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 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
With the onset of May, Siasconset's weather sees a minor temperature rise, transitioning from a chilly 47.5°F (8.6°C) in April to a cool 54.3°F (12.4°C). During May, nights in Siasconset, Massachusetts, cool slightly to an average low of 50.5°F (10.3°C).Humidity
The average relative humidity in May in Siasconset is 85%.Rainfall
In Siasconset, during May, the rain falls for 14.3 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, in Siasconset, there are 153.1 rainfall days, and 26.65" (677mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Siasconset.Daylight
In Siasconset, Massachusetts, the average length of the day in May is 14h and 31min.On the first day of the month, sunrise is at 5:36 am and sunset at 7:37 pm. On the last day of May, in Siasconset, sunrise is at 5:09 am and sunset at 8:06 pm EDT.
Sunshine
The average sunshine in May in Siasconset, Massachusetts, is 8.5h.UV index
In Siasconset, Massachusetts, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 4 in May leads to these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the average May temperature in Siasconset?
What is the average humidity in May in Siasconset?
How much does it rain in Siasconset in May?
When it does not snow in Siasconset?
How many hours of daylight does Siasconset have in May?
When is the sunrise / sunset in May in Siasconset?
How many hours of sunshine does Siasconset have in May?
What is the UV index intensity in May in Siasconset?
Average temperature in May
Siasconset, MA
- Average high temperature in May: 54.3°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is February (39.7°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is August (68.7°F).
The coldest month (with the lowest average low temperature) is February (32.5°F).
Average pressure in May
Siasconset, MA
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are September and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Siasconset, MA
- Average wind speed in May: 13.9mph
The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest month (with the lowest average wind speed) is August (11.8mph).
Average humidity in May
Siasconset, MA
- Average humidity in May: 85%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January, November and December (75%).
Average rainfall in May
Siasconset, MA
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in May
Siasconset, MA
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in May
Siasconset, MA
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Siasconset, MA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Siasconset, 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 18min).
- Average sunshine in May: 8h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in May
Siasconset, MA
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is August (16.5 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in May
Siasconset, MA
- Average UV index in May: 4
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 and December (UV index 2).
Average cloud cover in May
Siasconset, MA
- Average cloud cover in May: 44
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Siasconset, 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).
Siasconset, Massachusetts, USA
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