May weather in Jamestown, NY
The average temperature in Jamestown in May is 56.5°F (44.3°F–68.8°F). Average precipitation: 3.94 inches.
May is a spring month in Jamestown, and is warmer than the annual average of 47.3°F. Daily temperatures swing about 24.5°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 23m. For travel, May is a comfortable month to visit.
Avg High
68.8°F
Avg Low
44.3°F
Precipitation
3.94 in
Daylight
14h 23m
May records in Jamestown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.0°F (1962) | 19.0°F (1987) | 0.70 in (2014) |
| May 2 | 84.9°F (2001) | 19.9°F (1984) | 1.06 in (2022) |
| May 3 | 84.0°F (2001) | 25.0°F (1978) | 0.75 in (2012) |
| May 4 | 84.9°F (2012) | 21.0°F (1987) | 1.01 in (2011) |
| May 5 | 84.0°F (2001) | 19.0°F (1986) | 1.10 in (1977) |
| May 6 | 84.9°F (1999) | 21.0°F (1987) | 0.78 in (2017) |
| May 7 | 84.9°F (1982) | 24.1°F (1989) | 1.75 in (1990) |
| May 8 | 82.9°F (1979) | 21.9°F (1987) | 0.51 in (1982) |
| May 9 | 87.1°F (1979) | 23.0°F (1985) | 2.57 in (2004) |
| May 10 | 88.0°F (1979) | 26.1°F (1983) | 0.97 in (1996) |
| May 11 | 86.0°F (1993) | 24.1°F (1987) | 1.74 in (1988) |
| May 12 | 87.1°F (1979) | 28.0°F (1974) | 1.29 in (2006) |
| May 13 | 88.0°F (1991) | 24.1°F (1987) | 2.27 in (1996) |
| May 14 | 88.0°F (1991) | 26.1°F (1987) | 1.10 in (2002) |
| May 15 | 89.1°F (1988) | 28.9°F (1977) | 0.93 in (1987) |
| May 16 | 88.0°F (1991) | 28.9°F (1984) | 1.20 in (1961) |
| May 17 | 91.0°F (1991) | 26.1°F (1984) | 0.91 in (1990) |
| May 18 | 89.1°F (1996) | 26.1°F (1983) | 0.66 in (1976) |
| May 19 | 90.0°F (1996) | 27.0°F (2009) | 2.18 in (2000) |
| May 20 | 90.0°F (1996) | 25.0°F (1985) | 0.95 in (1982) |
| May 21 | 89.1°F (2021) | 30.0°F (2002) | 3.25 in (2014) |
| May 22 | 89.1°F (2021) | 30.0°F (1985) | 1.25 in (2022) |
| May 23 | 86.0°F (1975) | 28.9°F (2015) | 1.40 in (1983) |
| May 24 | 89.1°F (1991) | 28.9°F (2015) | 2.07 in (2011) |
| May 25 | 87.1°F (1991) | 33.1°F (1976) | 0.98 in (1999) |
| May 26 | 91.0°F (2020) | 32.0°F (2013) | 0.88 in (2017) |
| May 27 | 91.0°F (2020) | 33.1°F (1974) | 0.69 in (2018) |
| May 28 | 89.1°F (1978) | 30.9°F (1989) | 2.40 in (1981) |
| May 29 | 89.1°F (2012) | 28.9°F (1985) | 2.02 in (2013) |
| May 30 | 90.0°F (2006) | 30.0°F (1996) | 0.86 in (2012) |
| May 31 | 91.0°F (2006) | 32.0°F (1996) | 0.84 in (1962) |