Measurements:
°C
°F
Plymouth
82°F
E 7 mph
Feels like: 84°F
Precip: 2%
World Resorts USA Plymouth Weather May Weather in Plymouth

Plymouth Weather: May

Average Day Temperature: 64.7°F
Average Night Temperature: 52.3°F
Sea Water Temperature: 52.2°F
Number of Sunny Days: 11 days
Sunshine Hours: 14.1 - 15.0 hours
Number of Rainy Days: 2 days
Precipitation Totals: 0.9 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 94°F. The lowest night temperature was 40°F. The average values for day and night temperatures during May were 68.8°F и 52.1°F respectivly.

Plymouth Water Sea Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Plymouth was 53.0°F. The maximum and minimum values were 48.2°F and 59.4°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Plymouth is 0.9 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 9.4 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Plymouth in May is 8.1 hours.

Best Time to Visit Plymouth
The most sunny months:
November 15 days
December 13 days
June 13 days
The most warm months:
July 82.6 °F
August 80.3 °F
June 76.6 °F
Warmest sea temperature:
August 69.9 °F
July 69.4 °F
September 66.9 °F
The most cold months:
January 34.1 °F
February 35.3 °F
December 39.6 °F
The most rainy months:
October 4 days
April 3 days
July 2 days
The most windy months:
March 11 mph
January 11 mph
December 10 mph

Plymouth on the Weather Map

USA Resorts:
NAME
Boston +80
Chicago +80
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
Plymouth
Local time: 17:50
25 aug, tuesday
1800 82°F
E
7 mph
2100 72°F
E
6 mph
26 aug, wednesday
0000 68°F
E
7 mph
0300 62°F
E
6 mph
0600 60°F
E
6 mph
0900 72°F
SE
6 mph
1200 80°F
SE
2 mph
1500 84°F
W
2 mph