Dauphin Island Weather in May
Average highs run from 77°F on May 1 to 84°F on May 31, and lows from 67°F to 74°F. Normal precipitation for the month is 5.01 in over about 7 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
- 81°F
- Average low
- 71°F
- Precipitation
- 5.01 in
- Record high
- 98°FMay 27, 1953
- Record low
- 29°FMay 15, 1926
- Chance of a freeze
- 0%
- Days of 90°F or more
- 0.6
- Daylight
- 13 h 21 min to 13 h 58 min
- Cloud cover
- 47%
- Humidity
- 78%
- Dew point
- 67°F
- Wind
- 8.1 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 77°F | 67°F | 90°F 1954 | 45°F 2020 | 22% |
| May 2 | 78°F | 68°F | 92°F 1954 | 43°F 1925 | 22% |
| May 3 | 78°F | 68°F | 91°F 1943 | 45°F 1921 | 22% |
| May 4 | 78°F | 68°F | 94°F 1943 | 42°F 1921 | 22% |
| May 5 | 78°F | 69°F | 94°F 1952 | 43°F 2013 | 22% |
| May 6 | 79°F | 69°F | 94°F 1952 | 45°F 1945 | 22% |
| May 7 | 79°F | 69°F | 91°F 1949 | 45°F 1944 | 22% |
| May 8 | 79°F | 69°F | 91°F 1952 | 46°F 1992 | 22% |
| May 9 | 79°F | 70°F | 92°F 1941 | 47°F 1924 | 22% |
| May 10 | 80°F | 70°F | 92°F 1986 | 42°F 1923 | 22% |
| May 11 | 80°F | 70°F | 93°F 1955 | 46°F 2020 | 22% |
| May 12 | 80°F | 70°F | 93°F 2002 | 46°F 1924 | 22% |
| May 13 | 80°F | 71°F | 93°F 1962 | 40°F 2006 | 22% |
| May 14 | 80°F | 71°F | 95°F 2000 | 44°F 2006 | 22% |
| May 15 | 81°F | 71°F | 95°F 2018 | 29°F 1926 | 22% |
| May 16 | 81°F | 71°F | 93°F 2018 | 46°F 2014 | 23% |
| May 17 | 81°F | 72°F | 92°F 1933 | 48°F 1927 | 23% |
| May 18 | 81°F | 72°F | 93°F 1998 | 45°F 2011 | 23% |
| May 19 | 82°F | 72°F | 96°F 1962 | 47°F 2011 | 23% |
| May 20 | 82°F | 72°F | 94°F 1937 | 50°F 2002 | 24% |
| May 21 | 82°F | 73°F | 93°F 1937 | 47°F 1954 | 24% |
| May 22 | 82°F | 73°F | 92°F 1933 | 48°F 1919 | 24% |
| May 23 | 82°F | 73°F | 96°F 1996 | 51°F 1993 | 25% |
| May 24 | 83°F | 73°F | 95°F 1996 | 51°F 1993 | 25% |
| May 25 | 83°F | 73°F | 95°F 1953 | 53°F 1931 | 25% |
| May 26 | 83°F | 74°F | 96°F 1953 | 48°F 1979 | 26% |
| May 27 | 83°F | 74°F | 98°F 1953 | 49°F 1961 | 26% |
| May 28 | 83°F | 74°F | 97°F 1953 | 49°F 1961 | 26% |
| May 29 | 84°F | 74°F | 97°F 1941 | 55°F 1988 | 27% |
| May 30 | 84°F | 74°F | 96°F 1937 | 50°F 1984 | 27% |
| May 31 | 84°F | 74°F | 96°F 1921 | 50°F 1984 | 28% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:09 AM, sunset 7:30 PM
- May 31
- sunrise 5:51 AM, sunset 7:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00012172 (Dauphin Is #2), public domain. Records: NOAA GHCN-Daily, station USC00012813, 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.