December weather in Olathe, CO
The average temperature in Olathe in December is 27.3°F (16.1°F–38.6°F). Average precipitation: 0.46 inches.
December is a winter month in Olathe, and is cooler than the annual average of 50.3°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 19m. For travel, December is cold.
Avg High
38.6°F
Avg Low
16.1°F
Precipitation
0.46 in
Daylight
9h 19m
December records in Olathe
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.0°F (1999) | 2.1°F (2006) | 0.52 in (2007) |
| December 2 | 61.0°F (2012) | -3.8°F (2006) | 0.16 in (2005) |
| December 3 | 63.0°F (2017) | -3.8°F (2006) | 0.10 in (1999) |
| December 4 | 61.0°F (1998) | -1.8°F (2006) | 0.66 in (2013) |
| December 5 | 54.0°F (2010) | -8.9°F (2013) | 0.13 in (2004) |
| December 6 | 51.1°F (2012) | -3.8°F (2013) | 0.28 in (2022) |
| December 7 | 57.0°F (2003) | 1.9°F (2005) | 0.17 in (2007) |
| December 8 | 53.1°F (2012) | -5.8°F (2013) | 0.28 in (2008) |
| December 9 | 50.0°F (1996) | -7.8°F (2009) | 0.22 in (2021) |
| December 10 | 55.9°F (2015) | -9.8°F (2009) | 0.07 in (2021) |
| December 11 | 55.0°F (2015) | -5.8°F (2009) | 0.19 in (2000) |
| December 12 | 55.0°F (2014) | -0.8°F (2013) | 0.16 in (2015) |
| December 13 | 57.0°F (2014) | 1.2°F (2013) | 0.15 in (2000) |
| December 14 | 55.0°F (2021) | 1.9°F (1999) | 0.58 in (2011) |
| December 15 | 57.9°F (2002) | -1.8°F (2008) | 0.07 in (2008) |
| December 16 | 53.1°F (2002) | 1.0°F (2003) | 0.24 in (2016) |
| December 17 | 55.0°F (2025) | 3.0°F (1996) | 0.17 in (2002) |
| December 18 | 50.0°F (1998) | 1.0°F (1996) | 0.08 in (2020) |
| December 19 | 57.0°F (2025) | 1.2°F (2016) | 0.20 in (2012) |
| December 20 | 54.0°F (2010) | -4.9°F (2012) | 0.04 in (2013) |
| December 21 | 60.1°F (2025) | -11.0°F (1998) | 0.10 in (1998) |
| December 22 | 66.0°F (2025) | -13.0°F (1998) | 0.14 in (2011) |
| December 23 | 61.0°F (2025) | -9.9°F (1998) | 0.12 in (2008) |
| December 24 | 63.0°F (2025) | -11.0°F (1998) | 0.10 in (2016) |
| December 25 | 61.0°F (2025) | -2.9°F (1998) | 0.17 in (2015) |
| December 26 | 59.0°F (2005) | -5.8°F (2015) | 0.31 in (2018) |
| December 27 | 53.1°F (2025) | -9.8°F (2015) | 0.09 in (2008) |
| December 28 | 52.0°F (2004) | -8.9°F (2007) | 0.36 in (2020) |
| December 29 | 59.0°F (2024) | -0.8°F (2012) | 0.18 in (2004) |
| December 30 | 50.0°F (2017) | 1.2°F (2012) | 0.28 in (2001) |
| December 31 | 53.1°F (1996) | -1.8°F (2014) | 0.21 in (2021) |