Superior Weather in May
Average highs run from 52°F on May 1 to 62°F on May 31, and lows from 37°F to 45°F. Normal precipitation for the month is 3.37 in over about 12 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
- 57°F
- Average low
- 41°F
- Precipitation
- 3.37 in
- Record high
- 96°FMay 31, 1939
- Record low
- 11°FMay 3, 1967
- Chance of a freeze
- 72%
- Daylight
- 14 h 25 min to 15 h 35 min
- Cloud cover
- 70%
- Humidity
- 75%
- Dew point
- 44°F
- Wind
- 8.9 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 | 52°F | 37°F | 91°F 1952 | 20°F 1966 | 34% | 2% |
| May 2 | 53°F | 37°F | 81°F 2012 | 21°F 1909 | 34% | 2% |
| May 3 | 53°F | 37°F | 81°F 2000 | 11°F 1967 | 34% | 2% |
| May 4 | 54°F | 38°F | 91°F 1980 | 18°F 1957 | 35% | 1% |
| May 5 | 54°F | 38°F | 83°F 1941 | 21°F 1957 | 35% | 1% |
| May 6 | 54°F | 38°F | 95°F 2016 | 23°F 1989 | 35% | 1% |
| May 7 | 55°F | 39°F | 90°F 1953 | 19°F 1956 | 36% | 1% |
| May 8 | 55°F | 39°F | 90°F 1953 | 22°F 1956 | 36% | 1% |
| May 9 | 55°F | 39°F | 85°F 1953 | 14°F 1966 | 36% | 1% |
| May 10 | 56°F | 39°F | 88°F 2007 | 19°F 1966 | 36% | 1% |
| May 11 | 56°F | 40°F | 90°F 2025 | 20°F 1960 | 36% | 1% |
| May 12 | 56°F | 40°F | 89°F 2025 | 21°F 1960 | 37% | 1% |
| May 13 | 57°F | 40°F | 89°F 1977 | 23°F 1953 | 37% | 1% |
| May 14 | 57°F | 41°F | 91°F 1977 | 24°F 1964 | 37% | 0% |
| May 15 | 57°F | 41°F | 91°F 1932 | 23°F 1967 | 37% | 0% |
| May 16 | 58°F | 41°F | 89°F 2018 | 20°F 1957 | 37% | 0% |
| May 17 | 58°F | 41°F | 89°F 1962 | 20°F 1955 | 37% | 0% |
| May 18 | 58°F | 42°F | 88°F 1955 | 30°F 1950 | 37% | 0% |
| May 19 | 59°F | 42°F | 88°F 1970 | 28°F 1912 | 37% | 0% |
| May 20 | 59°F | 42°F | 89°F 1994 | 27°F 1954 | 37% | 0% |
| May 21 | 59°F | 42°F | 90°F 1964 | 27°F 1958 | 38% | 0% |
| May 22 | 59°F | 43°F | 94°F 1964 | 25°F 1967 | 38% | 0% |
| May 23 | 60°F | 43°F | 91°F 1964 | 24°F 2013 | 38% | 0% |
| May 24 | 60°F | 43°F | 84°F 1985 | 23°F 1956 | 38% | 0% |
| May 25 | 60°F | 43°F | 89°F 2018 | 31°F 1955 | 38% | 0% |
| May 26 | 60°F | 44°F | 88°F 1914 | 25°F 1961 | 38% | 0% |
| May 27 | 61°F | 44°F | 86°F 1966 | 29°F 1947 | 38% | 0% |
| May 28 | 61°F | 44°F | 94°F 1969 | 29°F 1966 | 38% | 0% |
| May 29 | 61°F | 44°F | 92°F 1986 | 27°F 1961 | 38% | 0% |
| May 30 | 62°F | 45°F | 94°F 1986 | 25°F 1966 | 38% | 0% |
| May 31 | 62°F | 45°F | 96°F 1939 | 24°F 1967 | 38% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 5:53 AM, sunset 8:18 PM
- May 31
- sunrise 5:19 AM, sunset 8:54 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00478349 (Superior), public domain. Records: NOAA GHCN-Daily, station USC00478349, 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.