Morton Weather in May
Average highs run from 78°F on May 1 to 85°F on May 31, and lows from 54°F to 62°F. Normal precipitation for the month is 4.16 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
- 82°F
- Average low
- 58°F
- Precipitation
- 4.16 in
- Record high
- 99°FMay 26, 1964
- Record low
- 36°FMay 4, 2013
- Chance of a freeze
- 0%
- Days of 90°F or more
- 2.5
- Daylight
- 13 h 28 min to 14 h 07 min
- Cloud cover
- 55%
- Humidity
- 77%
- Dew point
- 63°F
- Wind
- 3.8 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 | 78°F | 54°F | 90°F 1987 | 41°F 1988 | 26% | 0% |
| May 2 | 78°F | 54°F | 90°F 2002 | 44°F 2005 | 26% | 0% |
| May 3 | 78°F | 54°F | 88°F 2010 | 40°F 2013 | 27% | 0% |
| May 4 | 79°F | 55°F | 90°F 2022 | 36°F 2013 | 27% | 0% |
| May 5 | 79°F | 55°F | 91°F 2012 | 44°F 1978 | 27% | 0% |
| May 6 | 79°F | 55°F | 91°F 2007 | 44°F 2005 | 27% | 0% |
| May 7 | 79°F | 56°F | 93°F 1984 | 45°F 1989 | 27% | 0% |
| May 8 | 80°F | 56°F | 91°F 2002 | 41°F 1992 | 28% | 0% |
| May 9 | 80°F | 56°F | 92°F 1986 | 43°F 1992 | 28% | 0% |
| May 10 | 80°F | 56°F | 94°F 1973 | 44°F 2020 | 28% | 0% |
| May 11 | 80°F | 57°F | 92°F 2022 | 45°F 1989 | 28% | 0% |
| May 12 | 81°F | 57°F | 93°F 2022 | 42°F 1989 | 29% | 0% |
| May 13 | 81°F | 57°F | 91°F 2007 | 46°F 2013 | 29% | 0% |
| May 14 | 81°F | 58°F | 93°F 2018 | 42°F 1971 | 29% | 0% |
| May 15 | 81°F | 58°F | 94°F 2018 | 47°F 2014 | 30% | 0% |
| May 16 | 82°F | 58°F | 91°F 1988 | 45°F 1973 | 30% | 0% |
| May 17 | 82°F | 59°F | 92°F 1991 | 42°F 2011 | 30% | 0% |
| May 18 | 82°F | 59°F | 91°F 1964 | 44°F 2011 | 30% | 0% |
| May 19 | 82°F | 59°F | 93°F 1964 | 46°F 1976 | 31% | 0% |
| May 20 | 83°F | 59°F | 97°F 1964 | 44°F 2002 | 31% | 0% |
| May 21 | 83°F | 60°F | 94°F 1964 | 45°F 1981 | 31% | 0% |
| May 22 | 83°F | 60°F | 93°F 1964 | 46°F 1993 | 31% | 0% |
| May 23 | 83°F | 60°F | 94°F 1969 | 49°F 2002 | 31% | 0% |
| May 24 | 84°F | 60°F | 95°F 1996 | 47°F 1967 | 31% | 0% |
| May 25 | 84°F | 61°F | 96°F 1964 | 46°F 1979 | 31% | 0% |
| May 26 | 84°F | 61°F | 99°F 1964 | 44°F 1979 | 32% | 0% |
| May 27 | 84°F | 61°F | 96°F 1964 | 50°F 1988 | 32% | 0% |
| May 28 | 84°F | 62°F | 95°F 2011 | 54°F 1968 | 32% | 0% |
| May 29 | 85°F | 62°F | 95°F 1977 | 52°F 1971 | 32% | 0% |
| May 30 | 85°F | 62°F | 96°F 1977 | 45°F 1984 | 32% | 0% |
| May 31 | 85°F | 62°F | 96°F 1977 | 43°F 1984 | 32% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:12 AM, sunset 7:40 PM
- May 31
- sunrise 5:53 AM, sunset 8:00 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00227276 (Raleigh 6N), public domain. Records: NOAA GHCN-Daily, station USW00003940, 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.