Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Madaket experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 33°F in January while summers reach 69°F in July. The area gets 275 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 40.9 inches. Air quality is rated Good with a median AQI of 37. The city sits at an elevation of 6 feet.
Temperature
33°F Jan (1°C)69°F Jul (21°C)
Annual Average
50.7°F
6% below US avg
January Average
33°F (1°C)
July Average
69°F (21°C)
Sunny Days
275 days/yr
Geography
Elevation
6 ft (2 m)
Area
2.4 sq mi (6.1 km²)
Population Density
190/sq mi
Coordinates
41.2824°N, 70.1833°W
Timezone
America/New_York
County
Nantucket County County
Nearest Airport
New Bedford Regional (EWB) 48 miles away
Precipitation & Snow
Annual Rainfall40.9"
8% above US avg
Wettest Month (Dec)4.45"
Driest Month (Jul)2.64"
Air Quality
AQI Median
37.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
38.7 / 100
Social Vulnerability
10.6 / 100
Community Resilience
99.0 / 100
Hazard Breakdown
Tornado
Very Low
Hurricane
Relatively Moderate
Earthquake
Very Low
Wildfire
Very Low
Flood
Very Low
Hail
Very Low
Strong Wind
Very Low
Heat Wave
No Rating
Winter Weather
Very Low
Lightning
Very Low
Ice Storm
Very Low
Drought
Very Low
Cold Wave
Very Low
Landslide
Very Low
Coastal Flood
Relatively Moderate
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.1.
Mar 22, 1996
2 km NE of Bristol, Rhode Island
M3.1
99 km
12 km
Mar 12, 2002
52 km E of Chatham, Massachusetts
M3.0
80 km
1 km
Oct 11, 1990
5 km NNE of The Pinehills, Massachusetts
M2.7
79 km
13 km
Apr 22, 1996
3 km NE of North Westport, Massachusetts
M2.6
86 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
10 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
221 km
2019
Dorian
Category 2
98 mph
254 km
2014
Arthur
Category 1
75 mph
127 km
2009
Bill
Category 1
86 mph
276 km
2008
Kyle
Category 1
86 mph
250 km
2002
Gustav
Category 2
98 mph
276 km
1996
Edouard
Category 1
92 mph
162 km
1993
Emily
Category 2
104 mph
291 km
1991
Bob
Category 2
109 mph
102 km
1985
Gloria
Category 1
86 mph
228 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
20 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2. Total: 1 fatality, 3 injuries.
Date
Rating
Distance
Path
Fatalities
Aug 28, 1970
EF2
69 km
1.0 mi
0
Nov 18, 1967
EF2
97 km
0.1 mi
0
Dec 18, 1951
EF2
31 km
0.1 mi
0
Aug 8, 2023
EF1
71 km
0.9 mi
0
Jul 23, 2019
EF1
40 km
5.5 mi
0
Jul 23, 2019
EF1
41 km
0.3 mi
0
Jul 23, 2019
EF1
46 km
2.8 mi
0
Aug 22, 1977
EF1
44 km
0.1 mi
0
Aug 9, 1968
EF1
40 km
0.1 mi
0
Aug 9, 1968
EF1
76 km
1.0 mi
0
Aug 8, 2023
EF0
47 km
1.2 mi
0
Sep 1, 2021
EF0
51 km
0.1 mi
0
Oct 2, 2019
EF0
95 km
0.2 mi
0
Oct 29, 2018
EF0
49 km
0.1 mi
0
Jul 24, 2012
EF0
80 km
0.0 mi
0
Aug 20, 1997
EF0
87 km
0.1 mi
0
Aug 6, 1997
EF0
88 km
0.1 mi
0
Sep 14, 1972
EF0
73 km
4.1 mi
0
Jun 9, 1965
EF0
69 km
0.1 mi
0
Sep 7, 1958
EF0
96 km
0.1 mi
1
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
53 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
33°F (1°C)
3.7 in
February
33°F (0°C)
3.5 in
Coldest
March
38°F (3°C)
3.5 in
April
45°F (7°C)
3.6 in
May
54°F (12°C)
3.6 in
June
62°F (17°C)
2.8 in
July
69°F (21°C)
2.6 in
Driest
August
69°F (21°C)
3.2 in
Warmest
September
63°F (17°C)
3.4 in
October
54°F (12°C)
3.5 in
November
46°F (8°C)
4.0 in
December
38°F (3°C)
4.5 in
Wettest
Madaket has a seasonal temperature swing of 36°F / from 33°F in February to 69°F in August. Total annual precipitation is 41.9 inches, with December being the wettest month (4.5") and July the driest (2.6").
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