Casco Weather in January
Average highs run from 29°F on January 1 to 27°F on January 31, and lows from 13°F to 10°F. Normal precipitation for the month is 3.11 in over about 10 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 27°F
- Average low
- 11°F
- Precipitation
- 3.11 in
- Snowfall
- 18.0 in
- Record high
- 64°FJan 4, 1950
- Record low
- -28°FJan 19, 1925
- Chance of a freeze
- 100%
- Daylight
- 8 h 58 min to 9 h 51 min
- Cloud cover
- 69%
- Humidity
- 92%
- Dew point
- 15°F
- Wind
- 6.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 29°F | 13°F | 54°F 1966 | -13°F 1957 | 36% | 27% |
| Jan 2 | 29°F | 13°F | 51°F 1979 | -19°F 1899 | 36% | 27% |
| Jan 3 | 29°F | 13°F | 56°F 1998 | -21°F 1904 | 36% | 27% |
| Jan 4 | 29°F | 13°F | 64°F 1950 | -26°F 1904 | 36% | 27% |
| Jan 5 | 28°F | 12°F | 60°F 1993 | -14°F 1904 | 35% | 27% |
| Jan 6 | 28°F | 12°F | 57°F 1909 | -17°F 1904 | 35% | 27% |
| Jan 7 | 28°F | 12°F | 53°F 1915 | -14°F 1912 | 35% | 27% |
| Jan 8 | 28°F | 12°F | 48°F 1908 | -14°F 1912 | 35% | 28% |
| Jan 9 | 28°F | 11°F | 51°F 1978 | -13°F 1976 | 35% | 28% |
| Jan 10 | 28°F | 11°F | 52°F 1972 | -11°F 1903 | 34% | 28% |
| Jan 11 | 27°F | 11°F | 54°F 1983 | -17°F 1976 | 34% | 28% |
| Jan 12 | 27°F | 11°F | 53°F 1980 | -18°F 1981 | 34% | 28% |
| Jan 13 | 27°F | 11°F | 56°F 1932 | -14°F 1914 | 34% | 28% |
| Jan 14 | 27°F | 10°F | 60°F 1932 | -20°F 1957 | 34% | 28% |
| Jan 15 | 27°F | 10°F | 55°F 1995 | -22°F 1905 | 33% | 28% |
| Jan 16 | 27°F | 10°F | 54°F 1995 | -15°F 1929 | 33% | 28% |
| Jan 17 | 27°F | 10°F | 52°F 1933 | -21°F 1957 | 33% | 28% |
| Jan 18 | 27°F | 10°F | 59°F 1990 | -26°F 1957 | 33% | 28% |
| Jan 19 | 27°F | 10°F | 56°F 1900 | -28°F 1925 | 32% | 28% |
| Jan 20 | 27°F | 10°F | 47°F 1907 | -28°F 1994 | 32% | 28% |
| Jan 21 | 27°F | 10°F | 56°F 1906 | -22°F 1994 | 32% | 27% |
| Jan 22 | 27°F | 10°F | 56°F 1902 | -19°F 1961 | 31% | 27% |
| Jan 23 | 27°F | 10°F | 52°F 1957 | -15°F 1914 | 31% | 27% |
| Jan 24 | 27°F | 10°F | 50°F 1992 | -24°F 1907 | 31% | 27% |
| Jan 25 | 27°F | 10°F | 48°F 1938 | -14°F 1963 | 31% | 27% |
| Jan 26 | 27°F | 10°F | 59°F 1950 | -26°F 1920 | 31% | 27% |
| Jan 27 | 27°F | 10°F | 58°F 1974 | -25°F 1994 | 31% | 27% |
| Jan 28 | 27°F | 10°F | 54°F 1916 | -25°F 1935 | 31% | 26% |
| Jan 29 | 27°F | 10°F | 45°F 1927 | -27°F 1925 | 31% | 26% |
| Jan 30 | 27°F | 10°F | 49°F 1914 | -23°F 1898 | 31% | 26% |
| Jan 31 | 27°F | 10°F | 54°F 1988 | -21°F 1935 | 31% | 26% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:17 AM, sunset 4:15 PM
- January 31
- sunrise 7:00 AM, sunset 4:51 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00176856 (Poland), public domain. Records: NOAA GHCN-Daily, station USC00174566, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.