Ritzville Weather in August
Average highs run from 89°F on August 1 to 82°F on August 31, and lows from 56°F to 50°F. Normal precipitation for the month is 0.32 in over about 3 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 86°F
- Average low
- 53°F
- Precipitation
- 0.32 in
- Record high
- 103°FAug 3, 1977
- Record low
- 29°FAug 28, 1966
- Chance of a freeze
- 0%
- Days of 90°F or more
- 10.8
- Daylight
- 14 h 53 min to 13 h 23 min
- Cloud cover
- 37%
- Humidity
- 43%
- Dew point
- 46°F
- Wind
- 7.4 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 |
|---|---|---|---|---|---|---|
| Aug 1 | 89°F | 56°F | 102°F 2021 | 34°F 1987 | 8% | 0% |
| Aug 2 | 89°F | 56°F | 100°F 1971 | 35°F 2026 | 8% | 0% |
| Aug 3 | 89°F | 55°F | 103°F 1977 | 35°F 2026 | 8% | 0% |
| Aug 4 | 89°F | 55°F | 103°F 1961 | 36°F 1934 | 8% | 0% |
| Aug 5 | 89°F | 55°F | 102°F 1961 | 37°F 1980 | 8% | 0% |
| Aug 6 | 89°F | 55°F | 98°F 1998 | 36°F 1969 | 8% | 0% |
| Aug 7 | 88°F | 55°F | 99°F 1972 | 34°F 1946 | 8% | 0% |
| Aug 8 | 88°F | 55°F | 101°F 1972 | 38°F 1992 | 8% | 0% |
| Aug 9 | 88°F | 55°F | 103°F 1972 | 38°F 1985 | 8% | 0% |
| Aug 10 | 88°F | 55°F | 101°F 2018 | 38°F 1932 | 8% | 0% |
| Aug 11 | 88°F | 55°F | 101°F 2018 | 35°F 1966 | 8% | 0% |
| Aug 12 | 87°F | 54°F | 100°F 1971 | 35°F 1918 | 8% | 0% |
| Aug 13 | 87°F | 54°F | 98°F 1973 | 35°F 1927 | 9% | 0% |
| Aug 14 | 87°F | 54°F | 98°F 1920 | 34°F 2017 | 9% | 0% |
| Aug 15 | 87°F | 54°F | 100°F 1920 | 30°F 1922 | 9% | 0% |
| Aug 16 | 86°F | 54°F | 100°F 2023 | 33°F 1937 | 9% | 0% |
| Aug 17 | 86°F | 53°F | 100°F 1967 | 36°F 2011 | 9% | 0% |
| Aug 18 | 86°F | 53°F | 102°F 2008 | 30°F 1913 | 9% | 0% |
| Aug 19 | 86°F | 53°F | 100°F 1967 | 34°F 1947 | 9% | 0% |
| Aug 20 | 85°F | 53°F | 98°F 1977 | 33°F 1966 | 9% | 0% |
| Aug 21 | 85°F | 53°F | 99°F 1958 | 32°F 1922 | 9% | 0% |
| Aug 22 | 85°F | 52°F | 98°F 1956 | 34°F 1922 | 9% | 0% |
| Aug 23 | 84°F | 52°F | 98°F 1961 | 30°F 1992 | 10% | 0% |
| Aug 24 | 84°F | 52°F | 100°F 1926 | 31°F 1929 | 10% | 0% |
| Aug 25 | 84°F | 52°F | 99°F 1958 | 32°F 2017 | 10% | 0% |
| Aug 26 | 84°F | 51°F | 98°F 1958 | 36°F 1976 | 10% | 0% |
| Aug 27 | 83°F | 51°F | 96°F 1972 | 34°F 1909 | 10% | 0% |
| Aug 28 | 83°F | 51°F | 95°F 1972 | 29°F 1966 | 10% | 0% |
| Aug 29 | 83°F | 51°F | 97°F 1972 | 29°F 2010 | 10% | 0% |
| Aug 30 | 82°F | 50°F | 94°F 1929 | 31°F 1965 | 10% | 0% |
| Aug 31 | 82°F | 50°F | 97°F 1915 | 31°F 2006 | 10% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 5:33 AM, sunset 8:26 PM
- August 31
- sunrise 6:12 AM, sunset 7:35 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00457059 (Ritzville 1 Sse), public domain. Records: NOAA GHCN-Daily, station USC00452007, 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.