December weather in Lake Bluff, IL
The average temperature in Lake Bluff in December is 28.6°F (21.7°F–35.5°F). Average precipitation: inches.
December is a winter month in Lake Bluff, and is cooler than the annual average of 48.4°F. Daily temperatures swing about 13.8°F between overnight low and afternoon high. Daylight averages about 8h 55m. For travel, December is cold.
Avg High
35.5°F
Avg Low
21.7°F
Precipitation
in
Daylight
8h 55m
December records in Lake Bluff
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 61.0°F (1970) | 3.0°F (1976) | 0.52 in (1977) |
| December 2 | 64.0°F (1962) | 0.0°F (1976) | 0.89 in (1982) |
| December 3 | 64.9°F (1982) | -2.9°F (1976) | 2.44 in (1982) |
| December 4 | 66.0°F (1998) | 3.9°F (1977) | 0.81 in (1925) |
| December 5 | 64.0°F (1998) | 3.0°F (1991) | 1.50 in (1973) |
| December 6 | 69.1°F (2001) | 1.0°F (1964) | 0.62 in (1950) |
| December 7 | 62.1°F (1951) | -4.0°F (1972) | 1.17 in (1998) |
| December 8 | 59.0°F (1966) | -2.9°F (1972) | 0.60 in (1980) |
| December 9 | 59.0°F (1952) | -13.0°F (1958) | 0.52 in (1953) |
| December 10 | 53.1°F (1999) | -9.0°F (1978) | 0.57 in (1971) |
| December 11 | 60.1°F (1949) | -11.9°F (1977) | 1.19 in (1971) |
| December 12 | 57.0°F (1949) | -8.0°F (1962) | 1.14 in (1946) |
| December 13 | 60.1°F (1991) | -6.0°F (2000) | 1.38 in (1928) |
| December 14 | 61.0°F (1975) | -9.9°F (1985) | 0.68 in (1973) |
| December 15 | 59.0°F (1975) | -11.9°F (1989) | 1.62 in (1971) |
| December 16 | 60.1°F (1971) | -13.0°F (1951) | 0.49 in (1982) |
| December 17 | 53.1°F (1962) | -9.9°F (1951) | 0.74 in (1928) |
| December 18 | 53.1°F (1957) | -9.0°F (1985) | 0.67 in (1957) |
| December 19 | 54.0°F (1957) | -16.1°F (1983) | 1.05 in (1987) |
| December 20 | 57.0°F (1949) | -14.1°F (1989) | 0.96 in (1952) |
| December 21 | 57.9°F (1967) | -16.1°F (1989) | 1.30 in (1949) |
| December 22 | 55.0°F (1957) | -13.0°F (1989) | 0.73 in (1968) |
| December 23 | 53.1°F (1957) | -16.1°F (1983) | 0.82 in (1932) |
| December 24 | 57.9°F (1982) | -23.1°F (1983) | 1.16 in (1965) |
| December 25 | 59.0°F (1982) | -14.1°F (1983) | 1.75 in (1975) |
| December 26 | 51.1°F (1994) | -11.0°F (1985) | 0.78 in (1936) |
| December 27 | 61.0°F (1982) | -11.9°F (1950) | 1.16 in (1954) |
| December 28 | 64.9°F (1984) | -8.0°F (1961) | 0.93 in (1990) |
| December 29 | 50.0°F (1982) | -6.0°F (1983) | 0.55 in (1954) |
| December 30 | 52.0°F (1965) | -7.1°F (1963) | 1.21 in (1936) |
| December 31 | 57.9°F (1965) | -11.9°F (1968) | 0.89 in (1931) |