May weather in Lambertville, NJ
The average temperature in Lambertville in May is 61.9°F (49.4°F–74.3°F). Average precipitation: 4.32 inches.
May is a spring month in Lambertville, and is warmer than the annual average of 53.1°F. Daily temperatures swing about 24.9°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 15m. For travel, May is a comfortable month to visit.
Avg High
74.3°F
Avg Low
49.4°F
Precipitation
4.32 in
Daylight
14h 15m
May records in Lambertville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1942) | 19.9°F (1999) | 3.45 in (2014) |
| May 2 | 87.1°F (2001) | 15.1°F (1999) | 2.34 in (1989) |
| May 3 | 90.0°F (2001) | 14.0°F (1999) | 2.46 in (1985) |
| May 4 | 91.9°F (2001) | 32.0°F (1957) | 1.98 in (2009) |
| May 5 | 93.0°F (2001) | 30.0°F (1966) | 1.58 in (1948) |
| May 6 | 91.9°F (1949) | 34.0°F (1954) | 1.66 in (1991) |
| May 7 | 89.1°F (1939) | 30.9°F (1968) | 1.33 in (1956) |
| May 8 | 93.0°F (2000) | 30.9°F (1974) | 1.55 in (2022) |
| May 9 | 93.9°F (2000) | 25.0°F (1977) | 1.41 in (1998) |
| May 10 | 91.9°F (2000) | 26.1°F (1947) | 1.72 in (1989) |
| May 11 | 91.9°F (1953) | 28.0°F (1966) | 1.78 in (1981) |
| May 12 | 90.0°F (1959) | 34.0°F (1941) | 2.05 in (1943) |
| May 13 | 90.0°F (1991) | 32.0°F (1967) | 1.66 in (1948) |
| May 14 | 89.1°F (1991) | 32.0°F (1994) | 1.71 in (2025) |
| May 15 | 88.0°F (1991) | 35.1°F (1936) | 1.88 in (2025) |
| May 16 | 90.0°F (1951) | 35.1°F (1939) | 1.44 in (1981) |
| May 17 | 91.9°F (1951) | 33.1°F (1956) | 1.30 in (2018) |
| May 18 | 95.0°F (1962) | 33.1°F (1983) | 1.80 in (1985) |
| May 19 | 97.0°F (1962) | 35.1°F (1973) | 1.72 in (1988) |
| May 20 | 93.9°F (1962) | 37.9°F (1991) | 3.01 in (1969) |
| May 21 | 95.0°F (1996) | 37.0°F (1992) | 1.24 in (1954) |
| May 22 | 95.0°F (1941) | 35.1°F (1999) | 1.90 in (2001) |
| May 23 | 93.9°F (1941) | 30.0°F (1999) | 0.97 in (2014) |
| May 24 | 91.9°F (1975) | 30.9°F (1963) | 2.30 in (1979) |
| May 25 | 93.0°F (1991) | 28.0°F (1999) | 1.94 in (1952) |
| May 26 | 93.0°F (1965) | 30.0°F (1999) | 2.03 in (1997) |
| May 27 | 91.9°F (1941) | 35.1°F (1972) | 3.85 in (2018) |
| May 28 | 93.0°F (1941) | 35.1°F (1994) | 1.74 in (1984) |
| May 29 | 95.0°F (1987) | 37.0°F (1936) | 2.18 in (1968) |
| May 30 | 95.0°F (1987) | 36.0°F (1949) | 2.00 in (1948) |
| May 31 | 93.0°F (1986) | 33.1°F (1993) | 0.83 in (1955) |