May weather in Boonton, NJ
The average temperature in Boonton in May is 60.1°F (49.3°F–71.0°F). Average precipitation: 3.95 inches.
May is a spring month in Boonton, and is warmer than the annual average of 51.8°F. Daily temperatures swing about 21.7°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 17m. For travel, May is a comfortable month to visit.
Avg High
71.0°F
Avg Low
49.3°F
Precipitation
3.95 in
Daylight
14h 17m
May records in Boonton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1942) | 28.0°F (1931) | 3.40 in (2014) |
| May 2 | 90.0°F (2010) | 30.0°F (1943) | 2.00 in (1897) |
| May 3 | 88.0°F (2001) | 30.0°F (1966) | 1.89 in (1985) |
| May 4 | 89.1°F (2001) | 27.0°F (1917) | 2.13 in (1954) |
| May 5 | 91.9°F (2001) | 28.0°F (1926) | 1.72 in (1922) |
| May 6 | 89.1°F (1949) | 30.0°F (1900) | 2.49 in (1989) |
| May 7 | 91.0°F (1949) | 28.9°F (1996) | 1.86 in (2009) |
| May 8 | 880.0°F (1939) | 28.9°F (1925) | 2.15 in (1908) |
| May 9 | 93.9°F (1896) | 28.9°F (1956) | 1.57 in (1924) |
| May 10 | 95.0°F (1895) | 28.9°F (1947) | 1.30 in (1974) |
| May 11 | 93.0°F (1896) | 26.1°F (1923) | 1.97 in (1990) |
| May 12 | 90.0°F (1953) | 35.1°F (1930) | 2.52 in (1981) |
| May 13 | 89.1°F (1900) | 32.0°F (1926) | 2.39 in (1897) |
| May 14 | 91.0°F (1900) | 28.0°F (1996) | 1.61 in (2002) |
| May 15 | 98.1°F (1900) | 30.0°F (1996) | 2.00 in (2025) |
| May 16 | 87.1°F (2018) | 34.0°F (1915) | 0.97 in (1981) |
| May 17 | 91.0°F (1896) | 32.0°F (1895) | 3.33 in (1989) |
| May 18 | 89.1°F (1977) | 33.1°F (1983) | 1.37 in (1946) |
| May 19 | 91.0°F (1962) | 32.0°F (1973) | 3.30 in (1922) |
| May 20 | 95.0°F (1962) | 34.0°F (1992) | 1.39 in (1943) |
| May 21 | 93.9°F (1996) | 35.1°F (1926) | 1.01 in (1969) |
| May 22 | 91.0°F (2022) | 35.1°F (1936) | 1.50 in (2012) |
| May 23 | 91.9°F (1941) | 34.0°F (1929) | 1.08 in (1953) |
| May 24 | 91.0°F (1992) | 30.9°F (1923) | 2.08 in (2013) |
| May 25 | 93.0°F (1975) | 30.0°F (1956) | 2.00 in (1979) |
| May 26 | 91.9°F (2007) | 36.0°F (1949) | 2.13 in (1947) |
| May 27 | 93.0°F (2010) | 35.1°F (1963) | 2.58 in (1983) |
| May 28 | 90.0°F (1932) | 33.1°F (1927) | 1.93 in (1946) |
| May 29 | 91.0°F (2012) | 36.0°F (1927) | 3.06 in (1968) |
| May 30 | 93.9°F (1895) | 34.0°F (1949) | 2.96 in (1968) |
| May 31 | 97.0°F (1895) | 35.1°F (1924) | 1.91 in (2025) |