August weather in Phillipsburg, NJ
The average temperature in Phillipsburg in August is 72.3°F (62.0°F–82.5°F). Average precipitation: 5.18 inches.
August is a summer month in Phillipsburg, and is warmer than the annual average of 52.1°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Daylight averages about 13h 37m. For travel, August is a wet month.
Avg High
82.5°F
Avg Low
62.0°F
Precipitation
5.18 in
Daylight
13h 37m
August records in Phillipsburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1999) | 54.0°F (2021) | 2.35 in (1958) |
| August 2 | 98.1°F (2006) | 55.0°F (2019) | 1.60 in (2000) |
| August 3 | 98.1°F (2006) | 54.0°F (2023) | 2.30 in (2020) |
| August 4 | 97.0°F (2006) | 55.0°F (2021) | 2.50 in (2018) |
| August 5 | 98.1°F (2005) | 55.9°F (2013) | 5.25 in (2020) |
| August 6 | 93.0°F (2012) | 50.0°F (1994) | 3.50 in (1962) |
| August 7 | 93.9°F (2001) | 51.1°F (2016) | 0.93 in (2011) |
| August 8 | 96.1°F (2001) | 53.1°F (1994) | 1.47 in (1944) |
| August 9 | 97.0°F (2001) | 51.1°F (2004) | 3.85 in (1942) |
| August 10 | 102.9°F (2001) | 55.0°F (1997) | 2.10 in (2003) |
| August 11 | 91.9°F (2020) | 55.9°F (2008) | 0.95 in (1951) |
| August 12 | 93.9°F (2002) | 46.0°F (2006) | 1.69 in (1955) |
| August 13 | 97.0°F (2002) | 50.0°F (2006) | 3.80 in (1955) |
| August 14 | 98.1°F (2002) | 46.0°F (2006) | 3.11 in (2011) |
| August 15 | 99.0°F (2002) | 46.0°F (2006) | 1.29 in (2023) |
| August 16 | 95.0°F (2002) | 53.1°F (2013) | 1.89 in (1951) |
| August 17 | 95.0°F (1997) | 53.1°F (2014) | 1.83 in (1947) |
| August 18 | 95.0°F (2002) | 53.1°F (2014) | 1.70 in (1994) |
| August 19 | 93.9°F (2002) | 54.0°F (2012) | 2.18 in (2021) |
| August 20 | 91.9°F (2002) | 52.0°F (1998) | 1.24 in (1956) |
| August 21 | 91.0°F (2022) | 50.0°F (2000) | 1.58 in (1997) |
| August 22 | 93.0°F (1995) | 50.0°F (2000) | 3.80 in (2014) |
| August 23 | 91.0°F (2017) | 53.1°F (2000) | 2.69 in (2021) |
| August 24 | 91.0°F (1996) | 52.0°F (1994) | 0.97 in (1945) |
| August 25 | 90.0°F (2021) | 52.0°F (1994) | 1.41 in (1945) |
| August 26 | 93.0°F (2007) | 53.1°F (2013) | 1.66 in (1999) |
| August 27 | 91.0°F (2016) | 53.1°F (2017) | 0.77 in (1941) |
| August 28 | 93.0°F (2020) | 51.1°F (2025) | 5.12 in (2011) |
| August 29 | 93.9°F (2018) | 51.1°F (2025) | 1.20 in (2024) |
| August 30 | 93.0°F (2018) | 48.9°F (2025) | 1.03 in (1954) |
| August 31 | 91.9°F (2010) | 48.0°F (1999) | 2.70 in (1954) |