April weather in Gillette, WY
The average temperature in Gillette in April is 44.1°F (31.7°F–56.4°F). Average precipitation: 2.13 inches. Average snowfall is 9.4 inches.
April is a spring month in Gillette, and is cooler than the annual average of 46.8°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 14m. For travel, April is cool.
Avg High
56.4°F
Avg Low
31.7°F
Precipitation
2.13 in
Snow
9.4 in
April records in Gillette
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 79.0°F (2012) | -4.0°F (1936) | 0.77 in (1958) |
| April 2 | 81.0°F (1921) | -11.9°F (1936) | 1.20 in (1906) |
| April 3 | 78.1°F (1921) | -4.0°F (2020) | 0.58 in (1946) |
| April 4 | 75.9°F (1992) | -0.9°F (1968) | 0.70 in (1997) |
| April 5 | 75.9°F (2006) | -4.0°F (1936) | 1.87 in (1997) |
| April 6 | 77.0°F (1969) | 1.9°F (1934) | 1.02 in (1941) |
| April 7 | 80.1°F (1952) | 3.9°F (1938) | 1.10 in (1975) |
| April 8 | 73.9°F (2005) | 0.0°F (1997) | 0.91 in (1969) |
| April 9 | 79.0°F (1910) | 5.0°F (1973) | 0.82 in (1950) |
| April 10 | 84.0°F (1977) | 7.0°F (1997) | 1.73 in (2019) |
| April 11 | 80.1°F (1949) | -5.1°F (1997) | 0.95 in (1996) |
| April 12 | 82.9°F (1908) | -0.9°F (1997) | 1.00 in (1927) |
| April 13 | 86.0°F (1908) | 3.9°F (2020) | 0.95 in (1941) |
| April 14 | 78.1°F (2015) | 7.0°F (1986) | 0.83 in (1941) |
| April 15 | 78.1°F (1937) | 10.9°F (1953) | 0.82 in (1918) |
| April 16 | 81.0°F (1926) | 12.9°F (1921) | 0.94 in (1976) |
| April 17 | 79.0°F (1979) | 16.0°F (1953) | 0.46 in (1975) |
| April 18 | 84.9°F (1908) | 10.9°F (2013) | 0.90 in (1942) |
| April 19 | 84.0°F (1910) | 10.0°F (1951) | 1.15 in (1973) |
| April 20 | 84.9°F (1910) | 5.0°F (1966) | 1.68 in (1974) |
| April 21 | 86.0°F (1989) | 6.1°F (1927) | 1.40 in (2005) |
| April 22 | 82.0°F (1989) | 14.0°F (1951) | 0.62 in (1978) |
| April 23 | 84.0°F (2012) | 3.0°F (2013) | 1.60 in (2022) |
| April 24 | 91.0°F (1910) | 19.9°F (1931) | 1.06 in (2016) |
| April 25 | 79.0°F (1910) | 18.0°F (1950) | 2.12 in (1969) |
| April 26 | 82.9°F (1952) | 10.9°F (1932) | 0.68 in (1984) |
| April 27 | 90.0°F (1910) | 12.9°F (1994) | 1.05 in (1990) |
| April 28 | 84.0°F (1910) | 12.0°F (1984) | 1.15 in (2025) |
| April 29 | 82.9°F (1992) | 12.0°F (1984) | 0.85 in (1944) |
| April 30 | 87.1°F (1992) | 12.0°F (1950) | 2.43 in (1993) |