Sumter Weather in June
Average highs run from 84°F on June 1 to 90°F on June 30, and lows from 62°F to 69°F. Normal precipitation for the month is 5.05 in over about 12 wet days.
June day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
June at a glance
- Average high
- 87°F
- Average low
- 66°F
- Precipitation
- 5.05 in
- Record high
- 103°FJun 17, 1945
- Record low
- 43°FJun 1, 1930
- Chance of a freeze
- 0%
- Days of 90°F or more
- 12.8
- Daylight
- 14 h 16 min to 14 h 22 min
- Cloud cover
- 57%
- Humidity
- 70%
- Dew point
- 67°F
- Wind
- 7.2 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 |
|---|---|---|---|---|---|---|
| Jun 1 | 84°F | 62°F | 101°F 1945 | 43°F 1930 | 35% | 0% |
| Jun 2 | 85°F | 63°F | 102°F 1945 | 47°F 1983 | 35% | 0% |
| Jun 3 | 85°F | 63°F | 101°F 1951 | 50°F 1953 | 36% | 0% |
| Jun 4 | 85°F | 63°F | 101°F 1943 | 50°F 1988 | 36% | 0% |
| Jun 5 | 85°F | 63°F | 102°F 1943 | 48°F 1988 | 36% | 0% |
| Jun 6 | 86°F | 64°F | 101°F 1943 | 48°F 1976 | 36% | 0% |
| Jun 7 | 86°F | 64°F | 97°F 1939 | 49°F 1976 | 36% | 0% |
| Jun 8 | 86°F | 64°F | 100°F 1947 | 52°F 1977 | 37% | 0% |
| Jun 9 | 86°F | 65°F | 102°F 1947 | 53°F 1913 | 37% | 0% |
| Jun 10 | 86°F | 65°F | 102°F 1947 | 50°F 1931 | 37% | 0% |
| Jun 11 | 87°F | 65°F | 102°F 1963 | 51°F 1913 | 37% | 0% |
| Jun 12 | 87°F | 65°F | 101°F 1993 | 48°F 1913 | 37% | 0% |
| Jun 13 | 87°F | 66°F | 101°F 1958 | 51°F 1903 | 37% | 0% |
| Jun 14 | 87°F | 66°F | 101°F 1958 | 51°F 1979 | 37% | 0% |
| Jun 15 | 87°F | 66°F | 100°F 1958 | 50°F 1979 | 37% | 0% |
| Jun 16 | 88°F | 66°F | 102°F 1981 | 51°F 1961 | 37% | 0% |
| Jun 17 | 88°F | 67°F | 103°F 1945 | 52°F 1961 | 37% | 0% |
| Jun 18 | 88°F | 67°F | 102°F 1944 | 48°F 1992 | 37% | 0% |
| Jun 19 | 88°F | 67°F | 102°F 1970 | 49°F 1961 | 37% | 0% |
| Jun 20 | 88°F | 67°F | 102°F 1970 | 55°F 1961 | 37% | 0% |
| Jun 21 | 89°F | 67°F | 101°F 1942 | 56°F 1966 | 37% | 0% |
| Jun 22 | 89°F | 68°F | 103°F 1990 | 58°F 1966 | 37% | 0% |
| Jun 23 | 89°F | 68°F | 101°F 1944 | 54°F 1947 | 37% | 0% |
| Jun 24 | 89°F | 68°F | 102°F 1944 | 54°F 1947 | 37% | 0% |
| Jun 25 | 89°F | 68°F | 101°F 1952 | 55°F 1936 | 37% | 0% |
| Jun 26 | 89°F | 68°F | 103°F 1952 | 56°F 1936 | 37% | 0% |
| Jun 27 | 89°F | 68°F | 103°F 1954 | 54°F 2012 | 37% | 0% |
| Jun 28 | 90°F | 69°F | 101°F 1931 | 54°F 1988 | 37% | 0% |
| Jun 29 | 90°F | 69°F | 102°F 1936 | 54°F 1992 | 37% | 0% |
| Jun 30 | 90°F | 69°F | 103°F 1902 | 54°F 1992 | 37% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- June 1
- sunrise 6:11 AM, sunset 8:27 PM
- June 30
- sunrise 6:14 AM, sunset 8:36 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00388440 (Sumter), public domain. Records: NOAA GHCN-Daily, station USC00388440, 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.