December weather in Pecatonica, IL
The average temperature in Pecatonica in December is °F (°F–°F). Average precipitation: 2.29 inches.
December is a winter month in Pecatonica, and is cooler than the annual average of 0°F. Daylight averages about 8h 55m.
Avg High
°F
Avg Low
°F
Precipitation
2.29 in
Daylight
8h 55m
December records in Pecatonica
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | — | — | 1.75 in (2018) |
| December 2 | — | — | 0.52 in (1978) |
| December 3 | — | — | 0.22 in (1987) |
| December 4 | — | — | 1.09 in (1973) |
| December 5 | — | — | 1.88 in (2011) |
| December 6 | — | — | 0.35 in (2004) |
| December 7 | — | — | 0.78 in (1994) |
| December 8 | — | — | 1.30 in (1966) |
| December 9 | — | — | 0.63 in (1987) |
| December 10 | — | — | 1.62 in (2003) |
| December 11 | — | — | 0.85 in (2021) |
| December 12 | — | — | 1.70 in (2000) |
| December 13 | — | — | 0.60 in (2001) |
| December 14 | — | — | 0.54 in (2011) |
| December 15 | — | — | 1.87 in (1971) |
| December 16 | — | — | 0.30 in (2011) |
| December 17 | — | — | 0.36 in (2001) |
| December 18 | — | — | 0.60 in (1993) |
| December 19 | — | — | 1.13 in (1968) |
| December 20 | — | — | 1.03 in (1987) |
| December 21 | — | — | 1.27 in (2012) |
| December 22 | — | — | 0.28 in (2006) |
| December 23 | — | — | 0.82 in (2015) |
| December 24 | — | — | 0.86 in (1965) |
| December 25 | — | — | 1.75 in (2009) |
| December 26 | — | — | 1.65 in (2016) |
| December 27 | — | — | 1.29 in (1988) |
| December 28 | — | — | 0.90 in (1987) |
| December 29 | — | — | 1.30 in (2015) |
| December 30 | — | — | 0.75 in (1992) |
| December 31 | — | — | 0.75 in (1992) |