Deerfield Weather in May
Average highs run from 73°F on May 1 to 85°F on May 31, and lows from 44°F to 56°F. Normal precipitation for the month is 2.36 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
- 79°F
- Average low
- 50°F
- Precipitation
- 2.36 in
- Snowfall
- 0.2 in
- Record high
- 107°FMay 29, 1974
- Record low
- 12°FMay 1, 1893
- Chance of a freeze
- 11%
- Days of 90°F or more
- 6.0
- Daylight
- 13 h 48 min to 14 h 37 min
- Cloud cover
- 57%
- Humidity
- 52%
- Dew point
- 44°F
- Wind
- 12.1 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 | 73°F | 44°F | 95°F 1943 | 12°F 1893 | 22% | 1% |
| May 2 | 73°F | 44°F | 100°F 1992 | 24°F 1893 | 23% | 1% |
| May 3 | 73°F | 45°F | 97°F 1965 | 13°F 1893 | 23% | 1% |
| May 4 | 74°F | 45°F | 98°F 1952 | 27°F 1907 | 23% | 1% |
| May 5 | 74°F | 45°F | 99°F 2012 | 31°F 1944 | 23% | 1% |
| May 6 | 75°F | 46°F | 100°F 2012 | 30°F 1893 | 23% | 1% |
| May 7 | 75°F | 46°F | 100°F 2004 | 28°F 1917 | 23% | 1% |
| May 8 | 75°F | 47°F | 101°F 1963 | 17°F 1893 | 23% | 1% |
| May 9 | 76°F | 47°F | 101°F 1956 | 28°F 1893 | 23% | 1% |
| May 10 | 76°F | 47°F | 101°F 1893 | 30°F 1924 | 23% | 1% |
| May 11 | 77°F | 48°F | 102°F 1962 | 26°F 1946 | 23% | 0% |
| May 12 | 77°F | 48°F | 102°F 1962 | 31°F 1953 | 23% | 0% |
| May 13 | 77°F | 49°F | 99°F 1941 | 26°F 1966 | 23% | 0% |
| May 14 | 78°F | 49°F | 98°F 1963 | 25°F 1953 | 23% | 0% |
| May 15 | 78°F | 50°F | 100°F 2026 | 28°F 1907 | 23% | 0% |
| May 16 | 79°F | 50°F | 97°F 1908 | 32°F 1923 | 23% | 0% |
| May 17 | 79°F | 50°F | 105°F 1927 | 30°F 1910 | 24% | 0% |
| May 18 | 80°F | 51°F | 100°F 1956 | 37°F 1893 | 24% | 0% |
| May 19 | 80°F | 51°F | 104°F 1996 | 30°F 1894 | 24% | 0% |
| May 20 | 80°F | 52°F | 102°F 2004 | 32°F 1943 | 24% | 0% |
| May 21 | 81°F | 52°F | 104°F 1925 | 32°F 1915 | 24% | 0% |
| May 22 | 81°F | 52°F | 103°F 2005 | 15°F 1893 | 24% | 0% |
| May 23 | 82°F | 53°F | 100°F 1996 | 18°F 1893 | 24% | 0% |
| May 24 | 82°F | 53°F | 103°F 2000 | 38°F 1930 | 24% | 0% |
| May 25 | 82°F | 54°F | 103°F 1967 | 31°F 1893 | 24% | 0% |
| May 26 | 83°F | 54°F | 104°F 1953 | 30°F 1901 | 24% | 0% |
| May 27 | 83°F | 54°F | 103°F 2006 | 29°F 1907 | 24% | 0% |
| May 28 | 84°F | 55°F | 102°F 2006 | 37°F 1917 | 24% | 0% |
| May 29 | 84°F | 55°F | 107°F 1974 | 36°F 1893 | 24% | 0% |
| May 30 | 84°F | 56°F | 105°F 2000 | 28°F 1893 | 24% | 0% |
| May 31 | 85°F | 56°F | 101°F 1913 | 33°F 1894 | 25% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:48 AM, sunset 8:36 PM
- May 31
- sunrise 6:24 AM, sunset 9:01 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00144464 (Lakin), public domain. Records: NOAA GHCN-Daily, station USC00144464, 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.