October weather in Boulder, UT
The average temperature in Boulder in October is 51.5°F (40.5°F–62.4°F). Average precipitation: 1.44 inches. Average snowfall is 0.5 inches.
October is a fall month in Boulder, and is warmer than the annual average of 50.3°F. Daily temperatures swing about 21.9°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 10h 59m. For travel, October is a comfortable month to visit.
Avg High
62.4°F
Avg Low
40.5°F
Precipitation
1.44 in
Snow
0.5 in
October records in Boulder
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 82.9°F (1963) | 25.0°F (1959) | 0.97 in (2022) |
| October 2 | 82.0°F (1963) | 23.0°F (1959) | 0.91 in (2022) |
| October 3 | 82.9°F (1964) | 26.1°F (1959) | 0.50 in (1976) |
| October 4 | 80.1°F (1980) | 26.1°F (1969) | 0.65 in (2008) |
| October 5 | 81.0°F (1979) | 25.0°F (1969) | 1.67 in (2010) |
| October 6 | 80.1°F (1979) | 25.0°F (1955) | 2.88 in (2006) |
| October 7 | 81.0°F (1979) | 27.0°F (2007) | 0.70 in (2018) |
| October 8 | 80.1°F (1980) | 19.9°F (1970) | 0.68 in (2021) |
| October 9 | 79.0°F (1996) | 28.0°F (1961) | 2.00 in (1960) |
| October 10 | 79.0°F (1979) | 24.1°F (1961) | 1.85 in (2025) |
| October 11 | 78.1°F (1965) | 21.0°F (2019) | 0.82 in (1957) |
| October 12 | 79.0°F (1999) | 19.9°F (2008) | 1.16 in (2012) |
| October 13 | 79.0°F (1991) | 24.1°F (1986) | 0.59 in (1987) |
| October 14 | 84.9°F (2020) | 25.0°F (1966) | 0.77 in (2006) |
| October 15 | 77.0°F (1958) | 21.9°F (2018) | 0.83 in (1994) |
| October 16 | 78.1°F (1991) | 18.0°F (1984) | 0.42 in (1972) |
| October 17 | 79.0°F (1991) | 19.9°F (1968) | 0.40 in (1993) |
| October 18 | 78.1°F (1995) | 19.9°F (1984) | 0.76 in (2005) |
| October 19 | 78.1°F (1988) | 21.0°F (1969) | 1.64 in (1972) |
| October 20 | 75.0°F (2003) | 24.1°F (1996) | 0.64 in (2004) |
| October 21 | 77.0°F (1955) | 18.0°F (1958) | 1.33 in (2004) |
| October 22 | 75.9°F (1988) | 19.0°F (1996) | 0.59 in (1975) |
| October 23 | 77.0°F (2003) | 19.9°F (1995) | 0.77 in (2000) |
| October 24 | 73.9°F (1959) | 19.0°F (1975) | 0.55 in (1971) |
| October 25 | 81.0°F (1959) | 17.1°F (1956) | 0.67 in (1971) |
| October 26 | 72.0°F (1968) | 12.9°F (2020) | 0.46 in (2011) |
| October 27 | 72.0°F (1995) | 12.9°F (2020) | 0.75 in (2002) |
| October 28 | 72.0°F (1994) | 16.0°F (1970) | 1.02 in (2005) |
| October 29 | 71.1°F (1994) | 18.0°F (1960) | 0.81 in (1974) |
| October 30 | 69.1°F (2008) | 3.9°F (1971) | 0.46 in (1987) |
| October 31 | 70.0°F (1997) | 10.9°F (2019) | 0.73 in (1986) |