October weather in Byron, WY
The average temperature in Byron in October is 45.2°F (31.6°F–58.8°F). Average precipitation: 0.74 inches. Average snowfall is 0.8 inches.
October is a fall month in Byron, and is warmer than the annual average of 44.9°F. Daily temperatures swing about 27.2°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 10h 43m. For travel, October is cool.
Avg High
58.8°F
Avg Low
31.6°F
Precipitation
0.74 in
Snow
0.8 in
October records in Byron
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 89.1°F (1938) | 16.0°F (1985) | 0.71 in (1971) |
| October 2 | 88.0°F (1963) | 21.0°F (1899) | 0.30 in (1971) |
| October 3 | 87.1°F (1938) | 19.0°F (1899) | 1.04 in (1994) |
| October 4 | 88.0°F (1938) | 18.0°F (1899) | 1.06 in (2016) |
| October 5 | 89.1°F (1963) | 18.0°F (1898) | 0.72 in (2025) |
| October 6 | 87.1°F (1938) | 19.0°F (1974) | 0.44 in (2007) |
| October 7 | 86.0°F (1938) | 15.1°F (1900) | 0.67 in (2011) |
| October 8 | 86.0°F (1938) | 17.1°F (1900) | 1.40 in (1997) |
| October 9 | 84.0°F (1938) | 12.0°F (1925) | 0.68 in (2006) |
| October 10 | 87.1°F (1938) | 10.9°F (1919) | 0.33 in (1930) |
| October 11 | 87.1°F (1938) | 15.1°F (2019) | 0.48 in (1947) |
| October 12 | 86.0°F (1938) | 10.9°F (2016) | 1.38 in (2025) |
| October 13 | 86.0°F (1938) | 12.0°F (1899) | 0.57 in (1975) |
| October 14 | 87.1°F (1938) | 10.0°F (1969) | 0.62 in (1897) |
| October 15 | 87.1°F (1938) | 10.9°F (1969) | 0.68 in (1983) |
| October 16 | 86.0°F (1938) | 18.0°F (1970) | 0.48 in (1959) |
| October 17 | 84.9°F (1991) | -0.9°F (2020) | 0.40 in (1988) |
| October 18 | 79.0°F (2003) | -0.9°F (2020) | 0.85 in (2007) |
| October 19 | 78.1°F (1963) | 10.9°F (1916) | 0.36 in (1951) |
| October 20 | 81.0°F (1921) | 14.0°F (1898) | 0.56 in (1951) |
| October 21 | 81.0°F (1921) | 12.9°F (1911) | 0.70 in (1958) |
| October 22 | 81.0°F (2003) | 14.0°F (1936) | 0.30 in (1947) |
| October 23 | 77.0°F (2023) | 12.9°F (1916) | 0.25 in (1925) |
| October 24 | 75.9°F (1973) | 1.9°F (2020) | 0.36 in (1972) |
| October 25 | 84.0°F (1926) | 1.0°F (1919) | 0.36 in (2000) |
| October 26 | 75.0°F (1979) | 0.0°F (2020) | 0.50 in (2021) |
| October 27 | 75.0°F (1922) | 1.9°F (1919) | 0.46 in (1982) |
| October 28 | 82.0°F (1929) | 10.0°F (2023) | 0.46 in (1912) |
| October 29 | 75.9°F (1990) | 1.0°F (1917) | 0.57 in (1979) |
| October 30 | 79.0°F (1950) | -8.0°F (1991) | 0.64 in (1943) |
| October 31 | 75.0°F (1937) | -2.9°F (1991) | 0.65 in (1974) |