December weather in Shamrock Lakes, IN
The average temperature in Shamrock Lakes in December is 31.3°F (24.5°F–38.1°F). Average precipitation: 2.67 inches. Average snowfall is 7.2 inches.
December is a winter month in Shamrock Lakes, and is cooler than the annual average of 51.3°F. Daily temperatures swing about 13.6°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 9h 8m. For travel, December is cold.
Avg High
38.1°F
Avg Low
24.5°F
Precipitation
2.67 in
Snow
7.2 in
December records in Shamrock Lakes
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.0°F (1962) | 6.1°F (1964) | 1.85 in (2006) |
| December 2 | 66.9°F (1970) | 3.9°F (1966) | 0.74 in (2018) |
| December 3 | 71.1°F (1982) | -2.0°F (1966) | 2.02 in (1967) |
| December 4 | 66.0°F (1998) | -2.0°F (1966) | 0.73 in (1982) |
| December 5 | 68.0°F (2001) | -2.0°F (2025) | 0.91 in (2011) |
| December 6 | 71.1°F (1998) | 0.0°F (2005) | 0.90 in (1956) |
| December 7 | 66.0°F (1998) | -6.0°F (1977) | 0.80 in (1971) |
| December 8 | 63.0°F (1966) | -5.1°F (1977) | 0.95 in (1966) |
| December 9 | 63.0°F (1966) | -4.0°F (1995) | 1.09 in (1966) |
| December 10 | 63.0°F (2023) | -6.0°F (1977) | 1.10 in (1966) |
| December 11 | 64.9°F (1971) | -6.0°F (1977) | 1.22 in (1985) |
| December 12 | 63.0°F (2015) | -9.9°F (1962) | 1.06 in (1983) |
| December 13 | 70.0°F (2015) | -9.0°F (1962) | 0.65 in (1972) |
| December 14 | 64.9°F (2015) | -13.0°F (2025) | 0.94 in (1999) |
| December 15 | 66.0°F (1975) | -11.9°F (2025) | 1.61 in (1987) |
| December 16 | 77.0°F (1995) | -8.0°F (1989) | 0.66 in (2007) |
| December 17 | 61.0°F (1984) | -15.0°F (1989) | 1.06 in (2001) |
| December 18 | 57.9°F (1984) | -7.1°F (1985) | 1.16 in (1957) |
| December 19 | 55.0°F (1967) | -11.0°F (1963) | 1.39 in (2008) |
| December 20 | 55.0°F (1976) | -13.0°F (1963) | 0.76 in (1973) |
| December 21 | 62.1°F (1988) | -14.1°F (1963) | 1.21 in (1949) |
| December 22 | 63.0°F (1967) | -22.0°F (1989) | 2.07 in (2013) |
| December 23 | 57.9°F (2015) | -22.0°F (1989) | 1.35 in (1981) |
| December 24 | 64.0°F (2015) | -18.0°F (1983) | 1.03 in (2015) |
| December 25 | 61.0°F (1982) | -18.0°F (1983) | 0.97 in (1964) |
| December 26 | 62.1°F (1982) | -9.0°F (1983) | 1.04 in (1982) |
| December 27 | 64.0°F (2019) | -9.9°F (1962) | 2.49 in (2015) |
| December 28 | 66.0°F (2008) | -7.1°F (2017) | 1.27 in (1968) |
| December 29 | 66.9°F (2025) | -7.1°F (1983) | 1.23 in (2005) |
| December 30 | 62.1°F (1984) | -15.0°F (1983) | 0.90 in (1971) |
| December 31 | 63.0°F (1965) | -14.1°F (1976) | 1.05 in (2022) |