May weather in Chester, MT
The average temperature in Chester in May is 52.0°F (38.2°F–65.8°F). Average precipitation: 1.68 inches. Average snowfall is 0.4 inches.
May is a spring month in Chester, and is warmer than the annual average of 41.4°F. Daily temperatures swing about 27.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 15h 1m. For travel, May is a comfortable month to visit.
Avg High
65.8°F
Avg Low
38.2°F
Precipitation
1.68 in
Snow
0.4 in
May records in Chester
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.9°F (1968) | 10.9°F (2013) | 0.89 in (1920) |
| May 2 | 87.1°F (1957) | 14.0°F (1954) | 0.82 in (1964) |
| May 3 | 86.0°F (1957) | 17.1°F (1956) | 1.10 in (1901) |
| May 4 | 84.9°F (1957) | 15.1°F (1962) | 1.00 in (1952) |
| May 5 | 91.0°F (1911) | 17.1°F (1902) | 1.00 in (1986) |
| May 6 | 93.9°F (1920) | 19.9°F (1902) | 0.79 in (1975) |
| May 7 | 88.0°F (1916) | 21.0°F (1909) | 0.84 in (1970) |
| May 8 | 87.1°F (1987) | 21.0°F (1903) | 0.50 in (1913) |
| May 9 | 86.0°F (1987) | 19.0°F (1990) | 0.65 in (2021) |
| May 10 | 88.0°F (1906) | 8.1°F (1946) | 0.78 in (1966) |
| May 11 | 87.1°F (1958) | 19.9°F (2012) | 0.45 in (2004) |
| May 12 | 90.0°F (1903) | 16.0°F (1943) | 0.91 in (2017) |
| May 13 | 86.0°F (2013) | 17.1°F (1943) | 0.82 in (1974) |
| May 14 | 88.0°F (1917) | 0.0°F (2004) | 0.80 in (1955) |
| May 15 | 90.0°F (1917) | 0.0°F (2004) | 0.73 in (1984) |
| May 16 | 90.0°F (1988) | 25.0°F (1916) | 1.00 in (1914) |
| May 17 | 90.0°F (1988) | 19.9°F (1988) | 0.56 in (1945) |
| May 18 | 87.1°F (2008) | 19.9°F (1903) | 0.26 in (1961) |
| May 19 | 90.0°F (1919) | 25.0°F (1966) | 0.49 in (2004) |
| May 20 | 88.0°F (1958) | 24.1°F (2019) | 0.50 in (1902) |
| May 21 | 93.0°F (1980) | 19.9°F (1969) | 1.21 in (2020) |
| May 22 | 91.0°F (1980) | 23.0°F (1987) | 1.22 in (2002) |
| May 23 | 88.0°F (1951) | 3.9°F (1993) | 0.84 in (2008) |
| May 24 | 93.9°F (2001) | 24.1°F (1966) | 0.80 in (1953) |
| May 25 | 91.9°F (1919) | 25.0°F (1955) | 1.62 in (1990) |
| May 26 | 89.1°F (1966) | 28.9°F (1964) | 0.70 in (1990) |
| May 27 | 91.0°F (1966) | 24.1°F (1954) | 0.75 in (1987) |
| May 28 | 91.9°F (1919) | 18.0°F (1947) | 0.77 in (1991) |
| May 29 | 90.0°F (1958) | 23.0°F (1951) | 1.34 in (1906) |
| May 30 | 93.9°F (1986) | 23.0°F (1917) | 1.20 in (1985) |
| May 31 | 91.9°F (1986) | 27.0°F (1946) | 1.28 in (2018) |