Swannanoa Weather in May
Average highs run from 67°F on May 1 to 71°F on May 31, and lows from 47°F to 53°F. Normal precipitation for the month is 4.12 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
- 69°F
- Average low
- 50°F
- Precipitation
- 4.12 in
- Snowfall
- 0.7 in
- Record high
- 93°FMay 19, 1996
- Record low
- 27°FMay 10, 1947
- Chance of a freeze
- 27%
- Daylight
- 13 h 38 min to 14 h 23 min
- Cloud cover
- 60%
- Humidity
- 79%
- Dew point
- 55°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 | 67°F | 47°F | 86°F 2007 | 32°F 1996 | 40% | 3% |
| May 2 | 67°F | 47°F | 86°F 1992 | 35°F 1988 | 39% | 3% |
| May 3 | 67°F | 47°F | 85°F 1965 | 32°F 1981 | 39% | 3% |
| May 4 | 67°F | 48°F | 88°F 1996 | 29°F 1971 | 39% | 3% |
| May 5 | 67°F | 48°F | 88°F 2014 | 32°F 1997 | 39% | 3% |
| May 6 | 68°F | 48°F | 91°F 1950 | 30°F 1954 | 39% | 2% |
| May 7 | 68°F | 48°F | 85°F 1952 | 33°F 1989 | 39% | 2% |
| May 8 | 68°F | 49°F | 85°F 2014 | 28°F 1989 | 39% | 2% |
| May 9 | 68°F | 49°F | 90°F 1952 | 32°F 1946 | 39% | 2% |
| May 10 | 68°F | 49°F | 86°F 2015 | 27°F 1947 | 39% | 2% |
| May 11 | 69°F | 49°F | 86°F 1953 | 30°F 1954 | 39% | 2% |
| May 12 | 69°F | 49°F | 88°F 1980 | 31°F 1954 | 39% | 1% |
| May 13 | 69°F | 50°F | 87°F 1982 | 32°F 1951 | 39% | 1% |
| May 14 | 69°F | 50°F | 87°F 1970 | 32°F 1952 | 39% | 1% |
| May 15 | 69°F | 50°F | 86°F 1947 | 39°F 2002 | 39% | 1% |
| May 16 | 69°F | 50°F | 88°F 1952 | 36°F 1973 | 39% | 1% |
| May 17 | 69°F | 50°F | 89°F 1951 | 34°F 1967 | 39% | 1% |
| May 18 | 69°F | 51°F | 90°F 1996 | 30°F 1973 | 39% | 1% |
| May 19 | 70°F | 51°F | 93°F 1996 | 35°F 2009 | 39% | 1% |
| May 20 | 70°F | 51°F | 89°F 1996 | 36°F 2002 | 39% | 1% |
| May 21 | 70°F | 51°F | 88°F 1996 | 36°F 1993 | 39% | 1% |
| May 22 | 70°F | 51°F | 89°F 1953 | 32°F 1954 | 39% | 0% |
| May 23 | 70°F | 52°F | 93°F 1953 | 34°F 1954 | 40% | 0% |
| May 24 | 70°F | 52°F | 89°F 1953 | 38°F 1954 | 40% | 0% |
| May 25 | 70°F | 52°F | 90°F 1953 | 37°F 1951 | 40% | 0% |
| May 26 | 70°F | 52°F | 90°F 2019 | 41°F 1949 | 40% | 0% |
| May 27 | 70°F | 52°F | 88°F 2000 | 38°F 1988 | 40% | 0% |
| May 28 | 71°F | 53°F | 91°F 2019 | 35°F 1951 | 41% | 0% |
| May 29 | 71°F | 53°F | 91°F 2019 | 43°F 1949 | 41% | 0% |
| May 30 | 71°F | 53°F | 91°F 1969 | 42°F 1984 | 41% | 0% |
| May 31 | 71°F | 53°F | 90°F 1953 | 34°F 1984 | 42% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- May 1
- sunrise 6:38 AM, sunset 8:16 PM
- May 31
- sunrise 6:16 AM, sunset 8:39 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00318448 (Swannanoa 2 Sse), public domain. Records: NOAA GHCN-Daily, station USW00003812, 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.