Juneau Weather in May
Average highs run from 53°F on May 1 to 61°F on May 31, and lows from 39°F to 47°F. Normal precipitation for the month is 5.09 in.
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
- 57°F
- Average low
- 43°F
- Precipitation
- 5.09 in
- Record high
- 80°FMay 27, 2010
- Record low
- 25°FMay 1, 1972
- Chance of a freeze
- 18%
- Daylight
- 15 h 45 min to 17 h 46 min
- Cloud cover
- 71%
- Humidity
- 87%
- Dew point
- 34°F
- Wind
- 4.9 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 | 53°F | 39°F | 72°F 1989 | 25°F 1972 | ||
| May 2 | 53°F | 40°F | 75°F 2009 | 25°F 1956 | ||
| May 3 | 54°F | 40°F | 69°F 2024 | 26°F 2002 | ||
| May 4 | 54°F | 40°F | 66°F 1960 | 26°F 1956 | ||
| May 5 | 54°F | 40°F | 69°F 1956 | 26°F 2003 | ||
| May 6 | 55°F | 41°F | 75°F 1981 | 26°F 1957 | ||
| May 7 | 55°F | 41°F | 76°F 1981 | 27°F 1949 | ||
| May 8 | 55°F | 41°F | 74°F 1995 | 27°F 2002 | ||
| May 9 | 55°F | 41°F | 76°F 2020 | 27°F 1966 | ||
| May 10 | 56°F | 42°F | 74°F 2005 | 28°F 1966 | ||
| May 11 | 56°F | 42°F | 75°F 1942 | 25°F 1965 | ||
| May 12 | 56°F | 42°F | 75°F 1942 | 28°F 1955 | ||
| May 13 | 57°F | 42°F | 79°F 2016 | 29°F 1955 | ||
| May 14 | 57°F | 43°F | 77°F 2016 | 28°F 1965 | ||
| May 15 | 57°F | 43°F | 75°F 2016 | 26°F 1965 | ||
| May 16 | 57°F | 43°F | 75°F 2014 | 29°F 1950 | ||
| May 17 | 58°F | 43°F | 73°F 2023 | 30°F 1971 | ||
| May 18 | 58°F | 44°F | 76°F 2023 | 27°F 1965 | ||
| May 19 | 58°F | 44°F | 74°F 1993 | 28°F 1965 | ||
| May 20 | 59°F | 44°F | 75°F 2002 | 30°F 1965 | ||
| May 21 | 59°F | 44°F | 77°F 1963 | 30°F 1974 | ||
| May 22 | 59°F | 45°F | 75°F 1974 | 30°F 1955 | ||
| May 23 | 59°F | 45°F | 75°F 1969 | 29°F 1973 | 0% | |
| May 24 | 60°F | 45°F | 74°F 1969 | 30°F 1964 | 0% | |
| May 25 | 60°F | 45°F | 73°F 2008 | 29°F 1966 | 0% | |
| May 26 | 60°F | 46°F | 75°F 2010 | 31°F 2000 | 0% | |
| May 27 | 60°F | 46°F | 80°F 2010 | 32°F 1949 | 0% | |
| May 28 | 61°F | 46°F | 79°F 2010 | 33°F 1941 | 0% | |
| May 29 | 61°F | 46°F | 79°F 1964 | 33°F 1957 | 0% | |
| May 30 | 61°F | 47°F | 77°F 2015 | 30°F 1955 | 0% | |
| May 31 | 61°F | 47°F | 78°F 2022 | 32°F 1950 | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (AKDT).
- May 1
- sunrise 5:03 AM, sunset 8:48 PM
- May 31
- sunrise 4:03 AM, sunset 9:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00504094 (Juneau Dwtn), public domain. Records: NOAA GHCN-Daily, station USW00025309, 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.