Lowell Weather in May
Average highs run from 62°F on May 1 to 67°F on May 31, and lows from 45°F to 49°F. Normal precipitation for the month is 3.52 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
- 65°F
- Average low
- 47°F
- Precipitation
- 3.52 in
- Record high
- 98°FMay 18, 2008
- Record low
- 23°FMay 1, 1954
- Chance of a freeze
- 0%
- Daylight
- 14 h 12 min to 15 h 14 min
- Cloud cover
- 66%
- Humidity
- 84%
- Dew point
- 48°F
- Wind
- 3.4 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 | 62°F | 45°F | 90°F 2014 | 23°F 1954 | 52% | 0% |
| May 2 | 62°F | 45°F | 85°F 1946 | 28°F 1964 | 51% | 0% |
| May 3 | 62°F | 45°F | 84°F 1992 | 30°F 1981 | 51% | 0% |
| May 4 | 63°F | 45°F | 85°F 1992 | 26°F 1982 | 50% | 0% |
| May 5 | 63°F | 45°F | 87°F 2013 | 25°F 1982 | 49% | 0% |
| May 6 | 63°F | 45°F | 87°F 1992 | 29°F 1978 | 49% | 0% |
| May 7 | 63°F | 45°F | 90°F 1987 | 30°F 1968 | 48% | 0% |
| May 8 | 64°F | 46°F | 84°F 1923 | 26°F 1985 | 48% | 0% |
| May 9 | 64°F | 46°F | 89°F 1987 | 30°F 1955 | 47% | 0% |
| May 10 | 64°F | 46°F | 88°F 1987 | 29°F 1920 | 47% | 0% |
| May 11 | 64°F | 46°F | 92°F 2019 | 30°F 1920 | 47% | 0% |
| May 12 | 64°F | 46°F | 88°F 2024 | 25°F 1985 | 46% | 0% |
| May 13 | 65°F | 46°F | 89°F 1975 | 28°F 1940 | 46% | 0% |
| May 14 | 65°F | 47°F | 93°F 1939 | 30°F 1964 | 46% | 0% |
| May 15 | 65°F | 47°F | 90°F 2023 | 27°F 1985 | 45% | 0% |
| May 16 | 65°F | 47°F | 94°F 2023 | 30°F 1980 | 45% | 0% |
| May 17 | 65°F | 47°F | 96°F 2008 | 31°F 1976 | 45% | 0% |
| May 18 | 65°F | 47°F | 98°F 2008 | 30°F 1931 | 44% | 0% |
| May 19 | 66°F | 47°F | 86°F 2008 | 28°F 1987 | 44% | 0% |
| May 20 | 66°F | 47°F | 90°F 1963 | 30°F 1987 | 44% | 0% |
| May 21 | 66°F | 48°F | 91°F 1988 | 30°F 1992 | 43% | 0% |
| May 22 | 66°F | 48°F | 86°F 2000 | 29°F 1920 | 43% | 0% |
| May 23 | 66°F | 48°F | 97°F 2001 | 30°F 1964 | 42% | 0% |
| May 24 | 66°F | 48°F | 97°F 1992 | 30°F 1972 | 42% | 0% |
| May 25 | 66°F | 48°F | 88°F 1947 | 27°F 1975 | 42% | 0% |
| May 26 | 67°F | 48°F | 85°F 1936 | 31°F 2024 | 41% | 0% |
| May 27 | 67°F | 48°F | 89°F 2005 | 30°F 1921 | 41% | 0% |
| May 28 | 67°F | 48°F | 93°F 1983 | 31°F 1950 | 40% | 0% |
| May 29 | 67°F | 49°F | 88°F 2009 | 31°F 1976 | 40% | 0% |
| May 30 | 67°F | 49°F | 93°F 1931 | 28°F 1920 | 39% | 0% |
| May 31 | 67°F | 49°F | 92°F 1986 | 30°F 1919 | 39% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 6:03 AM, sunset 8:15 PM
- May 31
- sunrise 5:32 AM, sunset 8:46 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00355050 (Lookout Pt Dam), public domain. Records: NOAA GHCN-Daily, station USC00351897, 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.