Temperature, precipitation, air quality, natural hazards, and monthly weather data.
West Falmouth experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 32°F in January while summers reach 72°F in July. The area gets 282 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 37. The city sits at an elevation of 9 feet.
Temperature
32°F Jan (0°C)72°F Jul (22°C)
Annual Average
51.7°F
4% below US avg
January Average
32°F (0°C)
July Average
72°F (22°C)
Sunny Days
282 days/yr
Geography
Elevation
9 ft (3 m)
Area
3.1 sq mi (8.0 km²)
Population Density
537/sq mi
Coordinates
41.6015°N, 70.6393°W
Timezone
America/New_York
County
Dukes County County
Nearest Airport
New Bedford Regional (EWB) 17 miles away
Precipitation & Snow
Wettest Month (Nov)4.57"
Driest Month (Jul)3.11"
Air Quality
AQI Median
37.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
16.8 / 100
Social Vulnerability
26.8 / 100
Community Resilience
99.7 / 100
Hazard Breakdown
Tornado
Very Low
Hurricane
Relatively Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Very Low
Hail
Very Low
Strong Wind
Very Low
Heat Wave
Very Low
Winter Weather
Very Low
Lightning
Very Low
Ice Storm
Very Low
Drought
Very Low
Cold Wave
Very Low
Landslide
Very Low
Coastal Flood
Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.3.
Jan 12, 2015
0 km NE of Wauregan, Connecticut
M3.3
106 km
5 km
Mar 22, 1996
2 km NE of Bristol, Rhode Island
M3.1
51 km
12 km
Jan 10, 1999
2 km ENE of Merrimac, Massachusetts
M3.1
141 km
2 km
Mar 12, 2002
52 km E of Chatham, Massachusetts
M3.0
109 km
1 km
Jan 10, 1999
1 km NNE of Merrimac, Massachusetts
M3.0
141 km
2 km
Jul 22, 2003
72 km NNE of Provincetown, Massachusetts
M3.0
135 km
10 km
Jan 8, 1998
52 km ENE of Rockport, Massachusetts
M2.9
148 km
25 km
Mar 10, 1992
2 km SW of Napeague, New York
M2.8
139 km
10 km
Oct 11, 1990
5 km NNE of The Pinehills, Massachusetts
M2.7
37 km
13 km
Oct 13, 1999
2 km E of Littleton Common, Massachusetts
M2.7
125 km
2 km
Feb 15, 2018
0 km SE of East Kingston, New Hampshire
M2.7
150 km
7 km
Apr 22, 1996
3 km NE of North Westport, Massachusetts
M2.6
36 km
5 km
Jan 13, 2015
2 km E of Wauregan, Connecticut
M2.6
104 km
9 km
Jun 7, 2002
3 km NNW of Hopedale, Massachusetts
M2.5
98 km
5 km
Jan 23, 1990
3 km NNW of Boxborough, Massachusetts
M2.5
127 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
6 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
247 km
2014
Arthur
Category 1
75 mph
175 km
2008
Kyle
Category 1
86 mph
298 km
1996
Edouard
Category 1
81 mph
214 km
1991
Bob
Category 2
109 mph
67 km
1985
Gloria
Category 1
86 mph
182 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
66 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2. Total: 2 fatalities, 43 injuries.
Date
Rating
Distance
Path
Fatalities
Aug 18, 2023
EF2
81 km
9.1 mi
0
Jul 28, 2014
EF2
94 km
1.9 mi
0
Aug 7, 1986
EF2
70 km
4.0 mi
0
Aug 28, 1970
EF2
22 km
1.0 mi
0
Nov 18, 1967
EF2
46 km
0.1 mi
0
Nov 21, 1956
EF2
77 km
0.1 mi
0
Dec 18, 1951
EF2
27 km
0.1 mi
0
Jun 26, 2024
EF1
75 km
8.6 mi
0
Jun 26, 2024
EF1
59 km
0.6 mi
0
Sep 13, 2023
EF1
79 km
0.2 mi
0
Sep 13, 2023
EF1
91 km
0.2 mi
0
Aug 18, 2023
EF1
72 km
7.6 mi
0
Aug 18, 2023
EF1
69 km
0.4 mi
0
Aug 8, 2023
EF1
19 km
0.9 mi
0
Jul 29, 2023
EF1
68 km
0.2 mi
0
Jul 23, 2019
EF1
33 km
0.3 mi
0
Jul 23, 2019
EF1
48 km
2.8 mi
0
Jul 23, 2019
EF1
30 km
5.5 mi
0
Oct 23, 2018
EF1
61 km
0.8 mi
0
Oct 23, 2018
EF1
75 km
1.5 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km.
Largest: NOMANS AERIAL RX (546 acres, 2008).
Year
Name
Acres Burned
Distance
2008
NOMANS AERIAL RX
546
41 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
32°F (0°C)
4.0 in
February
31°F (-1°C)
3.8 in
Coldest
March
38°F (3°C)
4.1 in
April
46°F (8°C)
4.2 in
May
56°F (13°C)
3.7 in
June
65°F (18°C)
3.4 in
July
72°F (22°C)
3.1 in
Warmest, Driest
August
70°F (21°C)
3.8 in
September
63°F (17°C)
3.7 in
October
53°F (12°C)
3.9 in
November
45°F (7°C)
4.6 in
Wettest
December
35°F (2°C)
4.4 in
West Falmouth has a seasonal temperature swing of 41°F / from 31°F in February to 72°F in July. Total annual precipitation is 46.7 inches, with November being the wettest month (4.6") and July the driest (3.1").