December weather in Toronto, IA
The average temperature in Toronto in December is 26.0°F (17.8°F–34.3°F). Average precipitation: 2.04 inches. Average snowfall is 9.1 inches.
December is a winter month in Toronto, and is cooler than the annual average of 49°F. Daily temperatures swing about 16.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 8h 58m. For travel, December is cold.
Avg High
34.3°F
Avg Low
17.8°F
Precipitation
2.04 in
Snow
9.1 in
December records in Toronto
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 59.0°F (2009) | 7.0°F (2014) | 1.43 in (2007) |
| December 2 | 63.0°F (2012) | 5.0°F (2025) | 0.31 in (2018) |
| December 3 | 68.0°F (2012) | 5.0°F (2025) | 1.10 in (2011) |
| December 4 | 64.9°F (2017) | -11.9°F (2025) | 0.48 in (2016) |
| December 5 | 53.1°F (2019) | -2.0°F (2008) | 0.61 in (2004) |
| December 6 | 51.1°F (2012) | -0.9°F (2008) | 0.84 in (1994) |
| December 7 | 57.9°F (2024) | -8.0°F (2025) | 0.44 in (2004) |
| December 8 | 60.1°F (2024) | -8.0°F (2025) | 0.69 in (2009) |
| December 9 | 55.9°F (2024) | -15.0°F (2013) | 0.90 in (2003) |
| December 10 | 59.0°F (2020) | -11.0°F (2013) | 0.70 in (2003) |
| December 11 | 48.9°F (2015) | -11.0°F (2013) | 1.14 in (2007) |
| December 12 | 55.0°F (2015) | -7.1°F (2013) | 0.66 in (2001) |
| December 13 | 63.0°F (2015) | -6.0°F (2010) | 1.51 in (2015) |
| December 14 | 60.1°F (2015) | -9.0°F (2025) | 0.64 in (2011) |
| December 15 | 73.9°F (2021) | -4.0°F (2016) | 1.33 in (1992) |
| December 16 | 54.0°F (2021) | -2.9°F (2009) | 0.25 in (2008) |
| December 17 | 45.0°F (2018) | -0.9°F (2008) | 0.25 in (1993) |
| December 18 | 50.0°F (2018) | -16.1°F (2016) | 0.84 in (2002) |
| December 19 | 50.0°F (2018) | -8.0°F (2010) | 0.48 in (2008) |
| December 20 | 50.0°F (2015) | -5.1°F (2008) | 1.39 in (2012) |
| December 21 | 50.0°F (2019) | -9.0°F (2008) | 0.81 in (2006) |
| December 22 | 54.0°F (2019) | -9.9°F (2022) | 0.61 in (2007) |
| December 23 | 59.0°F (2015) | -14.1°F (2013) | 0.55 in (2015) |
| December 24 | 57.0°F (2019) | -16.1°F (2013) | 0.95 in (2009) |
| December 25 | 62.1°F (2019) | -9.9°F (2008) | 0.60 in (2009) |
| December 26 | 50.0°F (2014) | -9.0°F (2017) | 0.27 in (2021) |
| December 27 | 51.1°F (2008) | -11.0°F (2017) | 0.69 in (2018) |
| December 28 | 55.0°F (2024) | 1.0°F (2017) | 1.16 in (2015) |
| December 29 | 63.0°F (2022) | -7.1°F (2013) | 1.24 in (2020) |
| December 30 | 45.0°F (2022) | -11.0°F (2013) | 0.50 in (2011) |
| December 31 | 48.0°F (2011) | -16.1°F (2017) | 0.56 in (2018) |