December weather in Speedway, IN
The average temperature in Speedway in December is 33.5°F (26.2°F–40.8°F). Average precipitation: 2.67 inches.
December is a winter month in Speedway, and is cooler than the annual average of 53.7°F. Daily temperatures swing about 14.6°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 9h 12m. For travel, December is cold.
Avg High
40.8°F
Avg Low
26.2°F
Precipitation
2.67 in
Daylight
9h 12m
December records in Speedway
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (2012) | 16.0°F (2025) | 0.80 in (2018) |
| December 2 | 62.1°F (1998) | 14.0°F (2005) | 0.72 in (2007) |
| December 3 | 69.1°F (2012) | 16.0°F (2002) | 0.11 in (2005) |
| December 4 | 69.1°F (1998) | 11.1°F (2006) | 0.48 in (2011) |
| December 5 | 70.0°F (2001) | 12.0°F (2005) | 0.93 in (2014) |
| December 6 | 73.0°F (1998) | 7.2°F (2010) | 0.30 in (1998) |
| December 7 | 61.0°F (2004) | 6.1°F (2005) | 0.68 in (2004) |
| December 8 | 60.1°F (2024) | 6.3°F (2010) | 0.78 in (2009) |
| December 9 | 64.9°F (2008) | 8.2°F (2010) | 1.31 in (2008) |
| December 10 | 62.1°F (2021) | 9.1°F (2013) | 0.62 in (1999) |
| December 11 | 68.0°F (2021) | 9.1°F (2013) | 1.01 in (2000) |
| December 12 | 69.1°F (2015) | 2.1°F (2013) | 1.02 in (2006) |
| December 13 | 63.0°F (2015) | 6.1°F (2025) | 0.74 in (2009) |
| December 14 | 66.0°F (2015) | -2.9°F (2025) | 1.08 in (2011) |
| December 15 | 64.9°F (2021) | -5.1°F (2025) | 0.49 in (2011) |
| December 16 | 63.0°F (2021) | 13.1°F (2009) | 1.11 in (2000) |
| December 17 | 61.0°F (2006) | 3.0°F (2000) | 0.83 in (2001) |
| December 18 | 57.9°F (2002) | 1.9°F (2000) | 1.03 in (2025) |
| December 19 | 55.0°F (1997) | -0.8°F (2016) | 1.34 in (2008) |
| December 20 | 60.1°F (2013) | 1.0°F (2000) | 0.45 in (2013) |
| December 21 | 54.0°F (2015) | 1.2°F (2008) | 2.31 in (2013) |
| December 22 | 55.9°F (2006) | -2.9°F (2000) | 0.40 in (2007) |
| December 23 | 64.0°F (2015) | -8.9°F (2022) | 1.35 in (2003) |
| December 24 | 63.0°F (2021) | -5.1°F (2004) | 0.49 in (2008) |
| December 25 | 63.0°F (2021) | -2.9°F (2000) | 1.13 in (2005) |
| December 26 | 66.0°F (2016) | 2.1°F (2017) | 0.80 in (2015) |
| December 27 | 68.0°F (2008) | -0.8°F (2017) | 1.76 in (2015) |
| December 28 | 66.0°F (2025) | 3.0°F (2000) | 1.08 in (2021) |
| December 29 | 62.1°F (2019) | 12.9°F (2000) | 1.43 in (2024) |
| December 30 | 57.0°F (2002) | 0.1°F (2017) | 1.12 in (2022) |
| December 31 | 61.0°F (2010) | 0.1°F (2017) | 1.27 in (2018) |