Florence Weather in May
Average highs run from 89°F on May 1 to 99°F on May 31, and lows from 56°F to 65°F. Normal precipitation for the month is 0.36 in over about 1 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
- 94°F
- Average low
- 61°F
- Precipitation
- 0.36 in
- Record high
- 115°FMay 31, 1910
- Record low
- 32°FMay 1, 1967
- Chance of a freeze
- 0%
- Days of 90°F or more
- 23.1
- Daylight
- 13 h 30 min to 14 h 11 min
- Cloud cover
- 25%
- Humidity
- 24%
- Dew point
- 32°F
- Wind
- 7.8 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 | 89°F | 56°F | 105°F 1947 | 32°F 1967 | 2% |
| May 2 | 89°F | 57°F | 110°F 1947 | 39°F 1967 | 3% |
| May 3 | 90°F | 57°F | 113°F 1947 | 38°F 1955 | 3% |
| May 4 | 90°F | 57°F | 111°F 1947 | 37°F 1950 | 3% |
| May 5 | 90°F | 58°F | 109°F 1947 | 40°F 1950 | 3% |
| May 6 | 91°F | 58°F | 109°F 1947 | 37°F 1975 | 3% |
| May 7 | 91°F | 58°F | 108°F 1947 | 39°F 1917 | 3% |
| May 8 | 91°F | 58°F | 105°F 1989 | 36°F 1964 | 3% |
| May 9 | 92°F | 59°F | 108°F 1934 | 37°F 1938 | 3% |
| May 10 | 92°F | 59°F | 109°F 1934 | 39°F 1930 | 3% |
| May 11 | 92°F | 59°F | 111°F 1960 | 40°F 1953 | 3% |
| May 12 | 93°F | 60°F | 110°F 1960 | 40°F 1933 | 3% |
| May 13 | 93°F | 60°F | 110°F 1978 | 42°F 1942 | 3% |
| May 14 | 93°F | 60°F | 109°F 1937 | 43°F 1933 | 3% |
| May 15 | 94°F | 61°F | 109°F 1937 | 45°F 1933 | 4% |
| May 16 | 94°F | 61°F | 108°F 1937 | 39°F 1911 | 4% |
| May 17 | 94°F | 61°F | 110°F 1956 | 44°F 1951 | 4% |
| May 18 | 95°F | 62°F | 110°F 1970 | 42°F 1977 | 4% |
| May 19 | 95°F | 62°F | 107°F 2008 | 42°F 1911 | 4% |
| May 20 | 96°F | 62°F | 107°F 1942 | 39°F 1974 | 4% |
| May 21 | 96°F | 62°F | 108°F 2005 | 43°F 1945 | 4% |
| May 22 | 96°F | 63°F | 110°F 1967 | 42°F 1975 | 4% |
| May 23 | 97°F | 63°F | 110°F 1984 | 44°F 1932 | 4% |
| May 24 | 97°F | 63°F | 111°F 1983 | 46°F 1939 | 4% |
| May 25 | 97°F | 64°F | 109°F 1949 | 41°F 1980 | 4% |
| May 26 | 98°F | 64°F | 114°F 1951 | 43°F 1916 | 3% |
| May 27 | 98°F | 64°F | 113°F 1983 | 42°F 1911 | 3% |
| May 28 | 98°F | 65°F | 114°F 1958 | 45°F 1929 | 3% |
| May 29 | 99°F | 65°F | 113°F 1910 | 41°F 1953 | 3% |
| May 30 | 99°F | 65°F | 114°F 1910 | 41°F 1925 | 3% |
| May 31 | 99°F | 65°F | 115°F 1910 | 40°F 1925 | 3% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- May 1
- sunrise 5:38 AM, sunset 7:08 PM
- May 31
- sunrise 5:18 AM, sunset 7:29 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00023027 (Florence), public domain. Records: NOAA GHCN-Daily, station USC00023027, 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.