Williamsburg weather in August

In August, Williamsburg sees average daytime highs of 83°F and overnight lows near 72°F, with 4.3 in of rain across 10.9 wet days and about 13.4 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 83°F through the month. The sky is clear or mostly clear about 33% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 54 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Williamsburg's 5th-clearest and 12th-windiest month. For the whole year in context, see Williamsburg's year-round climate.

Daytime high
83°
2nd warmest
Overnight low
72°
11th coldest
Rainfall
4.3 in
10.9 wet days
Daylight
13 h 24 min
5:28 AM – 6:54 PM
Cloud cover
56%
5th clearest
Wind
6 mph
12th windiest
Solar energy
5.27 kWh/m²
Travel score
5.6
out of 10

Williamsburg is independent city in Virginia, United States.

Density
640/km²
people per km²
Founded
1638

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 83°F through the month.

A typical August day in Williamsburg reaches about 83°F in the afternoon and slips back to 72°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 90°F. Set against its neighbours, August runs about 2°F cooler than July and about 6°F warmer than September.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18574
28573
38573
48573
58473
68473
78473
88473
98473
108473
118473
128473
138473
148473
158473
168372
178372
188372
198372
208372
218372
228372
238372
248372
258371
268371
278271
288271
298271
308271
318271

How August really feels in Williamsburg

Once humidity and wind are folded in, August averages 2 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
2
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Williamsburg weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan47° / 34°3.49.31.89.71.6
Feb50° / 35°3.18.41.610.62.2
Mar57° / 42°4.19.70.811.74.1
Apr67° / 52°3.29.50.112.96.2
May74° / 61°3.510.40146.7
Jun82° / 69°3.610.5014.56.1
Jul85° / 74°4.112.9014.34.8
Aug83° / 72°4.310.9013.45.6
Sep78° / 66°4.59.9012.36.8
Oct69° / 55°3.87.50116.8
Nov58° / 45°3.37.80.1104.7
Dec51° / 38°3.490.89.52.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35149
45248
55248
65248
75347
85347
95446
105446
115446
125446
135446
145446
155545
165545
175545
185545
195644
205644
215644
225644
235545
245644
255644
265545
275446
285545
295446
305545
315446

Chance of precipitation in August

Any precipitation

Williamsburg gets around 4.3 in of rain over 10.9 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
340
440
540
639
739
839
940
1040
1140
1239
1339
1438
1538
1637
1736
1836
1935
2034
2134
2233
2332
2432
2532
2632
2732
2832
2932
3033
3133

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101725589
202825569
302826559
402926549
502927539
602928529
702929519
8029295010
9039304910
10039314810
11039314710
12039324611
13039324511
14039334511
150310334411
160310344310
170311344310
18031135429
19031235429
20031235428
21031335427
22031335427
23031435426
24031535426
25031534425
26031634415
27031734415
28041834404
29041833404
30141933394
31141933394

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 54 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:15 AM to 5:41 AM, and sunset from 7:11 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:157:11
213.95:167:10
313.95:177:09
413.85:177:08
513.85:187:07
613.85:197:06
713.75:207:05
813.75:217:04
913.75:227:03
1013.75:227:02
1113.65:237:00
1213.65:246:59
1313.55:256:58
1413.55:266:57
1513.55:276:55
1613.45:286:54
1713.45:296:53
1813.45:296:52
1913.35:306:50
2013.35:316:49
2113.35:326:48
2213.25:336:46
2313.25:346:45
2413.15:356:43
2513.15:356:42
2613.15:366:41
2713.05:376:39
2813.05:386:38
2913.05:396:36
3012.95:406:35
3112.95:416:33

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.27 kWh/m².

For context, solar energy here swings from a low near 2.11 kWh/m² to a high of 6.11 kWh/m² in June across the year — August's 5.27 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
314.8Bright
Planning a trip in August

Hazard calendar for Williamsburg

In seasonPeak

In August, Williamsburg sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Williamsburg sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Williamsburg?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
6th-best month of the year
6.8
Beach & pool
1st-best month of the year

August is a reasonable time to visit Williamsburg for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Williamsburg in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Williamsburg sees daytime highs around 83°F and nights near 72°F. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Williamsburg in August

The nearest coast averages about 79°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 33 mi away) is warmest in August at about 79°F and coldest in February near 41°F.

It's comfortable for a long swim from Jun 4 to Oct 13 — about 4.3 months when the water holds above 68°F.

40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan43Bracing
Feb41Bracing
Mar45Bracing
Apr53Bracing
May62Cool
Jun72Refreshing
Jul78Warm
Aug79Warm
Sep76Warm
Oct67Cool
Nov57Bracing
Dec49Bracing

UV index in Williamsburg in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Williamsburg peaks around July 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 10UV 9Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Williamsburg in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Williamsburg is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1416 µg/m³Nov 217 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar10Good
Apr11Good
May13Moderate
Jun15Moderate
Jul16Moderate
Aug13Moderate
Sep11Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Williamsburg?

Williamsburg sits at 37.3°N, 76.7°W, 82 ft above sea level, in United States. The nearest listed city is Newport News, 25 mi away.

Topography around Williamsburg

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Williamsburg.

Within 2 miles, the terrain around Williamsburg has only modest variations in elevation — a maximum elevation change of 187 ft around an average of 85 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 210 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 636 ft.

The land around Williamsburg is covered by trees (73%) within 2 miles, trees (55%) and water (29%) within 10 miles, and trees (57%) and water (25%) within 50 miles.

2 miles
187 ft
10 miles
210 ft
50 miles
636 ft
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Newport News 25 mi · Hampton 26 mi · East Hampton 26 mi · Hopewell 32 mi · Portsmouth Heights 36 mi · Norfolk 37 mi · Portsmouth 38 mi · Suffolk 38 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Williamsburg (37.2707°, -76.7075°, elevation 82 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).