Wallowa Weather in May
Average highs run from 65°F on May 1 to 73°F on May 31, and lows from 34°F to 41°F. Normal precipitation for the month is 2.16 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
- 38°F
- Precipitation
- 2.16 in
- Snowfall
- 0.1 in
- Record high
- 98°FMay 31, 1903
- Record low
- 18°FMay 9, 1996
- Chance of a freeze
- 99%
- Daylight
- 14 h 19 min to 15 h 26 min
- Cloud cover
- 67%
- Humidity
- 69%
- Dew point
- 38°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 | 65°F | 34°F | 79°F 1918 | 19°F 1954 | 36% | 1% |
| May 2 | 65°F | 34°F | 79°F 1998 | 21°F 1928 | 36% | 1% |
| May 3 | 66°F | 35°F | 83°F 1918 | 20°F 1996 | 36% | 1% |
| May 4 | 66°F | 35°F | 77°F 1918 | 20°F 1937 | 36% | 1% |
| May 5 | 66°F | 35°F | 77°F 1925 | 21°F 1939 | 36% | 1% |
| May 6 | 67°F | 35°F | 84°F 1947 | 19°F 1924 | 37% | 1% |
| May 7 | 67°F | 36°F | 84°F 1947 | 21°F 1903 | 37% | 1% |
| May 8 | 67°F | 36°F | 80°F 1923 | 24°F 1999 | 37% | 1% |
| May 9 | 68°F | 36°F | 84°F 1906 | 18°F 1996 | 37% | 1% |
| May 10 | 68°F | 37°F | 83°F 1924 | 24°F 1894 | 37% | 1% |
| May 11 | 68°F | 37°F | 86°F 1924 | 20°F 1942 | 37% | 1% |
| May 12 | 69°F | 37°F | 83°F 1924 | 22°F 1943 | 37% | 1% |
| May 13 | 69°F | 37°F | 84°F 1931 | 23°F 1943 | 37% | 1% |
| May 14 | 69°F | 38°F | 83°F 1939 | 22°F 1896 | 38% | 1% |
| May 15 | 69°F | 38°F | 84°F 1924 | 25°F 1896 | 38% | 0% |
| May 16 | 70°F | 38°F | 83°F 2012 | 24°F 1942 | 38% | 0% |
| May 17 | 70°F | 38°F | 87°F 2006 | 20°F 1913 | 38% | 0% |
| May 18 | 70°F | 39°F | 88°F 1919 | 20°F 1927 | 39% | 0% |
| May 19 | 70°F | 39°F | 87°F 1954 | 22°F 1931 | 39% | 0% |
| May 20 | 71°F | 39°F | 88°F 1919 | 25°F 1927 | 39% | 0% |
| May 21 | 71°F | 39°F | 90°F 1919 | 21°F 1931 | 39% | 0% |
| May 22 | 71°F | 40°F | 84°F 1919 | 23°F 1918 | 39% | 0% |
| May 23 | 71°F | 40°F | 85°F 1951 | 25°F 1916 | 39% | 0% |
| May 24 | 71°F | 40°F | 87°F 2001 | 26°F 1935 | 39% | 0% |
| May 25 | 72°F | 40°F | 86°F 2003 | 24°F 1930 | 39% | 0% |
| May 26 | 72°F | 41°F | 87°F 1936 | 26°F 1918 | 39% | 0% |
| May 27 | 72°F | 41°F | 86°F 1934 | 24°F 1918 | 38% | 0% |
| May 28 | 72°F | 41°F | 85°F 1934 | 27°F 1914 | 38% | 0% |
| May 29 | 72°F | 41°F | 85°F 1897 | 26°F 1951 | 38% | 0% |
| May 30 | 73°F | 41°F | 92°F 1903 | 24°F 1926 | 38% | 0% |
| May 31 | 73°F | 41°F | 98°F 1903 | 26°F 1919 | 37% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 5:38 AM, sunset 7:57 PM
- May 31
- sunrise 5:05 AM, sunset 8:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00358997 (Wallowa), public domain. Records: NOAA GHCN-Daily, station USC00354329, 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.