July weather in Union, OR
The average temperature in Union in July is 68.3°F (50.9°F–85.8°F). Average precipitation: 0.48 inches.
July is a summer month in Union, and is warmer than the annual average of 49°F. Daily temperatures swing about 34.9°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 15h 7m. For travel, July is a comfortable month to visit.
Avg High
85.8°F
Avg Low
50.9°F
Precipitation
0.48 in
Daylight
15h 7m
July records in Union
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 97.0°F (1924) | 36.0°F (1973) | 1.06 in (1982) |
| July 2 | 97.0°F (1924) | 35.1°F (1948) | 0.47 in (1966) |
| July 3 | 98.1°F (1922) | 34.0°F (1971) | 0.54 in (1943) |
| July 4 | 97.0°F (2001) | 36.0°F (1918) | 0.27 in (1982) |
| July 5 | 100.9°F (2001) | 35.1°F (1932) | 0.39 in (2025) |
| July 6 | 105.1°F (2007) | 34.0°F (1952) | 0.36 in (1994) |
| July 7 | 97.0°F (2007) | 34.0°F (1971) | 0.51 in (1981) |
| July 8 | 98.1°F (1985) | 34.0°F (1981) | 0.42 in (1946) |
| July 9 | 97.0°F (1919) | 37.0°F (1984) | 0.49 in (1982) |
| July 10 | 100.9°F (1985) | 39.9°F (1972) | 0.81 in (1997) |
| July 11 | 105.1°F (2002) | 39.0°F (1915) | 0.36 in (1974) |
| July 12 | 105.1°F (2002) | 35.1°F (1919) | 0.30 in (1975) |
| July 13 | 104.0°F (1967) | 37.9°F (1948) | 0.20 in (1932) |
| July 14 | 102.0°F (2002) | 32.0°F (1913) | 0.11 in (1980) |
| July 15 | 98.1°F (1919) | 37.0°F (1943) | 0.17 in (1964) |
| July 16 | 100.0°F (2005) | 35.1°F (1949) | 0.45 in (1954) |
| July 17 | 99.0°F (1918) | 35.1°F (1939) | 0.57 in (1923) |
| July 18 | 99.0°F (1960) | 35.1°F (1919) | 0.36 in (1958) |
| July 19 | 102.0°F (1960) | 36.0°F (1919) | 0.24 in (2007) |
| July 20 | 102.9°F (1931) | 37.9°F (1932) | 0.35 in (1983) |
| July 21 | 99.0°F (1936) | 34.0°F (1914) | 0.39 in (1912) |
| July 22 | 100.9°F (2005) | 36.0°F (1914) | 0.50 in (1987) |
| July 23 | 104.0°F (1994) | 37.0°F (1963) | 0.51 in (1993) |
| July 24 | 102.0°F (1933) | 37.9°F (1953) | 0.43 in (1913) |
| July 25 | 100.0°F (1994) | 35.1°F (1948) | 0.47 in (1991) |
| July 26 | 99.0°F (1934) | 37.9°F (1919) | 0.70 in (1940) |
| July 27 | 102.9°F (1934) | 37.0°F (1930) | 0.64 in (1941) |
| July 28 | 99.0°F (1934) | 37.9°F (1954) | 0.59 in (2010) |
| July 29 | 100.9°F (2003) | 36.0°F (1916) | 0.49 in (1915) |
| July 30 | 100.0°F (2003) | 35.1°F (1913) | 0.38 in (1997) |
| July 31 | 100.9°F (2000) | 36.0°F (1945) | 0.61 in (1985) |