May weather in Plainfield, NJ
The average temperature in Plainfield in May is 63.1°F (51.3°F–74.9°F). Average precipitation: 4.01 inches.
May is a spring month in Plainfield, and is warmer than the annual average of 54.8°F. Daily temperatures swing about 23.6°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 16m. For travel, May is a comfortable month to visit.
Avg High
74.9°F
Avg Low
51.3°F
Precipitation
4.01 in
Daylight
14h 16m
May records in Plainfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (2010) | 28.9°F (1931) | 1.40 in (1976) |
| May 2 | 93.0°F (2001) | 30.9°F (1903) | 2.03 in (1897) |
| May 3 | 93.0°F (2001) | 30.9°F (1925) | 2.15 in (1985) |
| May 4 | 93.9°F (2001) | 30.0°F (1911) | 2.47 in (1893) |
| May 5 | 91.0°F (1949) | 30.9°F (1924) | 1.81 in (1921) |
| May 6 | 93.0°F (1949) | 30.9°F (1920) | 1.52 in (1991) |
| May 7 | 93.9°F (2000) | 32.0°F (1970) | 3.36 in (1908) |
| May 8 | 95.0°F (2000) | 30.0°F (1925) | 2.75 in (1898) |
| May 9 | 93.0°F (1936) | 30.9°F (1925) | 1.54 in (1924) |
| May 10 | 95.0°F (1896) | 28.9°F (1947) | 1.68 in (1945) |
| May 11 | 95.0°F (1896) | 28.0°F (1923) | 2.43 in (1981) |
| May 12 | 91.0°F (1911) | 30.0°F (1907) | 2.64 in (1943) |
| May 13 | 90.0°F (1956) | 34.0°F (1938) | 2.05 in (1897) |
| May 14 | 91.0°F (1900) | 30.9°F (1996) | 1.06 in (1975) |
| May 15 | 93.9°F (1900) | 33.1°F (1936) | 1.75 in (1946) |
| May 16 | 91.9°F (1951) | 36.0°F (1902) | 1.62 in (1989) |
| May 17 | 91.9°F (1974) | 32.0°F (1895) | 1.65 in (1919) |
| May 18 | 93.0°F (1962) | 35.1°F (1983) | 2.10 in (1922) |
| May 19 | 98.1°F (1962) | 33.1°F (2002) | 3.35 in (1900) |
| May 20 | 97.0°F (1996) | 35.1°F (2002) | 1.01 in (1972) |
| May 21 | 93.9°F (1934) | 35.1°F (1949) | 1.42 in (1910) |
| May 22 | 96.1°F (1941) | 35.1°F (1907) | 1.37 in (2001) |
| May 23 | 95.0°F (1925) | 34.0°F (1929) | 1.45 in (1960) |
| May 24 | 95.0°F (1975) | 32.0°F (1963) | 2.71 in (1979) |
| May 25 | 93.9°F (1991) | 33.1°F (1956) | 2.27 in (1952) |
| May 26 | 95.0°F (1965) | 37.9°F (1949) | 2.40 in (1970) |
| May 27 | 95.0°F (1914) | 37.0°F (1925) | 1.50 in (1906) |
| May 28 | 93.9°F (1977) | 35.1°F (1927) | 1.71 in (1917) |
| May 29 | 96.1°F (1969) | 34.0°F (1902) | 5.75 in (1968) |
| May 30 | 97.0°F (1987) | 35.1°F (1949) | 1.99 in (1948) |
| May 31 | 99.0°F (1999) | 37.9°F (1961) | 2.68 in (1940) |