Fenwick Island weather by month
What a typical year looks like in Fenwick Island, Delaware: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Ocean City Municipal Airport, 18 km from Fenwick Island; records cover 1999–2026.
The year at a glance
- Precipitation a year
- 42.6 in1083 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 7
- First fall freeze
- Nov 5
- Heating degree days
- 4,369
- Cooling degree days
- 1,105
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 14°−10° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Fenwick Island in January
Highs average 45°7° and lows 28°−2°, with 3.4 in86 mm of precipitation in a typical January.
- Record high
- 78°26° (2002)
- Record low
- −10°−23° (2025)
- Heating degree days
- 886
- Cooling degree days
- 0
Fenwick Island in February
Highs average 47°8° and lows 29°−1°, with 3 in75 mm of precipitation in a typical February.
- Record high
- 75°24° (2009)
- Record low
- −6°−21° (2015)
- Heating degree days
- 756
- Cooling degree days
- 0
Fenwick Island in March
Highs average 52°11° and lows 35°2°, with 3.9 in98 mm of precipitation in a typical March.
- Record high
- 86°30° (2007)
- Record low
- 9°−13° (2015)
- Heating degree days
- 658
- Cooling degree days
- 0
Fenwick Island in April
Highs average 62°16° and lows 44°7°, with 3 in76 mm of precipitation in a typical April.
- Record high
- 94°34° (2009)
- Record low
- 23°−5° (2013)
- Heating degree days
- 376
- Cooling degree days
- 10
Fenwick Island in May
Highs average 70°21° and lows 53°12°, with 3.8 in96 mm of precipitation in a typical May.
- Record high
- 93°34° (2011)
- Record low
- 33°1° (2003)
- Heating degree days
- 153
- Cooling degree days
- 52
Fenwick Island in June
Highs average 79°26° and lows 63°17°, with 3.3 in84 mm of precipitation in a typical June.
- Record high
- 99°37° (2010)
- Record low
- 42°6° (2014)
- Heating degree days
- 17
- Cooling degree days
- 206
Fenwick Island in July
Highs average 84°29° and lows 68°20°, with 3.8 in96 mm of precipitation in a typical July.
- Record high
- 101°38° (2010)
- Record low
- 50°10° (2001)
- Heating degree days
- 1
- Cooling degree days
- 351
Fenwick Island in August
Highs average 83°28° and lows 67°19°, with 3.8 in97 mm of precipitation in a typical August.
- Record high
- 102°39° (2007)
- Record low
- 50°10° (2013)
- Heating degree days
- 1
- Cooling degree days
- 306
Fenwick Island in September
Highs average 77°25° and lows 61°16°, with 3.9 in100 mm of precipitation in a typical September.
- Record high
- 94°34° (2023)
- Record low
- 43°6° (2006)
- Heating degree days
- 30
- Cooling degree days
- 153
Fenwick Island in OctoberThis month
Highs average 68°20° and lows 49°10°, with 4 in103 mm of precipitation in a typical October.
- Record high
- 94°34° (2019)
- Record low
- 28°−2° (2003)
- Heating degree days
- 232
- Cooling degree days
- 26
Fenwick Island in November
Highs average 58°14° and lows 39°4°, with 3.2 in81 mm of precipitation in a typical November.
- Record high
- 82°28° (2016)
- Record low
- 15°−9° (2014)
- Heating degree days
- 506
- Cooling degree days
- 1
Fenwick Island in December
Highs average 50°10° and lows 32°0°, with 3.6 in91 mm of precipitation in a typical December.
- Record high
- 73°23° (2006)
- Record low
- 11°−12° (2022)
- Heating degree days
- 753
- Cooling degree days
- 0