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Weather & Climate in Brownville Junction, ME
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Brownville Junction has a cool climate with an average annual temperature of 42°F (6°C). Winters average 15°F in January while summers reach 67°F in July. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 48.3 inches (wetter than the 38-inch national average). The area receives 92.5 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 388 feet.
Temperature
15°F Jan (-9°C)
67°F Jul (19°C)
| Annual Average | 42.4°F |
| 21% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 388 ft (118 m) |
| Area | 0.6 sq mi (1.7 km²) |
| Population Density | 873/sq mi |
| Coordinates | 45.3487°N, 69.0561°W |
| Timezone | America/New_York |
| County | Piscataquis County County |
| Nearest Airport | Bangor International (BGR) 39 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 52.4 / 100 |
| Social Vulnerability | 44.9 / 100 |
| Community Resilience | 68.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Avalanche | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
41 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Feb 26, 1999 | 0 km NW of China, Maine | M3.8 | 103 km | 3 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.6 | 67 km | 5 km |
| Sep 16, 1994 | 7 km SE of Lee, Maine | M3.6 | 65 km | 5 km |
| Jan 17, 2000 | 4 km NNE of Dixfield, Maine | M3.6 | 139 km | 16 km |
| Jan 3, 2000 | 4 km W of Leeds, Maine | M3.5 | 145 km | 10 km |
| Jan 14, 2023 | 7 km ESE of Dedham, Maine | M3.3 | 85 km | 10 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 67 km | 5 km |
| Feb 9, 2016 | 7 km NE of Vanceboro, Maine | M3.3 | 136 km | 1 km |
| Oct 25, 2001 | 4 km S of Howland, Maine | M3.3 | 34 km | 9 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 67 km | 5 km |
| Sep 7, 2000 | 7 km WSW of Liberty, Maine | M3.2 | 113 km | 5 km |
| Dec 25, 1999 | 4 km NE of Saint Albans, Maine | M3.0 | 52 km | 5 km |
| Mar 30, 2010 | 7 km WSW of Dedham, Maine | M3.0 | 79 km | 4 km |
| Aug 17, 2022 | 3 km SE of Centerville, Maine | M3.0 | 133 km | 5 km |
| Jan 17, 2021 | 4 km ESE of Centerville, Maine | M2.9 | 134 km | 5 km |
| Aug 11, 2022 | Maine | M2.8 | 134 km | 4 km |
| Aug 11, 2022 | 4 km E of Centerville, Maine | M2.8 | 133 km | 6 km |
| Jul 28, 2024 | 6 km W of Gardiner, Maine | M2.8 | 139 km | 8 km |
| Sep 25, 2019 | 31 km WNW of Oxbow, Maine | M2.7 | 137 km | 5 km |
| Mar 25, 2011 | 6 km NNE of Burlington, Maine | M2.7 | 54 km | 9 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 | 284 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
37 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 3 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 9, 2000 | EF2 | 75 km | 3.0 mi | 0 |
| Nov 7, 1971 | EF2 | 73 km | 0.1 mi | 0 |
| Nov 7, 1971 | EF2 | 87 km | 4.1 mi | 0 |
| Nov 7, 1971 | EF2 | 44 km | 5.1 mi | 0 |
| Jun 30, 1971 | EF2 | 68 km | 13.3 mi | 0 |
| Aug 20, 1962 | EF2 | 55 km | 0.1 mi | 0 |
| Sep 4, 1961 | EF2 | 79 km | 0.5 mi | 0 |
| Aug 16, 1959 | EF2 | 49 km | 2.0 mi | 0 |
| Sep 16, 1957 | EF2 | 77 km | 2.7 mi | 0 |
| Aug 12, 2019 | EF1 | 86 km | 0.2 mi | 0 |
| Aug 5, 2017 | EF1 | 48 km | 2.5 mi | 0 |
| Aug 5, 2017 | EF1 | 83 km | 0.5 mi | 0 |
| Jul 15, 2014 | EF1 | 56 km | 2.8 mi | 0 |
| Jul 19, 2013 | EF1 | 95 km | 2.1 mi | 0 |
| Jun 1, 2011 | EF1 | 91 km | 8.4 mi | 0 |
| Jul 24, 2001 | EF1 | 94 km | 16.0 mi | 0 |
| Aug 31, 1993 | EF1 | 87 km | 1.0 mi | 0 |
| Jun 28, 1991 | EF1 | 42 km | 0.7 mi | 0 |
| May 23, 1984 | EF1 | 100 km | 0.3 mi | 0 |
| Jul 23, 1978 | EF1 | 94 km | 0.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-9°C) | 3.0 in | Coldest |
| February | 16°F (-9°C) | 2.6 in | Driest |
| March | 26°F (-3°C) | 3.0 in | |
| April | 39°F (4°C) | 3.4 in | |
| May | 51°F (11°C) | 3.6 in | |
| June | 61°F (16°C) | 3.9 in | |
| July | 67°F (19°C) | 3.8 in | Warmest |
| August | 65°F (18°C) | 3.9 in | |
| September | 56°F (13°C) | 3.9 in | |
| October | 44°F (7°C) | 3.6 in | |
| November | 33°F (1°C) | 4.1 in | Wettest |
| December | 20°F (-6°C) | 3.7 in |
Brownville Junction has a seasonal temperature swing of 52°F / from 15°F in January to 67°F in July. Total annual precipitation is 42.4 inches, with November being the wettest month (4.1") and February the driest (2.6").