Rosalia Weather in August
Average highs run from 89°F on August 1 to 81°F on August 31, and lows from 53°F to 48°F. Normal precipitation for the month is 0.42 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
- 51°F
- Precipitation
- 0.42 in
- Record high
- 108°FAug 4, 1961
- Record low
- 35°FAug 29, 1965
- Chance of a freeze
- 1%
- Days of 90°F or more
- 10.3
- Daylight
- 14 h 54 min to 13 h 23 min
- Cloud cover
- 40%
- Humidity
- 48%
- Dew point
- 47°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 | 53°F | 101°F 1971 | 44°F 1987 | 10% | 0% |
| Aug 2 | 89°F | 53°F | 101°F 2024 | 43°F 1956 | 10% | 0% |
| Aug 3 | 89°F | 53°F | 103°F 1961 | 44°F 1956 | 10% | 0% |
| Aug 4 | 88°F | 53°F | 108°F 1961 | 45°F 1954 | 10% | 0% |
| Aug 5 | 88°F | 53°F | 102°F 1998 | 44°F 1948 | 10% | 0% |
| Aug 6 | 88°F | 53°F | 99°F 1904 | 43°F 1969 | 10% | 0% |
| Aug 7 | 88°F | 53°F | 101°F 1898 | 43°F 1946 | 11% | 0% |
| Aug 8 | 88°F | 52°F | 104°F 1898 | 45°F 1943 | 10% | 0% |
| Aug 9 | 88°F | 52°F | 103°F 1898 | 45°F 1938 | 11% | 0% |
| Aug 10 | 88°F | 52°F | 103°F 1898 | 46°F 1893 | 11% | 0% |
| Aug 11 | 87°F | 52°F | 101°F 1971 | 40°F 1985 | 11% | 0% |
| Aug 12 | 87°F | 52°F | 99°F 1930 | 44°F 1918 | 11% | 0% |
| Aug 13 | 87°F | 52°F | 100°F 2015 | 41°F 1995 | 11% | 0% |
| Aug 14 | 87°F | 52°F | 101°F 1992 | 42°F 1895 | 11% | 0% |
| Aug 15 | 86°F | 51°F | 102°F 2023 | 44°F 1913 | 11% | 0% |
| Aug 16 | 86°F | 51°F | 101°F 2020 | 41°F 1913 | 11% | 0% |
| Aug 17 | 86°F | 51°F | 103°F 2008 | 43°F 1989 | 11% | 0% |
| Aug 18 | 86°F | 51°F | 101°F 1967 | 41°F 1995 | 11% | 0% |
| Aug 19 | 85°F | 51°F | 101°F 1942 | 40°F 1907 | 11% | 0% |
| Aug 20 | 85°F | 50°F | 100°F 1897 | 40°F 1945 | 11% | 0% |
| Aug 21 | 85°F | 50°F | 98°F 1897 | 43°F 1945 | 11% | 0% |
| Aug 22 | 84°F | 50°F | 98°F 1897 | 40°F 1992 | 11% | 0% |
| Aug 23 | 84°F | 50°F | 99°F 1969 | 37°F 1992 | 11% | 0% |
| Aug 24 | 84°F | 50°F | 100°F 1966 | 40°F 1992 | 11% | 0% |
| Aug 25 | 83°F | 49°F | 98°F 1958 | 37°F 1910 | 11% | 0% |
| Aug 26 | 83°F | 49°F | 96°F 1922 | 39°F 1993 | 11% | 0% |
| Aug 27 | 83°F | 49°F | 98°F 1929 | 40°F 1962 | 12% | 0% |
| Aug 28 | 82°F | 49°F | 99°F 1929 | 39°F 1910 | 12% | 0% |
| Aug 29 | 82°F | 48°F | 98°F 1929 | 35°F 1965 | 12% | 0% |
| Aug 30 | 82°F | 48°F | 98°F 1929 | 38°F 1965 | 12% | 0% |
| Aug 31 | 81°F | 48°F | 100°F 1967 | 35°F 1964 | 12% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 5:28 AM, sunset 8:22 PM
- August 31
- sunrise 6:08 AM, sunset 7:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00457180 (Rosalia), public domain. Records: NOAA GHCN-Daily, station USW00024157, 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.