July weather in Petersburg, TX
The average temperature in Petersburg in July is 78.8°F (66.8°F–90.7°F). Average precipitation: 1.86 inches.
July is a summer month in Petersburg, and is warmer than the annual average of 59.3°F. Daily temperatures swing about 23.9°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 14h 3m. For travel, July is hot.
Avg High
90.7°F
Avg Low
66.8°F
Precipitation
1.86 in
Daylight
14h 3m
July records in Petersburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 100.0°F (2020) | 57.9°F (2003) | 1.24 in (2023) |
| July 2 | 100.9°F (2020) | 60.1°F (2013) | 1.72 in (1976) |
| July 3 | 104.0°F (2024) | 60.1°F (2013) | 1.94 in (2010) |
| July 4 | 99.0°F (2024) | 61.0°F (2013) | 4.00 in (2025) |
| July 5 | 100.0°F (2016) | 62.1°F (2013) | 3.70 in (1960) |
| July 6 | 102.0°F (2022) | 57.9°F (2005) | 1.14 in (1997) |
| July 7 | 102.9°F (2016) | 59.0°F (2004) | 1.92 in (1960) |
| July 8 | 107.1°F (2016) | 62.1°F (2005) | 2.61 in (1960) |
| July 9 | 102.0°F (2022) | 62.1°F (2015) | 1.12 in (1994) |
| July 10 | 105.1°F (2020) | 61.0°F (2007) | 1.67 in (1944) |
| July 11 | 102.0°F (2020) | 61.0°F (2007) | 1.85 in (1992) |
| July 12 | 106.0°F (2016) | 64.0°F (2005) | 1.92 in (1959) |
| July 13 | 107.1°F (2023) | 62.1°F (2008) | 1.00 in (2000) |
| July 14 | 109.0°F (2020) | 59.0°F (2007) | 0.67 in (1996) |
| July 15 | 109.9°F (2020) | 57.9°F (2013) | 1.06 in (1961) |
| July 16 | 104.0°F (2016) | 59.0°F (2013) | 1.05 in (1976) |
| July 17 | 100.9°F (2022) | 61.0°F (2013) | 0.77 in (2013) |
| July 18 | 102.0°F (2022) | 62.1°F (2010) | 1.35 in (2013) |
| July 19 | 105.1°F (2022) | 62.1°F (2010) | 1.36 in (1967) |
| July 20 | 107.1°F (2022) | 63.0°F (2007) | 0.92 in (1993) |
| July 21 | 105.1°F (2022) | 62.1°F (2021) | 1.00 in (1973) |
| July 22 | 100.9°F (2018) | 62.1°F (2021) | 1.90 in (1990) |
| July 23 | 102.0°F (2018) | 60.1°F (2009) | 0.69 in (2009) |
| July 24 | 99.0°F (2022) | 57.9°F (2019) | 1.20 in (1962) |
| July 25 | 102.0°F (2023) | 60.1°F (2004) | 1.46 in (1985) |
| July 26 | 100.9°F (2023) | 57.9°F (2004) | 1.26 in (2013) |
| July 27 | 100.0°F (2011) | 57.9°F (2004) | 0.60 in (1980) |
| July 28 | 100.0°F (2006) | 53.1°F (2005) | 1.71 in (1963) |
| July 29 | 100.0°F (2022) | 53.1°F (2005) | 3.08 in (1981) |
| July 30 | 98.1°F (2011) | 59.0°F (2005) | 0.87 in (2009) |
| July 31 | 98.1°F (2012) | 57.0°F (2018) | 1.67 in (1973) |