December weather in Lyman, NE
The average temperature in Lyman in December is 28.3°F (15.4°F–41.3°F). Average precipitation: 0.23 inches.
December is a winter month in Lyman, and is cooler than the annual average of 49.1°F. Daily temperatures swing about 25.9°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 8h 58m. For travel, December is cold.
Avg High
41.3°F
Avg Low
15.4°F
Precipitation
0.23 in
Daylight
8h 58m
December records in Lyman
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 71.1°F (2021) | 3.0°F (2025) | 0.06 in (2005) |
| December 2 | 73.9°F (2021) | 0.1°F (2007) | 0.02 in (2008) |
| December 3 | 64.9°F (2024) | -3.8°F (2006) | 0.29 in (2013) |
| December 4 | 62.1°F (1998) | -6.9°F (2009) | 0.05 in (2013) |
| December 5 | 66.9°F (2012) | -16.8°F (2013) | 0.04 in (2016) |
| December 6 | 70.0°F (2023) | -8.0°F (2005) | 0.10 in (2009) |
| December 7 | 63.0°F (2003) | -18.9°F (2005) | 0.34 in (2007) |
| December 8 | 64.9°F (2020) | -18.0°F (2005) | 0.30 in (2003) |
| December 9 | 68.0°F (2020) | -20.7°F (2009) | 0.06 in (2007) |
| December 10 | 60.1°F (2017) | -20.7°F (2009) | 0.03 in (2010) |
| December 11 | 64.9°F (2025) | -14.1°F (2000) | 0.04 in (2020) |
| December 12 | 64.9°F (2017) | -9.8°F (2007) | 0.02 in (2015) |
| December 13 | 59.0°F (1998) | -4.9°F (2016) | 0.02 in (2022) |
| December 14 | 63.0°F (1998) | -12.8°F (2008) | 0.04 in (2016) |
| December 15 | 66.9°F (2006) | -18.8°F (2008) | 0.35 in (2015) |
| December 16 | 66.0°F (2025) | -4.9°F (2008) | 0.17 in (2016) |
| December 17 | 66.0°F (2025) | -22.9°F (2016) | 0.06 in (1999) |
| December 18 | 62.1°F (2013) | -26.9°F (2016) | 0.09 in (1998) |
| December 19 | 66.0°F (2025) | -14.1°F (1998) | 0.05 in (2010) |
| December 20 | 66.9°F (2017) | -26.0°F (1998) | 0.04 in (2006) |
| December 21 | 64.0°F (2024) | -27.0°F (1998) | 0.18 in (2011) |
| December 22 | 73.9°F (2025) | -23.1°F (1998) | 0.04 in (2013) |
| December 23 | 66.0°F (2025) | -22.0°F (1998) | 0.03 in (2009) |
| December 24 | 71.1°F (2025) | -22.0°F (1998) | 0.10 in (2007) |
| December 25 | 70.0°F (2025) | -7.8°F (2012) | 0.27 in (2016) |
| December 26 | 66.9°F (2025) | -14.8°F (2017) | 0.12 in (2015) |
| December 27 | 59.0°F (2022) | -14.8°F (2017) | 0.04 in (2007) |
| December 28 | 63.0°F (1999) | -5.8°F (2007) | 0.09 in (2006) |
| December 29 | 60.1°F (1999) | -3.8°F (2015) | 0.01 in (2006) |
| December 30 | 60.1°F (2011) | -3.8°F (2015) | 0.07 in (2010) |
| December 31 | 62.1°F (2025) | -26.9°F (2014) | 0.03 in (2002) |