New Middletown Weather in May
Average highs run from 69°F on May 1 to 77°F on May 31, and lows from 42°F to 52°F. Normal precipitation for the month is 3.89 in over about 14 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
- 73°F
- Average low
- 47°F
- Precipitation
- 3.89 in
- Record high
- 95°FMay 28, 1911
- Record low
- 21°FMay 1, 1923
- Chance of a freeze
- 48%
- Days of 90°F or more
- 0.5
- Daylight
- 13 h 59 min to 14 h 54 min
- Cloud cover
- 68%
- Humidity
- 76%
- Dew point
- 51°F
- Wind
- 4.5 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 | 69°F | 42°F | 92°F 1942 | 21°F 1923 | 48% | 0% |
| May 2 | 70°F | 42°F | 89°F 1942 | 21°F 1923 | 48% | 0% |
| May 3 | 70°F | 42°F | 87°F 1942 | 25°F 1986 | 48% | 0% |
| May 4 | 70°F | 43°F | 90°F 2012 | 22°F 1985 | 48% | 0% |
| May 5 | 71°F | 43°F | 90°F 1949 | 25°F 1911 | 48% | 0% |
| May 6 | 71°F | 43°F | 89°F 1949 | 23°F 1968 | 47% | 0% |
| May 7 | 71°F | 44°F | 87°F 1959 | 22°F 1970 | 47% | 0% |
| May 8 | 71°F | 44°F | 89°F 2015 | 26°F 1950 | 47% | 0% |
| May 9 | 72°F | 45°F | 92°F 2015 | 25°F 1976 | 47% | 0% |
| May 10 | 72°F | 45°F | 90°F 2015 | 22°F 1966 | 47% | 0% |
| May 11 | 72°F | 45°F | 90°F 1930 | 23°F 1966 | 47% | 0% |
| May 12 | 72°F | 46°F | 92°F 2015 | 25°F 1907 | 47% | 0% |
| May 13 | 73°F | 46°F | 90°F 1930 | 29°F 1928 | 47% | 0% |
| May 14 | 73°F | 46°F | 91°F 1962 | 25°F 1920 | 47% | 0% |
| May 15 | 73°F | 47°F | 91°F 1962 | 27°F 1920 | 47% | 0% |
| May 16 | 73°F | 47°F | 90°F 1962 | 30°F 1959 | 47% | 0% |
| May 17 | 74°F | 47°F | 91°F 1962 | 30°F 1921 | 47% | 0% |
| May 18 | 74°F | 48°F | 91°F 1962 | 30°F 1925 | 47% | 0% |
| May 19 | 74°F | 48°F | 90°F 1911 | 28°F 1925 | 46% | 0% |
| May 20 | 74°F | 48°F | 90°F 1911 | 29°F 1929 | 46% | 0% |
| May 21 | 75°F | 49°F | 92°F 1941 | 28°F 1905 | 46% | 0% |
| May 22 | 75°F | 49°F | 92°F 1934 | 30°F 2002 | 46% | 0% |
| May 23 | 75°F | 49°F | 92°F 1941 | 28°F 1967 | 46% | 0% |
| May 24 | 75°F | 50°F | 93°F 1925 | 27°F 1963 | 46% | 0% |
| May 25 | 76°F | 50°F | 91°F 1922 | 26°F 1925 | 46% | 0% |
| May 26 | 76°F | 50°F | 92°F 1939 | 32°F 1917 | 46% | 0% |
| May 27 | 76°F | 50°F | 93°F 1939 | 28°F 1915 | 45% | 0% |
| May 28 | 76°F | 51°F | 95°F 1911 | 31°F 1974 | 45% | 0% |
| May 29 | 77°F | 51°F | 92°F 2016 | 32°F 1964 | 45% | 0% |
| May 30 | 77°F | 51°F | 92°F 1919 | 30°F 1930 | 45% | 0% |
| May 31 | 77°F | 52°F | 95°F 1919 | 32°F 1924 | 45% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- May 1
- sunrise 6:20 AM, sunset 8:19 PM
- May 31
- sunrise 5:53 AM, sunset 8:47 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00366233 (New Castle 1 N), public domain. Records: NOAA GHCN-Daily, station USC00366233, 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.