December weather in Marengo, IN
The average temperature in Marengo in December is 37.3°F (27.9°F–46.8°F). Average precipitation: 4.31 inches.
December is a winter month in Marengo, and is cooler than the annual average of 56.3°F. Daily temperatures swing about 18.9°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 20m. For travel, December is cool.
Avg High
46.8°F
Avg Low
27.9°F
Precipitation
4.31 in
Daylight
9h 20m
December records in Marengo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (1982) | 14.0°F (1999) | 1.86 in (1996) |
| December 2 | 75.9°F (1982) | 12.9°F (1988) | 1.17 in (1991) |
| December 3 | 75.9°F (1982) | 9.0°F (1979) | 1.25 in (1978) |
| December 4 | 73.9°F (1982) | 12.0°F (1991) | 1.45 in (1993) |
| December 5 | 73.9°F (2001) | 8.1°F (1974) | 1.25 in (1977) |
| December 6 | 73.9°F (1998) | 5.0°F (1977) | 0.78 in (1972) |
| December 7 | 70.0°F (1998) | -8.0°F (1984) | 1.12 in (1969) |
| December 8 | 68.0°F (1991) | 12.9°F (1977) | 2.08 in (1972) |
| December 9 | 66.0°F (1971) | 1.9°F (1995) | 1.61 in (1994) |
| December 10 | 66.0°F (1971) | -7.1°F (1995) | 1.51 in (1999) |
| December 11 | 68.0°F (1996) | 3.9°F (1977) | 1.05 in (2000) |
| December 12 | 66.9°F (1996) | 6.1°F (1988) | 0.85 in (1999) |
| December 13 | 66.0°F (1975) | 3.0°F (1989) | 0.92 in (2002) |
| December 14 | 71.1°F (1975) | 1.9°F (1985) | 1.25 in (1977) |
| December 15 | 73.9°F (1984) | 5.0°F (1989) | 1.42 in (1982) |
| December 16 | 70.0°F (1984) | -17.0°F (1989) | 1.77 in (2001) |
| December 17 | 70.0°F (1984) | -11.0°F (1989) | 1.88 in (2001) |
| December 18 | 64.9°F (1984) | -5.1°F (1989) | 2.49 in (1990) |
| December 19 | 63.0°F (1976) | -4.0°F (1981) | 1.19 in (2002) |
| December 20 | 64.0°F (1978) | -7.1°F (1981) | 1.02 in (1973) |
| December 21 | 62.1°F (1978) | -6.0°F (1985) | 2.65 in (1984) |
| December 22 | 60.1°F (1994) | -20.9°F (1989) | 0.83 in (1998) |
| December 23 | 64.0°F (1974) | -20.0°F (1989) | 0.75 in (1990) |
| December 24 | 68.0°F (1982) | -17.0°F (1989) | 1.22 in (1996) |
| December 25 | 64.0°F (1971) | -15.0°F (2004) | 1.92 in (1987) |
| December 26 | 68.0°F (1982) | -0.9°F (1983) | 1.07 in (1975) |
| December 27 | 68.0°F (1971) | 1.0°F (2004) | 2.10 in (1982) |
| December 28 | 68.0°F (1984) | 1.0°F (1977) | 1.75 in (1988) |
| December 29 | 69.1°F (1984) | 0.0°F (1983) | 0.63 in (1989) |
| December 30 | 66.9°F (1984) | -11.0°F (1983) | 1.05 in (1971) |
| December 31 | 63.0°F (1992) | -7.1°F (1983) | 1.10 in (1990) |