Jul 14, 2006 | 13 km SW of Winterville, Maine | M3.9 | 135 km | 14 km |
| Feb 26, 1999 | 0 km NW of China, Maine | M3.8 | 146 km | 3 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.6 | 56 km | 5 km |
| Jun 1, 2006 | 19 km NE of Florenceville-Bristol, Canada | M3.6 | 141 km | 5 km |
| Sep 16, 1994 | 7 km SE of Lee, Maine | M3.6 | 54 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 56 km | 5 km |
| Jan 14, 2023 | 7 km ESE of Dedham, Maine | M3.3 | 111 km | 10 km |
| Feb 9, 2016 | 7 km NE of Vanceboro, Maine | M3.3 | 105 km | 1 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 56 km | 5 km |
| Oct 25, 2001 | 4 km S of Howland, Maine | M3.3 | 51 km | 9 km |
| Mar 30, 2010 | 7 km WSW of Dedham, Maine | M3.0 | 110 km | 4 km |
| Aug 17, 2022 | 3 km SE of Centerville, Maine | M3.0 | 136 km | 5 km |
| Dec 25, 1999 | 4 km NE of Saint Albans, Maine | M3.0 | 96 km | 5 km |
| Jan 17, 2021 | 4 km ESE of Centerville, Maine | M2.9 | 137 km | 5 km |
| Aug 11, 2022 | Maine | M2.8 | 137 km | 4 km |
| Aug 11, 2022 | 4 km E of Centerville, Maine | M2.8 | 135 km | 6 km |
| Mar 25, 2011 | 6 km NNE of Burlington, Maine | M2.7 | 51 km | 9 km |
| Feb 8, 2016 | 8 km NE of Vanceboro, Maine | M2.7 | 106 km | 1 km |
| Sep 25, 2019 | 31 km WNW of Oxbow, Maine | M2.7 | 102 km | 5 km |
| Jul 29, 2010 | 5 km WNW of Northfield, Maine | M2.7 | 123 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
1 hurricane (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 | 286 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
28 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 3 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 7, 1971 | EF2 | 33 km | 5.1 mi | 0 |
| Nov 7, 1971 | EF2 | 53 km | 0.1 mi | 0 |
| Jun 30, 1971 | EF2 | 25 km | 13.3 mi | 0 |
| Aug 20, 1962 | EF2 | 99 km | 0.1 mi | 0 |
| Aug 16, 1959 | EF2 | 68 km | 2.0 mi | 0 |
| Sep 16, 1957 | EF2 | 35 km | 2.7 mi | 0 |
| Aug 12, 2019 | EF1 | 64 km | 0.2 mi | 0 |
| Aug 5, 2017 | EF1 | 4 km | 2.5 mi | 0 |
| Aug 5, 2017 | EF1 | 38 km | 0.5 mi | 0 |
| Jul 15, 2014 | EF1 | 100 km | 2.8 mi | 0 |
| Jul 19, 2013 | EF1 | 68 km | 2.1 mi | 0 |
| Jul 4, 2002 | EF1 | 83 km | 1.0 mi | 0 |
| Jul 24, 2001 | EF1 | 55 km | 16.0 mi | 0 |
| Aug 31, 1993 | EF1 | 67 km | 1.0 mi | 0 |
| Jun 28, 1991 | EF1 | 82 km | 0.7 mi | 0 |
| Jul 25, 1975 | EF1 | 20 km | 1.8 mi | 0 |
| Aug 17, 1959 | EF1 | 95 km | 2.0 mi | 0 |
| Aug 17, 1959 | EF1 | 95 km | 0.8 mi | 0 |
| Jul 2, 1958 | EF1 | 87 km | 2.7 mi | 0 |
| Jun 6, 1953 | EF1 | 83 km | 0.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 3.2 in | Coldest |
| February | 16°F (-9°C) | 2.5 in | Driest |
| March | 27°F (-3°C) | 2.9 in | |
| April | 39°F (4°C) | 3.4 in | |
| May | 52°F (11°C) | 3.7 in | |
| June | 62°F (16°C) | 3.9 in | Wettest |
| July | 68°F (20°C) | 3.8 in | Warmest |
| August | 65°F (18°C) | 3.9 in | |
| September | 56°F (13°C) | 3.7 in | |
| October | 45°F (7°C) | 3.6 in | |
| November | 34°F (1°C) | 3.9 in | |
| December | 20°F (-7°C) | 3.6 in |
Millinocket has a seasonal temperature swing of 54°F / from 14°F in January to 68°F in July. Total annual precipitation is 42.1 inches, with June being the wettest month (3.9") and February the driest (2.5").