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

Virginia, United States

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

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

Average

18.38° C

High

22.53° C

Low

14.52° C

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

May is the 6th warmest of 12 months at Cape Charles Harbor (USCG Wharf), Chesapeake Bay. On average the water sits 2.0° than the year-round mean of 16.41° C.

Compared to April, May is 4.8° warmer than (13.57° C in April). By June the water is usually 23.79° C.

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

10-year low, average and high

13.0° C
15.8° C
18.5° C
21.3° C
24.0° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through May. Range Average

Each vertical bar above is one day of May. 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.

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

10-year daily averages

Day Average Low High
May 1 16.22° C 15.17° C 17.6° C
May 2 16.39° C 15.34° C 17.84° C
May 3 16.77° C 15.53° C 18.32° C
May 4 16.9° C 15.72° C 17.91° C
May 5 16.94° C 15.72° C 18.44° C
May 6 17.17° C 15.98° C 18.85° C
May 7 17.37° C 15.92° C 19.31° C
May 8 17.43° C 16.01° C 19.7° C
May 9 17.4° C 15.01° C 19.77° C
May 10 17.47° C 14.73° C 19.62° C
May 11 17.41° C 14.52° C 19.53° C
May 12 17.19° C 14.59° C 19.39° C
May 13 17.3° C 14.89° C 19.8° C
May 14 17.58° C 15° C 20.2° C
May 15 18.03° C 16° C 20.55° C
May 16 18.42° C 16.62° C 21.04° C
May 17 18.71° C 17.13° C 21.15° C
May 18 18.9° C 17.19° C 21.56° C
May 19 19.01° C 16.9° C 21.63° C
May 20 19.14° C 16.43° C 21.57° C
May 21 19.26° C 16.35° C 21.29° C
May 22 19.63° C 16.85° C 20.53° C
May 23 20.09° C 17.6° C 21° C
May 24 20.08° C 17.53° C 21.17° C
May 25 19.66° C 17.31° C 21.73° C
May 26 19.75° C 17.97° C 21.88° C
May 27 20.05° C 18.58° C 22.07° C
May 28 20.34° C 19.32° C 22.3° C
May 29 20.72° C 19.9° C 22.53° C
May 30 20.72° C 19.32° C 22.24° C
May 31 20.76° C 19.01° C 22.16° C

Where May Sits in the Year

May 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 May

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