World Resorts USA Westerly Weather

Westerly weather in May

Weather in Westerly: May

Average day temperature: 62.4°F
Average night temperature: 51.7°F
Sea water temperature: 51.4°F
Number of sunny days: 11 days
Day length: 14.0 - 14.9 hours
Number of rainy days: 3 days
Precipitation totals: 1.1 in.

Air temperature in May, °F

Show year:
2026
2025
2024

The highest day temperature during May of 2026 was 80°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during May were 64.4°F and 51.7°F.

Sea water temperature in Westerly in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 50.4°F. The highest and lowest sea temperatures during the month were 54.9°F and 45.5°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in May is almost equal.

Precipitation total in May, in.

Precipitation total value in Westerly in May is 1.1 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 9.3 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.9.

Best time for vacation in Westerly

Sunniest months:
November 17 days
December 14 days
October 14 days
Warmest months:
July 79.4 °F
August 77.9 °F
June 73.3 °F
Warmest sea temp:
August 70.0 °F
July 68.6 °F
September 68.3 °F
Coldest months:
January 36.2 °F
February 37.3 °F
December 41.1 °F
Rainiest months:
October 4 days
July 3 days
November 3 days
Windiest months:
March 11.0 mph
January 10.5 mph
April 10.4 mph

Westerly on a weather map

Westerly
+75°F
NE 7 mph
Feels like: +81°F
Precip.: 12%
Places in USA:
Name
°F
+79°F
+79°F
+108°F
+77°F
+88°F
+86°F
+75°F
+82°F
+86°F
+72°F
+63°F
+91°F
+93°F
+88°F
+70°F
24 Hours Forecast
Westerly
Local time: 18:13
June 26, friday
2100
70°F
N
6 mph
June 27, saturday
0000
68°F
NE
3 mph
0300
68°F
SE
2 mph
0600
66°F
SE
3 mph
0900
70°F
S
6 mph
1200
73°F
NE
7 mph
1500
72°F
NE
9 mph
1800
70°F
NE
7 mph
Units of measurement: °C / °F