Nantucket weather in January: Nantucket, Massachusetts: normal highs, lows, rain and records for January

Nantucket in January has a normal high of 40°F and a normal low of 27°F, a daily mean of 33°F, falling from 42°F on the 1st to 39°F by the 31st. Measurable precipitation falls on 12 days in a normal January, 3.18 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 4°C and low of −3°C, 81 mm of precipitation in January.

  • NOAA stationNantucket Mem Airport
  • Station IDUSW00014756
  • Location41.25°N 70.06°W
  • Elevation45 ft (14 m)
  • From the center2 miles
  • Population (town)14,670
  • Census place10,837
  1. Jan 40° 27°
  2. Feb 40° 27°
  3. Mar 44° 32°
  4. Apr 52° 39°
  5. May 61° 47°
  6. Jun 69° 56°
  7. Jul 75° 63°
  8. Aug 76° 62°
  9. Sep 70° 57°
  10. Oct 62° 49°
  11. Nov 53° 40°
  12. Dec 45° 32°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Nantucket in January?

The normal high is 40°F and the normal low 27°F, for a daily mean of 33.1°F. January is 5.5°F cooler than December and 0.4°F cooler than February. January is the 12th warmest month of the year in Nantucket and the 7th wettest. Across the month the normal high falls 3°F, from 42°F on January 1 to 39°F on January 31. From one year to the next January's mean temperature typically moves about 3.6°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 30°F and 37°F.

Nantucket in January, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 39%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 142°F29°F39%24%
January 840°F27°F38%23%
January 1539°F26°F38%22%
January 2239°F26°F37%21%
January 3139°F26°F36%19%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 24)
Nantucket: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 142°F29°F39%24%9 h 10 min
January 241°F28°F39%24%9 h 20 min
January 341°F28°F39%24%9 h 20 min
January 441°F28°F38%24%9 h 20 min
January 541°F28°F38%23%9 h 20 min
January 641°F28°F38%23%9 h 20 min
January 740°F27°F38%23%9 h 20 min
January 840°F27°F38%23%9 h 20 min
January 940°F27°F38%23%9 h 20 min
January 1040°F27°F38%23%9 h 20 min
January 1140°F27°F38%23%9 h 20 min
January 1240°F27°F38%22%9 h 30 min
January 1340°F27°F38%22%9 h 30 min
January 1439°F27°F38%22%9 h 30 min
January 1539°F26°F38%22%9 h 30 min
January 1639°F26°F38%22%9 h 30 min
January 1739°F26°F38%22%9 h 30 min
January 1839°F26°F38%21%9 h 40 min
January 1939°F26°F37%21%9 h 40 min
January 2039°F26°F37%21%9 h 40 min
January 2139°F26°F37%21%9 h 40 min
January 2239°F26°F37%21%9 h 40 min
January 2339°F26°F37%20%9 h 40 min
January 2439°F26°F37%20%9 h 50 min
January 2539°F26°F36%20%9 h 50 min
January 2639°F26°F36%20%9 h 50 min
January 2739°F26°F36%20%9 h 50 min
January 2839°F26°F36%20%9 h 50 min
January 2939°F26°F36%20%10 h
January 3039°F26°F36%19%10 h
January 3139°F26°F36%19%10 h
Normal high
40°FJanuary average
Normal low
27°FJanuary average
Precipitation
3.18 inmonth total
Days with precipitation
120.01 inch or more
Nights at 32°F or colder
22
Daylight
9 h 10 min to 10 hJanuary 1 to January 31
Sunshine
67%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014756; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Nantucket in January?

On a given January day the chance of 0.01 inch or more is 37% on average, highest around January 1 (39%). In all, 3.18 in falls on 12 days of a normal January, 1 of them with an inch or more.

In a normal January in Nantucket, 22 nights fall to freezing and 6 days stay below freezing all day.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014756.

What are the records for January in Nantucket?

The warmest January temperature on this station's record (since 1948) is 63°F, on January 24, 1967; the coldest is −3°F, on January 16, 2004. The wettest January brought 8.24 in (1953); the snowiest, 38.9 inches (1965).

The January mean against the 1991-2020 normal of 33.1°F: 2021 34.1°F (+1.0), 2022 34.3°F (+1.2), 2023 41.2°F (+8.1), 2024 35.2°F (+2.1), 2025 30.9°F (−2.2), 2026 31.0°F (−2.1). 4 of 6 ran warmer than normal.

Nantucket: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202134.1°F+1.0°F2.07 in
202234.3°F+1.2°F3.90 in
202341.2°F+8.1°F4.96 in
202435.2°F+2.1°F4.21 in
202530.9°F−2.2°F0.09 in
202631.0°F−2.1°F0.95 in

Source: records: ACIS, station USW00014756; recent months: ACIS, station USW00014756. Records and recent months use complete months only.

How does January in Nantucket compare across Massachusetts?

Across the 35 places PlainClimate covers in Massachusetts, January normal highs run from 30°F in Pittsfield to 40°F in Edgartown; Nantucket's is 40°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places