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
With the onset of May, Groton's average high-temperature witnesses a clear rise, advancing from April's chilly 47.5°F (8.6°C) to a comfortable 63.7°F (17.6°C). Despite the intense daytime heat, Groton sustains a steady low-temperature average of 42.1°F (5.6°C) during May.Humidity
May is the least humid month, with an average relative humidity of 76%.Rainfall
In Groton, during May, the rain falls for 16.8 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, there are 157.2 rainfall days, and 28.35" (720mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.7 snowfall days, in May, Groton aggregates 0.63" (16mm) of snow. Throughout the year, there are 98.4 snowfall days, and 51.97" (1320mm) of snow is accumulated.Daylight
In Groton, the average length of the day in May is 14h and 47min.On the first day of May, sunrise is at 5:38 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:25 pm EDT.
Sunshine
The average sunshine in May is 8h.UV index
In May, the average daily maximum UV index in Groton is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 4 in May suggests the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the least humid month?
What is the average humidity in May in Groton?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Groton have in May?
What is the UV index intensity in May?
Average temperature in May
Groton, VT
- Average high temperature in May: 63.7°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in May: 42.1°F
The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in May
Groton, VT
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Groton, VT
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Groton, VT
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in May
Groton, VT
- Average rainfall in May: 2.56"
The wettest months (with the highest rainfall) are June and October (2.87").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Groton, VT
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in May
Groton, VT
- Average snowfall in May: 0.63"
The month with the highest snowfall is January (12.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Groton, VT
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is February (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Groton, VT
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in May
Groton, VT
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (6.6 days).
Average UV index in May
Groton, VT
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Groton, VT
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in May
Groton, VT
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Groton, Vermont, USA
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