Measurements:
°C
°F
Plymouth
60°F
NW 14 mph
Feels like: 60°F
Precip: 100%
World Resorts USA Plymouth Weather

7 Day Weather Forecast

05.14
thu
DAY
64°F
NW 12 mph
precip
65%
NIGHT
52°F
NE 4 mph
precip
84%
05.15
fri
DAY
58°F
SW 6 mph
precip
100%
NIGHT
50°F
S 4 mph
precip
0%
05.16
sat
DAY
68°F
NE 9 mph
precip
0%
NIGHT
56°F
NE 13 mph
precip
0%
05.17
sun
DAY
80°F
SE 6 mph
precip
0%
NIGHT
62°F
S 7 mph
precip
0%
05.18
mon
DAY
70°F
W 7 mph
precip
0%
NIGHT
58°F
N 7 mph
precip
0%
05.19
tue
DAY
82°F
NE 11 mph
precip
0%
NIGHT
70°F
NE 11 mph
precip
0%
05.20
wed
DAY
86°F
NE 12 mph
precip
0%
NIGHT
66°F
E 9 mph
precip
0%

Plymouth Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Plymouth was 10.9°F. The maximum and minimum values were 9.3°F and 12.4°F respectively.

Plymouth on the Weather Map

Best Time to Visit Plymouth
The most sunny months:
November 15 days
September 13 days
October 13 days
The most warm months:
July 82.1 °F
August 80.3 °F
June 75.6 °F
Warmest sea temperature:
August 69.8 °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