nomadseason

Monthly climate in Williamsburg, Virginia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Williamsburg features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (41 °F) and 27 °C (81 °F) through the year, but rarely can drop to -14 °C (6 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1255 mm (49.4 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually.Williamsburg enjoys an average of 3213 hours of sunshine throughout the year, and daylight varies from 9 hours 38 minutes to 14 hours 39 minutes per day.

Monthly average temperatures in Williamsburg, Virginia, United States §

The warmest months in Williamsburg 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 5 to 7 °C (41 - 46 °F) throughout the day. On average each year, Williamsburg experiences 115 days above 25 °C (77.0 °F) and 26 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Williamsburg, 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 22°C
(71°F)		 25°C
(78°F)		 29°C
(84°F)		 31°C
(87°F)		 34°C
(94°F)		 35°C
(95°F)		 37°C
(99°F)		 35°C
(96°F)		 34°C
(93°F)		 32°C
(90°F)		 27°C
(81°F)		 21°C
(71°F)
Mean maximum 20°C
(68°F)		 21°C
(71°F)		 26°C
(79°F)		 28°C
(83°F)		 32°C
(89°F)		 33°C
(92°F)		 34°C
(94°F)		 34°C
(94°F)		 32°C
(90°F)		 29°C
(85°F)		 25°C
(76°F)		 20°C
(69°F)
Average high 9°C
(48°F)		 12°C
(54°F)		 14°C
(58°F)		 20°C
(68°F)		 24°C
(76°F)		 28°C
(83°F)		 31°C
(87°F)		 29°C
(85°F)		 27°C
(80°F)		 22°C
(72°F)		 15°C
(59°F)		 11°C
(53°F)
Daily mean 5°C
(41°F)		 7°C
(46°F)		 10°C
(50°F)		 15°C
(60°F)		 20°C
(68°F)		 24°C
(76°F)		 27°C
(81°F)		 26°C
(79°F)		 23°C
(74°F)		 18°C
(65°F)		 11°C
(51°F)		 7°C
(45°F)
Average low 1°C
(35°F)		 3°C
(39°F)		 6°C
(43°F)		 11°C
(53°F)		 17°C
(62°F)		 21°C
(70°F)		 24°C
(75°F)		 23°C
(74°F)		 20°C
(69°F)		 15°C
(59°F)		 7°C
(44°F)		 4°C
(39°F)
Mean minimum -9°C
(17°F)		 -4°C
(24°F)		 -2°C
(28°F)		 3°C
(38°F)		 9°C
(48°F)		 16°C
(61°F)		 20°C
(68°F)		 19°C
(67°F)		 14°C
(58°F)		 8°C
(46°F)		 -0°C
(31°F)		 -3°C
(27°F)
Minimum -14°C
(6°F)		 -6°C
(21°F)		 -4°C
(26°F)		 1°C
(34°F)		 5°C
(42°F)		 12°C
(54°F)		 18°C
(65°F)		 18°C
(64°F)		 11°C
(52°F)		 4°C
(39°F)		 -2°C
(28°F)		 -7°C
(19°F)

Compare climate in Williamsburg with other places

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

Monthly average precipitation in Williamsburg, Virginia, United States §

Williamsburg usually has the most precipitation in July, August and September, with an average of 12 rainy days and 133 mm (5.2 inches) of precipitation per month.The driest months in Williamsburg are January, November and December. On average, 80 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Williamsburg, 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) 80 (3.1) 106 (4.2) 86 (3.4) 101 (4.0) 106 (4.2) 110 (4.4) 124 (4.9) 160 (6.3) 115 (4.5) 107 (4.2) 76 (3.0) 85 (3.3)
Average precipitation days (≥ 1 mm) 8 11 9 11 11 12 12 15 10 8 8 9

Monthly sunshine hours in Williamsburg, Virginia, United States §

The sunniest months in Williamsburg are June, July and August, when the sun shines an average of 10 hours 59 minutes a day.Least sunny months in Williamsburg: January, February and December receive an average of 6 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Williamsburg, 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 167 183 262 289 311 331 352 327 290 266 230 200
Mean daily daylight hours 9h 55m 10h 49m 11h 59m 13h 10m 14h 10m 14h 39m 14h 23m 13h 30m 12h 22m 11h 11m 10h 9m 9h 38m

Solar UV radiation in Williamsburg, Virginia, United States §

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

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