Aiken Weather in May
Average highs run from 81°F on May 1 to 87°F on May 31, and lows from 56°F to 65°F. Normal precipitation for the month is 3.53 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
- 84°F
- Average low
- 61°F
- Precipitation
- 3.53 in
- Record high
- 106°FMay 20, 1902
- Record low
- 34°FMay 3, 1981
- Chance of a freeze
- 0%
- Days of 90°F or more
- 9.7
- Daylight
- 13 h 32 min to 14 h 13 min
- Cloud cover
- 53%
- Humidity
- 71%
- Dew point
- 61°F
- Wind
- 7.6 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 | 81°F | 56°F | 96°F 1990 | 36°F 1996 | 23% | 0% |
| May 2 | 81°F | 56°F | 95°F 1990 | 40°F 1909 | 23% | 0% |
| May 3 | 81°F | 57°F | 95°F 1987 | 34°F 1981 | 23% | 0% |
| May 4 | 81°F | 57°F | 99°F 1902 | 36°F 1971 | 23% | 0% |
| May 5 | 82°F | 57°F | 97°F 1906 | 39°F 1973 | 23% | 0% |
| May 6 | 82°F | 57°F | 94°F 1902 | 35°F 1981 | 23% | 0% |
| May 7 | 82°F | 58°F | 94°F 1955 | 40°F 1981 | 23% | 0% |
| May 8 | 82°F | 58°F | 96°F 1940 | 34°F 1989 | 23% | 0% |
| May 9 | 82°F | 58°F | 94°F 1936 | 36°F 1981 | 23% | 0% |
| May 10 | 83°F | 59°F | 95°F 1911 | 34°F 1986 | 23% | 0% |
| May 11 | 83°F | 59°F | 98°F 1911 | 40°F 1966 | 23% | 0% |
| May 12 | 83°F | 59°F | 98°F 1905 | 41°F 1969 | 23% | 0% |
| May 13 | 83°F | 60°F | 98°F 2000 | 40°F 1960 | 24% | 0% |
| May 14 | 84°F | 60°F | 98°F 1985 | 43°F 1917 | 24% | 0% |
| May 15 | 84°F | 60°F | 99°F 1902 | 42°F 2002 | 24% | 0% |
| May 16 | 84°F | 60°F | 94°F 1915 | 40°F 1981 | 24% | 0% |
| May 17 | 84°F | 61°F | 98°F 1995 | 39°F 1984 | 24% | 0% |
| May 18 | 84°F | 61°F | 99°F 1902 | 39°F 1984 | 24% | 0% |
| May 19 | 85°F | 61°F | 100°F 1996 | 41°F 1976 | 25% | 0% |
| May 20 | 85°F | 62°F | 106°F 1902 | 40°F 2002 | 25% | 0% |
| May 21 | 85°F | 62°F | 102°F 1902 | 43°F 2002 | 25% | 0% |
| May 22 | 85°F | 62°F | 98°F 1902 | 43°F 1993 | 25% | 0% |
| May 23 | 85°F | 63°F | 99°F 1941 | 39°F 2002 | 26% | 0% |
| May 24 | 86°F | 63°F | 99°F 1902 | 42°F 2002 | 26% | 0% |
| May 25 | 86°F | 63°F | 101°F 2000 | 43°F 1906 | 26% | 0% |
| May 26 | 86°F | 64°F | 100°F 1926 | 48°F 1985 | 26% | 0% |
| May 27 | 86°F | 64°F | 101°F 1916 | 41°F 1988 | 27% | 0% |
| May 28 | 86°F | 64°F | 103°F 1902 | 45°F 1988 | 27% | 0% |
| May 29 | 86°F | 65°F | 102°F 1902 | 47°F 1907 | 27% | 0% |
| May 30 | 87°F | 65°F | 98°F 1902 | 48°F 1990 | 28% | 0% |
| May 31 | 87°F | 65°F | 100°F 1902 | 49°F 1930 | 28% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- May 1
- sunrise 6:38 AM, sunset 8:10 PM
- May 31
- sunrise 6:18 AM, sunset 8:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00380074 (Aiken 5SE), public domain. Records: NOAA GHCN-Daily, station USC00380074, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.