Jefferson Weather in May
Average highs run from 85°F on May 1 to 91°F on May 31, and lows from 66°F to 73°F. Normal precipitation for the month is 5.39 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
- 88°F
- Average low
- 69°F
- Precipitation
- 5.39 in
- Record high
- 97°FMay 15, 2018
- Record low
- 41°FMay 13, 1960
- Chance of a freeze
- 0%
- Days of 90°F or more
- 10.0
- Daylight
- 13 h 20 min to 13 h 57 min
- Cloud cover
- 49%
- Humidity
- 77%
- Dew point
- 68°F
- Wind
- 9.4 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 | 85°F | 66°F | 91°F 1978 | 49°F 1965 | 22% |
| May 2 | 85°F | 66°F | 92°F 2002 | 49°F 1965 | 22% |
| May 3 | 85°F | 66°F | 90°F 2002 | 51°F 1968 | 22% |
| May 4 | 85°F | 67°F | 92°F 1952 | 46°F 2013 | 22% |
| May 5 | 85°F | 67°F | 92°F 1952 | 47°F 1973 | 22% |
| May 6 | 86°F | 67°F | 92°F 1952 | 49°F 1968 | 23% |
| May 7 | 86°F | 67°F | 91°F 1952 | 47°F 1968 | 23% |
| May 8 | 86°F | 68°F | 91°F 1998 | 48°F 1992 | 23% |
| May 9 | 86°F | 68°F | 91°F 1986 | 48°F 1992 | 23% |
| May 10 | 87°F | 68°F | 90°F 1979 | 51°F 1969 | 23% |
| May 11 | 87°F | 68°F | 91°F 2003 | 51°F 1960 | 24% |
| May 12 | 87°F | 68°F | 92°F 2022 | 47°F 1960 | 24% |
| May 13 | 87°F | 69°F | 90°F 1962 | 41°F 1960 | 24% |
| May 14 | 88°F | 69°F | 96°F 2018 | 48°F 1960 | 25% |
| May 15 | 88°F | 69°F | 97°F 2018 | 52°F 1971 | 25% |
| May 16 | 88°F | 69°F | 95°F 2018 | 46°F 1973 | 25% |
| May 17 | 88°F | 70°F | 94°F 2018 | 51°F 1967 | 26% |
| May 18 | 88°F | 70°F | 94°F 1962 | 55°F 1967 | 26% |
| May 19 | 89°F | 70°F | 92°F 1998 | 55°F 1976 | 27% |
| May 20 | 89°F | 70°F | 94°F 1998 | 55°F 1976 | 27% |
| May 21 | 89°F | 71°F | 92°F 2005 | 53°F 1981 | 28% |
| May 22 | 89°F | 71°F | 93°F 1956 | 53°F 1954 | 28% |
| May 23 | 90°F | 71°F | 93°F 1972 | 50°F 1993 | 29% |
| May 24 | 90°F | 71°F | 94°F 2005 | 56°F 1967 | 29% |
| May 25 | 90°F | 71°F | 94°F 1953 | 57°F 2017 | 30% |
| May 26 | 90°F | 72°F | 93°F 1980 | 48°F 1979 | 30% |
| May 27 | 90°F | 72°F | 94°F 1975 | 54°F 1961 | 31% |
| May 28 | 90°F | 72°F | 96°F 1953 | 54°F 1961 | 31% |
| May 29 | 91°F | 72°F | 94°F 1953 | 55°F 1961 | 32% |
| May 30 | 91°F | 72°F | 95°F 1977 | 55°F 1960 | 33% |
| May 31 | 91°F | 73°F | 96°F 1951 | 52°F 1984 | 33% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:18 AM, sunset 7:38 PM
- May 31
- sunrise 6:00 AM, sunset 7:57 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00012930 (New Orleans Audubon), public domain. Records: NOAA GHCN-Daily, station USW00012916, 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.