August weather in Morrisville, NC
The average temperature in Morrisville in August is 78.8°F (68.9°F–88.7°F). Average precipitation: 4.71 inches.
August is a summer month in Morrisville, and is warmer than the annual average of 61.2°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 22m. For travel, August is hot.
Avg High
88.7°F
Avg Low
68.9°F
Precipitation
4.71 in
Daylight
13h 22m
August records in Morrisville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (1999) | 55.9°F (1997) | 2.31 in (2000) |
| August 2 | 100.9°F (1953) | 57.9°F (1997) | 1.36 in (1954) |
| August 3 | 99.0°F (2006) | 57.9°F (1985) | 2.30 in (2013) |
| August 4 | 98.1°F (2006) | 55.0°F (1985) | 1.97 in (1948) |
| August 5 | 100.0°F (1953) | 57.9°F (1950) | 0.94 in (1969) |
| August 6 | 97.0°F (1999) | 55.9°F (1948) | 4.31 in (2011) |
| August 7 | 100.0°F (1999) | 52.0°F (1948) | 1.28 in (1944) |
| August 8 | 102.0°F (2007) | 55.0°F (2002) | 4.02 in (2024) |
| August 9 | 104.0°F (2007) | 57.9°F (1994) | 2.03 in (2005) |
| August 10 | 104.0°F (2007) | 55.0°F (1944) | 1.33 in (1967) |
| August 11 | 100.9°F (1999) | 59.0°F (1972) | 2.34 in (2025) |
| August 12 | 99.0°F (1999) | 54.0°F (1954) | 3.78 in (1992) |
| August 13 | 100.0°F (2021) | 50.0°F (1979) | 1.98 in (1992) |
| August 14 | 100.0°F (1995) | 55.0°F (1964) | 1.59 in (1999) |
| August 15 | 100.0°F (2023) | 51.1°F (1964) | 1.98 in (2003) |
| August 16 | 100.9°F (2007) | 55.9°F (1961) | 3.03 in (1998) |
| August 17 | 99.0°F (1988) | 52.0°F (1979) | 4.12 in (1955) |
| August 18 | 105.1°F (1988) | 53.1°F (1981) | 2.80 in (1957) |
| August 19 | 102.9°F (1988) | 57.9°F (1977) | 2.08 in (2012) |
| August 20 | 102.9°F (2007) | 54.0°F (1998) | 4.18 in (1986) |
| August 21 | 105.1°F (2007) | 54.0°F (1981) | 1.19 in (1979) |
| August 22 | 100.9°F (1983) | 53.1°F (2000) | 1.68 in (1947) |
| August 23 | 102.9°F (2002) | 52.0°F (1997) | 1.90 in (1958) |
| August 24 | 100.0°F (2002) | 54.0°F (1997) | 1.02 in (1988) |
| August 25 | 99.0°F (2007) | 53.1°F (1952) | 1.83 in (1946) |
| August 26 | 99.0°F (2016) | 55.0°F (1951) | 1.23 in (1971) |
| August 27 | 98.1°F (2016) | 53.1°F (1945) | 3.43 in (2008) |
| August 28 | 100.0°F (1948) | 52.0°F (1969) | 2.83 in (1949) |
| August 29 | 100.9°F (2024) | 48.9°F (1986) | 1.36 in (2011) |
| August 30 | 98.1°F (1953) | 46.0°F (1965) | 2.99 in (1959) |
| August 31 | 99.0°F (1953) | 48.9°F (1946) | 3.52 in (1952) |