July weather in Upper Marlboro, MD
The average temperature in Upper Marlboro in July is 77.7°F (67.3°F–88.0°F). Average precipitation: 4.22 inches.
July is a summer month in Upper Marlboro, and is warmer than the annual average of 56°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 28m. For travel, July is hot.
Avg High
88.0°F
Avg Low
67.3°F
Precipitation
4.22 in
Daylight
14h 28m
July records in Upper Marlboro
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 99.0°F (1959) | 43.0°F (1988) | 1.71 in (1984) |
| July 2 | 97.0°F (2012) | 45.0°F (1988) | 2.50 in (1981) |
| July 3 | 96.1°F (1966) | 48.9°F (1957) | 1.80 in (2003) |
| July 4 | 100.0°F (1966) | 48.0°F (1986) | 2.39 in (2000) |
| July 5 | 100.9°F (2002) | 48.9°F (1963) | 1.70 in (1995) |
| July 6 | 100.0°F (1999) | 46.0°F (1979) | 1.90 in (2006) |
| July 7 | 102.0°F (2010) | 48.9°F (1979) | 1.32 in (1984) |
| July 8 | 105.1°F (2012) | 48.9°F (1960) | 1.69 in (2005) |
| July 9 | 100.9°F (2012) | 50.0°F (1984) | 3.13 in (1958) |
| July 10 | 98.1°F (1999) | 48.0°F (1963) | 2.10 in (1959) |
| July 11 | 100.0°F (1988) | 52.0°F (1962) | 1.72 in (1978) |
| July 12 | 99.0°F (1988) | 51.1°F (2002) | 3.82 in (2013) |
| July 13 | 95.0°F (1986) | 50.0°F (1978) | 2.25 in (1996) |
| July 14 | 95.0°F (1966) | 55.0°F (1980) | 4.05 in (1975) |
| July 15 | 96.1°F (1966) | 55.0°F (1971) | 1.41 in (2000) |
| July 16 | 100.0°F (1988) | 51.1°F (1960) | 3.32 in (2014) |
| July 17 | 102.0°F (1988) | 51.1°F (1960) | 0.69 in (2004) |
| July 18 | 100.9°F (2012) | 52.0°F (1976) | 1.60 in (1984) |
| July 19 | 102.0°F (2012) | 53.1°F (1957) | 0.87 in (1965) |
| July 20 | 98.1°F (1999) | 57.0°F (1958) | 1.60 in (2012) |
| July 21 | 99.0°F (1980) | 46.9°F (1966) | 2.07 in (1956) |
| July 22 | 100.9°F (1987) | 48.0°F (1966) | 1.80 in (1962) |
| July 23 | 102.0°F (2011) | 50.0°F (1977) | 2.21 in (1969) |
| July 24 | 102.0°F (1991) | 51.1°F (1985) | 1.54 in (2009) |
| July 25 | 99.0°F (2010) | 54.0°F (1957) | 1.55 in (1992) |
| July 26 | 100.0°F (1987) | 48.0°F (1976) | 0.91 in (1996) |
| July 27 | 99.0°F (2005) | 48.9°F (1962) | 1.90 in (2001) |
| July 28 | 99.0°F (2005) | 48.9°F (1977) | 1.32 in (1987) |
| July 29 | 96.1°F (1963) | 55.0°F (1977) | 1.63 in (2003) |
| July 30 | 102.0°F (2011) | 52.0°F (2014) | 2.15 in (1960) |
| July 31 | 99.0°F (1988) | 50.0°F (1966) | 1.65 in (1982) |