Sea Isle City Weather in May
Average highs run from 70°F on May 1 to 77°F on May 31, and lows from 46°F to 56°F. Normal precipitation for the month is 3.52 in over about 11 wet days.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 73°F
- Average low
- 51°F
- Precipitation
- 3.52 in
- Record high
- 95°FMay 31, 1991
- Record low
- 33°FMay 21, 1992
- Chance of a freeze
- 31%
- Days of 90°F or more
- 1.6
- Daylight
- 13 h 52 min to 14 h 43 min
- Cloud cover
- 61%
- Humidity
- 87%
- Dew point
- 54°F
- Wind
- 12.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| May 1 | 70°F | 46°F | 84°F 2010 | 35°F 2000 | 37% | |
| May 2 | 70°F | 47°F | 86°F 2010 | 36°F 1903 | 37% | |
| May 3 | 70°F | 47°F | 87°F 1913 | 34°F 1882 | 37% | |
| May 4 | 71°F | 47°F | 86°F 2021 | 38°F 1931 | 37% | |
| May 5 | 71°F | 48°F | 85°F 2000 | 36°F 1931 | 37% | |
| May 6 | 71°F | 48°F | 89°F 1986 | 37°F 1972 | 37% | |
| May 7 | 71°F | 48°F | 91°F 2000 | 37°F 1970 | 37% | |
| May 8 | 72°F | 49°F | 90°F 1930 | 34°F 1981 | 37% | |
| May 9 | 72°F | 49°F | 86°F 1930 | 38°F 1917 | 37% | |
| May 10 | 72°F | 49°F | 89°F 1896 | 34°F 1966 | 37% | |
| May 11 | 72°F | 50°F | 91°F 1896 | 38°F 1955 | 36% | |
| May 12 | 72°F | 50°F | 89°F 2015 | 36°F 1907 | 36% | |
| May 13 | 73°F | 50°F | 85°F 1991 | 39°F 1928 | 36% | 0% |
| May 14 | 73°F | 50°F | 87°F 1900 | 37°F 1996 | 36% | 0% |
| May 15 | 73°F | 51°F | 85°F 1900 | 39°F 1998 | 36% | 0% |
| May 16 | 73°F | 51°F | 86°F 1998 | 40°F 1966 | 36% | 0% |
| May 17 | 74°F | 51°F | 88°F 1986 | 40°F 1950 | 36% | 0% |
| May 18 | 74°F | 52°F | 90°F 1977 | 42°F 1955 | 36% | 0% |
| May 19 | 74°F | 52°F | 91°F 2017 | 40°F 2009 | 36% | 0% |
| May 20 | 74°F | 52°F | 92°F 1996 | 40°F 1992 | 36% | 0% |
| May 21 | 74°F | 53°F | 91°F 2022 | 33°F 1992 | 36% | 0% |
| May 22 | 75°F | 53°F | 89°F 2021 | 39°F 2002 | 36% | 0% |
| May 23 | 75°F | 53°F | 93°F 1925 | 43°F 1929 | 36% | 0% |
| May 24 | 75°F | 53°F | 90°F 1992 | 42°F 1963 | 36% | 0% |
| May 25 | 75°F | 54°F | 89°F 1991 | 38°F 1956 | 36% | 0% |
| May 26 | 76°F | 54°F | 93°F 2007 | 39°F 1956 | 36% | 0% |
| May 27 | 76°F | 54°F | 91°F 1914 | 42°F 1956 | 36% | 0% |
| May 28 | 76°F | 55°F | 89°F 1991 | 41°F 1997 | 36% | 0% |
| May 29 | 76°F | 55°F | 91°F 1987 | 41°F 1997 | 36% | 0% |
| May 30 | 77°F | 55°F | 94°F 1987 | 40°F 1961 | 36% | 0% |
| May 31 | 77°F | 56°F | 95°F 1991 | 43°F 1996 | 36% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- May 1
- sunrise 6:00 AM, sunset 7:52 PM
- May 31
- sunrise 5:35 AM, sunset 8:18 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00282805 (Estell Manor), public domain. Records: NOAA GHCN-Daily, station USC00281351, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.