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
Vineyard Haven's transition into May is marked by a minor temperature shift, moving from a frosty 48.7°F (9.3°C) in April to a moderate 56.3°F (13.5°C). A modest nighttime temperature average of 51.4°F (10.8°C) characterizes May.Humidity
May through July, with an average relative humidity of 83%, are the most humid months.Rainfall
In Vineyard Haven, Massachusetts, in May, during 8.5 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, there are 89.3 rainfall days, and 6.14" (156mm) of precipitation is accumulated.Snowfall
In Vineyard Haven, snow does not fall in April through November.Ocean temperature
In Vineyard Haven, Massachusetts, the average seawater temperature in May is 50.9°F (10.5°C).Note: Dipping in 50.9°F (10.5°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
In May, the average length of the day is 14h and 32min.On the first day of May in Vineyard Haven, sunrise is at 5:38 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:09 pm EDT.
Sunshine
In Vineyard Haven, the average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May in Vineyard Haven is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during May leads to these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the most humid month in Vineyard Haven?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How cold is the water in May?
What is the average length of the day in May in Vineyard Haven?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Vineyard Haven, MA
- Average high temperature in May: 56.3°F
The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is August (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in May
Vineyard Haven, 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
Vineyard Haven, MA
- Average wind speed in May: 12.3mph
The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.7mph).
Average humidity in May
Vineyard Haven, MA
- Average humidity in May: 83%
The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in May
Vineyard Haven, MA
- Average rainfall in May: 0.47"
The wettest month (with the highest rainfall) is October (0.83").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in May
Vineyard Haven, MA
- Average rainfall days in May: 8.5 days
The month with the highest number of rainy days is July (9.1 days).
The months with the least rainy days are September and November (5.9 days).
Average snowfall in May
Vineyard Haven, MA
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Vineyard Haven, MA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Vineyard Haven, MA
- Average sea temperature in May: 50.9°F
The best month for swimming (with the highest average sea temperature) is August (68.5°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).
Average daylight in May /
Average sunshine in May
Vineyard Haven, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Vineyard Haven, MA
- Average sunshine days in May: 19.4 days
The month with the most sunshine days is September (21.4 days).
The month with the least sunshine days is February (18.5 days).
Average UV index in May
Vineyard Haven, 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
Vineyard Haven, MA
- Average cloud cover in May: 44
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Vineyard Haven, 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).
Vineyard Haven, Massachusetts, USA
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