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Monthly climate in Mount Holly, North Carolina, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mount Holly features a humid subtropical climate (Cfa).Temperatures typically range between 6 °C (44 °F) and 27 °C (82 °F) through the year, but rarely can drop to -12 °C (10 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1136 mm (44.7 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually.Mount Holly enjoys an average of 3054 hours of sunshine throughout the year, and daylight varies from 9 hours 48 minutes to 14 hours 28 minutes per day.

Monthly average temperatures in Mount Holly, North Carolina, United States §

The warmest months in Mount Holly are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (78 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 10 °C (44 - 49 °F) throughout the day. On average each year, Mount Holly experiences 143 days above 25 °C (77.0 °F) and 29 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mount Holly, 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 25°C
(77°F)		 27°C
(81°F)		 31°C
(88°F)		 31°C
(88°F)		 36°C
(97°F)		 38°C
(101°F)		 38°C
(101°F)		 36°C
(97°F)		 36°C
(96°F)		 35°C
(96°F)		 27°C
(81°F)		 26°C
(79°F)
Mean maximum 22°C
(71°F)		 24°C
(76°F)		 27°C
(81°F)		 30°C
(86°F)		 34°C
(94°F)		 35°C
(96°F)		 37°C
(98°F)		 35°C
(96°F)		 34°C
(94°F)		 31°C
(89°F)		 26°C
(78°F)		 22°C
(71°F)
Average high 11°C
(53°F)		 15°C
(59°F)		 18°C
(64°F)		 23°C
(73°F)		 28°C
(82°F)		 31°C
(87°F)		 33°C
(92°F)		 31°C
(89°F)		 29°C
(85°F)		 24°C
(75°F)		 16°C
(62°F)		 13°C
(56°F)
Daily mean 6°C
(44°F)		 10°C
(49°F)		 12°C
(54°F)		 17°C
(63°F)		 22°C
(72°F)		 25°C
(78°F)		 27°C
(82°F)		 26°C
(79°F)		 24°C
(75°F)		 18°C
(65°F)		 11°C
(51°F)		 8°C
(47°F)
Average low 2°C
(36°F)		 4°C
(40°F)		 7°C
(45°F)		 11°C
(52°F)		 16°C
(62°F)		 20°C
(69°F)		 23°C
(73°F)		 22°C
(72°F)		 19°C
(67°F)		 14°C
(57°F)		 6°C
(42°F)		 4°C
(39°F)
Mean minimum -7°C
(20°F)		 -4°C
(25°F)		 -3°C
(26°F)		 2°C
(35°F)		 7°C
(45°F)		 15°C
(60°F)		 19°C
(66°F)		 17°C
(63°F)		 13°C
(55°F)		 4°C
(40°F)		 -2°C
(28°F)		 -4°C
(25°F)
Minimum -12°C
(10°F)		 -6°C
(21°F)		 -5°C
(23°F)		 -1°C
(30°F)		 5°C
(41°F)		 12°C
(53°F)		 18°C
(64°F)		 15°C
(60°F)		 8°C
(47°F)		 1°C
(33°F)		 -4°C
(24°F)		 -7°C
(20°F)

Compare climate in Mount Holly with other places

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

Monthly average precipitation in Mount Holly, North Carolina, United States §

Mount Holly usually has the most precipitation in February, September and December, with an average of 9 rainy days and 115 mm (4.5 inches) of precipitation per month.The driest months in Mount Holly are March, June and August. On average, 78 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mount Holly, 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) 88 (3.5) 112 (4.4) 81 (3.2) 101 (4.0) 103 (4.1) 67 (2.6) 88 (3.5) 85 (3.3) 115 (4.5) 91 (3.6) 88 (3.5) 118 (4.7)
Average precipitation days (≥ 1 mm) 9 11 10 8 11 11 13 12 8 9 7 9

Monthly sunshine hours in Mount Holly, North Carolina, United States §

The sunniest months in Mount Holly are June, July and August, when the sun shines an average of 10 hours 27 minutes a day.Least sunny months in Mount Holly: 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 Mount Holly, 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 158 171 238 271 292 313 340 307 280 258 224 196
Mean daily daylight hours 10h 4m 10h 54m 11h 59m 13h 6m 14h 1m 14h 28m 14h 14m 13h 24m 12h 20m 11h 14m 10h 17m 9h 48m

Solar UV radiation in Mount Holly, North Carolina, United States §

Mount Holly experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / 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 Mount Holly UV Index data.

Average daily maximum UV levels by month for Mount Holly, 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 10 11 11 10 9 8 5 3