Climateby Month

Williamsburg, VA climate by month

NOAA 1991-2020 normals · 85 ft elevation

Summers in Williamsburg are hot and oppressively humid; winters are chilly. Highs peak at 89°F in July and fall to 49°F in January. Wet days are spread through the year, from about 9 to 12 a month. Normal snowfall is about 9.6 in a year. The most comfortable time to visit is April and May.

Warmest month
89°F
July normal high
Coldest month
31°F
January normal low
Wet days a year
125
51.2 in of precipitation
Snow a year
9.6 in
normal snowfall

How warm is Williamsburg?

Normal highs range from 49°F in January to 89°F in July.

20°40°60°80°100° January: normal high 49°F (9°C), low 31°F (-1°C) 49° 31° February: normal high 52°F (11°C), low 32°F (0°C) March: normal high 60°F (16°C), low 39°F (4°C) April: normal high 70°F (21°C), low 48°F (9°C) May: normal high 77°F (25°C), low 57°F (14°C) June: normal high 84°F (29°C), low 65°F (18°C) July: normal high 89°F (32°C), low 70°F (21°C) 89° 70° August: normal high 87°F (31°C), low 69°F (21°C) September: normal high 81°F (27°C), low 63°F (17°C) October: normal high 71°F (22°C), low 51°F (11°C) November: normal high 61°F (16°C), low 41°F (5°C) December: normal high 53°F (12°C), low 34°F (1°C) JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Williamsburg?

July has the most wet days (about 12); the year brings about 51 in of precipitation.

January: 11 wet days February: 10 wet days March: 11 wet days April: 10 wet days May: 11 wet days June: 11 wet days July: 12 wet days 12 August: 11 wet days September: 10 wet days October: 9 wet days 9 November: 9 wet days December: 11 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How much does it snow?

Normal snowfall is 9.6 in a year, most of it in January.

January: 4.3 in of snow 4.3 February: 2.6 in of snow March: 1.0 in of snow April: 0.1 in of snow May: 0.0 in of snow 0.0 June: 0.0 in of snow July: 0.0 in of snow August: 0.0 in of snow September: 0.0 in of snow October: 0.0 in of snow November: 0.0 in of snow December: 1.6 in of snow JFMAMJJASOND

How humid is Williamsburg?

Muggy days peak in August, at about 24 days.

January: 0 muggy days 0 February: 0 muggy days March: 0 muggy days April: 0 muggy days May: 6 muggy days June: 17 muggy days July: 24 muggy days August: 24 muggy days 24 September: 15 muggy days October: 4 muggy days November: 0 muggy days December: 0 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Nwpt News/Wimburg Intl Apt, 15 mi SE of the city center (the nearest airport with complete hourly records).

How much daylight?

Daylight ranges from about 9.6 hours in December to 14.7 hours in June.

January: 9.9 hours of daylight February: 10.8 hours of daylight March: 12.0 hours of daylight April: 13.2 hours of daylight May: 14.2 hours of daylight June: 14.7 hours of daylight 14.7 July: 14.4 hours of daylight August: 13.6 hours of daylight September: 12.4 hours of daylight October: 11.2 hours of daylight November: 10.2 hours of daylight December: 9.6 hours of daylight 9.6 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Williamsburg, 1991-2020
MonthHighLowPrecip.Wet daysSnowMuggy daysDaylight
January 49°F31°F 3.8 in11 4.3 in 0 9.9 h
February 52°F32°F 3.0 in10 2.6 in 0 10.8 h
March 60°F39°F 4.3 in11 1.0 in 0 12.0 h
April 70°F48°F 4.0 in10 0.1 in 0 13.2 h
May 77°F57°F 3.9 in11 0.0 in 6 14.2 h
June 84°F65°F 4.2 in11 0.0 in 17 14.7 h
July 89°F70°F 5.9 in12 0.0 in 24 14.4 h
August 87°F69°F 5.7 in11 0.0 in 24 13.6 h
September 81°F63°F 5.4 in10 0.0 in 15 12.4 h
October 71°F51°F 4.2 in9 0.0 in 4 11.2 h
November 61°F41°F 3.1 in9 0.0 in 0 10.2 h
December 53°F34°F 3.8 in11 1.6 in 0 9.6 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Williamsburg

By our comfort score, the best months are April and May.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 42477
Feb 48464
Mar 591071
Apr 691470
May 661272
Jun 52378
Jul 420915
Aug 450710
Sep 54663
Oct 651550
Nov 55960
Dec 44473

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.

Frost dates in Williamsburg

The last spring frost typically comes around Mar 31, and the first fall frost around Nov 10, leaving 225 frost-free days in a typical year.

Frost and freeze dates for Williamsburg
Typical date1 year in 10
Last spring frost (32°F)Mar 31after Apr 14
First fall frost (32°F)Nov 10before Oct 29
Last hard freeze (28°F)Mar 20after Apr 4
First hard freeze (28°F)Nov 23before Nov 7
Frost-free season225 daysunder 205 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Williamsburg 2 N (USC00449151), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Virginia.

Hottest and coldest readings, 1991-2020

The highest reading was 103°F (July 25, 2010, and 1 other day); the lowest was 0°F (January 7, 2018, and 1 other day).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Williamsburg

Similar climates elsewhere

Where the numbers come from

  • Temperature, rain and frost dates: Williamsburg 2 N (USC00449151), 2.1 mi N of the city center, 70 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: W Pt 2 Nw (USC00449025), 21 mi NNW of the city center, 20 ft (65 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Newport News Intl Airport (USW00093741), 15 mi SE of the city center, 42 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Nwpt News/Wimburg Intl Apt (723086-93741), 15 mi SE of the city center, 36 ft . Hourly observations, 1991-2020.

Distances from the city center (USGS). Methodology · Report an error