Manitowoc Weather in May
Average highs run from 56°F on May 1 to 67°F on May 31, and lows from 39°F to 49°F. Normal precipitation for the month is 3.44 in over about 11 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
- 62°F
- Average low
- 44°F
- Precipitation
- 3.44 in
- Record high
- 95°FMay 3, 1902
- Record low
- 21°FMay 8, 1967
- Chance of a freeze
- 46%
- Daylight
- 14 h 12 min to 15 h 15 min
- Cloud cover
- 72%
- Humidity
- 80%
- Dew point
- 44°F
- Wind
- 12.5 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 | 56°F | 39°F | 88°F 1952 | 26°F 1907 | 33% | |
| May 2 | 57°F | 40°F | 84°F 1992 | 26°F 1911 | 33% | |
| May 3 | 57°F | 40°F | 95°F 1902 | 27°F 1986 | 33% | |
| May 4 | 57°F | 40°F | 90°F 1952 | 27°F 1907 | 33% | |
| May 5 | 58°F | 41°F | 85°F 1952 | 27°F 1907 | 33% | |
| May 6 | 58°F | 41°F | 93°F 1934 | 26°F 1989 | 33% | |
| May 7 | 58°F | 41°F | 85°F 1934 | 29°F 1974 | 33% | |
| May 8 | 59°F | 42°F | 84°F 1936 | 21°F 1967 | 33% | |
| May 9 | 59°F | 42°F | 92°F 1934 | 28°F 1947 | 33% | |
| May 10 | 59°F | 42°F | 88°F 1896 | 23°F 1966 | 34% | |
| May 11 | 60°F | 43°F | 82°F 1956 | 26°F 1907 | 34% | 0% |
| May 12 | 60°F | 43°F | 85°F 1977 | 28°F 1967 | 34% | 0% |
| May 13 | 61°F | 43°F | 89°F 1977 | 30°F 1910 | 34% | 0% |
| May 14 | 61°F | 44°F | 87°F 1977 | 29°F 1910 | 34% | 0% |
| May 15 | 61°F | 44°F | 87°F 1932 | 32°F 1920 | 34% | 0% |
| May 16 | 62°F | 44°F | 84°F 2026 | 30°F 1895 | 34% | 0% |
| May 17 | 62°F | 45°F | 86°F 1911 | 30°F 1983 | 34% | 0% |
| May 18 | 62°F | 45°F | 86°F 1996 | 30°F 1981 | 34% | 0% |
| May 19 | 63°F | 45°F | 89°F 1903 | 31°F 2002 | 34% | 0% |
| May 20 | 63°F | 46°F | 90°F 1972 | 29°F 1895 | 34% | 0% |
| May 21 | 63°F | 46°F | 89°F 1998 | 29°F 1895 | 34% | 0% |
| May 22 | 64°F | 46°F | 91°F 1921 | 21°F 2003 | 35% | 0% |
| May 23 | 64°F | 47°F | 87°F 1936 | 30°F 1963 | 35% | 0% |
| May 24 | 64°F | 47°F | 82°F 1902 | 34°F 1925 | 35% | 0% |
| May 25 | 65°F | 47°F | 86°F 1911 | 25°F 1983 | 35% | 0% |
| May 26 | 65°F | 48°F | 89°F 1941 | 33°F 1897 | 35% | 0% |
| May 27 | 65°F | 48°F | 84°F 1988 | 31°F 1961 | 35% | 0% |
| May 28 | 66°F | 48°F | 91°F 1969 | 33°F 1894 | 35% | 0% |
| May 29 | 66°F | 49°F | 87°F 2006 | 32°F 1965 | 35% | 0% |
| May 30 | 66°F | 49°F | 92°F 1939 | 35°F 1894 | 35% | 0% |
| May 31 | 67°F | 49°F | 91°F 1925 | 35°F 1897 | 35% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 5:42 AM, sunset 7:54 PM
- May 31
- sunrise 5:11 AM, sunset 8:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00475017 (Manitowoc), public domain. Records: NOAA GHCN-Daily, station USC00475017, 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.