August weather in Boonton, NJ
The average temperature in Boonton in August is 72.8°F (62.1°F–83.6°F). Average precipitation: 3.67 inches.
August is a summer month in Boonton, and is warmer than the annual average of 51.8°F. Daily temperatures swing about 21.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 38m. For travel, August is a comfortable month to visit.
Avg High
83.6°F
Avg Low
62.1°F
Precipitation
3.67 in
Daylight
13h 38m
August records in Boonton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 98.1°F (1917) | 48.9°F (1930) | 1.82 in (1970) |
| August 2 | 98.1°F (1917) | 48.9°F (1924) | 1.35 in (1973) |
| August 3 | 98.1°F (1955) | 46.9°F (1924) | 2.56 in (1986) |
| August 4 | 97.0°F (2005) | 46.0°F (1964) | 2.38 in (1915) |
| August 5 | 99.0°F (1944) | 48.0°F (1921) | 2.20 in (1903) |
| August 6 | 97.0°F (1896) | 44.1°F (1934) | 2.22 in (1990) |
| August 7 | 97.0°F (1896) | 46.9°F (1994) | 2.30 in (1903) |
| August 8 | 102.9°F (1918) | 36.0°F (1897) | 2.60 in (2007) |
| August 9 | 97.0°F (2001) | 45.0°F (1899) | 1.94 in (1959) |
| August 10 | 99.0°F (2001) | 44.1°F (1964) | 2.40 in (1942) |
| August 11 | 98.1°F (1949) | 46.0°F (1930) | 2.17 in (1990) |
| August 12 | 98.1°F (1944) | 44.1°F (1930) | 3.12 in (2018) |
| August 13 | 98.1°F (1944) | 41.0°F (1930) | 4.95 in (1955) |
| August 14 | 97.0°F (1944) | 42.1°F (1941) | 2.06 in (1942) |
| August 15 | 97.0°F (2002) | 46.9°F (1964) | 3.85 in (1927) |
| August 16 | 95.0°F (1944) | 46.0°F (1899) | 2.97 in (1949) |
| August 17 | 95.0°F (1938) | 44.1°F (1929) | 4.06 in (1909) |
| August 18 | 95.0°F (1944) | 42.1°F (1923) | 2.01 in (1928) |
| August 19 | 93.0°F (2015) | 45.0°F (1923) | 3.83 in (2024) |
| August 20 | 91.9°F (2002) | 45.0°F (1896) | 2.93 in (2005) |
| August 21 | 98.1°F (1916) | 45.0°F (1923) | 2.04 in (1948) |
| August 22 | 99.0°F (1916) | 43.0°F (1895) | 1.94 in (1897) |
| August 23 | 93.9°F (1916) | 37.9°F (1923) | 2.62 in (2021) |
| August 24 | 93.0°F (1898) | 39.0°F (1923) | 4.05 in (1933) |
| August 25 | 91.0°F (1972) | 39.0°F (1940) | 1.96 in (1945) |
| August 26 | 93.9°F (1948) | 39.9°F (1923) | 1.80 in (1908) |
| August 27 | 100.0°F (1948) | 43.0°F (1944) | 3.93 in (1928) |
| August 28 | 98.1°F (1948) | 42.1°F (1925) | 3.71 in (1971) |
| August 29 | 98.1°F (1948) | 39.9°F (1925) | 2.10 in (1903) |
| August 30 | 98.1°F (1953) | 39.9°F (1986) | 1.32 in (1988) |
| August 31 | 96.1°F (1953) | 36.0°F (1965) | 3.91 in (1960) |