July weather in Hartly, DE
The average temperature in Hartly in July is 77.9°F (69.0°F–86.9°F). Average precipitation: 4.14 inches.
July is a summer month in Hartly, and is warmer than the annual average of 57.1°F. Daily temperatures swing about 17.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 30m. For travel, July is a comfortable month to visit.
Avg High
86.9°F
Avg Low
69.0°F
Precipitation
4.14 in
Daylight
14h 30m
July records in Hartly
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 99.0°F (1931) | 51.1°F (1912) | 1.56 in (1999) |
| July 2 | 99.0°F (1941) | 51.1°F (1952) | 2.05 in (2025) |
| July 3 | 102.0°F (1911) | 50.0°F (1933) | 3.08 in (1978) |
| July 4 | 102.0°F (1966) | 51.1°F (1933) | 1.98 in (1983) |
| July 5 | 100.0°F (1949) | 48.9°F (1909) | 2.26 in (2016) |
| July 6 | 100.9°F (2010) | 51.1°F (1979) | 2.19 in (2006) |
| July 7 | 100.9°F (2010) | 52.0°F (1980) | 1.46 in (1947) |
| July 8 | 100.0°F (2010) | 50.0°F (1913) | 2.51 in (1924) |
| July 9 | 100.0°F (1936) | 45.0°F (1963) | 2.66 in (1958) |
| July 10 | 104.0°F (1936) | 52.0°F (1909) | 2.30 in (1952) |
| July 11 | 102.0°F (1936) | 55.0°F (1898) | 3.28 in (1976) |
| July 12 | 99.0°F (1988) | 51.1°F (1945) | 5.56 in (2013) |
| July 13 | 100.0°F (1908) | 55.0°F (1971) | 8.50 in (1975) |
| July 14 | 100.0°F (1908) | 54.0°F (1940) | 1.65 in (2010) |
| July 15 | 100.0°F (1995) | 54.0°F (1940) | 2.65 in (1926) |
| July 16 | 100.9°F (1988) | 53.1°F (1929) | 1.55 in (1967) |
| July 17 | 100.9°F (1988) | 53.1°F (1929) | 1.52 in (1915) |
| July 18 | 100.0°F (2012) | 57.0°F (1924) | 1.71 in (1920) |
| July 19 | 100.9°F (1977) | 55.0°F (1911) | 1.82 in (1927) |
| July 20 | 100.0°F (1930) | 53.1°F (1909) | 1.74 in (2012) |
| July 21 | 104.0°F (1930) | 51.1°F (1909) | 2.21 in (2018) |
| July 22 | 100.9°F (1957) | 54.0°F (1944) | 1.87 in (1906) |
| July 23 | 100.0°F (1955) | 54.0°F (1977) | 3.40 in (2006) |
| July 24 | 99.0°F (1978) | 54.0°F (1947) | 4.52 in (1938) |
| July 25 | 99.0°F (1987) | 55.0°F (1915) | 1.48 in (2018) |
| July 26 | 100.9°F (1940) | 52.0°F (1920) | 1.17 in (1985) |
| July 27 | 100.0°F (1940) | 54.0°F (1920) | 3.61 in (1991) |
| July 28 | 100.0°F (1941) | 52.0°F (1920) | 3.29 in (1969) |
| July 29 | 100.9°F (1949) | 55.0°F (1914) | 2.82 in (1934) |
| July 30 | 100.0°F (1949) | 55.0°F (1928) | 3.22 in (1960) |
| July 31 | 100.9°F (1954) | 55.0°F (1914) | 4.00 in (1925) |