Measurements:
°C
°F
Falmouth
88°F
NE 12 mph
Feels like: 92°F
Precip: 3%
World Resorts USA Falmouth Weather May Weather in Falmouth

Falmouth Weather: May

Average Day Temperature: 59.3°F
Average Night Temperature: 53.3°F
Sea Water Temperature: 55.4°F
Number of Sunny Days: 11 days
Sunshine Hours: 14.0 - 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 81°F. The lowest night temperature was 44°F. The average values for day and night temperatures during May were 65.2°F и 53.1°F respectivly.

Falmouth Water Sea Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Falmouth was 55.8°F. The maximum and minimum values were 49.0°F and 61.8°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 Falmouth 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 11.7 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 Falmouth in May is 7.9 hours.

Best Time to Visit Falmouth
The most sunny months:
November 15 days
June 14 days
October 14 days
The most warm months:
July 78.0 °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

Falmouth on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +82
Hawaii +82
Houston +102
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Falmouth
Local time: 14:22
05 aug, wednesday
1500 88°F
NE
12 mph
1800 86°F
NE
12 mph
2100 74°F
NE
11 mph
06 aug, thursday
0000 74°F
NE
11 mph
0300 76°F
NE
10 mph
0600 76°F
NE
9 mph
0900 80°F
NE
11 mph
1200 84°F
NE
13 mph