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
May's onset witnesses a shift in the average high-temperature, moving from a moderate 55.6°F (13.1°C) in April to a still refreshing 66.7°F (19.3°C). The average nighttime temperature lowers to a chilly 49.8°F (9.9°C) throughout May.Humidity
The average relative humidity in May in Somerville is 72%.Rainfall
In Somerville, Massachusetts, during May, the rain falls for 4.3 days and regularly aggregates up to 0.28" (7mm) of precipitation. In Somerville, Massachusetts, during the entire year, the rain falls for 47.8 days and collects up to 4.13" (105mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Somerville aggregates 0.04" (1mm) of snow. Throughout the year, in Somerville, there are 13.2 snowfall days, and 2.17" (55mm) of snow is accumulated.Daylight
In Somerville, the average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 5:38 am and sunset at 7:44 pm. On the last day of May, in Somerville, Massachusetts, sunrise is at 5:10 am and sunset at 8:14 pm EDT.
Sunshine
In Somerville, the average sunshine in May is 8.4h.UV index
In May, the average daily maximum UV index in Somerville is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Take precautions - Protection against sun damage is advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average May temperature in Somerville?
What is the average humidity in May in Somerville?
How many days does it rain in May in Somerville?
What is the last month it snows in Somerville?
How many hours of daylight does Somerville have in May?
When is the sunrise / sunset in May in Somerville?
How many hours of sunshine does Somerville have in May?
What is the UV index reading in May in Somerville?
Average temperature in May
Somerville, MA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Somerville, MA
- Average pressure in May: 30.01"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
Somerville, MA
- Average wind speed in May: 7.2mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Somerville, MA
- Average humidity in May: 72%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).
Average rainfall in May
Somerville, MA
- Average rainfall in May: 0.28"
The wettest month (with the highest rainfall) is November (0.55").
The driest month (with the least rainfall) is September (0.12").
Average rainfall days in May
Somerville, MA
- Average rainfall days in May: 4.3 days
The month with the highest number of rainy days is April (5.9 days).
The months with the least rainy days are January and September (2.9 days).
Average snowfall in May
Somerville, MA
- Average snowfall in May: 0.04"
The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Somerville, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Somerville, 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 6min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Somerville, MA
- Average sunshine days in May: 24.3 days
The month with the most sunshine days is December (25.5 days).
The month with the least sunshine days is July (22.8 days).
Average UV index in May
Somerville, 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
Somerville, MA
- Average cloud cover in May: 46
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Somerville, 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).
Somerville, Massachusetts, USA
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