Ketchikan Weather in May
Average highs run from 56°F on May 1 to 63°F on May 31, and lows from 42°F to 48°F. Normal precipitation for the month is 7.19 in over about 16 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
- 59°F
- Average low
- 45°F
- Precipitation
- 7.19 in
- Record high
- 93°FMay 13, 1912
- Record low
- 25°FMay 5, 1913
- Chance of a freeze
- 4%
- Daylight
- 15 h 19 min to 17 h 02 min
- Cloud cover
- 71%
- Humidity
- 82%
- Dew point
- 40°F
- Wind
- 5.1 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 | 56°F | 42°F | 70°F 1989 | 27°F 1915 | 55% | 2% |
| May 2 | 56°F | 42°F | 76°F 1915 | 29°F 1919 | 55% | 2% |
| May 3 | 56°F | 42°F | 79°F 1915 | 27°F 1917 | 54% | 1% |
| May 4 | 56°F | 43°F | 81°F 1915 | 27°F 1913 | 54% | 1% |
| May 5 | 57°F | 43°F | 79°F 1915 | 25°F 1913 | 53% | 1% |
| May 6 | 57°F | 43°F | 77°F 1914 | 25°F 1913 | 53% | 1% |
| May 7 | 57°F | 43°F | 77°F 1914 | 30°F 1911 | 53% | 1% |
| May 8 | 57°F | 43°F | 74°F 1957 | 30°F 1916 | 52% | 1% |
| May 9 | 58°F | 44°F | 78°F 2020 | 28°F 1971 | 52% | 1% |
| May 10 | 58°F | 44°F | 74°F 1968 | 28°F 1996 | 52% | 1% |
| May 11 | 58°F | 44°F | 78°F 1942 | 27°F 1917 | 52% | 1% |
| May 12 | 58°F | 44°F | 77°F 1912 | 30°F 1921 | 52% | 1% |
| May 13 | 59°F | 45°F | 93°F 1912 | 30°F 2006 | 52% | 1% |
| May 14 | 59°F | 45°F | 88°F 1912 | 29°F 1917 | 52% | 1% |
| May 15 | 59°F | 45°F | 81°F 1912 | 30°F 1928 | 52% | 0% |
| May 16 | 60°F | 45°F | 81°F 1925 | 32°F 1911 | 51% | 0% |
| May 17 | 60°F | 45°F | 77°F 2023 | 31°F 1911 | 51% | 0% |
| May 18 | 60°F | 46°F | 83°F 1963 | 32°F 1918 | 51% | 0% |
| May 19 | 60°F | 46°F | 79°F 1956 | 32°F 2003 | 51% | 0% |
| May 20 | 60°F | 46°F | 87°F 1912 | 30°F 2003 | 51% | 0% |
| May 21 | 61°F | 46°F | 87°F 1963 | 30°F 1919 | 51% | 0% |
| May 22 | 61°F | 47°F | 86°F 1963 | 30°F 1917 | 51% | 0% |
| May 23 | 61°F | 47°F | 86°F 1914 | 31°F 1913 | 51% | 0% |
| May 24 | 61°F | 47°F | 80°F 1934 | 30°F 1972 | 51% | 0% |
| May 25 | 62°F | 47°F | 77°F 1953 | 32°F 1922 | 51% | 0% |
| May 26 | 62°F | 47°F | 80°F 1947 | 35°F 1926 | 51% | 0% |
| May 27 | 62°F | 47°F | 80°F 1947 | 32°F 1920 | 51% | 0% |
| May 28 | 62°F | 48°F | 83°F 1958 | 35°F 1912 | 52% | 0% |
| May 29 | 62°F | 48°F | 79°F 1964 | 34°F 1911 | 52% | 0% |
| May 30 | 62°F | 48°F | 79°F 1916 | 34°F 1913 | 52% | 0% |
| May 31 | 63°F | 48°F | 81°F 1922 | 34°F 1913 | 52% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (AKDT).
- May 1
- sunrise 5:05 AM, sunset 8:24 PM
- May 31
- sunrise 4:14 AM, sunset 9:16 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00500657 (Beaver Falls), public domain. Records: NOAA GHCN-Daily, station USW00025325, 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.