July weather in Portland, TN
The average temperature in Portland in July is 78.6°F (68.5°F–88.8°F). Average precipitation: 4.57 inches.
July is a summer month in Portland, and is warmer than the annual average of 58.3°F. Daily temperatures swing about 20.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 16m. For travel, July is hot.
Avg High
88.8°F
Avg Low
68.5°F
Precipitation
4.57 in
Daylight
14h 16m
July records in Portland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 105.1°F (2012) | 55.0°F (1976) | 2.78 in (2023) |
| July 2 | 102.9°F (2012) | 54.0°F (2020) | 3.45 in (1973) |
| July 3 | 99.0°F (2012) | 53.1°F (2021) | 2.43 in (1965) |
| July 4 | 97.0°F (2012) | 50.0°F (1968) | 1.30 in (2019) |
| July 5 | 100.0°F (2012) | 51.1°F (1967) | 2.75 in (2016) |
| July 6 | 102.0°F (2012) | 48.0°F (1970) | 2.20 in (2013) |
| July 7 | 102.0°F (2012) | 51.1°F (1972) | 2.75 in (2016) |
| July 8 | 102.0°F (1988) | 55.9°F (2024) | 1.25 in (1968) |
| July 9 | 102.0°F (1988) | 54.0°F (1963) | 2.41 in (2023) |
| July 10 | 100.0°F (1990) | 48.0°F (1963) | 2.73 in (2008) |
| July 11 | 99.0°F (1990) | 48.0°F (1963) | 3.53 in (2007) |
| July 12 | 97.0°F (1957) | 48.0°F (2024) | 0.92 in (1988) |
| July 13 | 99.0°F (1966) | 48.9°F (2024) | 3.00 in (2009) |
| July 14 | 98.1°F (1966) | 50.0°F (1964) | 1.60 in (1963) |
| July 15 | 98.1°F (1988) | 51.1°F (1967) | 1.50 in (2014) |
| July 16 | 98.1°F (1980) | 52.0°F (1967) | 2.10 in (1978) |
| July 17 | 100.9°F (1980) | 53.1°F (1970) | 1.54 in (1959) |
| July 18 | 99.0°F (1977) | 53.1°F (2024) | 1.65 in (2024) |
| July 19 | 99.0°F (1986) | 52.0°F (2024) | 1.03 in (1970) |
| July 20 | 99.0°F (1980) | 53.1°F (2021) | 1.85 in (2012) |
| July 21 | 100.0°F (1986) | 54.0°F (2021) | 2.00 in (2022) |
| July 22 | 100.0°F (1983) | 53.1°F (2021) | 1.31 in (1980) |
| July 23 | 98.1°F (1983) | 54.0°F (2021) | 1.45 in (1980) |
| July 24 | 99.0°F (1983) | 59.0°F (1980) | 0.81 in (2002) |
| July 25 | 98.1°F (1977) | 57.9°F (2014) | 1.84 in (1983) |
| July 26 | 99.0°F (1986) | 61.0°F (1966) | 4.02 in (2022) |
| July 27 | 98.1°F (1955) | 55.9°F (1977) | 1.81 in (1979) |
| July 28 | 100.0°F (1997) | 55.9°F (1971) | 1.73 in (1976) |
| July 29 | 98.1°F (1993) | 57.0°F (2013) | 2.45 in (2006) |
| July 30 | 100.0°F (1999) | 48.9°F (1965) | 2.45 in (1972) |
| July 31 | 100.0°F (1999) | 48.0°F (1965) | 3.40 in (2004) |