January weather in Sunbury, PA
The average temperature in Sunbury in January is 27.1°F (18.9°F–35.3°F). Average precipitation: 2.98 inches. Average snowfall is 7.6 inches.
January is a winter month in Sunbury, and is cooler than the annual average of 50.3°F. Daily temperatures swing about 16.4°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 23m. For travel, January is cold.
Avg High
35.3°F
Avg Low
18.9°F
Precipitation
2.98 in
Snow
7.6 in
January records in Sunbury
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 64.0°F (1973) | -6.0°F (2018) | 0.91 in (1938) |
| January 2 | 55.9°F (1966) | -9.9°F (1968) | 1.51 in (1948) |
| January 3 | 53.1°F (2019) | -6.0°F (1968) | 1.21 in (1960) |
| January 4 | 51.1°F (1964) | -5.1°F (2018) | 2.03 in (1944) |
| January 5 | 57.0°F (2023) | 3.0°F (2014) | 1.16 in (2004) |
| January 6 | 60.1°F (2007) | -2.9°F (2014) | 1.05 in (2005) |
| January 7 | 63.0°F (2007) | -5.1°F (2014) | 1.10 in (2002) |
| January 8 | 64.9°F (2008) | -5.1°F (2014) | 0.70 in (2007) |
| January 9 | 66.9°F (2008) | 1.0°F (1968) | 1.08 in (1953) |
| January 10 | 57.0°F (2008) | 1.0°F (1968) | 1.43 in (2024) |
| January 11 | 57.9°F (1975) | 3.9°F (1968) | 0.82 in (2008) |
| January 12 | 68.0°F (1975) | -13.0°F (1968) | 0.83 in (2012) |
| January 13 | 64.9°F (2018) | -13.0°F (1968) | 1.30 in (2018) |
| January 14 | 61.0°F (1972) | -2.0°F (1968) | 0.96 in (2005) |
| January 15 | 50.0°F (2013) | -11.0°F (1964) | 1.50 in (1958) |
| January 16 | 52.0°F (2007) | -11.0°F (1964) | 1.06 in (1962) |
| January 17 | 53.1°F (1974) | -9.9°F (2009) | 0.98 in (1945) |
| January 18 | 59.0°F (2006) | -2.9°F (2018) | 0.90 in (2006) |
| January 19 | 53.1°F (1973) | -4.0°F (2018) | 0.98 in (1936) |
| January 20 | 51.1°F (1972) | -5.1°F (1970) | 1.33 in (1936) |
| January 21 | 55.9°F (2006) | -14.1°F (1961) | 0.80 in (1964) |
| January 22 | 64.0°F (1959) | -15.0°F (1961) | 1.08 in (1958) |
| January 23 | 57.9°F (1967) | -11.0°F (2025) | 0.79 in (1973) |
| January 24 | 64.9°F (1967) | -9.9°F (1963) | 1.19 in (1951) |
| January 25 | 68.0°F (1967) | -9.9°F (1963) | 1.62 in (2010) |
| January 26 | 71.1°F (1967) | -4.0°F (1961) | 1.36 in (2010) |
| January 27 | 61.0°F (2024) | 1.9°F (1961) | 0.75 in (2012) |
| January 28 | 62.1°F (1974) | -5.1°F (1961) | 1.00 in (1967) |
| January 29 | 55.9°F (2006) | -13.0°F (1963) | 1.15 in (1943) |
| January 30 | 54.0°F (1975) | -11.9°F (1963) | 0.55 in (1939) |
| January 31 | 64.0°F (2013) | -2.9°F (2026) | 1.19 in (2013) |