May weather in Chester, PA
The average temperature in Chester in May is 65.0°F (55.1°F–74.9°F). Average precipitation: 3.16 inches.
May is a spring month in Chester, and is warmer than the annual average of 57.1°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 12m. For travel, May is one of the best months of the year to visit.
Avg High
74.9°F
Avg Low
55.1°F
Precipitation
3.16 in
Daylight
14h 12m
May records in Chester
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (1942) | 36.0°F (1922) | 4.05 in (1947) |
| May 2 | 89.1°F (2010) | 36.0°F (1920) | 1.50 in (1985) |
| May 3 | 88.0°F (2001) | 30.0°F (1937) | 2.50 in (1985) |
| May 4 | 88.0°F (1965) | 37.9°F (1957) | 4.75 in (1934) |
| May 5 | 91.0°F (1980) | 37.9°F (1920) | 1.31 in (1958) |
| May 6 | 93.0°F (1939) | 30.9°F (1932) | 2.17 in (1991) |
| May 7 | 95.0°F (1936) | 39.0°F (1970) | 1.89 in (1935) |
| May 8 | 93.9°F (1936) | 37.0°F (1947) | 1.50 in (1984) |
| May 9 | 91.9°F (1963) | 35.1°F (1947) | 1.66 in (2008) |
| May 10 | 91.0°F (1963) | 35.1°F (1947) | 1.59 in (1990) |
| May 11 | 90.0°F (1985) | 37.9°F (1966) | 1.90 in (1981) |
| May 12 | 91.0°F (1948) | 39.0°F (1963) | 1.87 in (1932) |
| May 13 | 91.0°F (1957) | 39.9°F (1939) | 1.44 in (1990) |
| May 14 | 91.9°F (1956) | 39.9°F (2013) | 1.45 in (1972) |
| May 15 | 89.1°F (1940) | 43.0°F (2013) | 1.20 in (1946) |
| May 16 | 95.0°F (1998) | 42.1°F (1939) | 2.00 in (1983) |
| May 17 | 91.9°F (1974) | 37.9°F (1956) | 1.26 in (1942) |
| May 18 | 96.1°F (1962) | 41.0°F (1973) | 1.71 in (2002) |
| May 19 | 99.0°F (1962) | 43.0°F (1976) | 1.28 in (1946) |
| May 20 | 97.0°F (1934) | 43.0°F (2002) | 1.85 in (1969) |
| May 21 | 93.9°F (1934) | 44.1°F (1994) | 1.30 in (1983) |
| May 22 | 99.0°F (1941) | 44.1°F (2002) | 1.45 in (1922) |
| May 23 | 96.1°F (1941) | 46.0°F (1935) | 1.23 in (1949) |
| May 24 | 91.9°F (1964) | 39.9°F (1963) | 2.40 in (1978) |
| May 25 | 93.9°F (1991) | 43.0°F (1963) | 1.92 in (1952) |
| May 26 | 93.9°F (2010) | 46.9°F (1961) | 2.12 in (2001) |
| May 27 | 102.0°F (1941) | 44.1°F (1961) | 1.05 in (1938) |
| May 28 | 96.1°F (1941) | 43.0°F (1936) | 1.67 in (1968) |
| May 29 | 97.0°F (1991) | 46.0°F (1949) | 1.87 in (1984) |
| May 30 | 99.0°F (1939) | 44.1°F (1938) | 1.87 in (1975) |
| May 31 | 97.0°F (2011) | 42.1°F (1938) | 2.01 in (1993) |