Sumter County Weather in May
Average highs run from 80°F on May 1 to 87°F on May 31, and lows from 54°F to 65°F.
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
- 59°F
- Record high
- 99°FMay 6, 1955
- Record low
- 40°FMay 1, 1996
- Chance of a freeze
- 0%
- Days of 90°F or more
- 4.3
- Daylight
- 13 h 28 min to 14 h 09 min
- Cloud cover
- 52%
- Humidity
- 77%
- Dew point
- 64°F
- Wind
- 4.3 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 | 80°F | 54°F | 92°F 1987 | 40°F 1996 | |
| May 2 | 81°F | 55°F | 91°F 1952 | 40°F 1996 | |
| May 3 | 81°F | 55°F | 91°F 1952 | 44°F 1961 | |
| May 4 | 81°F | 55°F | 91°F 1952 | 41°F 1971 | |
| May 5 | 81°F | 56°F | 90°F 1952 | 40°F 1971 | |
| May 6 | 81°F | 56°F | 99°F 1955 | 42°F 2013 | |
| May 7 | 82°F | 56°F | 96°F 1952 | 41°F 1992 | |
| May 8 | 82°F | 57°F | 95°F 1952 | 42°F 2013 | |
| May 9 | 82°F | 57°F | 94°F 1952 | 44°F 1954 | |
| May 10 | 82°F | 57°F | 93°F 1986 | 44°F 2020 | |
| May 11 | 82°F | 58°F | 96°F 2004 | 44°F 2020 | |
| May 12 | 83°F | 58°F | 94°F 2002 | 41°F 1952 | |
| May 13 | 83°F | 58°F | 93°F 2002 | 40°F 1960 | |
| May 14 | 83°F | 59°F | 94°F 2018 | 41°F 1960 | |
| May 15 | 83°F | 59°F | 93°F 1956 | 47°F 1959 | |
| May 16 | 84°F | 59°F | 94°F 2023 | 45°F 1973 | |
| May 17 | 84°F | 60°F | 93°F 1962 | 43°F 2013 | |
| May 18 | 84°F | 60°F | 91°F 1957 | 44°F 2011 | |
| May 19 | 84°F | 60°F | 93°F 2022 | 43°F 2010 | |
| May 20 | 85°F | 61°F | 92°F 1962 | 47°F 1976 | |
| May 21 | 85°F | 61°F | 93°F 1998 | 44°F 2002 | |
| May 22 | 85°F | 61°F | 95°F 1996 | 40°F 2001 | |
| May 23 | 85°F | 62°F | 98°F 1956 | 44°F 1993 | |
| May 24 | 85°F | 62°F | 98°F 1996 | 48°F 1993 | |
| May 25 | 86°F | 63°F | 98°F 1996 | 47°F 2014 | |
| May 26 | 86°F | 63°F | 96°F 1953 | 41°F 1979 | |
| May 27 | 86°F | 63°F | 98°F 1955 | 44°F 1961 | |
| May 28 | 86°F | 64°F | 95°F 1964 | 43°F 1961 | |
| May 29 | 87°F | 64°F | 95°F 1953 | 43°F 1961 | |
| May 30 | 87°F | 64°F | 96°F 2020 | 48°F 1984 | |
| May 31 | 87°F | 65°F | 95°F 1977 | 43°F 1984 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:06 AM, sunset 7:34 PM
- May 31
- sunrise 5:46 AM, sunset 7:55 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00014798 (Livingston), public domain. Records: NOAA GHCN-Daily, station USC00012245, 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.