Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Eldorado 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 6 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
6 ft (2 m)
Area
0.1 sq mi (0.2 km²)
Population Density
557/sq mi
Coordinates
38.5830°N, 75.7903°W
Timezone
America/New_York
County
Wicomico County County
Nearest Airport
Cambridge-Dorchester Regional (CGE) 13 miles away
Precipitation & Snow
Annual Rainfall46.3"
22% above US avg
Snowfall12.8"
Wettest Month (Jul)4.41"
Driest Month (Feb)3.07"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
60.8 / 100
Social Vulnerability
26.9 / 100
Community Resilience
76.9 / 100
Hazard Breakdown
Tornado
Relatively Low
Hurricane
Relatively Moderate
Earthquake
Relatively Low
Wildfire
Relatively Low
Flood
Relatively Low
Hail
Very Low
Strong Wind
Relatively Low
Heat Wave
Relatively Low
Winter Weather
Relatively Moderate
Lightning
Relatively Moderate
Ice Storm
Relatively Moderate
Drought
Relatively Moderate
Cold Wave
Relatively Low
Landslide
Very Low
Coastal Flood
Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.2.
Oct 23, 1990
3 km W of Hancocks Bridge, New Jersey
M3.2
106 km
10 km
Jul 1, 2009
3 km ESE of Pennsville, New Jersey
M2.8
121 km
5 km
Mar 15, 1993
5 km W of Columbia, Maryland
M2.7
120 km
5 km
Oct 28, 1994
1 km E of Mount Vernon, Maryland
M2.7
106 km
—
Jan 13, 1990
6 km ENE of Eldersburg, Maryland
M2.6
133 km
5 km
Jun 25, 2021
2 km SE of Woodlawn, Maryland
M2.6
113 km
3 km
Jul 5, 1996
2 km NW of Chester Heights, Pennsylvania
M2.6
149 km
18 km
Feb 9, 2023
29 km E of Greenbackville, Virginia
M2.6
88 km
11 km
Sep 29, 1997
Virginia
M2.5
146 km
3 km
Mar 10, 1993
3 km WSW of Columbia, Maryland
M2.5
119 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
228 km
2012
Sandy
Category 1
92 mph
228 km
2011
Irene
Category 1
75 mph
87 km
2003
Isabel
Category 1
75 mph
269 km
1999
Floyd
Category 1
—
200 km
1998
Bonnie
Category 1
86 mph
247 km
1993
Emily
Category 3
115 mph
247 km
1991
Bob
Category 3
115 mph
206 km
1986
Charley
Category 1
81 mph
141 km
1985
Gloria
Category 2
98 mph
114 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
246 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF3. Total: 4 fatalities, 107 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 1, 2023
EF3
23 km
14.3 mi
1
Apr 28, 2002
EF3
48 km
18.0 mi
0
Jun 9, 1961
EF3
99 km
0.1 mi
0
Sep 1, 2021
EF2
76 km
11.4 mi
0
May 3, 2021
EF2
98 km
4.4 mi
0
Aug 4, 2020
EF2
15 km
1.3 mi
0
Aug 4, 2020
EF2
64 km
3.8 mi
0
Aug 4, 2020
EF2
63 km
35.8 mi
0
Apr 15, 2019
EF2
18 km
6.2 mi
0
Jul 23, 2017
EF2
64 km
2.4 mi
0
May 18, 1995
EF2
37 km
10.0 mi
0
Jul 27, 1994
EF2
82 km
4.0 mi
0
Jul 27, 1994
EF2
87 km
0.8 mi
0
Jul 27, 1994
EF2
85 km
7.0 mi
0
Jul 31, 1992
EF2
54 km
4.0 mi
0
May 2, 1989
EF2
95 km
5.0 mi
0
Jul 18, 1984
EF2
30 km
1.5 mi
0
Oct 13, 1983
EF2
72 km
4.0 mi
0
Jul 21, 1983
EF2
66 km
1.0 mi
2
Jun 27, 1978
EF2
78 km
6.9 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
—
—
145 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
28 km
2004
RETAINING ECOLOGICAL HEALTH
5,678
33 km
2014
BLACKWATER MARSH WUI BURNS FY14
5,433
32 km
2005
MARSH RX-FWS
4,380
29 km
2007
GUINEA MARSH
4,173
28 km
2009
DOCTORS CREEK
3,686
28 km
1999
FB R O C I
3,525
32 km
2019
MDBWR-FY19-RX-MDWHS SUPPORT
3,197
31 km
2011
COMPARTMENT J
2,775
31 km
2005
ISLAND CREEK
2,729
28 km
2004
UNNAMED
2,156
28 km
1992
UNNAMED
2,038
27 km
2005
VEGETATION RESEARCH
1,926
25 km
2011
THOROFARE
1,850
26 km
1987
UNNAMED
1,692
33 km
2004
ROBBINS FIRE
1,612
34 km
1988
SLAU BCH 2
1,578
55 km
2004
BLACKWATER HAZARD FUEL REDUCTION
1,518
33 km
2009
BECKERS ISLAND
1,398
32 km
2022
ELLIOTTS ISLAND
1,324
27 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
37°F (3°C)
3.1 in
Driest
March
45°F (7°C)
4.3 in
April
54°F (12°C)
3.4 in
May
64°F (18°C)
3.9 in
June
72°F (22°C)
3.5 in
July
77°F (25°C)
4.4 in
Warmest, Wettest
August
75°F (24°C)
4.3 in
September
69°F (21°C)
3.7 in
October
58°F (14°C)
3.2 in
November
48°F (9°C)
3.2 in
December
40°F (4°C)
3.4 in
Eldorado 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 (4.4") and February the driest (3.1").