May weather forecastChilmark, MA
May
Weather in May
May, the last month of the spring in Chilmark, is a moderate month, with an average temperature ranging between min 51.4°F (10.8°C) and max 56.5°F (13.6°C).Temperature
The shift into May brings a slight increase in the average high-temperature, moving from a chilly 48.7°F (9.3°C) in April to a moderate 56.5°F (13.6°C). Chilmark sustains a near constant temperature throughout May, with nighttime averages of 51.4°F (10.8°C).Humidity
May through July, with an average relative humidity of 83%, are the most humid months.Rainfall
In Chilmark, during May, the rain falls for 13.9 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Chilmark, during the entire year, the rain falls for 146.4 days and collects up to 25.47" (647mm) of precipitation.Snowfall
In Chilmark, Massachusetts, snow does not fall in April through November.Daylight
In May, the average length of the day is 14h and 31min.On the first day of May, sunrise is at 5:39 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 in May translates into these instructions:
Ensure safety - Recommendations to avert sunburn are presented. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Chilmark, MA
- Average high temperature in May: 56.5°F
The warmest month (with the highest average high temperature) is August (73.9°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 (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in May
Chilmark, 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 (29.94"Hg).
Average wind speed in May
Chilmark, MA
- Average wind speed in May: 12.5mph
The windiest month (with the highest average wind speed) is January (16.2mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity in May
Chilmark, 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
Chilmark, MA
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is October (3.07").
The driest months (with the least rainfall) are August and November (1.73").
Average rainfall days in May
Chilmark, MA
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in May
Chilmark, MA
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.18").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Chilmark, MA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.3 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
Chilmark, 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 36min
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 42min).
Average sunshine days in May
Chilmark, MA
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is April (13.5 days).
Average UV index in May
Chilmark, 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
Chilmark, MA
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Chilmark, 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).
