Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Choptank experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 35°F in January while summers reach 77°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 46.3 inches (wetter than the 38-inch national average). The area receives 12.8 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
35°F Jan (1°C)77°F Jul (25°C)
Annual Average
55.4°F
3% above US avg
January Average
35°F (1°C)
July Average
77°F (25°C)
Sunny Days
293 days/yr
Geography
Elevation
3 ft (1 m)
Area
0.2 sq mi (0.6 km²)
Population Density
475/sq mi
Coordinates
38.6823°N, 75.9494°W
Timezone
America/New_York
County
Caroline County County
Nearest Airport
Cambridge-Dorchester Regional (CGE) 11 miles away
Precipitation & Snow
Annual Rainfall46.3"
22% above US avg
Snowfall12.8"
Wettest Month (Jul)4.33"
Driest Month (Feb)3.03"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
45.7 / 100
Social Vulnerability
58.7 / 100
Community Resilience
56.0 / 100
Hazard Breakdown
Tornado
Very Low
Hurricane
Relatively Moderate
Earthquake
Very Low
Wildfire
Relatively Low
Flood
Very Low
Hail
Relatively Low
Strong Wind
Relatively Moderate
Heat Wave
Relatively Low
Winter Weather
Relatively Moderate
Lightning
Relatively Low
Ice Storm
Relatively Low
Drought
Relatively High
Cold Wave
Relatively Low
Landslide
Very Low
Coastal Flood
Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
12 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
142 km
7 km
Oct 23, 1990
3 km W of Hancocks Bridge, New Jersey
M3.2
100 km
10 km
Jul 1, 2009
3 km ESE of Pennsville, New Jersey
M2.8
114 km
5 km
Mar 15, 1993
5 km W of Columbia, Maryland
M2.7
102 km
5 km
Oct 28, 1994
1 km E of Mount Vernon, Maryland
M2.7
89 km
—
Jan 25, 2015
4 km ESE of Downingtown, Pennsylvania
M2.6
149 km
2 km
Jan 13, 1990
6 km ENE of Eldersburg, Maryland
M2.6
115 km
5 km
Jun 25, 2021
2 km SE of Woodlawn, Maryland
M2.6
95 km
3 km
Jul 5, 1996
2 km NW of Chester Heights, Pennsylvania
M2.6
142 km
18 km
Feb 9, 2023
29 km E of Greenbackville, Virginia
M2.6
106 km
11 km
Sep 29, 1997
Virginia
M2.5
131 km
3 km
Mar 10, 1993
3 km WSW of Columbia, Maryland
M2.5
101 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
246 km
2012
Sandy
Category 1
92 mph
243 km
2011
Irene
Category 1
75 mph
105 km
2003
Isabel
Category 1
75 mph
269 km
1999
Floyd
Category 1
—
210 km
1998
Bonnie
Category 1
86 mph
264 km
1993
Emily
Category 3
115 mph
264 km
1991
Bob
Category 3
115 mph
223 km
1986
Charley
Category 1
81 mph
157 km
1985
Gloria
Category 2
98 mph
130 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
319 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF3. Total: 9 fatalities, 194 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 1, 2023
EF3
28 km
14.3 mi
1
Apr 28, 2002
EF3
42 km
18.0 mi
0
Sep 24, 2001
EF3
94 km
17.5 mi
2
Sep 5, 1979
EF3
99 km
17.9 mi
1
Jun 9, 1961
EF3
82 km
0.1 mi
0
Sep 1, 2021
EF2
59 km
11.4 mi
0
May 3, 2021
EF2
98 km
4.4 mi
0
Aug 4, 2020
EF2
31 km
1.3 mi
0
Aug 4, 2020
EF2
61 km
35.8 mi
0
Aug 4, 2020
EF2
81 km
3.8 mi
0
Apr 15, 2019
EF2
34 km
6.2 mi
0
Jul 23, 2017
EF2
47 km
2.4 mi
0
Apr 28, 2002
EF2
91 km
3.0 mi
0
Oct 5, 1995
EF2
88 km
2.5 mi
0
May 18, 1995
EF2
21 km
10.0 mi
0
Jul 27, 1994
EF2
67 km
7.0 mi
0
Jul 27, 1994
EF2
68 km
4.0 mi
0
Jul 27, 1994
EF2
77 km
0.8 mi
0
Jul 27, 1994
EF2
89 km
0.8 mi
0
Sep 27, 1993
EF2
96 km
10.0 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
Year
Location
Cause
Max Wave
Deaths
Distance
1840
PHILADELPHIA, PENNSYLVANIA
Earthquake
—
—
140 km
Source: NOAA/NCEI Historical Tsunami Database.
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
33 km
2004
RETAINING ECOLOGICAL HEALTH
5,678
35 km
2014
BLACKWATER MARSH WUI BURNS FY14
5,433
34 km
2005
MARSH RX-FWS
4,380
32 km
2007
GUINEA MARSH
4,173
34 km
2009
DOCTORS CREEK
3,686
34 km
1999
FB R O C I
3,525
36 km
2019
MDBWR-FY19-RX-MDWHS SUPPORT
3,197
34 km
2011
COMPARTMENT J
2,775
34 km
2005
ISLAND CREEK
2,729
35 km
2004
UNNAMED
2,156
35 km
1992
UNNAMED
2,038
32 km
2005
VEGETATION RESEARCH
1,926
30 km
2011
THOROFARE
1,850
31 km
1987
UNNAMED
1,692
33 km
2004
ROBBINS FIRE
1,612
37 km
1988
SLAU BCH 2
1,578
62 km
2004
BLACKWATER HAZARD FUEL REDUCTION
1,518
31 km
2009
BECKERS ISLAND
1,398
36 km
2022
ELLIOTTS ISLAND
1,324
35 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
35°F (1°C)
3.8 in
Coldest
February
36°F (2°C)
3.0 in
Driest
March
45°F (7°C)
4.2 in
April
54°F (12°C)
3.4 in
May
64°F (18°C)
4.0 in
June
72°F (22°C)
3.5 in
July
77°F (25°C)
4.3 in
Warmest, Wettest
August
75°F (24°C)
4.2 in
September
69°F (21°C)
3.7 in
October
58°F (14°C)
3.2 in
November
48°F (9°C)
3.3 in
December
39°F (4°C)
3.4 in
Choptank has a seasonal temperature swing of 42°F / from 35°F in January to 77°F in July. Total annual precipitation is 44.1 inches, with July being the wettest month (4.3") and February the driest (3.0").