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Weather & Climate in Caswell Beach, NC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Caswell Beach enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 48°F in January while summers reach 82°F in July. The area gets 304 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 54.6 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 40. The city sits at an elevation of -10 feet.
Temperature
48°F Jan (9°C)
82°F Jul (28°C)
| Annual Average | 65.0°F |
| 20% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | -10 ft (-3 m) |
| Area | 4.1 sq mi (10.5 km²) |
| Population Density | 164/sq mi |
| Coordinates | 33.9059°N, 78.0487°W |
| Timezone | America/New_York |
| County | Horry County County |
| Nearest Airport | Wilmington International (ILM) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.2 / 100 |
| Social Vulnerability | 65.4 / 100 |
| Community Resilience | 66.4 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very High |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Hurricane History
26 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Ian | Category 1 | 86 mph | 126 km |
| 2020 | Isaias | Category 1 | 92 mph | 42 km |
| 2019 | Dorian | Category 3 | 115 mph | 58 km |
| 2018 | Florence | Category 2 | 109 mph | 17 km |
| 2016 | Matthew | Category 2 | 98 mph | 27 km |
| 2014 | Arthur | Category 2 | 98 mph | 58 km |
| 2011 | Irene | Category 1 | 86 mph | 126 km |
| 2005 | Ophelia | Category 1 | 86 mph | 47 km |
| 2004 | Alex | Category 2 | 98 mph | 112 km |
| 2004 | Gaston | Category 1 | 75 mph | 176 km |
| 2004 | Charley | Category 1 | 81 mph | 61 km |
| 2003 | Isabel | Category 2 | 104 mph | 201 km |
| 1999 | Irene | Category 2 | 109 mph | 82 km |
| 1999 | Floyd | Category 2 | 104 mph | 13 km |
| 1999 | Dennis | Category 2 | 104 mph | 118 km |
| 1998 | Bonnie | Category 3 | 115 mph | 34 km |
| 1996 | Fran | Category 3 | 115 mph | 5 km |
| 1996 | Bertha | Category 2 | 104 mph | 34 km |
| 1994 | Gordon | Category 1 | 81 mph | 204 km |
| 1993 | Emily | Category 3 | 115 mph | 270 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
235 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 16 fatalities, 309 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Feb 15, 2021 | EF3 | 43 km | 21.9 mi | 3 |
| Nov 16, 2006 | EF3 | 51 km | 2.2 mi | 8 |
| Aug 17, 1965 | EF3 | 58 km | 0.3 mi | 0 |
| Oct 9, 1950 | EF3 | 59 km | 2.0 mi | 0 |
| Aug 7, 2024 | EF2 | 87 km | 4.7 mi | 0 |
| Aug 3, 2020 | EF2 | 11 km | 8.3 mi | 0 |
| Sep 5, 2019 | EF2 | 40 km | 9.3 mi | 0 |
| Apr 16, 2011 | EF2 | 98 km | 13.1 mi | 1 |
| Apr 6, 2009 | EF2 | 78 km | 1.4 mi | 0 |
| Mar 28, 2009 | EF2 | 91 km | 1.6 mi | 0 |
| Aug 13, 2004 | EF2 | 57 km | 5.0 mi | 3 |
| Jul 6, 2001 | EF2 | 80 km | 4.0 mi | 0 |
| Nov 7, 1995 | EF2 | 73 km | 0.7 mi | 0 |
| Nov 7, 1995 | EF2 | 93 km | 5.0 mi | 0 |
| Jul 1, 1990 | EF2 | 78 km | 0.2 mi | 0 |
| Jun 2, 1985 | EF2 | 91 km | 5.0 mi | 0 |
| Mar 28, 1984 | EF2 | 87 km | 16.0 mi | 0 |
| Jun 7, 1983 | EF2 | 90 km | 6.0 mi | 0 |
| Sep 26, 1982 | EF2 | 77 km | 1.0 mi | 0 |
| Sep 4, 1979 | EF2 | 58 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (77,768 acres, 1986).
| Year | Name | Acres Burned | Distance |
| 1986 | UNNAMED | 77,768 | 73 km |
| 2011 | JUNIPER ROAD | 31,511 | 76 km |
| 2009 | HIGHWAY 31 | 17,004 | 75 km |
| 1994 | UNNAMED | 7,944 | 89 km |
| 1985 | UNNAMED | 2,970 | 80 km |
| 2001 | UNNAMED | 2,204 | 67 km |
| 2020 | TRAM ROAD/GRASSY ROAD | 2,076 | 70 km |
| 1993 | UNNAMED | 2,073 | 9 km |
| 1986 | UNNAMED | 2,024 | 49 km |
| 2002 | LEGENDS | 1,666 | 89 km |
| 2014 | SHAKEN CREEK | 1,469 | 85 km |
| 2016 | CLEMMONS ROAD | 1,468 | 16 km |
| 2011 | SR8 | 1,311 | 87 km |
| 2011 | WOLF ISLAND | 1,310 | 66 km |
| 2022 | JUNIPER ROAD TWO | 1,307 | 79 km |
| 1993 | UNNAMED | 1,293 | 77 km |
| 2008 | EDNA BUCK ROAD | 1,256 | 54 km |
| 1988 | UNNAMED | 1,077 | 77 km |
| 2010 | BURNCOMP48 | 1,061 | 99 km |
| 1988 | UNNAMED | 1,005 | 67 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 4.6 in | Coldest |
| February | 48°F (9°C) | 4.0 in | |
| March | 55°F (13°C) | 4.3 in | |
| April | 62°F (17°C) | 3.0 in | Driest |
| May | 70°F (21°C) | 4.1 in | |
| June | 76°F (25°C) | 5.2 in | |
| July | 82°F (28°C) | 6.7 in | Warmest |
| August | 79°F (26°C) | 7.3 in | |
| September | 75°F (24°C) | 7.7 in | Wettest |
| October | 65°F (18°C) | 3.6 in | |
| November | 57°F (14°C) | 3.3 in | |
| December | 49°F (9°C) | 3.9 in |
Caswell Beach has a seasonal temperature swing of 34°F / from 48°F in January to 82°F in July. Total annual precipitation is 57.8 inches, with September being the wettest month (7.7") and April the driest (3.0").