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
Mattapoisett's weather in May presents a rise in the average high-temperature, moving from a cool 53.2°F (11.8°C) in April to a refreshing 62.4°F (16.9°C). Throughout May, a steady low-temperature average of 50.7°F (10.4°C) is noted.Humidity
The average relative humidity in May in Mattapoisett is 78%.Rainfall
In Mattapoisett, in May, during 13.3 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, in Mattapoisett, there are 133.2 rainfall days, and 17.2" (437mm) of precipitation is accumulated.Snowfall
In Mattapoisett, Massachusetts, snow does not fall in May through October.Ocean temperature
In Mattapoisett, in May, the average water temperature is 50.4°F (10.2°C).Note: Caution: 50.4°F (10.2°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
In Mattapoisett, the average length of the day in May is 14h and 33min.On the first day of May, sunrise is at 5:38 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:10 pm EDT.
Sunshine
The average sunshine in May in Mattapoisett is 8.5h.UV index
In May, the average daily maximum UV index in Mattapoisett is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average May temperature in Mattapoisett?
What is the average humidity in May in Mattapoisett?
How much does it rain in Mattapoisett in May?
When it does not snow in Mattapoisett?
Does it snow in Mattapoisett in May?
What is the ocean temperature in May in Mattapoisett?
What is the average length of the day in May in Mattapoisett?
What time are sunrise and sunset in May in Mattapoisett?
How many hours of sunshine does Mattapoisett have in May?
What is the UV index reading in May in Mattapoisett?
Average temperature in May
Mattapoisett, 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
Mattapoisett, 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
Mattapoisett, 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
Mattapoisett, 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
Mattapoisett, 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
Mattapoisett, 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
Mattapoisett, 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
Mattapoisett, 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
Mattapoisett, 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
Mattapoisett, MA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 3min
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
Mattapoisett, 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
Mattapoisett, 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
Mattapoisett, 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
Mattapoisett, 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).
Mattapoisett, Massachusetts, USA
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