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Barnegat Bay Sea Temperature in May

New Jersey, United States

April Barnegat Bay year-round → June

Average sea temperature for Barnegat Bay, United States across May, based on 10 years of daily readings.

Average

13.61° C

High

18.88° C

Low

9.39° C

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

May is the 7th warmest of 12 months at Barnegat Bay. On average the water sits 0.6° than the year-round mean of 14.18° C.

Compared to April, May is 4.5° warmer than (9.15° C in April). By June the water is usually 19.41° C.

Barnegat Bay Day-by-Day Water Temperature in May

10-year low, average and high

7.5° C
10.8° C
14.0° C
17.3° C
20.5° 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 Barnegat 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 Barnegat Bay

10-year daily averages

Day Average Low High
May 1 11.4° C 10.1° C 13.37° C
May 2 11.58° C 10.43° C 13.88° C
May 3 11.74° C 10.6° C 13.62° C
May 4 11.85° C 10.63° C 13.17° C
May 5 11.81° C 10.62° C 12.76° C
May 6 11.9° C 10.29° C 12.95° C
May 7 12.13° C 10.77° C 13.33° C
May 8 12.12° C 10.1° C 13.82° C
May 9 12.18° C 9.83° C 14.13° C
May 10 12.44° C 9.39° C 14.32° C
May 11 12.7° C 9.49° C 14.39° C
May 12 12.82° C 9.69° C 14.46° C
May 13 12.66° C 9.83° C 14.59° C
May 14 13.04° C 9.81° C 15.07° C
May 15 13.24° C 9.91° C 15.35° C
May 16 13.32° C 10.68° C 15.21° C
May 17 13.57° C 11.58° C 15.85° C
May 18 13.68° C 12.01° C 16.11° C
May 19 13.9° C 12.39° C 15.94° C
May 20 14.2° C 12.18° C 16.68° C
May 21 14.46° C 12.17° C 16.92° C
May 22 14.7° C 12.3° C 16.93° C
May 23 15.01° C 12.72° C 17.2° C
May 24 15.15° C 12.46° C 17.15° C
May 25 15.26° C 12.38° C 17.15° C
May 26 15.47° C 12.91° C 17.12° C
May 27 15.76° C 13.51° C 17.15° C
May 28 15.91° C 13.94° C 17.38° C
May 29 16.29° C 14.44° C 17.74° C
May 30 16.59° C 15.37° C 18.28° C
May 31 16.93° C 15.31° C 18.88° C

Where May Sits in the Year

May highlighted

-2.5° C
5.6° C
13.8° C
21.9° C
30.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
5.54° C
4.65° C
5.77° C
9.15° C
13.61° C
19.41° C
23.82° C
24.11° C
22.58° C
18.96° C
13.89° C
8.64° C
10-year monthly history for Barnegat 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

Barnegat Bay Location

39.8673, -74.1123

39.86729, -74.11225 View on OpenStreetMap →

Barnegat Bay sits at 39.8673°N, 74.1123°W, on the coast of New Jersey, 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 Barnegat Bay