May weather forecastFairhaven, MA
May
Weather in May
The last month of the spring, May, is a comfortable month in Fairhaven, Massachusetts, with an average temperature ranging between max 62.4°F (16.9°C) and min 50.7°F (10.4°C).Temperature
With the beginning of May, Fairhaven's average high-temperature sees an increase, transitioning from a cool 53.2°F (11.8°C) in April to a refreshing 62.4°F (16.9°C). In Fairhaven, the May nights cool down to an average low of 50.7°F (10.4°C).Humidity
In Fairhaven, the average relative humidity in May is 78%.Rainfall
In Fairhaven, in May, it is raining for 13.3 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 133.2 rainfall days, and 17.2" (437mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Ocean temperature
In Fairhaven, the average seawater temperature in May is 50.4°F (10.2°C).Note: Without suitable protection, venturing into 50.4°F (10.2°C) waters cooler than 50°F (10°C) can lead to pronounced cold shock and rapid breaths.
Daylight
In Fairhaven, Massachusetts, the average length of the day in May is 14h and 33min.On the first day of the month, sunrise is at 5:39 am and sunset at 7:42 pm. On the last day of May, sunrise is at 5:11 am and sunset at 8:11 pm EDT.
Sunshine
The average sunshine in May is 8.5h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 5 in May leads to these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Enhance your sun protection with tightly woven, yet airy clothing. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fairhaven, MA
- Average high temperature in May: 62.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in May: 50.7°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in May
Fairhaven, MA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Fairhaven, MA
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in May
Fairhaven, MA
- Average humidity in May: 78%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March, April and November (74%).
Average rainfall in May
Fairhaven, MA
- Average rainfall in May: 1.5"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in May
Fairhaven, MA
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in May
Fairhaven, MA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Fairhaven, MA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in May
Fairhaven, 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
Fairhaven, MA
- Average daylight in May: 14h and 30min
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 30min
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 48min).
Average sunshine days in May
Fairhaven, MA
- Average sunshine days in May: 15.6 days
The months with the most sunshine days are November and December (18.3 days).
The month with the least sunshine days is April (14.4 days).
Average UV index in May
Fairhaven, MA
- Average UV index in May: 5
The months with the highest UV index are June, 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
Fairhaven, MA
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Fairhaven, 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).
