Cass County Weather in May
Average highs run from 61°F on May 1 to 71°F on May 31, and lows from 38°F to 50°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
- 66°F
- Average low
- 44°F
- Record high
- 102°FMay 31, 1934
- Record low
- 12°FMay 3, 1907
- Chance of a freeze
- 71%
- Daylight
- 14 h 26 min to 15 h 37 min
- Cloud cover
- 66%
- Humidity
- 71%
- Dew point
- 44°F
- Wind
- 11.6 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 | 61°F | 38°F | 88°F 1901 | 15°F 1966 | ||
| May 2 | 61°F | 39°F | 91°F 1959 | 15°F 1907 | ||
| May 3 | 62°F | 39°F | 93°F 1949 | 12°F 1907 | ||
| May 4 | 62°F | 40°F | 87°F 1952 | 15°F 1907 | ||
| May 5 | 62°F | 40°F | 88°F 1918 | 14°F 1907 | ||
| May 6 | 63°F | 40°F | 88°F 2000 | 18°F 1906 | ||
| May 7 | 63°F | 41°F | 85°F 1953 | 19°F 1907 | ||
| May 8 | 64°F | 41°F | 88°F 2000 | 20°F 1907 | ||
| May 9 | 64°F | 42°F | 85°F 1928 | 19°F 1966 | ||
| May 10 | 64°F | 42°F | 85°F 2007 | 21°F 1907 | ||
| May 11 | 65°F | 42°F | 83°F 1922 | 23°F 1907 | ||
| May 12 | 65°F | 43°F | 92°F 2025 | 23°F 1928 | ||
| May 13 | 66°F | 43°F | 91°F 1900 | 20°F 1895 | ||
| May 14 | 66°F | 44°F | 92°F 1932 | 23°F 1945 | ||
| May 15 | 66°F | 44°F | 89°F 1991 | 23°F 1897 | ||
| May 16 | 67°F | 44°F | 84°F 1901 | 20°F 1929 | ||
| May 17 | 67°F | 45°F | 90°F 1972 | 27°F 1940 | ||
| May 18 | 67°F | 45°F | 89°F 1972 | 26°F 1915 | ||
| May 19 | 68°F | 46°F | 91°F 1998 | 23°F 1924 | ||
| May 20 | 68°F | 46°F | 86°F 1975 | 26°F 1907 | ||
| May 21 | 68°F | 46°F | 92°F 1964 | 22°F 1895 | ||
| May 22 | 69°F | 47°F | 91°F 1964 | 28°F 1926 | ||
| May 23 | 69°F | 47°F | 87°F 1928 | 26°F 1963 | ||
| May 24 | 69°F | 47°F | 87°F 1944 | 26°F 1925 | ||
| May 25 | 69°F | 48°F | 89°F 2010 | 25°F 1893 | 0% | |
| May 26 | 70°F | 48°F | 90°F 2018 | 24°F 1895 | 0% | |
| May 27 | 70°F | 48°F | 91°F 1980 | 26°F 1917 | 0% | |
| May 28 | 70°F | 49°F | 95°F 1934 | 26°F 1905 | 0% | |
| May 29 | 71°F | 49°F | 92°F 2006 | 29°F 1906 | 0% | |
| May 30 | 71°F | 49°F | 96°F 1939 | 32°F 1903 | 0% | |
| May 31 | 71°F | 50°F | 102°F 1934 | 24°F 1897 | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:02 AM, sunset 8:28 PM
- May 31
- sunrise 5:27 AM, sunset 9:04 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00212050 (Deep Portage), public domain. Records: NOAA GHCN-Daily, station USC00214652, 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.