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Monthly climate in Grantsboro, North Carolina, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Grantsboro features a humid subtropical climate (Cfa).Temperatures typically range between 8 °C (46 °F) and 27 °C (81 °F) through the year, but rarely can drop to -12 °C (10 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 1432 mm (56.4 inches) and receives 145 rainy days on the 1 mm (0.04 inches) threshold annually.Grantsboro enjoys an average of 3262 hours of sunshine throughout the year, and daylight varies from 9 hours 48 minutes to 14 hours 29 minutes per day.

Monthly average temperatures in Grantsboro, North Carolina, United States §

The warmest months in Grantsboro 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 8 to 11 °C (46 - 51 °F) throughout the day. On average each year, Grantsboro experiences 136 days above 25 °C (77.0 °F) and 12 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grantsboro, 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)		 26°C
(78°F)		 28°C
(82°F)		 29°C
(85°F)		 35°C
(96°F)		 35°C
(95°F)		 35°C
(95°F)		 34°C
(93°F)		 34°C
(94°F)		 33°C
(91°F)		 27°C
(82°F)		 24°C
(75°F)
Mean maximum 22°C
(72°F)		 24°C
(76°F)		 25°C
(77°F)		 28°C
(83°F)		 32°C
(89°F)		 33°C
(91°F)		 34°C
(93°F)		 33°C
(92°F)		 32°C
(90°F)		 30°C
(86°F)		 26°C
(79°F)		 22°C
(72°F)
Average high 12°C
(54°F)		 15°C
(60°F)		 17°C
(63°F)		 22°C
(71°F)		 26°C
(78°F)		 28°C
(83°F)		 30°C
(87°F)		 30°C
(86°F)		 28°C
(83°F)		 24°C
(75°F)		 17°C
(63°F)		 14°C
(58°F)
Daily mean 8°C
(46°F)		 11°C
(51°F)		 12°C
(54°F)		 17°C
(63°F)		 22°C
(71°F)		 25°C
(77°F)		 27°C
(81°F)		 26°C
(80°F)		 24°C
(76°F)		 20°C
(68°F)		 13°C
(55°F)		 10°C
(50°F)
Average low 4°C
(39°F)		 6°C
(44°F)		 8°C
(47°F)		 13°C
(55°F)		 18°C
(65°F)		 22°C
(72°F)		 24°C
(75°F)		 24°C
(75°F)		 21°C
(71°F)		 17°C
(62°F)		 9°C
(48°F)		 6°C
(43°F)
Mean minimum -6°C
(21°F)		 -2°C
(28°F)		 -1°C
(30°F)		 4°C
(39°F)		 10°C
(50°F)		 17°C
(63°F)		 20°C
(69°F)		 20°C
(69°F)		 16°C
(60°F)		 8°C
(48°F)		 1°C
(34°F)		 -2°C
(30°F)
Minimum -12°C
(10°F)		 -3°C
(26°F)		 -3°C
(28°F)		 1°C
(34°F)		 8°C
(47°F)		 13°C
(56°F)		 18°C
(64°F)		 18°C
(65°F)		 12°C
(54°F)		 6°C
(43°F)		 -1°C
(31°F)		 -5°C
(24°F)

Compare climate in Grantsboro with other places

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

Monthly average precipitation in Grantsboro, North Carolina, United States §

Grantsboro usually has the most precipitation in July, August and September, with an average of 17 rainy days and 170 mm (6.7 inches) of precipitation per month.The driest months in Grantsboro are January, March and October. On average, 72 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grantsboro, 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) 76 (3.0) 103 (4.1) 71 (2.8) 106 (4.2) 126 (4.9) 151 (5.9) 166 (6.5) 185 (7.3) 159 (6.2) 70 (2.8) 96 (3.8) 123 (4.8)
Average precipitation days (≥ 1 mm) 8 11 10 10 11 17 19 20 13 8 8 10

Monthly sunshine hours in Grantsboro, North Carolina, United States §

The sunniest months in Grantsboro are May, July and August, when the sun shines an average of 10 hours 28 minutes a day.Least sunny months in Grantsboro: January, February and December receive an average of 6 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grantsboro, 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 174 201 268 302 321 319 332 321 293 282 235 209
Mean daily daylight hours 10h 4m 10h 54m 11h 59m 13h 6m 14h 1m 14h 29m 14h 14m 13h 24m 12h 20m 11h 14m 10h 17m 9h 48m

Solar UV radiation in Grantsboro, North Carolina, United States §

Grantsboro 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 Grantsboro UV Index data.

Average daily maximum UV levels by month for Grantsboro, 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