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 shift into May is characterized by a rise in the average high-temperature, transitioning from April's moderate 56.7°F (13.7°C) to a pleasant 68.5°F (20.3°C). Throughout the month of May, the average temperature dips to a frosty 49.5°F (9.7°C) at night.Humidity
In May, the average relative humidity in Glastonbury is 74%.Rainfall
In Glastonbury, in May, it is raining for 17.3 days, with typically 2.6" (66mm) of accumulated precipitation. In Glastonbury, Connecticut, during the entire year, the rain falls for 164.5 days and collects up to 32.09" (815mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Glastonbury aggregates 0.31" (8mm) of snow. Throughout the year, in Glastonbury, there are 29.1 snowfall days, and 15.63" (397mm) of snow is accumulated.Daylight
The average length of the day in May in Glastonbury, Connecticut, is 14h and 33min.On the first day of May in Glastonbury, sunrise is at 5:45 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:17 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the average May temperature in Glastonbury?
What is the average humidity in May in Glastonbury?
How many days does it rain in May in Glastonbury?
What is the last month it snows in Glastonbury?
What is the average length of the day in May in Glastonbury?
What time are sunrise and sunset in May in Glastonbury?
How long on average sun shines in May in Glastonbury?
How high is the UV index in May in Glastonbury?
Average temperature in May
Glastonbury, CT
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 49.5°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in May
Glastonbury, CT
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Glastonbury, CT
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in May
Glastonbury, CT
- Average humidity in May: 74%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in May
Glastonbury, CT
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Glastonbury, CT
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in May
Glastonbury, CT
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Glastonbury, CT
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (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
Glastonbury, CT
- 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 12min).
- Average sunshine in May: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Glastonbury, CT
- Average sunshine days in May: 11 days
The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in May
Glastonbury, CT
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Glastonbury, CT
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Glastonbury, CT
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).
Glastonbury, Connecticut, USA
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