December weather in Heron Lake, MN
The average temperature in Heron Lake in December is 19.3°F (11.0°F–27.5°F). Average precipitation: 0.79 inches. Average snowfall is 10.2 inches.
December is a winter month in Heron Lake, and is cooler than the annual average of 44°F. Daily temperatures swing about 16.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 8h 45m. For travel, December is cold.
Avg High
27.5°F
Avg Low
11.0°F
Precipitation
0.79 in
Snow
10.2 in
December records in Heron Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 50.0°F (2017) | -4.0°F (2014) | 0.38 in (2015) |
| December 2 | 64.0°F (1998) | -11.9°F (2005) | 1.12 in (2018) |
| December 3 | 62.1°F (1998) | -13.0°F (2005) | 0.08 in (2003) |
| December 4 | 64.9°F (1998) | -11.9°F (2025) | 0.20 in (2010) |
| December 5 | 59.0°F (2001) | -15.0°F (2005) | 0.40 in (1948) |
| December 6 | 59.0°F (2001) | -18.0°F (2005) | 0.08 in (2012) |
| December 7 | 52.0°F (2023) | -17.0°F (2005) | 0.19 in (2025) |
| December 8 | 57.9°F (2023) | -17.0°F (2013) | 0.09 in (2025) |
| December 9 | 54.0°F (2024) | -11.0°F (2013) | 0.73 in (2022) |
| December 10 | 53.1°F (2006) | -13.0°F (2009) | 0.15 in (1949) |
| December 11 | 46.9°F (2006) | -13.0°F (2013) | 0.48 in (2021) |
| December 12 | 48.0°F (1998) | -18.0°F (2000) | 0.64 in (2010) |
| December 13 | 51.1°F (1998) | -18.0°F (2000) | 0.54 in (2022) |
| December 14 | 52.0°F (2014) | -13.0°F (2000) | 0.54 in (2022) |
| December 15 | 55.9°F (2002) | -14.1°F (2016) | 0.34 in (1996) |
| December 16 | 50.0°F (2021) | -13.0°F (2008) | 0.57 in (2023) |
| December 17 | 50.0°F (2006) | -11.0°F (2008) | 0.20 in (2016) |
| December 18 | 45.0°F (2001) | -27.9°F (2016) | 0.19 in (2002) |
| December 19 | 46.9°F (2011) | -27.9°F (2016) | 0.11 in (2008) |
| December 20 | 43.0°F (2023) | -18.0°F (1996) | 0.18 in (2008) |
| December 21 | 46.0°F (2023) | -13.0°F (2008) | 0.58 in (2006) |
| December 22 | 52.0°F (2020) | -18.0°F (2008) | 0.18 in (2006) |
| December 23 | 50.0°F (2023) | -18.9°F (2008) | 0.20 in (2001) |
| December 24 | 53.1°F (2023) | -18.0°F (2013) | 0.31 in (2020) |
| December 25 | 55.9°F (2023) | -16.1°F (2000) | 0.77 in (2023) |
| December 26 | 48.9°F (2023) | -18.0°F (2017) | 0.84 in (2023) |
| December 27 | 48.0°F (2011) | -17.0°F (2017) | 0.58 in (2018) |
| December 28 | 48.0°F (2003) | -13.0°F (2017) | 0.64 in (2018) |
| December 29 | 52.0°F (2002) | -13.0°F (2013) | 0.73 in (2019) |
| December 30 | 53.1°F (1999) | -15.0°F (2013) | 0.34 in (1949) |
| December 31 | 55.0°F (2004) | -20.9°F (2017) | 0.92 in (2006) |