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Monthly climate in King William, Virginia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification King William features a humid subtropical climate (Cfa).Temperatures typically range between 4 °C (40 °F) and 27 °C (81 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1255 mm (49.4 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually.King William enjoys an average of 3152 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in King William, Virginia, United States §

The warmest months in King William are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (76 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 7 °C (40 - 45 °F) throughout the day. On average each year, King William experiences 125 days above 25 °C (77.0 °F) and 46 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in King William, Virginia, 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 23°C
(73°F)		 26°C
(79°F)		 30°C
(87°F)		 32°C
(90°F)		 35°C
(96°F)		 36°C
(98°F)		 38°C
(101°F)		 36°C
(96°F)		 37°C
(98°F)		 36°C
(97°F)		 27°C
(81°F)		 22°C
(71°F)
Mean maximum 21°C
(69°F)		 23°C
(74°F)		 27°C
(81°F)		 30°C
(86°F)		 33°C
(92°F)		 35°C
(95°F)		 37°C
(98°F)		 35°C
(95°F)		 34°C
(93°F)		 31°C
(89°F)		 26°C
(78°F)		 21°C
(70°F)
Average high 9°C
(48°F)		 12°C
(54°F)		 15°C
(59°F)		 21°C
(70°F)		 25°C
(77°F)		 29°C
(85°F)		 32°C
(90°F)		 30°C
(87°F)		 28°C
(82°F)		 23°C
(73°F)		 15°C
(60°F)		 11°C
(53°F)
Daily mean 4°C
(40°F)		 7°C
(45°F)		 10°C
(50°F)		 15°C
(59°F)		 20°C
(68°F)		 24°C
(76°F)		 27°C
(81°F)		 26°C
(78°F)		 23°C
(73°F)		 18°C
(64°F)		 10°C
(50°F)		 7°C
(44°F)
Average low 0°C
(33°F)		 2°C
(36°F)		 5°C
(41°F)		 10°C
(50°F)		 15°C
(60°F)		 20°C
(68°F)		 23°C
(73°F)		 22°C
(71°F)		 19°C
(66°F)		 13°C
(56°F)		 5°C
(41°F)		 2°C
(36°F)
Mean minimum -10°C
(15°F)		 -6°C
(21°F)		 -4°C
(25°F)		 2°C
(35°F)		 6°C
(43°F)		 14°C
(58°F)		 18°C
(64°F)		 17°C
(62°F)		 11°C
(52°F)		 4°C
(40°F)		 -3°C
(27°F)		 -5°C
(23°F)
Minimum -18°C
(-0°F)		 -9°C
(17°F)		 -5°C
(24°F)		 -1°C
(31°F)		 3°C
(38°F)		 11°C
(51°F)		 14°C
(58°F)		 14°C
(58°F)		 9°C
(49°F)		 1°C
(34°F)		 -4°C
(24°F)		 -8°C
(17°F)

Compare climate in King William with other places

Compare temperature, precipitation, sunshine, UV index in King William, Virginia, United States with other places around the world.

Monthly average precipitation in King William, Virginia, United States §

King William usually has the most precipitation in June, August and October, with an average of 11 rainy days and 139 mm (5.5 inches) of precipitation per month.The driest months in King William are January, March and November. On average, 77 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in King William, Virginia, 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) 96 (3.8) 84 (3.3) 109 (4.3) 100 (3.9) 120 (4.7) 113 (4.4) 174 (6.8) 100 (4.0) 123 (4.8) 77 (3.0) 90 (3.5)
Average precipitation days (≥ 1 mm) 8 11 10 11 11 12 10 14 11 9 8 10

Monthly sunshine hours in King William, Virginia, United States §

The sunniest months in King William are June, July and August, when the sun shines an average of 10 hours 55 minutes a day.Least sunny months in King William: January, February and December receive an average of 5 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in King William, Virginia, 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 161 181 258 279 301 330 352 322 280 260 227 194
Mean daily daylight hours 9h 52m 10h 48m 11h 58m 13h 11m 14h 12m 14h 42m 14h 26m 13h 32m 12h 22m 11h 10m 10h 7m 9h 35m

Solar UV radiation in King William, Virginia, United States §

King William experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 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 King William UV Index data.

Average daily maximum UV levels by month for King William, Virginia, 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 6 7 9 10 10 10 10 8 7 5 3