February weather in New Boston, IL
The average temperature in New Boston in February is 27.5°F (19.0°F–36.0°F). Average precipitation: 1.72 inches.
February is a winter month in New Boston, and is cooler than the annual average of 51.2°F. Daily temperatures swing about 17°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 10h 25m. For travel, February is cold.
Avg High
36.0°F
Avg Low
19.0°F
Precipitation
1.72 in
Daylight
10h 25m
February records in New Boston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| February 1 | 59.0°F (2012) | -25.1°F (2019) | 1.00 in (2025) |
| February 2 | 54.0°F (2024) | -5.1°F (2001) | 0.60 in (1983) |
| February 3 | 57.9°F (2025) | -18.0°F (2014) | 0.92 in (2016) |
| February 4 | 57.9°F (2025) | -18.0°F (2014) | 0.60 in (1989) |
| February 5 | 62.1°F (1946) | -6.0°F (2007) | 0.57 in (1971) |
| February 6 | 59.0°F (1946) | -7.1°F (2014) | 0.88 in (2008) |
| February 7 | 55.9°F (2009) | -9.0°F (2014) | 0.33 in (2013) |
| February 8 | 57.9°F (2009) | -9.0°F (2021) | 0.38 in (1950) |
| February 9 | 66.9°F (2024) | -7.1°F (2021) | 1.85 in (2001) |
| February 10 | 61.0°F (2009) | -11.0°F (2014) | 1.42 in (2023) |
| February 11 | 62.1°F (2009) | -18.9°F (2014) | 0.28 in (1985) |
| February 12 | 66.0°F (1999) | -18.0°F (2014) | 0.59 in (1999) |
| February 13 | 55.0°F (2023) | -2.9°F (2018) | 1.30 in (1949) |
| February 14 | 57.0°F (2026) | -5.1°F (2021) | 0.40 in (1952) |
| February 15 | 59.0°F (2006) | -7.1°F (2020) | 1.30 in (1990) |
| February 16 | 64.0°F (2026) | -6.0°F (2007) | 1.04 in (1954) |
| February 17 | 66.9°F (2026) | -14.1°F (2021) | 0.97 in (1975) |
| February 18 | 72.0°F (2017) | -15.0°F (2021) | 0.70 in (1962) |
| February 19 | 66.0°F (2017) | -6.0°F (2006) | 0.75 in (1955) |
| February 20 | 68.0°F (2017) | -0.9°F (2015) | 1.24 in (1953) |
| February 21 | 70.0°F (2017) | -0.9°F (2025) | 1.95 in (1997) |
| February 22 | 68.0°F (2017) | 3.9°F (2025) | 1.09 in (1974) |
| February 23 | 70.0°F (2017) | -2.0°F (2015) | 1.00 in (1981) |
| February 24 | 60.1°F (2020) | -2.9°F (2015) | 1.05 in (1975) |
| February 25 | 66.0°F (2002) | -4.0°F (1940) | 1.31 in (2007) |
| February 26 | 73.0°F (2024) | -2.9°F (2003) | 1.21 in (2000) |
| February 27 | 73.9°F (2024) | -9.0°F (2015) | 1.38 in (2009) |
| February 28 | 75.0°F (2024) | -15.0°F (2015) | 0.98 in (1948) |
| February 29 | 64.0°F (2016) | 14.0°F (2024) | 0.25 in (2012) |