August weather in Moreno Valley, CA
The average temperature in Moreno Valley in August is 78.3°F (61.7°F–94.9°F). Average precipitation: 0.36 inches.
August is a summer month in Moreno Valley, and is warmer than the annual average of 63.3°F. Daily temperatures swing about 33.2°F between overnight low and afternoon high. Daylight averages about 13h 16m. For travel, August is hot.
Avg High
94.9°F
Avg Low
61.7°F
Precipitation
0.36 in
Daylight
13h 16m
August records in Moreno Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (2020) | 54.0°F (2013) | 0.59 in (2017) |
| August 2 | 102.9°F (1949) | 54.0°F (2013) | 0.09 in (2014) |
| August 3 | 104.0°F (1969) | 53.1°F (1953) | 0.19 in (2014) |
| August 4 | 105.1°F (1969) | 51.1°F (1962) | 0.02 in (2014) |
| August 5 | 107.1°F (2024) | 53.1°F (1962) | 0.01 in (2022) |
| August 6 | 106.0°F (2012) | 50.0°F (1950) | 0.00 in (1949) |
| August 7 | 107.1°F (1970) | 52.0°F (1957) | 0.02 in (1967) |
| August 8 | 105.1°F (2012) | 50.0°F (1951) | 0.00 in (1949) |
| August 9 | 107.1°F (2012) | 53.1°F (2013) | 0.00 in (1949) |
| August 10 | 107.1°F (2012) | 52.0°F (2013) | 0.20 in (2023) |
| August 11 | 106.0°F (2012) | 52.0°F (1950) | 0.20 in (1965) |
| August 12 | 105.1°F (2012) | 52.0°F (1949) | 0.00 in (1949) |
| August 13 | 107.1°F (1967) | 53.1°F (1949) | 0.00 in (1949) |
| August 14 | 104.0°F (2012) | 55.9°F (1949) | 0.00 in (1949) |
| August 15 | 109.9°F (2020) | 54.0°F (1954) | 0.47 in (1958) |
| August 16 | 105.1°F (2015) | 53.1°F (1964) | 0.01 in (2023) |
| August 17 | 102.9°F (2016) | 54.0°F (1949) | 0.00 in (1949) |
| August 18 | 109.0°F (2020) | 55.9°F (1954) | 0.28 in (1961) |
| August 19 | 107.1°F (2020) | 55.0°F (1969) | 0.07 in (1961) |
| August 20 | 104.0°F (2020) | 54.0°F (1954) | 1.97 in (2023) |
| August 21 | 106.0°F (1969) | 52.0°F (1959) | 0.21 in (1961) |
| August 22 | 105.1°F (1969) | 50.0°F (1968) | 0.00 in (1949) |
| August 23 | 105.1°F (1956) | 50.0°F (1968) | 0.00 in (1949) |
| August 24 | 100.9°F (2025) | 53.1°F (1963) | 0.08 in (1968) |
| August 25 | 104.0°F (1962) | 51.1°F (2024) | 0.01 in (2025) |
| August 26 | 102.9°F (2017) | 55.9°F (1954) | 0.16 in (1970) |
| August 27 | 102.0°F (2017) | 51.1°F (1954) | 0.02 in (1954) |
| August 28 | 107.1°F (1967) | 50.0°F (1961) | 0.12 in (1951) |
| August 29 | 109.0°F (1967) | 55.0°F (1957) | 0.02 in (1951) |
| August 30 | 109.0°F (2017) | 52.0°F (1957) | 2.27 in (2012) |
| August 31 | 109.0°F (2017) | 52.0°F (1966) | 0.03 in (1954) |