August weather in Seneca, OR
The average temperature in Seneca in August is 58.4°F (34.9°F–81.9°F). Average precipitation: 0.38 inches.
August is a summer month in Seneca, and is warmer than the annual average of 40.5°F. Daily temperatures swing about 47°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 13h 50m. For travel, August is cool.
Avg High
81.9°F
Avg Low
34.9°F
Precipitation
0.38 in
Daylight
13h 50m
August records in Seneca
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 95.0°F (1971) | 27.0°F (1987) | 0.43 in (1964) |
| August 2 | 97.0°F (1935) | 25.0°F (1988) | 0.24 in (1971) |
| August 3 | 97.0°F (1961) | 23.0°F (1956) | 2.55 in (1965) |
| August 4 | 102.0°F (2020) | 23.0°F (1957) | 0.83 in (1973) |
| August 5 | 100.0°F (1961) | 23.0°F (1957) | 0.19 in (1976) |
| August 6 | 97.0°F (1935) | 25.0°F (1950) | 0.82 in (1956) |
| August 7 | 99.0°F (1935) | 18.0°F (1939) | 0.48 in (1995) |
| August 8 | 97.0°F (1972) | 24.1°F (1931) | 0.36 in (2009) |
| August 9 | 98.1°F (1972) | 24.1°F (1985) | 0.30 in (1989) |
| August 10 | 95.0°F (1971) | 27.0°F (2016) | 0.60 in (1968) |
| August 11 | 96.1°F (1979) | 23.0°F (1932) | 0.85 in (1941) |
| August 12 | 95.0°F (1992) | 21.9°F (1966) | 0.55 in (1913) |
| August 13 | 100.0°F (2018) | 21.0°F (1955) | 0.61 in (1979) |
| August 14 | 104.0°F (2018) | 21.9°F (1959) | 0.43 in (1979) |
| August 15 | 99.0°F (1935) | 25.0°F (1999) | 0.52 in (1961) |
| August 16 | 96.1°F (1935) | 24.1°F (1987) | 0.95 in (1993) |
| August 17 | 97.0°F (2020) | 21.9°F (1987) | 0.34 in (2004) |
| August 18 | 96.1°F (2020) | 21.0°F (1995) | 0.45 in (1968) |
| August 19 | 95.0°F (1967) | 21.9°F (1913) | 0.27 in (1938) |
| August 20 | 98.1°F (1961) | 21.9°F (1952) | 0.29 in (1979) |
| August 21 | 96.1°F (2009) | 24.1°F (1966) | 0.46 in (1968) |
| August 22 | 100.0°F (1961) | 23.0°F (1939) | 0.41 in (1978) |
| August 23 | 100.0°F (1956) | 19.0°F (2010) | 0.75 in (1989) |
| August 24 | 91.9°F (1969) | 14.0°F (1992) | 0.37 in (1989) |
| August 25 | 93.9°F (1988) | 16.0°F (1992) | 0.76 in (2013) |
| August 26 | 93.0°F (2010) | 17.1°F (1992) | 0.60 in (1956) |
| August 27 | 91.9°F (1986) | 18.0°F (1937) | 0.10 in (1953) |
| August 28 | 95.0°F (2017) | 12.9°F (1937) | 0.38 in (1957) |
| August 29 | 95.0°F (1935) | 17.1°F (1937) | 0.18 in (1986) |
| August 30 | 97.0°F (1935) | 17.1°F (1912) | 0.42 in (1984) |
| August 31 | 96.1°F (1935) | 17.1°F (2006) | 2.02 in (1984) |