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
The start of May is characterized by an increase in the average high-temperature, transitioning from a mild 55.6°F (13.1°C) in April to a still refreshing 67.6°F (19.8°C). In May, West Groton encounters an average low-temperature of 47.8°F (8.8°C) during the night.Humidity
In May, the average relative humidity is 73%.Rainfall
In May, the rain falls for 15.5 days. Throughout May, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 142.2 rainfall days, and 26.97" (685mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in West Groton, Massachusetts. May is the last month it regularly snows in West Groton. During 0.1 snowfall days, in May, West Groton aggregates 0.12" (3mm) of snow. Throughout the year, in West Groton, there are 32.6 snowfall days, and 22.99" (584mm) of snow is accumulated.Daylight
The average length of the day in May in West Groton is 14h and 38min.On the first day of the month, sunrise is at 5:39 am and sunset at 7:47 pm. On the last day of May, in West Groton, sunrise is at 5:11 am and sunset at 8:17 pm EDT.
Sunshine
The average sunshine in May in West Groton is 8.4h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 5 in May leads to these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What are May temperatures in West Groton?
What is the average humidity in May in West Groton?
How many days does it rain in May in West Groton?
What is the last month it snows in West Groton?
What is the average length of the day in May in West Groton?
When is the sunrise / sunset in May in West Groton?
How many hours of sunshine does West Groton have in May?
What is the UV index intensity in May in West Groton?
Average temperature in May
West Groton, MA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in May
West Groton, MA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
West Groton, MA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
West Groton, MA
- Average humidity in May: 73%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
West Groton, MA
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is December (2.8").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in May
West Groton, MA
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in May
West Groton, MA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
West Groton, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
West Groton, MA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
West Groton, MA
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in May
West Groton, 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
West Groton, MA
- Average cloud cover in May: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
West Groton, MA
- Average visibility in May: 5mi
The months with the highest visibility are April, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August and September (5mi).
West Groton, Massachusetts, USA
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