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
East Dennis's transition into May sees a mild rise in the average high-temperature, edging from a chilly 47.1°F (8.4°C) in April to a cool 55°F (12.8°C). East Dennis encounters a small divergence from daytime high temperatures, averaging a low-temperature of 51.3°F (10.7°C) during May nights.Humidity
In East Dennis, the average relative humidity in May is 83%.Rainfall
In East Dennis, in May, it is raining for 12.5 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in East Dennis, there are 129 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
In East Dennis, Massachusetts, snow does not fall in May through November.Ocean temperature
In May, the average ocean temperature in East Dennis is 49.1°F (9.5°C).Note: If planning to swim in 49.1°F (9.5°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.
Daylight
In May, the average length of the day is 14h and 34min.On the first day of May in East Dennis, sunrise is at 5:35 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:08 pm EDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
In May, the average daily maximum UV index 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: The daily high UV index of 4 during May translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the usual temperature for East Dennis in May?
What is the average humidity in May in East Dennis?
How many days does it rain in May in East Dennis?
When it does not snow in East Dennis?
Does it snow in East Dennis in May?
What is the water temperature in May in East Dennis?
How many hours of daylight does East Dennis have in May?
What time are sunrise and sunset in May in East Dennis?
How many hours of sunshine does East Dennis have in May?
How high is the UV index in May in East Dennis?
Average temperature in May
East Dennis, MA
- Average high temperature in May: 55°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in May
East Dennis, 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
East Dennis, MA
- Average wind speed in May: 12.5mph
The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity in May
East Dennis, MA
- Average humidity in May: 83%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in May
East Dennis, MA
- Average rainfall in May: 1.14"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in May
East Dennis, MA
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in May
East Dennis, MA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in May
East Dennis, MA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
East Dennis, MA
- Average sea temperature in May: 49.2°F
The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).
Average daylight in May /
Average sunshine in May
East Dennis, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in May
East Dennis, MA
- Average sunshine days in May: 16.4 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in May
East Dennis, 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, November and December (UV index 2).
Average cloud cover in May
East Dennis, MA
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
East Dennis, 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).
East Dennis, Massachusetts, USA
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