Biloxi Weather in May
Average highs run from 79°F on May 1 to 86°F on May 31, and lows from 65°F to 72°F. Normal precipitation for the month is 5.23 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
- 83°F
- Average low
- 68°F
- Precipitation
- 5.23 in
- Record high
- 98°FMay 24, 1896
- Record low
- 42°FMay 4, 2013
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.2
- Daylight
- 13 h 22 min to 13 h 59 min
- Cloud cover
- 48%
- Humidity
- 76%
- Dew point
- 67°F
- Wind
- 8.7 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 | 79°F | 65°F | 90°F 1943 | 45°F 1908 | 21% | 0% |
| May 2 | 80°F | 65°F | 90°F 1896 | 48°F 1909 | 21% | 0% |
| May 3 | 80°F | 65°F | 89°F 1900 | 48°F 2026 | 21% | 0% |
| May 4 | 80°F | 65°F | 94°F 1952 | 42°F 2013 | 21% | 0% |
| May 5 | 80°F | 66°F | 90°F 1952 | 45°F 1945 | 21% | 0% |
| May 6 | 80°F | 66°F | 90°F 1949 | 45°F 1945 | 21% | 0% |
| May 7 | 81°F | 66°F | 92°F 1896 | 47°F 1992 | 22% | 0% |
| May 8 | 81°F | 66°F | 90°F 1896 | 47°F 1992 | 22% | 0% |
| May 9 | 81°F | 67°F | 93°F 1952 | 49°F 1917 | 22% | 0% |
| May 10 | 81°F | 67°F | 92°F 1916 | 47°F 1923 | 22% | 0% |
| May 11 | 82°F | 67°F | 94°F 1896 | 51°F 1906 | 23% | 0% |
| May 12 | 82°F | 67°F | 93°F 1916 | 45°F 1952 | 23% | 0% |
| May 13 | 82°F | 68°F | 94°F 1911 | 45°F 1960 | 23% | 0% |
| May 14 | 82°F | 68°F | 95°F 2018 | 51°F 1977 | 23% | 0% |
| May 15 | 83°F | 68°F | 91°F 2023 | 50°F 1917 | 24% | 0% |
| May 16 | 83°F | 68°F | 91°F 1896 | 52°F 2014 | 24% | 0% |
| May 17 | 83°F | 69°F | 95°F 1998 | 50°F 2011 | 25% | 0% |
| May 18 | 83°F | 69°F | 93°F 1896 | 49°F 1945 | 25% | 0% |
| May 19 | 84°F | 69°F | 96°F 1962 | 46°F 1894 | 25% | 0% |
| May 20 | 84°F | 69°F | 94°F 1896 | 50°F 1894 | 26% | 0% |
| May 21 | 84°F | 70°F | 94°F 1964 | 51°F 1954 | 26% | 0% |
| May 22 | 84°F | 70°F | 93°F 1896 | 49°F 1954 | 27% | 0% |
| May 23 | 85°F | 70°F | 95°F 1896 | 52°F 1977 | 27% | 0% |
| May 24 | 85°F | 70°F | 98°F 1896 | 53°F 1931 | 28% | 0% |
| May 25 | 85°F | 71°F | 97°F 1896 | 54°F 1928 | 28% | 0% |
| May 26 | 85°F | 71°F | 98°F 1953 | 50°F 1979 | 29% | 0% |
| May 27 | 85°F | 71°F | 98°F 1896 | 51°F 1961 | 29% | 0% |
| May 28 | 86°F | 71°F | 97°F 1953 | 53°F 1961 | 30% | 0% |
| May 29 | 86°F | 71°F | 98°F 1896 | 58°F 1906 | 31% | 0% |
| May 30 | 86°F | 72°F | 95°F 1896 | 52°F 1984 | 31% | 0% |
| May 31 | 86°F | 72°F | 96°F 1896 | 51°F 1984 | 32% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:12 AM, sunset 7:34 PM
- May 31
- sunrise 5:54 AM, sunset 7:53 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00220792 (Biloxi), public domain. Records: NOAA GHCN-Daily, station USC00220792, 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.