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Monthly climate in Emerald Isle, North Carolina, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Emerald Isle features a humid subtropical climate (Cfa).Temperatures typically range between 9 °C (48 °F) and 27 °C (81 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1491 mm (58.7 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually.Emerald Isle enjoys an average of 3315 hours of sunshine throughout the year, and daylight varies from 9 hours 51 minutes to 14 hours 25 minutes per day.

Monthly average temperatures in Emerald Isle, North Carolina, United States §

The warmest months in Emerald Isle are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 11 °C (48 - 53 °F) throughout the day. On average each year, Emerald Isle experiences 144 days above 25 °C (77.0 °F) and 16 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Emerald Isle, North Carolina, 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 24°C
(76°F)		 25°C
(78°F)		 27°C
(81°F)		 29°C
(85°F)		 37°C
(99°F)		 34°C
(94°F)		 35°C
(96°F)		 34°C
(94°F)		 34°C
(94°F)		 33°C
(92°F)		 28°C
(82°F)		 24°C
(75°F)
Mean maximum 23°C
(73°F)		 24°C
(75°F)		 25°C
(77°F)		 29°C
(84°F)		 32°C
(90°F)		 33°C
(91°F)		 34°C
(93°F)		 33°C
(92°F)		 33°C
(91°F)		 30°C
(87°F)		 26°C
(80°F)		 23°C
(73°F)
Average high 13°C
(56°F)		 16°C
(62°F)		 18°C
(64°F)		 22°C
(72°F)		 26°C
(80°F)		 29°C
(84°F)		 31°C
(88°F)		 30°C
(87°F)		 29°C
(84°F)		 25°C
(77°F)		 19°C
(66°F)		 16°C
(60°F)
Daily mean 9°C
(48°F)		 11°C
(53°F)		 13°C
(56°F)		 17°C
(64°F)		 22°C
(72°F)		 25°C
(77°F)		 27°C
(81°F)		 27°C
(80°F)		 25°C
(77°F)		 20°C
(69°F)		 13°C
(56°F)		 11°C
(52°F)
Average low 4°C
(40°F)		 7°C
(44°F)		 8°C
(47°F)		 13°C
(55°F)		 18°C
(65°F)		 22°C
(71°F)		 24°C
(75°F)		 24°C
(75°F)		 21°C
(71°F)		 16°C
(62°F)		 9°C
(48°F)		 6°C
(43°F)
Mean minimum -6°C
(21°F)		 -2°C
(28°F)		 -2°C
(28°F)		 3°C
(38°F)		 9°C
(49°F)		 16°C
(62°F)		 19°C
(67°F)		 20°C
(68°F)		 15°C
(59°F)		 8°C
(46°F)		 0°C
(32°F)		 -3°C
(27°F)
Minimum -12°C
(11°F)		 -4°C
(26°F)		 -3°C
(26°F)		 0°C
(33°F)		 8°C
(46°F)		 13°C
(56°F)		 17°C
(63°F)		 18°C
(64°F)		 11°C
(53°F)		 5°C
(41°F)		 -2°C
(29°F)		 -4°C
(25°F)

Compare climate in Emerald Isle with other places

Compare temperature, precipitation, sunshine, UV index in Emerald Isle, North Carolina, United States with other places around the world.

Monthly average precipitation in Emerald Isle, North Carolina, United States §

Emerald Isle usually has the most precipitation in June, August and September, with an average of 17 rainy days and 192 mm (7.6 inches) of precipitation per month.The driest months in Emerald Isle are January, March and October. On average, 71 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Emerald Isle, North Carolina, 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) 69 (2.7) 110 (4.3) 71 (2.8) 105 (4.1) 117 (4.6) 171 (6.7) 142 (5.6) 187 (7.4) 218 (8.6) 71 (2.8) 100 (3.9) 128 (5.0)
Average precipitation days (≥ 1 mm) 8 10 9 9 11 17 19 20 14 8 9 10

Monthly sunshine hours in Emerald Isle, North Carolina, United States §

The sunniest months in Emerald Isle are May, June and July, when the sun shines an average of 10 hours 46 minutes a day.Least sunny months in Emerald Isle: January, February and December receive an average of 6 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Emerald Isle, North Carolina, 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 178 206 274 309 330 322 337 322 296 289 236 211
Mean daily daylight hours 10h 6m 10h 56m 11h 59m 13h 4m 13h 59m 14h 25m 14h 11m 13h 23m 12h 20m 11h 15m 10h 19m 9h 51m

Solar UV radiation in Emerald Isle, North Carolina, United States §

Emerald Isle experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme 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 5. For more detailed information, check out our hourly Emerald Isle UV Index data.

Average daily maximum UV levels by month for Emerald Isle, North Carolina, 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) 4 6 8 10 11 11 11 10 9 8 5 4