Williamsburg weather in July

In July, Williamsburg sees average daytime highs of 85°F and overnight lows near 74°F, with 4.1 in of rain across 12.9 wet days and about 14.3 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 85°F through the month. The sky is clear or mostly clear about 30% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 30 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Williamsburg's 9th-clearest and 11th-windiest month. For the whole year in context, see Williamsburg's year-round climate.

Daytime high
85°
1st warmest
Overnight low
74°
12th coldest
Rainfall
4.1 in
12.9 wet days
Daylight
14 h 18 min
5:02 AM – 7:22 PM
Cloud cover
58%
9th clearest
Wind
6 mph
11th windiest
Solar energy
5.93 kWh/m²
Travel score
4.8
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 85°F through the month.

A typical July day in Williamsburg reaches about 85°F in the afternoon and slips back to 74°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 92°F. Set against its neighbours, July runs about 4°F warmer than June and about 2°F warmer than August.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18573
28573
38573
48573
58573
68573
78573
88573
98573
108674
118674
128674
138674
148674
158674
168674
178674
188674
198674
208674
218674
228674
238674
248674
258674
268574
278574
288574
298574
308574
318574

How July really feels in Williamsburg

Once humidity and wind are folded in, July averages 26 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
26
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Williamsburg weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55347
65347
75347
85248
95248
105248
115149
125149
135149
145149
155050
165050
175050
184951
194951
205050
215050
224951
234951
244951
254951
264951
274951
284951
294951
305050
315050

Chance of precipitation in July

Any precipitation

Williamsburg gets around 4.1 in of rain over 12.9 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
538
638
738
838
938
1038
1138
1238
1339
1439
1540
1641
1741
1842
1943
2043
2144
2244
2344
2444
2544
2644
2744
2844
2943
3043
3142

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1141426514
2041426524
3041425525
4031324545
5031324546
6031324537
7031324537
8031323538
9021223549
100212235310
110211235410
120211235311
130210235312
140110235313
15019225513
16019225414
17018225514
18018225415
19017225515
20017225515
21016225615
22016225615
23016225615
24016215715
25015225814
26016225813
27016225813
28016235812
29016235911
30017245810
31017245810

Wind in July

Winds average 6 mph in July.

Across July, 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 July

DaylightNight

Daylight runs from about 14 h 30 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 4:54 AM to 5:14 AM, and sunset from 7:26 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:547:26
214.54:547:26
314.54:557:26
414.54:557:26
514.54:567:26
614.54:567:26
714.54:577:26
814.54:577:25
914.44:587:25
1014.44:597:25
1114.44:597:24
1214.45:007:24
1314.45:007:24
1414.45:017:23
1514.45:027:23
1614.35:027:22
1714.35:037:22
1814.35:047:21
1914.35:057:21
2014.25:057:20
2114.25:067:20
2214.25:077:19
2314.25:087:18
2414.25:087:18
2514.15:097:17
2614.15:107:16
2714.15:117:15
2814.05:127:14
2914.05:127:14
3014.05:137:13
3114.05:147:12

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.93 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 — July's 5.93 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.0Intense
166.0Intense
176.0Bright
185.9Bright
195.9Bright
205.9Bright
215.8Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in July

Hazard calendar for Williamsburg

In seasonPeak

In July, 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 July a good time to visit Williamsburg?

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

4.8
Sightseeing
7th-best month of the year
6.5
Beach & pool
3rd-best month of the year

July 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 July

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

In July, Williamsburg sees daytime highs around 85°F and nights near 74°F. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Williamsburg in July

The nearest coast averages about 78°F in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).