Westerly CDP, Rhode Island

Official LSAD Designation: Westerly CDP • Census GEOID: 4476820 • Washington County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Westerly CDP.

Reference Weather Station: WESTERLY STATE AP, RI US (ID: USW00014794) • Located 1.7 miles from community center • Elevation: 24.7 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	39.5°	24.5°	32.0°	3.34"
February	41.2°	25.7°	33.4°	2.75"
March	47.2°	32.0°	39.6°	4.17"
April	57.1°	40.7°	48.9°	3.90"
May	66.6°	50.0°	58.3°	3.32"
June	75.0°	59.4°	67.2°	3.55"
July	81.6°	65.9°	73.8°	2.91"
August	80.5°	64.3°	72.4°	3.49"
September	74.4°	57.1°	65.7°	3.81"
October	63.9°	46.5°	55.2°	4.29"
November	54.0°	37.8°	45.9°	3.50"
December	44.9°	30.3°	37.6°	3.77"

2010–2025, completed calendar years only.

NOAA station WESTERLY STATE AP, RI US (ID: USW00014794) • 1.7 miles from community center .

This is the same reference station used for monthly normals.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

Annual temperature data table (°F)

Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year	Annual mean (°F)	Annual mean of daily highs (°F)	Annual mean of daily lows (°F)
2010	52.5	60.6	44.3
2011	52.1	60.5	43.6
2012	53.3	61.7	45.0
2013	50.6	59.0	42.1
2014	49.9	58.5	41.3
2015	50.7	59.6	41.8
2016	Unavailable	Unavailable	Unavailable
2017	52.6	60.9	44.4
2018	52.8	60.8	44.8
2019	52.7	61.0	44.5
2020	54.0	62.3	45.7
2021	51.0	59.2	42.8
2022	52.1	60.9	43.3
2023	53.1	61.3	44.9
2024	52.5	60.7	44.3
2025	50.8	59.3	42.4

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.