Westerly climate

Westerly Weather in May

NOAA 1991-2020 normals for Westerly State AP, 3.9 km from Westerly

Average highs run from 63°F on May 1 to 70°F on May 31, and lows from 46°F to 54°F. Normal precipitation for the month is 3.32 in over about 12 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Westerly, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
67°F
Average low
50°F
Precipitation
3.32 in
Record high
91°FMay 31, 2022
Record low
29°FMay 1, 2008
Chance of a freeze
6%
Daylight
14 h 00 min to 14 h 57 min
Cloud cover
63%
Humidity
79%
Dew point
49°F
Wind
5.6 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 163°F46°F78°F 200129°F 200838%0%
May 263°F46°F80°F 200135°F 200538%0%
May 363°F46°F83°F 200134°F 200738%0%
May 464°F47°F83°F 200134°F 200338%0%
May 564°F47°F77°F 200633°F 200338%0%
May 664°F47°F78°F 201036°F 200738%0%
May 765°F47°F81°F 200030°F 200138%0%
May 865°F48°F83°F 200032°F 200138%0%
May 965°F48°F79°F 200037°F 202038%0%
May 1065°F48°F74°F 201337°F 201638%0%
May 1166°F49°F76°F 200432°F 201038%0%
May 1266°F49°F80°F 200437°F 201038%0%
May 1366°F49°F82°F 202334°F 200538%0%
May 1466°F49°F73°F 201635°F 200738%0%
May 1566°F50°F74°F 200434°F 201338%0%
May 1667°F50°F78°F 202037°F 200038%0%
May 1767°F50°F78°F 201539°F 200338%0%
May 1867°F51°F85°F 201732°F 202338%0%
May 1967°F51°F85°F 201735°F 200238%0%
May 2068°F51°F82°F 202637°F 200238%0%
May 2168°F51°F81°F 201037°F 200238%0%
May 2268°F52°F80°F 202240°F 200238%0%
May 2368°F52°F87°F 202142°F 200638%0%
May 2469°F52°F79°F 202441°F 202338%0%
May 2569°F53°F83°F 200743°F 200638%0%
May 2669°F53°F85°F 200741°F 202338%0%
May 2769°F53°F82°F 201440°F 201338%0%
May 2869°F54°F79°F 201642°F 201338%0%
May 2970°F54°F78°F 201240°F 201438%0%
May 3070°F54°F85°F 201139°F 201438%0%
May 3170°F54°F91°F 202241°F 202638%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Westerly, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:45 AM, sunset 7:45 PM
May 31
sunrise 5:17 AM, sunset 8:14 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00014794 (Westerly State AP), public domain. Records: NOAA GHCN-Daily, station USW00014794, 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.