Westerly weather in January: Westerly, Rhode Island: normal highs, lows, rain and records for January

Westerly in January has a normal high of 40°F and a normal low of 25°F, a daily mean of 32°F, falling from 41°F on the 1st to 39°F by the 31st. Measurable precipitation falls on 11 days in a normal January, 3.34 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 4°C and low of −4°C, 85 mm of precipitation in January.

  • NOAA stationWesterly State Airport
  • Station IDUSW00014794
  • Location41.35°N 71.80°W
  • Elevation81 ft (25 m)
  • From the center2 miles
  • Population (town)23,288
  • Census place18,528
  1. Jan 40° 25°
  2. Feb 41° 26°
  3. Mar 47° 32°
  4. Apr 57° 41°
  5. May 67° 50°
  6. Jun 75° 59°
  7. Jul 82° 66°
  8. Aug 81° 64°
  9. Sep 74° 57°
  10. Oct 64° 47°
  11. Nov 54° 38°
  12. Dec 45° 30°

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

How warm is Westerly in January?

The normal high is 40°F and the normal low 25°F, for a daily mean of 32.0°F. January is 5.6°F cooler than December and 1.4°F cooler than February. January is the 12th warmest month of the year in Westerly and the 9th wettest. Across the month the normal high falls 2°F, from 41°F on January 1 to 39°F on January 31. From one year to the next January's mean temperature typically moves about 4.2°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 28°F and 36°F.

Westerly 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 36%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 141°F27°F36%22%
January 840°F25°F35%20%
January 1539°F24°F34%19%
January 2239°F24°F33%18%
January 3139°F24°F31%18%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 22)
Westerly: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 141°F27°F36%22%9 h 10 min
January 241°F26°F36%21%9 h 20 min
January 341°F26°F36%21%9 h 20 min
January 441°F26°F36%21%9 h 20 min
January 540°F26°F36%21%9 h 20 min
January 640°F26°F36%21%9 h 20 min
January 740°F25°F35%21%9 h 20 min
January 840°F25°F35%20%9 h 20 min
January 940°F25°F35%20%9 h 20 min
January 1040°F25°F35%20%9 h 20 min
January 1140°F25°F35%20%9 h 20 min
January 1240°F25°F35%20%9 h 30 min
January 1339°F25°F35%20%9 h 30 min
January 1439°F24°F34%19%9 h 30 min
January 1539°F24°F34%19%9 h 30 min
January 1639°F24°F34%19%9 h 30 min
January 1739°F24°F34%19%9 h 30 min
January 1839°F24°F34%19%9 h 30 min
January 1939°F24°F34%19%9 h 40 min
January 2039°F24°F33%18%9 h 40 min
January 2139°F24°F33%18%9 h 40 min
January 2239°F24°F33%18%9 h 40 min
January 2339°F24°F32%18%9 h 40 min
January 2439°F24°F32%18%9 h 50 min
January 2539°F24°F32%18%9 h 50 min
January 2639°F24°F32%18%9 h 50 min
January 2739°F24°F32%18%9 h 50 min
January 2839°F24°F32%18%9 h 50 min
January 2939°F24°F32%17%10 h
January 3039°F24°F32%17%10 h
January 3139°F24°F31%18%10 h
Normal high
40°FJanuary average
Normal low
25°FJanuary average
Precipitation
3.34 inmonth total
Days with precipitation
110.01 inch or more
Nights at 32°F or colder
25
Daylight
9 h 10 min to 10 hJanuary 1 to January 31
Sunshine
69%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014794; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Westerly in January?

On a given January day the chance of 0.01 inch or more is 34% on average, highest around January 1 (36%). In all, 3.34 in falls on 11 days of a normal January, 1 of them with an inch or more.

In a normal January in Westerly, 25 nights fall to freezing and 8 days stay below freezing all day.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014794.

What are the records for January in Westerly?

The warmest January temperature on this station's record (since 1999) is 64°F, on January 12, 2020; the coldest is −8°F, on January 16, 2009. The wettest January brought 6.14 in (2019).

The January mean against the 1991-2020 normal of 32.0°F: 2021 30.1°F (−1.9), 2022 28.0°F (−4.0), 2023 39.1°F (+7.1), 2024 33.8°F (+1.8), 2025 28.3°F (−3.7), 2026 27.5°F (−4.5). 2 of 6 ran warmer than normal.

Westerly: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202130.1°F−1.9°F1.85 in
202228.0°F−4.0°F2.03 in
202339.1°F+7.1°F4.94 in
202433.8°F+1.8°F5.44 in
202528.3°F−3.7°F1.85 in
202627.5°F−4.5°F1.35 in

Source: records: ACIS, station USW00014794; recent months: ACIS, station USW00014794. Records and recent months use complete months only.

How does January in Westerly compare across Rhode Island?

Across the 6 places PlainClimate covers in Rhode Island, January normal highs run from 37°F in Kingston to 40°F in Westerly; Westerly's is 40°F.

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

Other months and places