Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bangor has a cool climate with an average annual temperature of 45°F (7°C). Winters average 19°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 41.7 inches. The area receives 74.6 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 217 feet.
Temperature
19°F Jan (-8°C)70°F Jul (21°C)
Annual Average
45.0°F
17% below US avg
January Average
19°F (-8°C)
July Average
70°F (21°C)
Sunny Days
251 days/yr
Geography
Elevation
217 ft (66 m)
Area
34.6 sq mi (89.6 km²)
Population Density
924/sq mi
Coordinates
44.8296°N, 68.7888°W
Timezone
America/New_York
County
Hancock County County
Nearest Airport
Bangor International (BGR) 2 miles away
Precipitation & Snow
Annual Rainfall41.7"
10% above US avg
Snowfall74.6"
Wettest Month (Nov)4.33"
Driest Month (Feb)2.95"
Air Quality
AQI Median
34.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
55.0 / 100
Social Vulnerability
30.2 / 100
Community Resilience
97.5 / 100
Hazard Breakdown
Tornado
Very Low
Hurricane
Relatively Moderate
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Low
Hail
Very Low
Strong Wind
Relatively Low
Heat Wave
Very Low
Winter Weather
Relatively High
Lightning
Relatively Moderate
Ice Storm
Relatively High
Drought
Relatively Low
Cold Wave
Relatively Moderate
Landslide
Relatively Low
Coastal Flood
Relatively Moderate
Avalanche
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
47 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
70 km
3 km
Sep 16, 1994
7 km SE of Lee, Maine
M3.6
69 km
5 km
Sep 16, 1994
9 km SE of Lee, Maine
M3.6
70 km
5 km
Jan 17, 2000
4 km NNE of Dixfield, Maine
M3.6
134 km
16 km
Jan 3, 2000
4 km W of Leeds, Maine
M3.5
124 km
10 km
Feb 9, 2016
7 km NE of Vanceboro, Maine
M3.3
142 km
1 km
Oct 25, 2001
4 km S of Howland, Maine
M3.3
42 km
9 km
Sep 16, 1994
9 km SE of Lee, Maine
M3.3
70 km
5 km
Sep 16, 1994
9 km SE of Lee, Maine
M3.3
70 km
5 km
Jan 14, 2023
7 km ESE of Dedham, Maine
M3.3
25 km
10 km
Sep 7, 2000
7 km WSW of Liberty, Maine
M3.2
71 km
5 km
Sep 5, 1994
13 km NNE of Monhegan, Maine
M3.1
113 km
5 km
Aug 17, 2022
3 km SE of Centerville, Maine
M3.0
92 km
5 km
Dec 25, 1999
4 km NE of Saint Albans, Maine
M3.0
47 km
5 km
Mar 30, 2010
7 km WSW of Dedham, Maine
M3.0
18 km
4 km
Jan 17, 2021
4 km ESE of Centerville, Maine
M2.9
93 km
5 km
Aug 11, 2022
Maine
M2.8
93 km
4 km
Feb 12, 1995
1 km NNE of Turner, Maine
M2.8
132 km
5 km
Jul 28, 2024
6 km W of Gardiner, Maine
M2.8
108 km
8 km
Aug 11, 2022
4 km E of Centerville, Maine
M2.8
93 km
6 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
236 km
1991
Bob
Category 1
-
284 km
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
34 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2. Total: 7 injuries.
Date
Rating
Distance
Path
Fatalities
Aug 9, 2000
EF2
70 km
3.0 mi
0
Nov 7, 1971
EF2
82 km
0.1 mi
0
Nov 7, 1971
EF2
67 km
5.1 mi
0
Nov 7, 1971
EF2
78 km
4.1 mi
0
Aug 20, 1962
EF2
68 km
0.1 mi
0
Sep 4, 1961
EF2
72 km
0.5 mi
0
Aug 16, 1959
EF2
29 km
2.0 mi
0
Aug 12, 2019
EF1
92 km
0.2 mi
0
Aug 5, 2017
EF1
96 km
2.5 mi
0
Jul 15, 2014
EF1
50 km
2.8 mi
0
Jun 1, 2011
EF1
98 km
8.4 mi
0
Jun 21, 1997
EF1
88 km
0.2 mi
0
Jun 28, 1991
EF1
28 km
0.7 mi
0
Aug 14, 1977
EF1
60 km
0.3 mi
0
Aug 11, 1971
EF1
91 km
0.2 mi
0
Oct 3, 1970
EF1
48 km
9.5 mi
0
Aug 8, 1969
EF1
96 km
1.0 mi
0
Jul 1, 1968
EF1
60 km
0.3 mi
0
Jun 10, 1965
EF1
61 km
1.0 mi
0
Jul 1, 1963
EF1
90 km
1.0 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
-
136 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
3 wildfires (100+ acres) recorded within 100 km.
Largest: UNNAMED (901 acres, 1984).
Year
Name
Acres Burned
Distance
1984
UNNAMED
901
98 km
2006
CENTERVILLE FIRE
705
87 km
2001
UNNAMED
627
93 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
19°F (-8°C)
3.5 in
Coldest
February
21°F (-6°C)
3.0 in
Driest
March
31°F (-1°C)
3.5 in
April
42°F (6°C)
3.7 in
May
54°F (12°C)
3.6 in
June
63°F (17°C)
3.6 in
July
70°F (21°C)
3.4 in
Warmest
August
67°F (19°C)
3.4 in
September
58°F (14°C)
3.7 in
October
47°F (8°C)
3.7 in
November
37°F (3°C)
4.3 in
Wettest
December
24°F (-4°C)
4.1 in
Bangor has a seasonal temperature swing of 51°F / from 19°F in January to 70°F in July. Total annual precipitation is 43.7 inches, with November being the wettest month (4.3") and February the driest (3.0").