Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Manchester experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 26°F in January while summers reach 73°F in July. The area gets 253 sunny days per year, above the national average. Annual precipitation totals 45.5 inches. The area receives 10.8 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 272 feet.
Temperature
26°F Jan (-3°C)73°F Jul (23°C)
Annual Average
50.0°F
7% below US avg
January Average
26°F (-3°C)
July Average
73°F (23°C)
Sunny Days
253 days/yr
Geography
Elevation
272 ft (83 m)
Area
5.1 sq mi (13.2 km²)
Population Density
3,609/sq mi
Coordinates
41.7759°N, 72.5215°W
Timezone
America/Chicago
Nearest Airport
Bradley International (BDL) 14 miles away
Precipitation & Snow
Annual Rainfall45.5"
20% above US avg
Snowfall10.8"
Wettest Month (May)4.06"
Driest Month (Feb)3.27"
Air Quality
AQI Median
41.0
Rating
Good
Earthquake History
17 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.7.
Oct 2, 1994
6 km W of Hardwick, Massachusetts
M3.7
67 km
10 km
Oct 2, 1994
1 km NW of Hardwick, Massachusetts
M3.3
70 km
10 km
Jun 16, 2000
5 km NE of Granville, Massachusetts
M3.3
44 km
10 km
Jan 12, 2015
0 km NE of Wauregan, Connecticut
M3.3
52 km
5 km
Mar 22, 1996
2 km NE of Bristol, Rhode Island
M3.1
107 km
12 km
Oct 28, 1991
3 km WNW of Stamford, Connecticut
M3.0
118 km
10 km
Sep 28, 2002
2 km N of Wilton, New Hampshire
M2.8
138 km
5 km
Mar 10, 1992
2 km SW of Napeague, New York
M2.8
95 km
10 km
Oct 13, 1999
2 km E of Littleton Common, Massachusetts
M2.7
124 km
2 km
Apr 12, 1991
2 km ENE of North Castle, New York
M2.7
117 km
9 km
Aug 14, 2014
6 km SW of Deep River Center, Connecticut
M2.7
48 km
4 km
Jan 13, 2015
2 km E of Wauregan, Connecticut
M2.6
53 km
9 km
Apr 22, 1996
3 km NE of North Westport, Massachusetts
M2.6
122 km
5 km
Aug 22, 2000
2 km WSW of Brewster Hill, New York
M2.6
100 km
7 km
Jun 7, 2002
3 km NNW of Hopedale, Massachusetts
M2.5
90 km
5 km
Jan 15, 1992
5 km NNE of Tuxedo Park, New York
M2.5
149 km
7 km
Jan 23, 1990
3 km NNW of Boxborough, Massachusetts
M2.5
116 km
5 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
2021
Henri
Category 1
75 mph
294 km
2014
Arthur
Category 1
75 mph
295 km
1991
Bob
Category 2
104 mph
100 km
1985
Gloria
Category 1
86 mph
27 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
255 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 107 fatalities, 2,214 injuries.
Date
Rating
Distance
Path
Fatalities
May 29, 1995
EF4
89 km
11.5 mi
3
Jul 10, 1989
EF4
54 km
3.0 mi
0
Oct 3, 1979
EF4
17 km
11.3 mi
3
Jun 9, 1953
EF4
82 km
34.9 mi
94
Jun 1, 2011
EF3
41 km
37.6 mi
3
Jun 22, 1981
EF3
90 km
7.1 mi
0
Sep 13, 1971
EF3
63 km
0.5 mi
0
Jul 29, 1971
EF3
51 km
0.1 mi
0
Oct 3, 1970
EF3
68 km
35.4 mi
1
May 24, 1962
EF3
56 km
11.6 mi
1
May 10, 1954
EF3
17 km
0.3 mi
0
Jun 9, 1953
EF3
76 km
28.0 mi
0
Aug 21, 1951
EF3
22 km
0.1 mi
0
Aug 18, 2023
EF2
79 km
9.1 mi
0
Jul 11, 2006
EF2
87 km
2.9 mi
0
Jun 23, 2001
EF2
50 km
0.5 mi
0
Aug 8, 1999
EF2
86 km
4.0 mi
0
Jul 3, 1997
EF2
73 km
4.5 mi
0
Jul 3, 1997
EF2
70 km
3.7 mi
0
Jul 10, 1989
EF2
53 km
5.0 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
Highest wave on record: 0.3 m (1 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1964
LONG ISLAND, NY
Meteorological
0.3 m
—
119 km
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
26°F (-3°C)
3.6 in
Coldest
February
28°F (-2°C)
3.3 in
Driest
March
37°F (3°C)
3.8 in
April
48°F (9°C)
4.0 in
May
59°F (15°C)
4.1 in
Wettest
June
67°F (20°C)
3.9 in
July
73°F (23°C)
3.7 in
Warmest
August
71°F (22°C)
3.7 in
September
64°F (18°C)
3.9 in
October
52°F (11°C)
3.7 in
November
43°F (6°C)
4.1 in
December
32°F (-0°C)
3.9 in
Manchester has a seasonal temperature swing of 47°F / from 26°F in January to 73°F in July. Total annual precipitation is 45.5 inches, with May being the wettest month (4.1") and February the driest (3.3").