Sligo Weather in January
Average highs run from 34°F on January 1 to 33°F on January 31, and lows from 18°F to 14°F. Normal precipitation for the month is 3.64 in over about 19 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
- 33°F
- Average low
- 16°F
- Precipitation
- 3.64 in
- Snowfall
- 12.4 in
- Record high
- 73°FJan 21, 1906
- Record low
- -30°FJan 5, 1904
- Chance of a freeze
- 100%
- Daylight
- 9 h 17 min to 10 h 04 min
- Cloud cover
- 79%
- Humidity
- 90%
- Dew point
- 22°F
- Wind
- 6.9 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 | 34°F | 18°F | 64°F 1973 | -5°F 1918 | 59% | 15% |
| Jan 2 | 34°F | 18°F | 59°F 1930 | -5°F 1968 | 59% | 16% |
| Jan 3 | 34°F | 18°F | 63°F 2000 | -21°F 1904 | 60% | 16% |
| Jan 4 | 34°F | 18°F | 63°F 1950 | -10°F 1918 | 60% | 16% |
| Jan 5 | 34°F | 17°F | 65°F 1950 | -30°F 1904 | 60% | 17% |
| Jan 6 | 34°F | 17°F | 61°F 1998 | -10°F 1904 | 60% | 17% |
| Jan 7 | 34°F | 17°F | 64°F 1907 | -11°F 2014 | 60% | 17% |
| Jan 8 | 34°F | 17°F | 62°F 2008 | -11°F 1910 | 60% | 17% |
| Jan 9 | 33°F | 17°F | 67°F 2008 | -7°F 1968 | 60% | 18% |
| Jan 10 | 33°F | 16°F | 63°F 2026 | -7°F 1910 | 60% | 18% |
| Jan 11 | 33°F | 16°F | 57°F 1950 | -13°F 1899 | 60% | 18% |
| Jan 12 | 33°F | 16°F | 66°F 2020 | -12°F 1981 | 59% | 18% |
| Jan 13 | 33°F | 16°F | 65°F 1898 | -30°F 1912 | 59% | 18% |
| Jan 14 | 33°F | 16°F | 69°F 2005 | -28°F 1912 | 59% | 18% |
| Jan 15 | 33°F | 15°F | 70°F 1932 | -9°F 1925 | 59% | 18% |
| Jan 16 | 33°F | 15°F | 64°F 1932 | -10°F 1994 | 59% | 19% |
| Jan 17 | 33°F | 15°F | 58°F 1949 | -17°F 1982 | 58% | 19% |
| Jan 18 | 33°F | 15°F | 60°F 1990 | -17°F 1982 | 58% | 19% |
| Jan 19 | 33°F | 15°F | 66°F 1929 | -23°F 1904 | 58% | 19% |
| Jan 20 | 33°F | 15°F | 64°F 1906 | -22°F 1994 | 58% | 19% |
| Jan 21 | 33°F | 14°F | 73°F 1906 | -24°F 1918 | 57% | 19% |
| Jan 22 | 33°F | 14°F | 71°F 1906 | -16°F 1984 | 57% | 19% |
| Jan 23 | 33°F | 14°F | 68°F 1933 | -15°F 1907 | 57% | 19% |
| Jan 24 | 33°F | 14°F | 63°F 1909 | -17°F 1963 | 57% | 19% |
| Jan 25 | 33°F | 14°F | 62°F 1950 | -13°F 1945 | 56% | 19% |
| Jan 26 | 33°F | 14°F | 73°F 1950 | -14°F 1945 | 56% | 19% |
| Jan 27 | 33°F | 14°F | 66°F 1916 | -18°F 1907 | 56% | 19% |
| Jan 28 | 33°F | 14°F | 58°F 2002 | -18°F 1925 | 56% | 19% |
| Jan 29 | 33°F | 14°F | 59°F 1944 | -23°F 1963 | 55% | 19% |
| Jan 30 | 33°F | 14°F | 63°F 2002 | -14°F 1966 | 55% | 18% |
| Jan 31 | 33°F | 14°F | 66°F 1916 | -18°F 1948 | 55% | 18% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:43 AM, sunset 5:00 PM
- January 31
- sunrise 7:30 AM, sunset 5:34 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00361485 (Clarion 3 Sw), public domain. Records: NOAA GHCN-Daily, station USC00363028, 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.