August weather in Jefferson, OR
The average temperature in Jefferson in August is 67.1°F (53.2°F–81.0°F). Average precipitation: 0.70 inches.
August is a summer month in Jefferson, and is warmer than the annual average of 52.8°F. Daily temperatures swing about 27.8°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 13h 52m. For travel, August is a comfortable month to visit.
Avg High
81.0°F
Avg Low
53.2°F
Precipitation
0.70 in
Daylight
13h 52m
August records in Jefferson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1965) | 44.1°F (1957) | 0.65 in (1964) |
| August 2 | 93.9°F (2017) | 44.1°F (1962) | 0.33 in (1956) |
| August 3 | 100.9°F (1952) | 42.1°F (1959) | 1.30 in (1962) |
| August 4 | 98.1°F (1952) | 39.0°F (1965) | 0.37 in (1962) |
| August 5 | 100.0°F (2005) | 34.0°F (1965) | 0.11 in (2002) |
| August 6 | 100.9°F (1972) | 37.0°F (1965) | 0.30 in (1957) |
| August 7 | 104.0°F (1978) | 39.9°F (1965) | 0.91 in (1976) |
| August 8 | 102.9°F (1972) | 42.1°F (1970) | 0.25 in (1985) |
| August 9 | 104.0°F (1978) | 41.0°F (1954) | 0.13 in (1991) |
| August 10 | 106.0°F (1978) | 44.1°F (1965) | 0.28 in (1982) |
| August 11 | 105.1°F (1977) | 41.0°F (1965) | 1.68 in (1995) |
| August 12 | 102.9°F (1977) | 42.1°F (1965) | 0.48 in (1978) |
| August 13 | 99.0°F (1977) | 41.0°F (1965) | 0.15 in (1976) |
| August 14 | 102.0°F (2023) | 37.0°F (1965) | 1.25 in (1968) |
| August 15 | 99.0°F (2023) | 37.9°F (1984) | 1.07 in (1978) |
| August 16 | 100.9°F (1977) | 39.9°F (1965) | 0.70 in (1998) |
| August 17 | 105.1°F (1977) | 39.0°F (1965) | 0.68 in (1975) |
| August 18 | 93.0°F (1967) | 39.0°F (1973) | 0.90 in (1968) |
| August 19 | 96.1°F (2016) | 41.0°F (1973) | 0.70 in (1993) |
| August 20 | 99.0°F (2016) | 39.9°F (1973) | 0.81 in (1978) |
| August 21 | 97.0°F (1961) | 39.9°F (1973) | 1.09 in (1972) |
| August 22 | 100.0°F (2025) | 39.0°F (1973) | 1.32 in (2004) |
| August 23 | 99.0°F (2025) | 42.1°F (1973) | 1.45 in (1989) |
| August 24 | 98.1°F (1988) | 42.1°F (1975) | 1.45 in (1977) |
| August 25 | 96.1°F (1958) | 43.0°F (1957) | 0.70 in (1977) |
| August 26 | 96.1°F (2005) | 42.1°F (1955) | 0.62 in (1953) |
| August 27 | 96.1°F (1972) | 41.0°F (1955) | 1.05 in (1968) |
| August 28 | 95.0°F (2006) | 39.0°F (1965) | 0.65 in (1991) |
| August 29 | 98.1°F (2006) | 37.9°F (1965) | 0.35 in (2015) |
| August 30 | 93.9°F (2002) | 44.1°F (1952) | 0.67 in (1990) |
| August 31 | 96.1°F (2022) | 39.9°F (1973) | 1.12 in (1971) |