December weather in Sierra Vista, AZ
The average temperature in Sierra Vista in December is 45.6°F (29.5°F–61.6°F). Average precipitation: 0.85 inches.
December is a winter month in Sierra Vista, and is cooler than the annual average of 61.6°F. Daily temperatures swing about 32.1°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 9h 57m. For travel, December is cool.
Avg High
61.6°F
Avg Low
29.5°F
Precipitation
0.85 in
Daylight
9h 57m
December records in Sierra Vista
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 80.1°F (2011) | 21.0°F (2004) | 0.80 in (1982) |
| December 2 | 80.1°F (2012) | 19.0°F (1991) | 0.26 in (1982) |
| December 3 | 80.1°F (2011) | 19.0°F (1991) | 0.32 in (1992) |
| December 4 | 78.1°F (1987) | 19.9°F (2020) | 0.60 in (1984) |
| December 5 | 79.0°F (2007) | 19.9°F (2020) | 0.45 in (2022) |
| December 6 | 80.1°F (2012) | 21.9°F (1999) | 0.96 in (1992) |
| December 7 | 78.1°F (2007) | 24.1°F (1998) | 0.29 in (1986) |
| December 8 | 73.9°F (1996) | 19.9°F (2011) | 0.50 in (1988) |
| December 9 | 77.0°F (1989) | 24.1°F (2017) | 0.74 in (1982) |
| December 10 | 78.1°F (2015) | 25.0°F (2013) | 0.95 in (1982) |
| December 11 | 79.0°F (1987) | 21.9°F (2024) | 0.37 in (1984) |
| December 12 | 73.9°F (1996) | 19.0°F (1989) | 0.25 in (1985) |
| December 13 | 75.0°F (2016) | 19.0°F (1989) | 0.66 in (1984) |
| December 14 | 73.9°F (2025) | 21.0°F (1984) | 0.55 in (2012) |
| December 15 | 81.0°F (2016) | 19.0°F (1987) | 0.58 in (2012) |
| December 16 | 72.0°F (2024) | 21.0°F (2001) | 1.37 in (1986) |
| December 17 | 72.0°F (1988) | 19.9°F (2019) | 1.77 in (1987) |
| December 18 | 79.0°F (2013) | 19.9°F (2019) | 0.33 in (1991) |
| December 19 | 75.0°F (1982) | 23.0°F (2019) | 0.33 in (1991) |
| December 20 | 73.0°F (2003) | 23.0°F (2002) | 0.41 in (1991) |
| December 21 | 75.0°F (2025) | 23.0°F (2006) | 0.20 in (1995) |
| December 22 | 75.9°F (2025) | 17.1°F (2001) | 0.56 in (2016) |
| December 23 | 77.0°F (2025) | 18.0°F (1990) | 1.09 in (2023) |
| December 24 | 78.1°F (2025) | 19.9°F (2020) | 0.27 in (1982) |
| December 25 | 79.0°F (1983) | 19.9°F (2020) | 0.26 in (1987) |
| December 26 | 75.0°F (2017) | 15.1°F (1987) | 0.20 in (2018) |
| December 27 | 72.0°F (2025) | 17.1°F (1987) | 0.12 in (2019) |
| December 28 | 71.1°F (2022) | 17.1°F (1987) | 1.42 in (1984) |
| December 29 | 73.0°F (1998) | 18.0°F (2003) | 0.06 in (2022) |
| December 30 | 75.9°F (2011) | 19.0°F (1988) | 0.17 in (2018) |
| December 31 | 77.0°F (2017) | 19.0°F (1988) | 0.45 in (2021) |