July weather in Sisters, OR
The average temperature in Sisters in July is 64.5°F (43.4°F–85.6°F). Average precipitation: 0.55 inches.
July is a summer month in Sisters, and is warmer than the annual average of 45.5°F. Daily temperatures swing about 42.2°F between overnight low and afternoon high. Daylight averages about 15h 1m. For travel, July is a comfortable month to visit.
Avg High
85.6°F
Avg Low
43.4°F
Precipitation
0.55 in
Daylight
15h 1m
July records in Sisters
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 107.1°F (2021) | 25.0°F (1992) | 0.47 in (1978) |
| July 2 | 109.0°F (2021) | 27.0°F (1962) | 0.17 in (1982) |
| July 3 | 100.0°F (2013) | 28.0°F (1962) | 0.53 in (1970) |
| July 4 | 100.0°F (1991) | 30.9°F (1959) | 0.43 in (1970) |
| July 5 | 99.0°F (2007) | 24.1°F (1977) | 0.35 in (1986) |
| July 6 | 100.9°F (2015) | 27.0°F (1988) | 0.23 in (1975) |
| July 7 | 98.1°F (1985) | 27.0°F (1977) | 0.54 in (1978) |
| July 8 | 98.1°F (2021) | 27.0°F (1981) | 0.05 in (2005) |
| July 9 | 99.0°F (1994) | 28.0°F (1965) | 0.04 in (1974) |
| July 10 | 97.0°F (2017) | 26.1°F (1977) | 0.08 in (1974) |
| July 11 | 102.0°F (2002) | 28.0°F (1981) | 0.41 in (1976) |
| July 12 | 102.9°F (2002) | 28.0°F (1974) | 0.27 in (1975) |
| July 13 | 104.0°F (2002) | 26.1°F (1977) | 0.10 in (2001) |
| July 14 | 98.1°F (1987) | 28.9°F (1962) | 0.28 in (1966) |
| July 15 | 104.0°F (1987) | 28.0°F (1986) | 0.32 in (2012) |
| July 16 | 106.0°F (1976) | 30.0°F (1977) | 0.21 in (1991) |
| July 17 | 109.0°F (1976) | 28.0°F (1986) | 0.31 in (2007) |
| July 18 | 100.9°F (1979) | 28.0°F (1962) | 1.25 in (1987) |
| July 19 | 99.0°F (1959) | 28.9°F (1996) | 0.73 in (2011) |
| July 20 | 100.9°F (2003) | 32.0°F (1964) | 0.16 in (2001) |
| July 21 | 102.9°F (1994) | 28.0°F (1976) | 0.23 in (1987) |
| July 22 | 102.0°F (2006) | 28.9°F (1982) | 0.34 in (1987) |
| July 23 | 104.0°F (2003) | 30.9°F (1963) | 0.15 in (2014) |
| July 24 | 98.1°F (2003) | 30.0°F (1973) | 0.55 in (1987) |
| July 25 | 102.0°F (1978) | 33.1°F (1963) | 0.00 in (1959) |
| July 26 | 100.0°F (1996) | 30.9°F (1966) | 0.11 in (1965) |
| July 27 | 102.9°F (1996) | 30.9°F (1982) | 1.10 in (1965) |
| July 28 | 100.9°F (2003) | 26.1°F (1959) | 0.07 in (1965) |
| July 29 | 100.0°F (2003) | 30.0°F (1963) | 0.55 in (1998) |
| July 30 | 104.0°F (2003) | 30.0°F (1981) | 0.54 in (2014) |
| July 31 | 100.9°F (2003) | 28.0°F (1981) | 0.55 in (2014) |