Walla Walla Weather in July
Average highs run from 85°F on July 1 to 92°F on July 31, and lows from 59°F to 65°F. Normal precipitation for the month is 0.47 in over about 3 wet days.
July day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 90°F
- Average low
- 62°F
- Precipitation
- 0.47 in
- Record high
- 114°FJul 10, 1975
- Record low
- 40°FJul 7, 1971
- Chance of a freeze
- 0%
- Days of 90°F or more
- 17.5
- Daylight
- 15 h 42 min to 14 h 49 min
- Cloud cover
- 30%
- Humidity
- 44%
- Dew point
- 49°F
- Wind
- 8.1 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 |
|---|---|---|---|---|---|---|
| Jul 1 | 85°F | 59°F | 106°F 2013 | 47°F 1955 | 15% | 0% |
| Jul 2 | 86°F | 59°F | 105°F 2013 | 43°F 1955 | 15% | 0% |
| Jul 3 | 86°F | 59°F | 105°F 1970 | 43°F 1962 | 14% | 0% |
| Jul 4 | 86°F | 60°F | 106°F 1968 | 46°F 2012 | 14% | 0% |
| Jul 5 | 87°F | 60°F | 110°F 2007 | 48°F 1999 | 13% | 0% |
| Jul 6 | 87°F | 60°F | 106°F 1968 | 44°F 1952 | 13% | 0% |
| Jul 7 | 88°F | 60°F | 105°F 1985 | 40°F 1971 | 12% | 0% |
| Jul 8 | 88°F | 61°F | 109°F 1985 | 47°F 1981 | 12% | 0% |
| Jul 9 | 89°F | 61°F | 113°F 1975 | 52°F 1963 | 12% | 0% |
| Jul 10 | 89°F | 61°F | 114°F 1975 | 48°F 1974 | 12% | 0% |
| Jul 11 | 89°F | 62°F | 109°F 1990 | 46°F 2008 | 11% | 0% |
| Jul 12 | 90°F | 62°F | 110°F 2002 | 47°F 1971 | 11% | 0% |
| Jul 13 | 90°F | 62°F | 107°F 2014 | 49°F 1993 | 11% | 0% |
| Jul 14 | 90°F | 62°F | 104°F 1955 | 51°F 2020 | 11% | 0% |
| Jul 15 | 91°F | 63°F | 107°F 1970 | 49°F 2000 | 11% | 0% |
| Jul 16 | 91°F | 63°F | 105°F 1984 | 48°F 1974 | 10% | 0% |
| Jul 17 | 91°F | 63°F | 108°F 1960 | 51°F 1949 | 10% | 0% |
| Jul 18 | 92°F | 63°F | 109°F 1960 | 48°F 1991 | 10% | 0% |
| Jul 19 | 92°F | 64°F | 106°F 1979 | 49°F 1962 | 10% | 0% |
| Jul 20 | 92°F | 64°F | 109°F 1985 | 48°F 2019 | 9% | 0% |
| Jul 21 | 92°F | 64°F | 108°F 1994 | 52°F 1954 | 9% | 0% |
| Jul 22 | 92°F | 64°F | 112°F 1994 | 48°F 1982 | 9% | 0% |
| Jul 23 | 92°F | 64°F | 108°F 2006 | 48°F 1963 | 9% | 0% |
| Jul 24 | 92°F | 64°F | 110°F 1994 | 52°F 1953 | 9% | 0% |
| Jul 25 | 92°F | 64°F | 107°F 1984 | 51°F 1966 | 9% | 0% |
| Jul 26 | 93°F | 64°F | 105°F 1982 | 52°F 1992 | 8% | 0% |
| Jul 27 | 93°F | 65°F | 106°F 1968 | 53°F 1959 | 8% | 0% |
| Jul 28 | 93°F | 65°F | 107°F 1974 | 49°F 1954 | 8% | 0% |
| Jul 29 | 92°F | 65°F | 108°F 2022 | 51°F 1954 | 8% | 0% |
| Jul 30 | 92°F | 65°F | 109°F 2021 | 53°F 1950 | 8% | 0% |
| Jul 31 | 92°F | 65°F | 111°F 1971 | 50°F 2006 | 8% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- July 1
- sunrise 5:06 AM, sunset 8:48 PM
- July 31
- sunrise 5:35 AM, sunset 8:24 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024160 (Walla Walla Rgnl AP), public domain. Records: NOAA GHCN-Daily, station USW00024160, 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.