Measurements:
°C
°F
Falmouth
60°F
NW 17 mph
Feels like: 56°F
Precip: 100%
World Resorts USA Falmouth Weather

7 Day Weather Forecast

05.14
thu
DAY
60°F
NW 17 mph
precip
100%
NIGHT
54°F
E 6 mph
precip
0%
05.15
fri
DAY
58°F
NW 2 mph
precip
100%
NIGHT
50°F
S 6 mph
precip
0%
05.16
sat
DAY
58°F
NE 13 mph
precip
0%
NIGHT
56°F
NE 17 mph
precip
0%
05.17
sun
DAY
66°F
NE 11 mph
precip
0%
NIGHT
62°F
SE 7 mph
precip
0%
05.18
mon
DAY
62°F
W 11 mph
precip
0%
NIGHT
56°F
N 7 mph
precip
0%
05.19
tue
DAY
66°F
NE 12 mph
precip
0%
NIGHT
62°F
NE 19 mph
precip
0%
05.20
wed
DAY
66°F
NE 17 mph
precip
0%
NIGHT
62°F
E 8 mph
precip
47%

Falmouth Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Falmouth was 13.7°F. The maximum and minimum values were 11.0°F and 15.8°F respectively.

Falmouth on the Weather Map

Best Time to Visit Falmouth
The most sunny months:
November 15 days
October 14 days
August 13 days
The most warm months:
July 77.1 °F
August 76.5 °F
September 71.5 °F
Warmest sea temperature:
August 76.7 °F
July 75.3 °F
September 72.7 °F
The most cold months:
February 34.8 °F
January 34.9 °F
December 41.2 °F
The most rainy months:
January 3 days
October 3 days
July 2 days
The most windy months:
November 14 mph
January 14 mph
December 14 mph