December weather in Ephraim, WI
The average temperature in Ephraim in December is 25.8°F (19.0°F–32.5°F). Average precipitation: 1.70 inches. Average snowfall is 13.8 inches.
December is a winter month in Ephraim, and is cooler than the annual average of 44.7°F. Daily temperatures swing about 13.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 8h 34m. For travel, December is cold.
Avg High
32.5°F
Avg Low
19.0°F
Precipitation
1.70 in
Snow
13.8 in
December records in Ephraim
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 48.0°F (2017) | 8.1°F (2014) | 1.20 in (2019) |
| December 2 | 46.9°F (2012) | 1.0°F (2014) | 0.20 in (2018) |
| December 3 | 46.9°F (2012) | 10.9°F (2025) | 0.18 in (2011) |
| December 4 | 57.9°F (2012) | 9.0°F (2025) | 0.47 in (2011) |
| December 5 | 52.0°F (2017) | 8.1°F (2025) | 0.39 in (2017) |
| December 6 | 46.0°F (2015) | 6.1°F (2013) | 0.20 in (2021) |
| December 7 | 44.1°F (2015) | 3.9°F (2013) | 0.01 in (2008) |
| December 8 | 43.0°F (2023) | 1.9°F (2013) | 0.10 in (2014) |
| December 9 | 48.9°F (2023) | 1.0°F (2025) | 0.45 in (2009) |
| December 10 | 46.9°F (2020) | 1.0°F (2013) | 0.55 in (2023) |
| December 11 | 50.0°F (2020) | 0.0°F (2019) | 0.95 in (2021) |
| December 12 | 46.9°F (2011) | -2.0°F (2013) | 0.89 in (2010) |
| December 13 | 43.0°F (2015) | 1.9°F (2024) | 0.25 in (2019) |
| December 14 | 52.0°F (2015) | 7.0°F (2013) | 2.08 in (2015) |
| December 15 | 50.0°F (2015) | 1.0°F (2016) | 0.95 in (2022) |
| December 16 | 54.0°F (2021) | -2.0°F (2008) | 0.51 in (2012) |
| December 17 | 45.0°F (2023) | -2.0°F (2013) | 0.35 in (2016) |
| December 18 | 41.0°F (2023) | -2.0°F (2008) | 0.25 in (2016) |
| December 19 | 39.9°F (2011) | -2.9°F (2016) | 0.16 in (2025) |
| December 20 | 42.1°F (2018) | 3.0°F (2010) | 0.21 in (2024) |
| December 21 | 42.1°F (2015) | 3.0°F (2022) | 0.64 in (2012) |
| December 22 | 42.1°F (2019) | 3.0°F (2022) | 0.31 in (2010) |
| December 23 | 44.1°F (2019) | 3.0°F (2008) | 0.72 in (2014) |
| December 24 | 51.1°F (2015) | -2.9°F (2022) | 0.65 in (2015) |
| December 25 | 43.0°F (2023) | -2.0°F (2013) | 0.18 in (2008) |
| December 26 | 51.1°F (2023) | -6.0°F (2017) | 0.81 in (2009) |
| December 27 | 46.0°F (2016) | -7.1°F (2017) | 0.25 in (2021) |
| December 28 | 46.0°F (2018) | -9.0°F (2017) | 1.00 in (2018) |
| December 29 | 45.0°F (2018) | -5.1°F (2017) | 0.91 in (2015) |
| December 30 | 45.0°F (2022) | -11.0°F (2013) | 0.63 in (2019) |
| December 31 | 44.1°F (2010) | -8.0°F (2013) | 0.70 in (2019) |