Nantucket Weather in January
Average highs run from 42°F on January 1 to 39°F on January 31, and lows from 29°F to 26°F. Normal precipitation for the month is 3.18 in over about 12 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
- 40°F
- Average low
- 27°F
- Precipitation
- 3.18 in
- Snowfall
- 8.8 in
- Record high
- 63°FJan 24, 1967
- Record low
- -3°FJan 16, 2004
- Chance of a freeze
- 100%
- Daylight
- 9 h 16 min to 10 h 03 min
- Cloud cover
- 76%
- Humidity
- 81%
- Dew point
- 30°F
- Wind
- 19.5 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 | 42°F | 29°F | 55°F 2019 | 5°F 2018 | 39% | 8% |
| Jan 2 | 41°F | 28°F | 55°F 1979 | 8°F 1999 | 39% | 8% |
| Jan 3 | 41°F | 28°F | 54°F 1979 | 11°F 1981 | 39% | 8% |
| Jan 4 | 41°F | 28°F | 60°F 1998 | 1°F 1981 | 38% | 8% |
| Jan 5 | 41°F | 28°F | 57°F 1950 | 2°F 1981 | 38% | 9% |
| Jan 6 | 41°F | 28°F | 56°F 2007 | 7°F 1959 | 38% | 9% |
| Jan 7 | 40°F | 27°F | 54°F 1950 | 2°F 2018 | 38% | 9% |
| Jan 8 | 40°F | 27°F | 55°F 2007 | 0°F 1970 | 38% | 9% |
| Jan 9 | 40°F | 27°F | 54°F 1978 | 2°F 1968 | 38% | 10% |
| Jan 10 | 40°F | 27°F | 58°F 2016 | 6°F 1982 | 38% | 10% |
| Jan 11 | 40°F | 27°F | 54°F 1975 | 5°F 1981 | 38% | 10% |
| Jan 12 | 40°F | 27°F | 57°F 2020 | 2°F 1981 | 38% | 10% |
| Jan 13 | 40°F | 27°F | 57°F 2024 | 8°F 1971 | 38% | 10% |
| Jan 14 | 39°F | 27°F | 55°F 2005 | 3°F 1974 | 38% | 11% |
| Jan 15 | 39°F | 26°F | 54°F 1962 | 1°F 2004 | 38% | 11% |
| Jan 16 | 39°F | 26°F | 53°F 2021 | -3°F 2004 | 38% | 11% |
| Jan 17 | 39°F | 26°F | 54°F 2022 | 2°F 1982 | 38% | 11% |
| Jan 18 | 39°F | 26°F | 54°F 2006 | 2°F 1982 | 38% | 11% |
| Jan 19 | 39°F | 26°F | 51°F 1951 | 4°F 1971 | 37% | 11% |
| Jan 20 | 39°F | 26°F | 52°F 2019 | 9°F 1977 | 37% | 12% |
| Jan 21 | 39°F | 26°F | 53°F 1979 | 2°F 1970 | 37% | 12% |
| Jan 22 | 39°F | 26°F | 53°F 2017 | 2°F 1970 | 37% | 12% |
| Jan 23 | 39°F | 26°F | 52°F 2023 | -1°F 1970 | 37% | 12% |
| Jan 24 | 39°F | 26°F | 63°F 1967 | 7°F 2011 | 37% | 12% |
| Jan 25 | 39°F | 26°F | 52°F 1975 | 4°F 2004 | 36% | 12% |
| Jan 26 | 39°F | 26°F | 55°F 1950 | 7°F 2007 | 36% | 12% |
| Jan 27 | 39°F | 26°F | 53°F 1967 | 9°F 1971 | 36% | 12% |
| Jan 28 | 39°F | 26°F | 53°F 1974 | 5°F 1971 | 36% | 12% |
| Jan 29 | 39°F | 26°F | 53°F 1950 | 11°F 1977 | 36% | 12% |
| Jan 30 | 39°F | 26°F | 52°F 2002 | 5°F 1948 | 36% | 12% |
| Jan 31 | 39°F | 26°F | 52°F 1969 | 5°F 1973 | 36% | 12% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:06 AM, sunset 4:22 PM
- January 31
- sunrise 6:53 AM, sunset 4:56 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00014756 (Nantucket Mem AP), public domain. Records: NOAA GHCN-Daily, station USW00014756, 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.