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Monthly climate in Westminster, South Carolina, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Westminster features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (44 °F) and 26 °C (80 °F) through the year, but rarely can drop to -11 °C (12 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 1539 mm (60.6 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually.Westminster enjoys an average of 3123 hours of sunshine throughout the year, and daylight varies from 9 hours 51 minutes to 14 hours 26 minutes per day.

Monthly average temperatures in Westminster, South Carolina, United States §

The warmest months in Westminster are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (44 - 49 °F) throughout the day. On average each year, Westminster experiences 133 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 Westminster, South 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
(76°F)		 25°C
(78°F)		 30°C
(86°F)		 30°C
(86°F)		 34°C
(94°F)		 34°C
(94°F)		 35°C
(95°F)		 35°C
(96°F)		 35°C
(96°F)		 37°C
(98°F)		 26°C
(79°F)		 24°C
(75°F)
Mean maximum 21°C
(70°F)		 24°C
(75°F)		 27°C
(80°F)		 28°C
(83°F)		 32°C
(90°F)		 32°C
(91°F)		 34°C
(94°F)		 34°C
(93°F)		 33°C
(91°F)		 31°C
(88°F)		 24°C
(75°F)		 21°C
(70°F)
Average high 12°C
(53°F)		 15°C
(59°F)		 18°C
(64°F)		 22°C
(72°F)		 26°C
(79°F)		 29°C
(85°F)		 31°C
(89°F)		 31°C
(87°F)		 28°C
(84°F)		 23°C
(74°F)		 16°C
(62°F)		 13°C
(56°F)
Daily mean 7°C
(44°F)		 9°C
(49°F)		 12°C
(54°F)		 16°C
(61°F)		 21°C
(70°F)		 24°C
(76°F)		 26°C
(80°F)		 26°C
(78°F)		 23°C
(74°F)		 18°C
(65°F)		 11°C
(52°F)		 8°C
(47°F)
Average low 2°C
(36°F)		 4°C
(40°F)		 7°C
(44°F)		 10°C
(50°F)		 16°C
(60°F)		 20°C
(68°F)		 22°C
(72°F)		 21°C
(71°F)		 19°C
(66°F)		 13°C
(56°F)		 5°C
(42°F)		 4°C
(39°F)
Mean minimum -7°C
(20°F)		 -3°C
(27°F)		 -3°C
(26°F)		 1°C
(34°F)		 7°C
(46°F)		 15°C
(60°F)		 18°C
(64°F)		 18°C
(64°F)		 13°C
(56°F)		 4°C
(40°F)		 -2°C
(29°F)		 -3°C
(27°F)
Minimum -11°C
(12°F)		 -4°C
(24°F)		 -5°C
(24°F)		 -1°C
(30°F)		 5°C
(41°F)		 12°C
(53°F)		 16°C
(61°F)		 16°C
(61°F)		 10°C
(50°F)		 1°C
(33°F)		 -4°C
(24°F)		 -7°C
(19°F)

Compare climate in Westminster with other places

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

Monthly average precipitation in Westminster, South Carolina, United States §

Westminster usually has the most precipitation in February, October and December, with an average of 10 rainy days and 162 mm (6.4 inches) of precipitation per month.The driest months in Westminster are June, July and November. On average, 94 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Westminster, South 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) 117 (4.6) 167 (6.6) 121 (4.7) 136 (5.4) 141 (5.5) 92 (3.6) 92 (3.6) 127 (5.0) 132 (5.2) 167 (6.6) 97 (3.8) 151 (6.0)
Average precipitation days (≥ 1 mm) 9 12 12 9 11 14 15 13 9 10 9 10

Monthly sunshine hours in Westminster, South Carolina, United States §

The sunniest months in Westminster are June, July and August, when the sun shines an average of 10 hours 38 minutes a day.Least sunny months in Westminster: January, February and December receive an average of 5 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Westminster, South 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 167 172 238 273 302 318 345 314 291 267 236 193
Mean daily daylight hours 10h 6m 10h 56m 11h 59m 13h 4m 13h 59m 14h 26m 14h 11m 13h 23m 12h 20m 11h 15m 10h 19m 9h 51m

Solar UV radiation in Westminster, South Carolina, United States §

Westminster experiences the highest level of ultraviolet (UV) radiation in April, May 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 / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Westminster UV Index data.

Average daily maximum UV levels by month for Westminster, South 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 7 8 11 11 11 11 10 9 8 6 4