Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The embrace of May brings a minor uplift in the average high-temperature, shifting from a chilly 49.1°F (9.5°C) in April to a mild 57.7°F (14.3°C). West Falmouth maintains an average low-temperature of 51.4°F (10.8°C) throughout May's nights.Humidity
The average relative humidity in May is 81%.Rainfall
In West Falmouth, in May, during 15.7 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In West Falmouth, during the entire year, the rain falls for 155.1 days and collects up to 32.48" (825mm) of precipitation.Snowfall
In West Falmouth, Massachusetts, snow does not fall in May through September.Ocean temperature
In May, the average ocean temperature in West Falmouth is 50.4°F (10.2°C).Note: Navigating the 50.4°F (10.2°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
The average length of the day in May in West Falmouth, Massachusetts, is 14h and 33min.On the first day of the month, sunrise is at 5:38 am and sunset at 7:40 pm. On the last day of May, sunrise is at 5:10 am and sunset at 8:09 pm EDT.
Sunshine
In May, the average sunshine in West Falmouth is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during May leads to these instructions:
Exercise prevention - Warding off sunburn is urged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Stay sun-safe with clothing that is both closely woven and worn loosely. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are May temperatures in West Falmouth?
What is the average humidity in May in West Falmouth?
How much does it rain in West Falmouth in May?
When it does not snow in West Falmouth?
Does it snow in West Falmouth in May?
What is the water temperature in May in West Falmouth?
How many hours of daylight does West Falmouth have in May?
When is the sunrise / sunset in May in West Falmouth?
How long on average sun shines in May in West Falmouth?
What is the UV index intensity in May in West Falmouth?
Average temperature in May
West Falmouth, MA
- Average high temperature in May: 57.7°F
The warmest month (with the highest average high temperature) is August (74.5°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in May
West Falmouth, MA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
West Falmouth, MA
- Average wind speed in May: 11.2mph
The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest months (with the lowest average wind speed) are July and August (9.9mph).
Average humidity in May
West Falmouth, MA
- Average humidity in May: 81%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).
Average rainfall in May
West Falmouth, MA
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is December (3.7").
The driest months (with the least rainfall) are August and September (1.85").
Average rainfall days in May
West Falmouth, MA
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
West Falmouth, MA
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
West Falmouth, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
West Falmouth, MA
- Average sea temperature in May: 50.4°F
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).
Average daylight in May /
Average sunshine in May
West Falmouth, MA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
West Falmouth, MA
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is August (16.4 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in May
West Falmouth, MA
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
West Falmouth, MA
- Average cloud cover in May: 44
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
West Falmouth, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
West Falmouth, Massachusetts, USA
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