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Weather & Climate in Machias, ME
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Machias has a cool climate with an average annual temperature of 44°F (7°C). Winters average 19°F in January while summers reach 66°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 50.8 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 34. The city sits at an elevation of 71 feet.
Temperature
19°F Jan (-7°C)
66°F Jul (19°C)
| Annual Average | 44.0°F |
| 19% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 71 ft (22 m) |
| Area | 2.6 sq mi (6.7 km²) |
| Population Density | 517/sq mi |
| Coordinates | 44.7006°N, 67.4786°W |
| Timezone | America/New_York |
| County | Washington County County |
| Nearest Airport | Bangor International (BGR) 67 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 47.6 / 100 |
| Social Vulnerability | 86.4 / 100 |
| Community Resilience | 80.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Moderate |
| 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 Moderate |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
40 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Sep 16, 1994 | 7 km SE of Lee, Maine | M3.6 | 89 km | 5 km |
| Feb 2, 2016 | 8 km E of Lubec, Maine | M3.6 | 51 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.6 | 88 km | 5 km |
| Jul 1, 2015 | 30 km NNW of Yarmouth, Canada | M3.5 | 119 km | 5 km |
| Jan 10, 2019 | 22 km NW of Saint John, Canada | M3.4 | 120 km | 5 km |
| Oct 25, 2001 | 4 km S of Howland, Maine | M3.3 | 109 km | 9 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 88 km | 5 km |
| Sep 16, 1994 | 9 km SE of Lee, Maine | M3.3 | 88 km | 5 km |
| Jan 14, 2023 | 7 km ESE of Dedham, Maine | M3.3 | 87 km | 10 km |
| Feb 9, 2016 | 7 km NE of Vanceboro, Maine | M3.3 | 101 km | 1 km |
| Jul 25, 2010 | 35 km S of Fundy Bay, Canada | M3.2 | 59 km | 5 km |
| Oct 15, 2003 | 11 km E of Saint Andrews, Canada | M3.1 | 62 km | 18 km |
| Mar 30, 2010 | 7 km WSW of Dedham, Maine | M3.0 | 101 km | 4 km |
| Aug 17, 2022 | 3 km SE of Centerville, Maine | M3.0 | 13 km | 5 km |
| Mar 14, 2018 | 16 km WNW of Saint John, Canada | M2.9 | 121 km | 2 km |
| Jan 17, 2021 | 4 km ESE of Centerville, Maine | M2.9 | 12 km | 5 km |
| Aug 11, 2022 | Maine | M2.8 | 11 km | 4 km |
| Aug 11, 2022 | 4 km E of Centerville, Maine | M2.8 | 12 km | 6 km |
| Jul 29, 2010 | 5 km WNW of Northfield, Maine | M2.7 | 20 km | 4 km |
| Mar 25, 2011 | 6 km NNE of Burlington, Maine | M2.7 | 94 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
4 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2010 | Earl | Category 1 | 75 mph | 237 km |
| 2008 | Kyle | Category 1 | 75 mph | 143 km |
| 2003 | Juan | Category 2 | 98 mph | 293 km |
| 1996 | Hortense | Category 1 | 86 mph | 299 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
10 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 6 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 7, 1971 | EF2 | 93 km | 0.1 mi | 0 |
| Sep 15, 1961 | EF2 | 24 km | 19.1 mi | 0 |
| Aug 16, 1959 | EF2 | 97 km | 2.0 mi | 0 |
| Jul 7, 1954 | EF2 | 68 km | 7.6 mi | 0 |
| Aug 12, 2019 | EF1 | 88 km | 0.2 mi | 0 |
| Jun 10, 1965 | EF1 | 43 km | 1.0 mi | 0 |
| Aug 17, 1959 | EF1 | 74 km | 0.8 mi | 0 |
| Jul 2, 1958 | EF1 | 12 km | 8.9 mi | 0 |
| Jul 2, 1958 | EF1 | 96 km | 2.7 mi | 0 |
| May 29, 1961 | EF0 | 43 km | 4.7 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
4 wildfires (100+ acres) recorded within 100 km. Largest: SUNKEN STR (1,201 acres, 1985).
| Year | Name | Acres Burned | Distance |
| 1985 | SUNKEN STR | 1,201 | 26 km |
| 1984 | UNNAMED | 901 | 17 km |
| 2006 | CENTERVILLE FIRE | 705 | 18 km |
| 2001 | UNNAMED | 627 | 21 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 4.2 in | Coldest |
| February | 21°F (-6°C) | 3.4 in | |
| March | 30°F (-1°C) | 3.9 in | |
| April | 41°F (5°C) | 4.2 in | |
| May | 52°F (11°C) | 4.4 in | |
| June | 60°F (16°C) | 3.4 in | |
| July | 66°F (19°C) | 3.4 in | Warmest |
| August | 65°F (19°C) | 3.1 in | Driest |
| September | 57°F (14°C) | 4.1 in | |
| October | 47°F (8°C) | 4.2 in | |
| November | 37°F (3°C) | 5.2 in | Wettest |
| December | 25°F (-4°C) | 5.1 in |
Machias has a seasonal temperature swing of 47°F / from 19°F in January to 66°F in July. Total annual precipitation is 48.5 inches, with November being the wettest month (5.2") and August the driest (3.1").