October weather in Grantsville, UT
The average temperature in Grantsville in October is 51.0°F (38.0°F–64.1°F). Average precipitation: 0.91 inches.
October is a fall month in Grantsville, and is cooler than the annual average of 51.2°F. Daily temperatures swing about 26.1°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 10h 53m. For travel, October is a comfortable month to visit.
Avg High
64.1°F
Avg Low
38.0°F
Precipitation
0.91 in
Snow
0.1 in
October records in Grantsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 89.1°F (2001) | 30.0°F (2009) | 0.38 in (2025) |
| October 2 | 87.1°F (2015) | 30.0°F (2009) | 0.56 in (1907) |
| October 3 | 84.0°F (2010) | 19.9°F (2003) | 1.10 in (1916) |
| October 4 | 84.9°F (2011) | 26.1°F (2016) | 0.84 in (2025) |
| October 5 | 91.0°F (2024) | 26.1°F (2016) | 0.80 in (1962) |
| October 6 | 78.1°F (2003) | 30.0°F (2009) | 0.56 in (2007) |
| October 7 | 80.1°F (2024) | 27.0°F (2016) | 0.72 in (2006) |
| October 8 | 79.0°F (2001) | 30.9°F (2016) | 0.87 in (1993) |
| October 9 | 82.0°F (2003) | 34.0°F (2011) | 0.88 in (1914) |
| October 10 | 88.0°F (2003) | 28.9°F (2001) | 0.93 in (1911) |
| October 11 | 84.0°F (2020) | 17.1°F (2019) | 0.92 in (1981) |
| October 12 | 87.1°F (2024) | 19.9°F (2019) | 0.68 in (1925) |
| October 13 | 81.0°F (2024) | 26.1°F (2008) | 0.62 in (1920) |
| October 14 | 80.1°F (2020) | 26.1°F (2008) | 0.57 in (1993) |
| October 15 | 80.1°F (2015) | 25.0°F (2017) | 0.70 in (1968) |
| October 16 | 79.0°F (2005) | 26.1°F (2018) | 0.92 in (1981) |
| October 17 | 81.0°F (2004) | 30.0°F (2017) | 0.62 in (1969) |
| October 18 | 77.0°F (2015) | 30.9°F (2012) | 0.66 in (1932) |
| October 19 | 75.0°F (2003) | 30.9°F (2013) | 1.12 in (1908) |
| October 20 | 75.9°F (2007) | 32.0°F (2007) | 1.43 in (1979) |
| October 21 | 78.1°F (2003) | 28.0°F (2017) | 0.93 in (2004) |
| October 22 | 78.1°F (2022) | 27.0°F (2006) | 0.23 in (1920) |
| October 23 | 75.9°F (2003) | 25.0°F (2020) | 0.93 in (1923) |
| October 24 | 73.0°F (2024) | 25.0°F (2001) | 0.74 in (1972) |
| October 25 | 72.0°F (2014) | 21.9°F (2022) | 0.60 in (2010) |
| October 26 | 78.1°F (2014) | 9.0°F (2020) | 1.14 in (1940) |
| October 27 | 70.0°F (2016) | 17.1°F (2020) | 1.08 in (1991) |
| October 28 | 77.0°F (2016) | 12.0°F (2019) | 0.50 in (1971) |
| October 29 | 75.0°F (2016) | 23.0°F (2011) | 0.77 in (1924) |
| October 30 | 75.9°F (2003) | 6.1°F (2019) | 0.45 in (1920) |
| October 31 | 73.0°F (2001) | 8.1°F (2019) | 0.55 in (1920) |