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Monthly climate in Island Heights, New Jersey, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Island Heights features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (36 °F) and 26 °C (79 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 37 °C (100 °F).The average annual precipitation amounts to about 1334 mm (52.5 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually.Island Heights enjoys an average of 3048 hours of sunshine throughout the year, and daylight varies from 9 hours 21 minutes to 14 hours 57 minutes per day.

Monthly average temperatures in Island Heights, New Jersey, United States §

The warmest months in Island Heights are June, July and August, with daily mean temperatures ranging from 23 to 26 °C (73 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (36 - 41 °F) throughout the day. On average each year, Island Heights experiences 92 days above 25 °C (77.0 °F) and 57 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Island Heights, 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 20°C
(69°F)		 25°C
(77°F)		 28°C
(82°F)		 32°C
(89°F)		 35°C
(94°F)		 36°C
(97°F)		 37°C
(100°F)		 35°C
(95°F)		 33°C
(92°F)		 35°C
(96°F)		 25°C
(77°F)		 19°C
(66°F)
Mean maximum 17°C
(62°F)		 19°C
(67°F)		 23°C
(74°F)		 27°C
(82°F)		 33°C
(91°F)		 34°C
(94°F)		 35°C
(96°F)		 34°C
(93°F)		 31°C
(89°F)		 29°C
(84°F)		 23°C
(74°F)		 17°C
(63°F)
Average high 6°C
(43°F)		 8°C
(47°F)		 11°C
(52°F)		 16°C
(62°F)		 22°C
(71°F)		 27°C
(81°F)		 30°C
(86°F)		 29°C
(84°F)		 25°C
(78°F)		 20°C
(69°F)		 13°C
(56°F)		 8°C
(47°F)
Daily mean 2°C
(36°F)		 4°C
(39°F)		 7°C
(44°F)		 12°C
(54°F)		 17°C
(63°F)		 23°C
(73°F)		 26°C
(79°F)		 25°C
(77°F)		 22°C
(71°F)		 16°C
(62°F)		 9°C
(48°F)		 5°C
(41°F)
Average low -1°C
(30°F)		 0°C
(32°F)		 3°C
(37°F)		 8°C
(46°F)		 13°C
(55°F)		 18°C
(65°F)		 22°C
(72°F)		 21°C
(71°F)		 18°C
(64°F)		 13°C
(55°F)		 4°C
(40°F)		 1°C
(34°F)
Mean minimum -12°C
(11°F)		 -10°C
(14°F)		 -5°C
(23°F)		 1°C
(34°F)		 6°C
(43°F)		 13°C
(56°F)		 17°C
(63°F)		 17°C
(62°F)		 11°C
(53°F)		 5°C
(41°F)		 -5°C
(24°F)		 -7°C
(20°F)
Minimum -17°C
(2°F)		 -15°C
(5°F)		 -9°C
(15°F)		 -2°C
(30°F)		 2°C
(36°F)		 10°C
(50°F)		 15°C
(59°F)		 16°C
(60°F)		 8°C
(47°F)		 3°C
(37°F)		 -9°C
(17°F)		 -11°C
(13°F)

Compare climate in Island Heights with other places

Compare temperature, precipitation, sunshine, UV index in Island Heights, New Jersey, United States with other places around the world.

Monthly average precipitation in Island Heights, New Jersey, United States §

Island Heights usually has the most precipitation in July, August and October, with an average of 13 rainy days and 143 mm (5.6 inches) of precipitation per month.The driest months in Island Heights are January, June and November. On average, 84 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Island Heights, 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) 67 (2.6) 108 (4.3) 105 (4.1) 110 (4.3) 122 (4.8) 94 (3.7) 147 (5.8) 142 (5.6) 101 (4.0) 141 (5.5) 90 (3.6) 107 (4.2)
Average precipitation days (≥ 1 mm) 8 11 10 11 12 12 14 15 10 10 9 10

Monthly sunshine hours in Island Heights, New Jersey, United States §

The sunniest months in Island Heights are June, July and August, when the sun shines an average of 10 hours 54 minutes a day.Least sunny months in Island Heights: January, February and December receive an average of 5 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Island Heights, 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 152 181 254 254 289 326 355 321 278 234 219 180
Mean daily daylight hours 9h 40m 10h 41m 11h 58m 13h 17m 14h 24m 14h 57m 14h 39m 13h 39m 12h 24m 11h 5m 9h 56m 9h 21m

Solar UV radiation in Island Heights, New Jersey, United States §

Island Heights experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 Low / 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 Island Heights UV Index data.

Average daily maximum UV levels by month for Island Heights, 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 8 10 10 10 9 8 6 4 2