Lyons Weather in May
Average highs run from 82°F on May 1 to 89°F on May 31, and lows from 58°F to 67°F. Normal precipitation for the month is 3.44 in over about 9 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
- 86°F
- Average low
- 63°F
- Precipitation
- 3.44 in
- Record high
- 102°FMay 31, 1927
- Record low
- 40°FMay 5, 1940
- Chance of a freeze
- 0%
- Days of 90°F or more
- 8.0
- Daylight
- 13 h 27 min to 14 h 07 min
- Cloud cover
- 51%
- Humidity
- 69%
- Dew point
- 62°F
- Wind
- 7.6 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 | 82°F | 58°F | 91°F 2007 | 45°F 1921 | 26% | 0% |
| May 2 | 82°F | 59°F | 92°F 2007 | 44°F 1925 | 26% | 0% |
| May 3 | 83°F | 59°F | 94°F 1930 | 45°F 1940 | 26% | 0% |
| May 4 | 83°F | 59°F | 97°F 1927 | 44°F 1921 | 27% | 0% |
| May 5 | 83°F | 60°F | 94°F 2002 | 40°F 1940 | 27% | 0% |
| May 6 | 83°F | 60°F | 93°F 2012 | 45°F 1925 | 27% | 0% |
| May 7 | 84°F | 60°F | 94°F 1922 | 47°F 1925 | 27% | 0% |
| May 8 | 84°F | 61°F | 96°F 1922 | 48°F 1921 | 27% | 0% |
| May 9 | 84°F | 61°F | 97°F 1932 | 44°F 1928 | 27% | 0% |
| May 10 | 84°F | 61°F | 95°F 1936 | 45°F 1923 | 27% | 0% |
| May 11 | 85°F | 62°F | 97°F 1922 | 44°F 1923 | 27% | 0% |
| May 12 | 85°F | 62°F | 98°F 1922 | 48°F 1940 | 28% | 0% |
| May 13 | 85°F | 62°F | 98°F 1933 | 49°F 1940 | 28% | 0% |
| May 14 | 85°F | 62°F | 99°F 1933 | 44°F 2013 | 28% | 0% |
| May 15 | 86°F | 63°F | 99°F 1933 | 47°F 2002 | 28% | 0% |
| May 16 | 86°F | 63°F | 98°F 1933 | 46°F 1927 | 29% | 0% |
| May 17 | 86°F | 63°F | 96°F 1933 | 43°F 1927 | 29% | 0% |
| May 18 | 86°F | 64°F | 94°F 1930 | 46°F 2011 | 29% | 0% |
| May 19 | 86°F | 64°F | 97°F 1938 | 48°F 2011 | 29% | 0% |
| May 20 | 87°F | 64°F | 97°F 1938 | 44°F 2002 | 29% | 0% |
| May 21 | 87°F | 65°F | 99°F 1938 | 44°F 2002 | 30% | 0% |
| May 22 | 87°F | 65°F | 101°F 1933 | 51°F 2002 | 30% | 0% |
| May 23 | 87°F | 65°F | 98°F 1938 | 44°F 2002 | 30% | 0% |
| May 24 | 87°F | 65°F | 97°F 1927 | 48°F 1931 | 30% | 0% |
| May 25 | 88°F | 66°F | 98°F 1926 | 49°F 2015 | 31% | 0% |
| May 26 | 88°F | 66°F | 99°F 1926 | 50°F 1935 | 31% | 0% |
| May 27 | 88°F | 66°F | 99°F 1921 | 50°F 1930 | 31% | 0% |
| May 28 | 88°F | 66°F | 96°F 2000 | 53°F 1934 | 31% | 0% |
| May 29 | 88°F | 67°F | 99°F 1927 | 54°F 1934 | 31% | 0% |
| May 30 | 88°F | 67°F | 97°F 1937 | 55°F 1926 | 31% | 0% |
| May 31 | 89°F | 67°F | 102°F 1927 | 55°F 1926 | 32% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- May 1
- sunrise 6:43 AM, sunset 8:10 PM
- May 31
- sunrise 6:24 AM, sunset 8:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00095811 (Metter), public domain. Records: NOAA GHCN-Daily, station USC00094204, 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.