January weather in Islandia, NY
The average temperature in Islandia in January is 31.9°F (24.6°F–39.2°F). Average precipitation: 3.66 inches. Average snowfall is 10.3 inches.
January is a winter month in Islandia, and is cooler than the annual average of 53.1°F. Daily temperatures swing about 14.6°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 23m. For travel, January is cold.
Avg High
39.2°F
Avg Low
24.6°F
Precipitation
3.66 in
Snow
10.3 in
January records in Islandia
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 63.0°F (1966) | 6.3°F (2018) | 1.38 in (2007) |
| January 2 | 57.9°F (2022) | 3.0°F (1968) | 1.63 in (1979) |
| January 3 | 63.0°F (2000) | 7.0°F (2001) | 3.61 in (1999) |
| January 4 | 64.9°F (2023) | 0.1°F (2014) | 2.05 in (1982) |
| January 5 | 63.0°F (1993) | 8.1°F (1968) | 0.80 in (1993) |
| January 6 | 68.0°F (2007) | 1.0°F (1968) | 0.84 in (1966) |
| January 7 | 61.0°F (2012) | 2.1°F (2018) | 1.56 in (2009) |
| January 8 | 59.0°F (1998) | -0.9°F (1968) | 1.95 in (2007) |
| January 9 | 64.0°F (2008) | -4.0°F (1968) | 1.25 in (2024) |
| January 10 | 60.1°F (2016) | 0.0°F (1968) | 1.72 in (2016) |
| January 11 | 60.1°F (1975) | 1.0°F (1988) | 0.87 in (2014) |
| January 12 | 68.0°F (2020) | -4.0°F (1981) | 1.43 in (1991) |
| January 13 | 60.1°F (1995) | 5.0°F (1981) | 1.67 in (1979) |
| January 14 | 66.9°F (1995) | -4.0°F (1988) | 1.33 in (2006) |
| January 15 | 66.0°F (1995) | -7.1°F (1988) | 1.76 in (1999) |
| January 16 | 60.1°F (1995) | 1.0°F (2004) | 1.09 in (1991) |
| January 17 | 55.0°F (1999) | -2.9°F (1965) | 1.48 in (2022) |
| January 18 | 60.1°F (1973) | -8.0°F (1965) | 0.84 in (1987) |
| January 19 | 55.9°F (1972) | 1.0°F (1994) | 1.06 in (2023) |
| January 20 | 55.9°F (2013) | 1.9°F (1994) | 1.93 in (1978) |
| January 21 | 57.9°F (1974) | -2.9°F (1984) | 2.92 in (1979) |
| January 22 | 55.0°F (1967) | -7.1°F (1984) | 1.62 in (1987) |
| January 23 | 57.9°F (2018) | -0.9°F (1970) | 2.20 in (1998) |
| January 24 | 66.0°F (1967) | 3.9°F (2011) | 1.61 in (1965) |
| January 25 | 57.0°F (2024) | 5.0°F (2004) | 1.32 in (1978) |
| January 26 | 57.9°F (1967) | 7.0°F (1991) | 0.98 in (1978) |
| January 27 | 66.0°F (1974) | 5.0°F (1994) | 1.44 in (2015) |
| January 28 | 61.0°F (2002) | 3.0°F (1977) | 1.17 in (1994) |
| January 29 | 69.1°F (2002) | 3.0°F (2005) | 1.25 in (1990) |
| January 30 | 62.1°F (2006) | 1.9°F (1965) | 0.72 in (2001) |
| January 31 | 57.0°F (2013) | 0.0°F (2026) | 0.37 in (1982) |