January weather in Martinsville, IL
The average temperature in Martinsville in January is 28.4°F (19.3°F–37.5°F). Average precipitation: 3.25 inches. Average snowfall is 5.0 inches.
January is a winter month in Martinsville, and is cooler than the annual average of 54.1°F. Daily temperatures swing about 18.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 31m. For travel, January is cold.
Avg High
37.5°F
Avg Low
19.3°F
Precipitation
3.25 in
Snow
5.0 in
January records in Martinsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 61.0°F (2022) | -8.0°F (2018) | 2.57 in (1948) |
| January 2 | 62.1°F (1897) | -7.1°F (2018) | 1.73 in (2005) |
| January 3 | 80.1°F (1907) | -9.0°F (1904) | 3.50 in (1950) |
| January 4 | 62.1°F (2023) | -0.9°F (2018) | 2.16 in (1950) |
| January 5 | 53.1°F (1907) | 0.0°F (1904) | 1.88 in (1917) |
| January 6 | 60.1°F (1907) | -9.0°F (1893) | 0.85 in (2014) |
| January 7 | 62.1°F (1907) | -6.0°F (2018) | 1.22 in (1930) |
| January 8 | 62.1°F (1989) | -4.0°F (2015) | 0.93 in (2008) |
| January 9 | 66.0°F (2026) | -2.0°F (1982) | 1.03 in (1898) |
| January 10 | 55.0°F (2020) | -17.0°F (1982) | 1.50 in (2020) |
| January 11 | 61.0°F (2020) | -8.0°F (1982) | 2.45 in (2020) |
| January 12 | 69.1°F (1898) | -9.0°F (1895) | 1.81 in (2007) |
| January 13 | 62.1°F (2017) | -8.0°F (1893) | 2.05 in (2013) |
| January 14 | 55.9°F (1901) | -11.0°F (1895) | 1.71 in (1937) |
| January 15 | 60.1°F (1901) | -15.0°F (1893) | 1.71 in (1950) |
| January 16 | 64.9°F (1894) | -11.9°F (1982) | 0.78 in (1897) |
| January 17 | 66.0°F (1990) | -16.1°F (1893) | 1.50 in (1907) |
| January 18 | 64.0°F (1990) | -5.1°F (1982) | 2.64 in (1949) |
| January 19 | 64.9°F (1907) | -11.9°F (1984) | 1.35 in (1987) |
| January 20 | 71.1°F (1906) | -20.9°F (1985) | 2.05 in (1913) |
| January 21 | 63.0°F (1906) | -15.0°F (1984) | 1.50 in (1906) |
| January 22 | 66.0°F (2017) | -9.0°F (2025) | 2.62 in (1999) |
| January 23 | 72.0°F (1909) | -6.0°F (2025) | 1.36 in (2019) |
| January 24 | 64.0°F (1909) | -2.9°F (1894) | 0.89 in (1928) |
| January 25 | 64.9°F (1909) | -8.0°F (1897) | 0.70 in (1904) |
| January 26 | 55.9°F (1989) | -9.0°F (2026) | 1.20 in (1950) |
| January 27 | 57.0°F (2018) | -22.0°F (1904) | 1.00 in (1911) |
| January 28 | 55.0°F (1906) | -9.0°F (2026) | 0.95 in (2006) |
| January 29 | 57.0°F (2018) | -9.9°F (2026) | 1.27 in (1939) |
| January 30 | 55.0°F (1988) | -8.0°F (2019) | 2.15 in (1982) |
| January 31 | 62.1°F (2016) | -8.0°F (2019) | 4.75 in (1916) |