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Weather & Climate in Manns Harbor, NC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Manns Harbor enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 43°F in January while summers reach 80°F in July. The area gets 310 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 46.6 inches (wetter than the 38-inch national average). The area receives 1.1 inches of snow annually. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 2 feet.
Temperature
43°F Jan (6°C)
80°F Jul (26°C)
| Annual Average | 61.6°F |
| 14% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 80°F (26°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 2 ft (1 m) |
| Area | 4.0 sq mi (10.3 km²) |
| Population Density | 244/sq mi |
| Coordinates | 35.8985°N, 75.7807°W |
| Timezone | America/New_York |
| County | Dare County County |
| Nearest Airport | Dare County Regional (MEO) 5 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 89.6 / 100 |
| Social Vulnerability | 45.2 / 100 |
| Community Resilience | 99.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively High |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Aug 6, 1994 | 4 km SSW of Bayboro, North Carolina | M3.6 | 127 km | 0 km |
| Feb 11, 2014 | 7 km NW of Hobucken, North Carolina | M2.9 | 102 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
24 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2019 | Dorian | Category 2 | 104 mph | 79 km |
| 2018 | Florence | Category 2 | 104 mph | 221 km |
| 2017 | Maria | Category 1 | 75 mph | 275 km |
| 2016 | Matthew | Category 1 | 81 mph | 119 km |
| 2014 | Arthur | Category 2 | 98 mph | 28 km |
| 2011 | Irene | Category 1 | 86 mph | 30 km |
| 2010 | Earl | Category 2 | 98 mph | 191 km |
| 2005 | Ophelia | Category 1 | 86 mph | 133 km |
| 2004 | Alex | Category 2 | 98 mph | 85 km |
| 2003 | Isabel | Category 2 | 104 mph | 105 km |
| 1999 | Floyd | Category 2 | 104 mph | 95 km |
| 1999 | Irene | Category 2 | 109 mph | 133 km |
| 1999 | Dennis | Category 2 | 98 mph | 199 km |
| 1998 | Bonnie | Category 3 | 115 mph | 15 km |
| 1996 | Fran | Category 3 | 115 mph | 263 km |
| 1996 | Bertha | Category 2 | 104 mph | 193 km |
| 1995 | Felix | Category 1 | 81 mph | 262 km |
| 1994 | Gordon | Category 1 | 81 mph | 245 km |
| 1993 | Emily | Category 3 | 115 mph | 86 km |
| 1991 | Bob | Category 3 | 115 mph | 91 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
172 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 9 fatalities, 86 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 3, 2020 | EF3 | 100 km | 10.0 mi | 2 |
| Mar 28, 1984 | EF3 | 98 km | 14.0 mi | 2 |
| Sep 17, 1952 | EF3 | 17 km | 1.0 mi | 0 |
| Apr 25, 2014 | EF2 | 85 km | 33.5 mi | 0 |
| Apr 25, 2014 | EF2 | 88 km | 37.5 mi | 1 |
| Apr 7, 2014 | EF2 | 87 km | 4.7 mi | 0 |
| Aug 26, 2011 | EF2 | 40 km | 0.5 mi | 0 |
| Apr 16, 2011 | EF2 | 97 km | 17.5 mi | 0 |
| May 9, 2008 | EF2 | 99 km | 11.7 mi | 0 |
| Oct 11, 2002 | EF2 | 88 km | 3.0 mi | 0 |
| Oct 17, 1999 | EF2 | 50 km | 0.2 mi | 0 |
| Nov 10, 1990 | EF2 | 76 km | 12.0 mi | 0 |
| Nov 17, 1988 | EF2 | 56 km | 9.0 mi | 0 |
| Nov 5, 1988 | EF2 | 60 km | 2.0 mi | 0 |
| Mar 31, 1987 | EF2 | 78 km | 10.0 mi | 0 |
| Jun 17, 1986 | EF2 | 61 km | 0.5 mi | 0 |
| Mar 28, 1984 | EF2 | 74 km | 6.0 mi | 1 |
| May 16, 1983 | EF2 | 76 km | 0.5 mi | 0 |
| May 16, 1983 | EF2 | 92 km | 7.0 mi | 0 |
| Mar 18, 1983 | EF2 | 95 km | 3.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: ALLAN ROAD (110,696 acres, 1985).
| Year | Name | Acres Burned | Distance |
| 1985 | ALLAN ROAD | 110,696 | 49 km |
| 2008 | EVANS ROAD | 41,560 | 57 km |
| 2011 | PAINS BAY | 40,218 | 26 km |
| 2016 | WHIPPING CREEK ROAD | 12,512 | 33 km |
| 2011 | LATERAL WEST | 6,188 | 98 km |
| 2008 | SOUTH 1 | 5,940 | 98 km |
| 2023 | LAST RESORT | 4,974 | 56 km |
| 2009 | 2-2-1 ROANOKE MARSHES | 4,953 | 6 km |
| 2006 | BELL ISLAND CENTRAL UNIT 2 1 2 | 3,307 | 76 km |
| 2017 | NCALR FY17 RX A 2.2 | 3,303 | 8 km |
| 2003 | ROANOKE MARSH 2 2 5 A | 3,156 | 8 km |
| 2006 | ROANOKE MARSHES - 2.2.5 | 3,139 | 8 km |
| 1999 | NORTH RIVER | 3,055 | 53 km |
| 1999 | LSR 2 5 6 | 2,629 | 34 km |
| 2009 | SW MASHOES | 2,499 | 8 km |
| 2005 | LONG SHOAL RIVER 2.5.2-5 | 2,333 | 35 km |
| 2003 | FIRST FIRE-CODE 1 | 2,319 | 24 km |
| 2009 | 2-1-3 BELL ISLAND SOUTH | 2,297 | 77 km |
| 2008 | MCPHERSON ROAD | 2,087 | 86 km |
| 2000 | QUAD 2 1 2 | 2,068 | 6 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 4.4 in | Coldest |
| February | 44°F (7°C) | 3.7 in | |
| March | 51°F (11°C) | 4.2 in | |
| April | 58°F (15°C) | 3.4 in | Driest |
| May | 66°F (19°C) | 4.3 in | |
| June | 74°F (23°C) | 4.5 in | |
| July | 80°F (26°C) | 5.6 in | Warmest |
| August | 78°F (25°C) | 5.8 in | Wettest |
| September | 73°F (23°C) | 4.9 in | |
| October | 63°F (17°C) | 3.9 in | |
| November | 56°F (13°C) | 3.6 in | |
| December | 48°F (9°C) | 3.6 in |
Manns Harbor has a seasonal temperature swing of 37°F / from 43°F in January to 80°F in July. Total annual precipitation is 51.7 inches, with August being the wettest month (5.8") and April the driest (3.4").