July weather in Black Diamond, WA
The average temperature in Black Diamond in July is 64.2°F (51.4°F–77.0°F). Average precipitation: 1.29 inches.
July is a summer month in Black Diamond, and is warmer than the annual average of 50.5°F. Daily temperatures swing about 25.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 15h 22m. For travel, July is one of the best months of the year to visit.
Avg High
77.0°F
Avg Low
51.4°F
Precipitation
1.29 in
Daylight
15h 22m
July records in Black Diamond
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 100.0°F (1942) | 37.9°F (1976) | 1.70 in (1979) |
| July 2 | 93.0°F (1942) | 34.0°F (1946) | 1.80 in (1916) |
| July 3 | 93.0°F (2015) | 36.0°F (1962) | 0.90 in (1966) |
| July 4 | 91.0°F (1972) | 30.9°F (2023) | 1.45 in (1928) |
| July 5 | 93.9°F (2023) | 30.9°F (2023) | 1.09 in (1961) |
| July 6 | 91.9°F (1960) | 35.1°F (1940) | 0.74 in (2005) |
| July 7 | 95.0°F (1920) | 37.9°F (1932) | 0.97 in (1963) |
| July 8 | 96.1°F (2024) | 37.9°F (1924) | 1.61 in (1997) |
| July 9 | 98.1°F (2024) | 39.0°F (1938) | 0.79 in (1972) |
| July 10 | 100.9°F (1926) | 37.9°F (1981) | 0.97 in (1932) |
| July 11 | 100.0°F (1926) | 36.0°F (2023) | 0.61 in (1936) |
| July 12 | 98.1°F (1951) | 37.9°F (1943) | 1.40 in (1972) |
| July 13 | 95.0°F (1961) | 33.1°F (2013) | 1.35 in (1981) |
| July 14 | 97.0°F (1941) | 41.0°F (1954) | 0.83 in (1957) |
| July 15 | 100.9°F (1941) | 39.0°F (1928) | 1.18 in (1939) |
| July 16 | 100.9°F (1941) | 39.9°F (1953) | 1.16 in (1942) |
| July 17 | 93.0°F (1941) | 39.0°F (1926) | 0.87 in (1916) |
| July 18 | 98.1°F (1944) | 37.9°F (1925) | 0.44 in (1916) |
| July 19 | 99.0°F (1988) | 39.9°F (1925) | 0.48 in (1993) |
| July 20 | 99.0°F (1942) | 33.1°F (2013) | 0.54 in (2007) |
| July 21 | 98.1°F (2006) | 39.0°F (1933) | 0.44 in (1964) |
| July 22 | 99.0°F (2002) | 37.9°F (1976) | 0.67 in (1963) |
| July 23 | 99.0°F (2004) | 37.0°F (1960) | 1.43 in (2014) |
| July 24 | 98.1°F (2004) | 39.0°F (1953) | 0.39 in (1991) |
| July 25 | 97.0°F (1928) | 39.0°F (1929) | 0.67 in (1970) |
| July 26 | 97.0°F (2022) | 39.9°F (1936) | 1.08 in (1970) |
| July 27 | 99.0°F (1958) | 37.0°F (1929) | 0.67 in (1948) |
| July 28 | 99.0°F (1958) | 36.0°F (1956) | 0.52 in (1947) |
| July 29 | 98.1°F (2022) | 37.9°F (1959) | 0.70 in (1933) |
| July 30 | 98.1°F (1965) | 39.0°F (1933) | 0.56 in (1964) |
| July 31 | 98.1°F (1965) | 39.0°F (1945) | 0.15 in (1955) |