July weather in Riverdale Park, MD
The average temperature in Riverdale Park in July is 80.3°F (70.9°F–89.8°F). Average precipitation: 4.62 inches.
July is a summer month in Riverdale Park, and is warmer than the annual average of 58.3°F. Daily temperatures swing about 18.9°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 29m. For travel, July is hot.
Avg High
89.8°F
Avg Low
70.9°F
Precipitation
4.62 in
Daylight
14h 29m
July records in Riverdale Park
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 98.1°F (1959) | 46.9°F (1988) | 1.07 in (2015) |
| July 2 | 98.1°F (1966) | 50.0°F (1952) | 2.07 in (2021) |
| July 3 | 100.9°F (1966) | 54.0°F (1975) | 3.00 in (1967) |
| July 4 | 99.0°F (1955) | 51.1°F (1986) | 0.73 in (2023) |
| July 5 | 100.0°F (1999) | 53.1°F (1971) | 2.50 in (2004) |
| July 6 | 104.0°F (1999) | 50.0°F (1979) | 2.96 in (1950) |
| July 7 | 104.0°F (1999) | 54.0°F (1979) | 2.44 in (2020) |
| July 8 | 104.0°F (2012) | 54.0°F (1983) | 2.14 in (2005) |
| July 9 | 104.0°F (2012) | 55.0°F (1961) | 2.12 in (1958) |
| July 10 | 100.9°F (1999) | 54.0°F (1963) | 4.46 in (1970) |
| July 11 | 102.9°F (1988) | 55.9°F (1953) | 1.53 in (2003) |
| July 12 | 98.1°F (1988) | 54.0°F (1978) | 2.90 in (1987) |
| July 13 | 99.0°F (1954) | 55.0°F (1978) | 1.87 in (1996) |
| July 14 | 100.9°F (1954) | 55.0°F (1963) | 4.60 in (1975) |
| July 15 | 99.0°F (1954) | 55.9°F (1989) | 1.55 in (1990) |
| July 16 | 102.9°F (1988) | 59.0°F (1967) | 1.10 in (1976) |
| July 17 | 102.0°F (1988) | 55.0°F (1987) | 0.90 in (2005) |
| July 18 | 102.9°F (1988) | 57.0°F (1985) | 1.42 in (2018) |
| July 19 | 102.9°F (2012) | 59.0°F (1957) | 1.35 in (1965) |
| July 20 | 100.9°F (1999) | 60.1°F (1951) | 1.81 in (2016) |
| July 21 | 100.9°F (1957) | 53.1°F (1966) | 1.51 in (1986) |
| July 22 | 102.0°F (1957) | 55.0°F (1966) | 4.02 in (2018) |
| July 23 | 105.1°F (2011) | 55.9°F (1983) | 4.34 in (1969) |
| July 24 | 102.0°F (1991) | 53.1°F (1985) | 2.30 in (2009) |
| July 25 | 100.9°F (2010) | 59.0°F (1953) | 1.77 in (1992) |
| July 26 | 100.0°F (1999) | 54.0°F (1976) | 1.18 in (2018) |
| July 27 | 98.1°F (1963) | 57.0°F (1975) | 2.27 in (1988) |
| July 28 | 100.0°F (1952) | 54.0°F (1977) | 2.58 in (1969) |
| July 29 | 100.9°F (1954) | 55.9°F (1989) | 4.80 in (2017) |
| July 30 | 106.0°F (2011) | 54.0°F (1989) | 1.90 in (2007) |
| July 31 | 104.0°F (1954) | 55.9°F (1956) | 1.25 in (1982) |