December weather in West Lafayette, IN
The average temperature in West Lafayette in December is °F (°F–°F). Average precipitation: 4.07 inches.
December is a winter month in West Lafayette, and is cooler than the annual average of 0°F. Daylight averages about 9h 7m.
Avg High
°F
Avg Low
°F
Precipitation
4.07 in
Daylight
9h 7m
December records in West Lafayette
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 59.0°F (2012) | 19.9°F (2011) | 0.34 in (2019) |
| December 2 | 64.9°F (2012) | 25.0°F (2011) | 0.19 in (2025) |
| December 3 | 64.0°F (2012) | 32.0°F (2011) | 0.71 in (2018) |
| December 4 | 71.1°F (2012) | 41.0°F (2011) | 0.44 in (2011) |
| December 5 | 61.0°F (2012) | 33.1°F (2012) | 0.41 in (2011) |
| December 6 | 61.0°F (2012) | 30.0°F (2012) | 0.45 in (2014) |
| December 7 | 50.0°F (2012) | 21.9°F (2011) | 0.03 in (2012) |
| December 8 | 50.0°F (2012) | 23.0°F (2011) | 0.23 in (2012) |
| December 9 | 45.0°F (2012) | 24.1°F (2011) | 0.40 in (2013) |
| December 10 | 50.0°F (2012) | 12.9°F (2011) | 0.23 in (2012) |
| December 11 | 35.1°F (2012) | 12.9°F (2011) | 0.07 in (2025) |
| December 12 | 37.9°F (2012) | 21.0°F (2011) | 0.69 in (2020) |
| December 13 | 48.0°F (2012) | 21.0°F (2011) | 0.20 in (2020) |
| December 14 | 51.1°F (2012) | 21.0°F (2012) | 2.20 in (2013) |
| December 15 | 57.9°F (2011) | 12.0°F (2012) | 5.10 in (2013) |
| December 16 | 57.0°F (2011) | 28.0°F (2011) | 3.50 in (2019) |
| December 17 | 52.0°F (2011) | 26.1°F (2011) | 0.46 in (2023) |
| December 18 | 42.1°F (2012) | 25.0°F (2011) | 0.14 in (2016) |
| December 19 | 48.0°F (2011) | 25.0°F (2011) | 0.25 in (2025) |
| December 20 | 45.0°F (2012) | 36.0°F (2011) | 0.78 in (2012) |
| December 21 | 68.0°F (2011) | 28.0°F (2012) | 0.61 in (2015) |
| December 22 | 50.0°F (2011) | 17.1°F (2012) | 1.21 in (2013) |
| December 23 | 39.9°F (2011) | 15.1°F (2012) | 0.67 in (2023) |
| December 24 | 43.0°F (2012) | 15.1°F (2012) | 0.86 in (2015) |
| December 25 | 42.1°F (2011) | 26.1°F (2011) | 0.41 in (2014) |
| December 26 | 48.9°F (2011) | 26.1°F (2011) | 0.18 in (2023) |
| December 27 | 50.0°F (2011) | 26.1°F (2011) | 2.30 in (2015) |
| December 28 | 41.0°F (2011) | 27.0°F (2011) | 0.35 in (2018) |
| December 29 | 39.9°F (2011) | 27.0°F (2011) | 2.17 in (2015) |
| December 30 | 50.0°F (2011) | 15.1°F (2012) | 1.03 in (2019) |
| December 31 | 48.0°F (2012) | 12.9°F (2012) | 0.68 in (2022) |