nomadseason

Monthly climate in Sea Isle City, New Jersey, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sea Isle City features a humid subtropical climate (Cfa).Temperatures typically range between 3 °C (38 °F) and 26 °C (78 °F) through the year, but rarely can drop to -13 °C (8 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1239 mm (48.8 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually.Sea Isle City enjoys an average of 3164 hours of sunshine throughout the year, and daylight varies from 9 hours 26 minutes to 14 hours 52 minutes per day.

Monthly average temperatures in Sea Isle City, New Jersey, United States §

The warmest months in Sea Isle City are June, July and August, with daily mean temperatures ranging from 22 to 26 °C (72 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 6 °C (38 - 43 °F) throughout the day. On average each year, Sea Isle City experiences 73 days above 25 °C (77.0 °F) and 34 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sea Isle City, New Jersey, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 17°C
(64°F)		 19°C
(66°F)		 24°C
(75°F)		 27°C
(81°F)		 30°C
(86°F)		 31°C
(89°F)		 34°C
(93°F)		 32°C
(90°F)		 31°C
(88°F)		 31°C
(88°F)		 22°C
(72°F)		 18°C
(65°F)
Mean maximum 15°C
(60°F)		 15°C
(60°F)		 19°C
(67°F)		 23°C
(74°F)		 28°C
(83°F)		 30°C
(86°F)		 32°C
(89°F)		 31°C
(88°F)		 29°C
(85°F)		 26°C
(80°F)		 21°C
(69°F)		 16°C
(61°F)
Average high 6°C
(43°F)		 8°C
(46°F)		 10°C
(50°F)		 15°C
(59°F)		 20°C
(68°F)		 25°C
(77°F)		 28°C
(83°F)		 27°C
(81°F)		 24°C
(76°F)		 20°C
(68°F)		 13°C
(55°F)		 9°C
(48°F)
Daily mean 3°C
(38°F)		 5°C
(41°F)		 7°C
(45°F)		 12°C
(54°F)		 17°C
(62°F)		 22°C
(72°F)		 26°C
(78°F)		 25°C
(77°F)		 22°C
(72°F)		 17°C
(63°F)		 10°C
(50°F)		 6°C
(43°F)
Average low 0°C
(33°F)		 2°C
(36°F)		 4°C
(40°F)		 9°C
(49°F)		 14°C
(58°F)		 20°C
(68°F)		 23°C
(74°F)		 23°C
(73°F)		 20°C
(68°F)		 15°C
(59°F)		 7°C
(44°F)		 3°C
(38°F)
Mean minimum -9°C
(16°F)		 -7°C
(20°F)		 -3°C
(27°F)		 3°C
(38°F)		 8°C
(46°F)		 15°C
(59°F)		 19°C
(66°F)		 19°C
(67°F)		 14°C
(58°F)		 8°C
(46°F)		 -2°C
(29°F)		 -4°C
(25°F)
Minimum -13°C
(8°F)		 -13°C
(9°F)		 -7°C
(20°F)		 1°C
(34°F)		 4°C
(40°F)		 11°C
(53°F)		 17°C
(64°F)		 17°C
(64°F)		 11°C
(53°F)		 5°C
(42°F)		 -6°C
(22°F)		 -9°C
(16°F)

Compare climate in Sea Isle City with other places

Compare temperature, precipitation, sunshine, UV index in Sea Isle City, New Jersey, United States with other places around the world.

Monthly average precipitation in Sea Isle City, New Jersey, United States §

Sea Isle City usually has the most precipitation in July, August and October, with an average of 11 rainy days and 127 mm (5.0 inches) of precipitation per month.The driest months in Sea Isle City are January, June and November. On average, 75 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sea Isle City, New Jersey, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 68 (2.7) 102 (4.0) 105 (4.1) 94 (3.7) 112 (4.4) 76 (3.0) 130 (5.1) 118 (4.6) 113 (4.4) 133 (5.3) 81 (3.2) 108 (4.2)
Average precipitation days (≥ 1 mm) 9 11 10 12 11 10 11 15 10 8 7 10

Monthly sunshine hours in Sea Isle City, New Jersey, United States §

The sunniest months in Sea Isle City are June, July and August, when the sun shines an average of 11 hours 12 minutes a day.Least sunny months in Sea Isle City: January, February and December receive an average of 5 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sea Isle City, New Jersey, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 157 181 261 271 308 339 361 329 288 246 227 188
Mean daily daylight hours 9h 44m 10h 43m 11h 58m 13h 15m 14h 20m 14h 52m 14h 34m 13h 37m 12h 23m 11h 7m 10h 0m 9h 26m

Solar UV radiation in Sea Isle City, New Jersey, United States §

Sea Isle City experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Sea Isle City UV Index data.

Average daily maximum UV levels by month for Sea Isle City, New Jersey, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 5 6 9 10 10 10 10 8 7 4 3