Deltana Weather in May
Average highs run from 55°F on May 1 to 66°F on May 31, and lows from 27°F to 37°F. Normal precipitation for the month is 0.87 in over about 7 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
- 61°F
- Average low
- 32°F
- Precipitation
- 0.87 in
- Snowfall
- 0.5 in
- Record high
- 90°FMay 28, 1947
- Record low
- -1°FMay 4, 1945
- Chance of a freeze
- 100%
- Daylight
- 16 h 50 min to 19 h 55 min
- Cloud cover
- 68%
- Humidity
- 74%
- 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 | 55°F | 27°F | 72°F 2009 | 16°F 1949 | 14% | 3% |
| May 2 | 56°F | 27°F | 73°F 2009 | 4°F 1945 | 15% | 3% |
| May 3 | 56°F | 28°F | 71°F 2014 | 0°F 1945 | 15% | 3% |
| May 4 | 57°F | 28°F | 65°F 1960 | -1°F 1945 | 16% | 3% |
| May 5 | 57°F | 28°F | 67°F 1960 | 3°F 1945 | 16% | 3% |
| May 6 | 57°F | 29°F | 68°F 1951 | 12°F 1945 | 16% | 2% |
| May 7 | 58°F | 29°F | 69°F 1981 | 21°F 1964 | 17% | 2% |
| May 8 | 58°F | 29°F | 70°F 1981 | 2°F 1964 | 17% | 2% |
| May 9 | 58°F | 29°F | 73°F 1995 | 0°F 1964 | 18% | 2% |
| May 10 | 59°F | 30°F | 79°F 1995 | 4°F 1964 | 18% | 2% |
| May 11 | 59°F | 30°F | 84°F 1995 | 13°F 1964 | 19% | 2% |
| May 12 | 59°F | 30°F | 83°F 1995 | 17°F 1984 | 19% | 1% |
| May 13 | 60°F | 30°F | 80°F 1942 | 19°F 2013 | 20% | 1% |
| May 14 | 60°F | 31°F | 78°F 2016 | 24°F 1965 | 20% | 1% |
| May 15 | 60°F | 31°F | 73°F 2015 | 25°F 1972 | 21% | 1% |
| May 16 | 61°F | 31°F | 71°F 1959 | 20°F 1972 | 21% | 1% |
| May 17 | 61°F | 32°F | 81°F 1993 | 22°F 1967 | 22% | 1% |
| May 18 | 61°F | 32°F | 75°F 1993 | 19°F 2013 | 22% | 1% |
| May 19 | 62°F | 32°F | 76°F 2023 | 24°F 2013 | 23% | 1% |
| May 20 | 62°F | 33°F | 76°F 2002 | 22°F 2013 | 24% | 1% |
| May 21 | 62°F | 33°F | 78°F 1963 | 24°F 1983 | 24% | 1% |
| May 22 | 63°F | 33°F | 82°F 1963 | 28°F 1983 | 25% | 1% |
| May 23 | 63°F | 34°F | 82°F 1960 | 26°F 1941 | 25% | 1% |
| May 24 | 63°F | 34°F | 86°F 1960 | 26°F 1941 | 26% | 1% |
| May 25 | 64°F | 34°F | 84°F 1960 | 33°F 1951 | 26% | 0% |
| May 26 | 64°F | 35°F | 81°F 1942 | 25°F 1950 | 27% | 0% |
| May 27 | 64°F | 35°F | 79°F 2011 | 32°F 1964 | 27% | 0% |
| May 28 | 65°F | 36°F | 90°F 1947 | 29°F 1969 | 28% | 0% |
| May 29 | 65°F | 36°F | 90°F 1947 | 30°F 1994 | 28% | 0% |
| May 30 | 65°F | 36°F | 85°F 1983 | 32°F 1959 | 29% | 0% |
| May 31 | 66°F | 37°F | 84°F 1958 | 32°F 1944 | 29% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (AKDT).
- May 1
- sunrise 5:14 AM, sunset 10:04 PM
- May 31
- sunrise 3:42 AM, sunset 11:37 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00502352 (Delta Junction 20 Se), public domain. Records: NOAA GHCN-Daily, station USW00026415, 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.