April weather in Boulder, MT
The average temperature in Boulder in April is 40.7°F (27.0°F–54.5°F). Average precipitation: 0.78 inches.
April is a spring month in Boulder, and is cooler than the annual average of 42.6°F. Daily temperatures swing about 27.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 20m. For travel, April is cool.
Avg High
54.5°F
Avg Low
27.0°F
Precipitation
0.78 in
Daylight
13h 20m
April records in Boulder
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 72.0°F (1966) | -15.0°F (1994) | 0.38 in (1957) |
| April 2 | 73.0°F (1992) | 3.9°F (2002) | 0.44 in (1970) |
| April 3 | 73.0°F (1990) | -0.9°F (1970) | 0.31 in (2001) |
| April 4 | 71.1°F (1960) | 1.9°F (2001) | 0.39 in (1994) |
| April 5 | 72.0°F (1960) | 8.1°F (1975) | 0.33 in (1967) |
| April 6 | 71.1°F (1976) | -6.0°F (1997) | 0.94 in (2006) |
| April 7 | 71.1°F (1977) | 0.0°F (1964) | 0.30 in (1969) |
| April 8 | 75.0°F (1996) | -4.0°F (1982) | 0.40 in (1950) |
| April 9 | 75.9°F (1996) | 10.0°F (1975) | 0.26 in (2004) |
| April 10 | 73.0°F (1985) | 7.0°F (1975) | 0.20 in (2006) |
| April 11 | 82.0°F (1987) | 3.0°F (1997) | 0.28 in (1996) |
| April 12 | 73.9°F (2012) | 3.9°F (1997) | 0.43 in (1993) |
| April 13 | 73.9°F (1988) | 3.0°F (2022) | 0.33 in (2023) |
| April 14 | 75.0°F (1963) | 3.0°F (2022) | 0.21 in (2011) |
| April 15 | 75.0°F (1985) | 1.9°F (2022) | 0.70 in (2009) |
| April 16 | 78.1°F (1984) | 3.9°F (2022) | 0.43 in (1959) |
| April 17 | 78.1°F (1984) | 10.9°F (1970) | 0.57 in (2006) |
| April 18 | 75.9°F (1962) | 8.1°F (1992) | 0.25 in (1979) |
| April 19 | 82.0°F (1962) | 3.9°F (1966) | 0.15 in (1987) |
| April 20 | 80.1°F (1980) | 3.9°F (1966) | 0.57 in (1984) |
| April 21 | 79.0°F (1989) | -0.9°F (2008) | 0.38 in (1988) |
| April 22 | 78.1°F (1969) | 10.0°F (1967) | 0.19 in (1960) |
| April 23 | 77.0°F (2012) | 12.9°F (2013) | 0.75 in (1979) |
| April 24 | 79.0°F (2012) | 15.1°F (1958) | 0.47 in (1956) |
| April 25 | 78.1°F (1952) | 12.9°F (2021) | 0.50 in (1975) |
| April 26 | 77.0°F (1992) | 12.9°F (1994) | 1.37 in (1955) |
| April 27 | 82.0°F (1987) | 18.0°F (1994) | 0.42 in (1976) |
| April 28 | 82.9°F (1987) | 9.0°F (1984) | 0.83 in (1950) |
| April 29 | 80.1°F (1992) | 12.9°F (2005) | 0.25 in (1967) |
| April 30 | 80.1°F (1992) | 10.9°F (1950) | 0.58 in (1980) |