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Cape Charles Harbor (USCG Wharf), Chesapeake Bay Sea Temperature in July

Virginia, United States

June Cape Charles Harbor (USCG Wharf), Chesapeake Bay year-round → August

Average sea temperature for Cape Charles Harbor (USCG Wharf), Chesapeake Bay, United States across July, based on 10 years of daily readings.

Average

27.44° C

High

29.73° C

Low

25° C

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

July is the 1st warmest of 12 months at Cape Charles Harbor (USCG Wharf), Chesapeake Bay. On average the water sits 11.0° than the year-round mean of 16.41° C.

Compared to June, July is 3.7° warmer than (23.79° C in June). By August the water is usually 27° C.

Cape Charles Harbor (USCG Wharf), Chesapeake Bay Day-by-Day Water Temperature in July

10-year low, average and high

24.0° C
25.6° C
27.3° C
28.9° C
30.5° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through July. Range Average

Each vertical bar above is one day of July. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Cape Charles Harbor (USCG Wharf), Chesapeake Bay.

A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.

July Water Temperature Table for Cape Charles Harbor (USCG Wharf), Chesapeake Bay

10-year daily averages

Day Average Low High
July 1 26.1° C 25.08° C 28.36° C
July 2 26.17° C 25.12° C 28.28° C
July 3 26.3° C 25.04° C 27.95° C
July 4 26.45° C 25° C 27.82° C
July 5 26.59° C 25.63° C 27.69° C
July 6 26.82° C 26.22° C 27.74° C
July 7 26.99° C 26.37° C 27.89° C
July 8 27.07° C 26.23° C 28.13° C
July 9 26.96° C 25.51° C 28.11° C
July 10 26.92° C 25.62° C 28.15° C
July 11 26.97° C 25.91° C 28.2° C
July 12 27.12° C 25.85° C 28.38° C
July 13 27.31° C 26.21° C 28.37° C
July 14 27.59° C 26.44° C 28.55° C
July 15 27.71° C 26.61° C 28.68° C
July 16 27.77° C 26.63° C 28.43° C
July 17 27.87° C 26.66° C 28.5° C
July 18 27.95° C 26.83° C 28.91° C
July 19 28.01° C 27.13° C 29.1° C
July 20 28.09° C 26.91° C 29.35° C
July 21 28.08° C 26.77° C 29.39° C
July 22 28.14° C 26.82° C 29.47° C
July 23 28.07° C 26.93° C 29.29° C
July 24 27.67° C 26.61° C 28.8° C
July 25 27.55° C 26.3° C 28.89° C
July 26 27.66° C 26.43° C 29.05° C
July 27 27.82° C 26.07° C 29.28° C
July 28 27.91° C 26.05° C 29.35° C
July 29 27.96° C 25.87° C 29.61° C
July 30 27.9° C 25.91° C 29.73° C
July 31 27.9° C 26.22° C 29.62° C

Where July Sits in the Year

July highlighted

-4.5° C
5.0° C
14.5° C
24.0° C
33.5° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
5.87° C
4.91° C
8.56° C
13.57° C
18.38° C
23.79° C
27.44° C
27° C
24.81° C
19.87° C
14.23° C
8.51° C
10-year monthly history for Cape Charles Harbor (USCG Wharf), Chesapeake Bay. Bars span historical low to high; the line marks the monthly average. Range Average
January → February → March → April → May → June → July → August → September → October → November → December →

Nearby Locations in July

Compare other United States water for the same month

Cape Charles Harbor (USCG Wharf), Chesapeake Bay Location

37.2633, -76.0200

37.26330, -76.02000 View on OpenStreetMap →

Cape Charles Harbor (USCG Wharf), Chesapeake Bay sits at 37.2633°N, 76.0200°W, on the coast of Virginia, United States. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.

Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.

Nearest locations to Cape Charles Harbor (USCG Wharf), Chesapeake Bay