Williamsburg, VA weather in July
Williamsburg is hot and oppressively humid in July, with frequent rain: highs average 89°F and nights drop to about 70°F. Expect about 12 wet days. This is the peak of the warm season in Williamsburg.
- Normal high
- 89°F
- Normal low
- 70°F
- Wet days
- 12
- 5.9 in total
- Muggy days
- 24
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 88°F | 88°F |
| Normal low | 69°F | 70°F |
| Chance of a wet day | 36% | 39% |
| Sunrise / sunset | 5:50 am / 8:31 pm | 6:10 am / 8:15 pm |
| Daylight | 14.7 h | 14.1 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical July day
- 6 am74°Fdew point 69°F
- 9 am82°Fdew point 70°F
- Noon86°Fdew point 69°F
- 3 pm87°Fdew point 69°F
- 6 pm84°Fdew point 69°F
- 9 pm77°Fdew point 70°F
NOAA hourly normals (local standard time) from Newport News Intl Airport (15 mi away); average wind 8 mph; clear or few clouds in 66% of daytime hours, mostly cloudy or overcast in 25%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more15 of 31
- Muggy daysdaily mean dew point 65°F or more24 of 31
- Wet daysat least 0.01 in of rain or melted snow12 of 31
- Notable rainat least 0.10 in9 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 5.9 in; a dry July brings about 3.8 in and a wet one about 7.6 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more.
How July varies from year to year
- Warmest July, 1991-20201993: average high 93°F
- Coolest July2009: average high 85°F
- Wettest July2004: 12.0 in
- Driest July1993: 1.3 in
- Highest reading103°F (July 25, 2010)
- Lowest reading48°F (July 25, 2007)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 84°F | 89°F | 87°F |
| Normal low | 65°F | 70°F | 69°F |
| Wet days | 11 | 12 | 11 |
| Comfortable days | 3 | 0 | 0 |
| Daylight | 14.7 h | 14.4 h | 13.6 h |
Highs change by +5°F from June and -2°F into August.
Nearby alternatives in July
- Drier: Nags Head, NC109 mi · high 86°F · 9 wet days
- Cooler: Fayetteville, WV246 mi · high 81°F · 13 wet days
How Williamsburg ranks in July
- Normal high173rd warmest of 378 cities; 3rd of 5 in Virginia
- Wet days319th driest of 378
- Comfortable days226th most of 340
What to pack for Williamsburg in July
- Light, breathable clothing – highs near 89°F and about 24 muggy days
- A rain jacket or umbrella – rain on about 12 days
- Sunglasses and sunscreen – about 14.4 hours of daylight and highs near 89°F
Heating and cooling
July has 0 heating degree days and 445 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.
Questions
How hot is Williamsburg in July?
The normal high is 89°F and the normal low is 70°F. From 1991 to 2020 the hottest July reading was 103°F (most recently on July 25, 2010).
Does it rain a lot in Williamsburg in July?
About 12 days in July have at least 0.01 in of precipitation, and the normal total is 5.9 in. The wettest July in 1991-2020 was in 2004 (12.0 in); the driest was in 1993 (1.3 in).
Is July a good time to visit Williamsburg?
July ranks 12th of 12 months on our comfort score for Williamsburg (42 out of 100). It has almost no comfortable days and about 15 days at 90°F or hotter. The best months are April and May.
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.