October weather in Gillette, WY
The average temperature in Gillette in October is 46.8°F (34.4°F–59.2°F). Average precipitation: 1.57 inches. Average snowfall is 4.4 inches.
October is a fall month in Gillette, and is cooler than the annual average of 46.8°F. Daily temperatures swing about 24.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 44m. For travel, October is cool.
Avg High
59.2°F
Avg Low
34.4°F
Precipitation
1.57 in
Snow
4.4 in
October records in Gillette
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 90.0°F (2011) | 23.0°F (1985) | 1.57 in (1977) |
| October 2 | 88.0°F (2011) | 19.9°F (1950) | 1.20 in (1971) |
| October 3 | 98.1°F (1922) | 21.0°F (2009) | 0.68 in (1966) |
| October 4 | 91.9°F (1920) | 24.1°F (1954) | 1.93 in (2013) |
| October 5 | 93.9°F (1920) | 21.0°F (2000) | 1.00 in (1912) |
| October 6 | 87.1°F (1975) | 14.0°F (2000) | 2.16 in (1994) |
| October 7 | 82.0°F (1956) | 17.1°F (2000) | 0.84 in (2007) |
| October 8 | 91.0°F (1920) | 16.0°F (1970) | 0.65 in (1949) |
| October 9 | 86.0°F (1910) | 16.0°F (2009) | 1.20 in (1973) |
| October 10 | 88.0°F (1910) | 10.0°F (2009) | 0.61 in (1973) |
| October 11 | 84.9°F (1910) | 10.9°F (2019) | 0.34 in (2013) |
| October 12 | 82.9°F (1958) | 12.9°F (2009) | 1.46 in (2023) |
| October 13 | 90.0°F (1921) | 7.0°F (1969) | 0.88 in (2021) |
| October 14 | 87.1°F (1921) | 6.1°F (1969) | 0.47 in (1905) |
| October 15 | 82.0°F (1958) | 16.0°F (1966) | 1.02 in (2013) |
| October 16 | 89.1°F (1921) | 12.9°F (1969) | 0.94 in (1998) |
| October 17 | 82.0°F (1927) | 10.0°F (1930) | 2.00 in (1994) |
| October 18 | 86.0°F (1958) | 10.0°F (1905) | 0.70 in (1971) |
| October 19 | 81.0°F (1958) | 3.0°F (1905) | 1.08 in (1924) |
| October 20 | 80.1°F (1947) | 10.0°F (1905) | 0.42 in (2019) |
| October 21 | 81.0°F (1992) | 7.0°F (1949) | 0.24 in (1931) |
| October 22 | 81.0°F (1915) | 10.0°F (1917) | 0.92 in (1986) |
| October 23 | 82.9°F (1915) | 15.1°F (1917) | 0.70 in (1925) |
| October 24 | 80.1°F (1948) | 12.0°F (2020) | 1.15 in (1973) |
| October 25 | 79.0°F (1979) | 6.1°F (2020) | 0.31 in (1970) |
| October 26 | 79.0°F (1960) | -6.0°F (2020) | 1.10 in (1996) |
| October 27 | 78.1°F (1944) | 0.0°F (2023) | 0.46 in (2025) |
| October 28 | 78.1°F (1937) | -11.9°F (1925) | 1.07 in (1998) |
| October 29 | 81.0°F (1968) | -0.9°F (1991) | 0.85 in (2024) |
| October 30 | 75.9°F (1950) | -9.0°F (1991) | 0.68 in (1963) |
| October 31 | 75.0°F (1999) | -4.0°F (1991) | 1.43 in (1974) |