Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Madison enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 37°F in January while summers reach 79°F in July. The area gets 293 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 47.6 inches (wetter than the 38-inch national average). The area receives 14.1 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 3 feet.
Temperature
37°F Jan (3°C)79°F Jul (26°C)
Annual Average
58.1°F
8% above US avg
January Average
37°F (3°C)
July Average
79°F (26°C)
Sunny Days
293 days/yr
Geography
Elevation
3 ft (1 m)
Area
3.2 sq mi (8.4 km²)
Population Density
45/sq mi
Coordinates
38.5089°N, 76.2042°W
Timezone
America/New_York
County
Dorchester County County
Nearest Airport
Cambridge-Dorchester Regional (CGE) 10 miles away
Precipitation & Snow
Annual Rainfall47.6"
25% above US avg
Snowfall14.1"
Wettest Month (Mar)4.29"
Driest Month (Feb)3.11"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
53.9 / 100
Social Vulnerability
60.6 / 100
Community Resilience
97.5 / 100
Hazard Breakdown
Tornado
Relatively Low
Hurricane
Relatively Moderate
Earthquake
Very Low
Wildfire
Relatively Low
Flood
Very Low
Hail
Very Low
Strong Wind
Relatively Low
Heat Wave
Relatively Low
Winter Weather
Relatively Low
Lightning
Relatively Low
Ice Storm
Relatively Low
Drought
Relatively Moderate
Cold Wave
Relatively Low
Landslide
Very Low
Coastal Flood
Relatively High
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
14 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.6.
Jul 16, 2010
5 km NNW of Barnesville, Maryland
M3.6
134 km
7 km
Oct 23, 1990
3 km W of Hancocks Bridge, New Jersey
M3.2
127 km
10 km
Oct 2, 2010
10 km NNW of Ashland, Virginia
M3.0
136 km
19 km
Aug 3, 1995
13 km N of Williamsburg, Virginia
M2.9
131 km
1 km
Jul 1, 2009
3 km ESE of Pennsville, New Jersey
M2.8
141 km
5 km
Mar 15, 1993
5 km W of Columbia, Maryland
M2.7
100 km
5 km
Oct 28, 1994
1 km E of Mount Vernon, Maryland
M2.7
94 km
—
Jan 13, 1990
6 km ENE of Eldersburg, Maryland
M2.6
118 km
5 km
Jun 25, 2021
2 km SE of Woodlawn, Maryland
M2.6
99 km
3 km
Feb 9, 2023
29 km E of Greenbackville, Virginia
M2.6
113 km
11 km
Jun 25, 2001
8 km S of Remington, Virginia
M2.5
141 km
5 km
Apr 29, 2000
3 km N of Glen Allen, Virginia
M2.5
145 km
5 km
Sep 29, 1997
Virginia
M2.5
113 km
3 km
Mar 10, 1993
3 km WSW of Columbia, Maryland
M2.5
100 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 3.
Year
Name
Category
Max Wind
Closest
2014
Arthur
Category 2
92 mph
248 km
2012
Sandy
Category 1
92 mph
263 km
2011
Irene
Category 1
75 mph
115 km
2003
Isabel
Category 1
75 mph
241 km
1999
Floyd
Category 1
—
190 km
1998
Bonnie
Category 1
86 mph
262 km
1993
Emily
Category 3
115 mph
265 km
1991
Bob
Category 3
115 mph
234 km
1986
Charley
Category 1
81 mph
152 km
1985
Gloria
Category 2
98 mph
149 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
346 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 13 fatalities, 291 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 28, 2002
EF4
85 km
38.0 mi
3
Apr 1, 2023
EF3
56 km
14.3 mi
1
Apr 28, 2002
EF3
13 km
18.0 mi
0
Sep 24, 2001
EF3
82 km
17.5 mi
2
Sep 5, 1979
EF3
82 km
17.9 mi
1
Jan 26, 1978
EF3
95 km
0.7 mi
1
Nov 2, 1966
EF3
77 km
0.1 mi
0
Jun 9, 1961
EF3
85 km
0.1 mi
0
Sep 1, 2021
EF2
51 km
11.4 mi
0
May 3, 2021
EF2
70 km
4.4 mi
0
Aug 4, 2020
EF2
99 km
15.6 mi
0
Aug 4, 2020
EF2
84 km
3.8 mi
0
Aug 4, 2020
EF2
90 km
35.8 mi
0
Aug 4, 2020
EF2
40 km
1.3 mi
0
Apr 15, 2019
EF2
54 km
6.2 mi
0
Jul 23, 2017
EF2
52 km
2.4 mi
0
Apr 28, 2002
EF2
68 km
3.0 mi
0
Oct 5, 1995
EF2
73 km
2.5 mi
0
May 18, 1995
EF2
44 km
10.0 mi
0
Jul 27, 1994
EF2
65 km
0.8 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: BESTPITCH (7,743 acres, 2017).
Year
Name
Acres Burned
Distance
2017
BESTPITCH
7,743
22 km
2004
RETAINING ECOLOGICAL HEALTH
5,678
18 km
2014
BLACKWATER MARSH WUI BURNS FY14
5,433
19 km
2005
MARSH RX-FWS
4,380
19 km
2007
GUINEA MARSH
4,173
26 km
2009
DOCTORS CREEK
3,686
25 km
1999
FB R O C I
3,525
21 km
2019
MDBWR-FY19-RX-MDWHS SUPPORT
3,197
19 km
2011
COMPARTMENT J
2,775
19 km
2005
ISLAND CREEK
2,729
26 km
2004
UNNAMED
2,156
27 km
1992
UNNAMED
2,038
22 km
2005
VEGETATION RESEARCH
1,926
22 km
2011
THOROFARE
1,850
22 km
1987
UNNAMED
1,692
16 km
2004
ROBBINS FIRE
1,612
21 km
1988
SLAU BCH 2
1,578
90 km
2004
BLACKWATER HAZARD FUEL REDUCTION
1,518
11 km
2009
BECKERS ISLAND
1,398
21 km
2022
ELLIOTTS ISLAND
1,324
27 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
37°F (3°C)
3.7 in
Coldest
February
37°F (3°C)
3.1 in
Driest
March
45°F (7°C)
4.3 in
Wettest
April
54°F (12°C)
3.3 in
May
64°F (18°C)
4.1 in
June
73°F (23°C)
3.5 in
July
79°F (26°C)
4.3 in
Warmest
August
76°F (24°C)
4.1 in
September
70°F (21°C)
3.7 in
October
58°F (15°C)
3.2 in
November
49°F (9°C)
3.3 in
December
40°F (5°C)
3.5 in
Madison has a seasonal temperature swing of 42°F / from 37°F in January to 79°F in July. Total annual precipitation is 43.9 inches, with March being the wettest month (4.3") and February the driest (3.1").