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
As East Granby enters May, the average high-temperature increases from the a moderate 56.5°F (13.6°C) of April to an agreeable 68.5°F (20.3°C). East Granby's temperature tends to fall to an average low of 48.7°F (9.3°C) during the nights of May.Humidity
In East Granby, the average relative humidity in May is 74%.Rainfall
In May, the rain falls for 11.4 days. Throughout May, 1.06" (27mm) of precipitation is accumulated. In East Granby, during the entire year, the rain falls for 113.2 days and collects up to 10.91" (277mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, East Granby aggregates 0.04" (1mm) of snow. Throughout the year, there are 23.9 snowfall days, and 5.63" (143mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 35min.On the first day of May, sunrise is at 5:45 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:19 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
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 long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
East Granby, CT
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
East Granby, 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
East Granby, CT
- Average wind speed in May: 6.4mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
East Granby, CT
- Average humidity in May: 74%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
East Granby, CT
- Average rainfall in May: 1.06"
The wettest months (with the highest rainfall) are July and October (1.14").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in May
East Granby, CT
- Average rainfall days in May: 11.4 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in May
East Granby, CT
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
East Granby, CT
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
East Granby, 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 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
East Granby, CT
- Average sunshine days in May: 16.9 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is April (16.1 days).
Average UV index in May
East Granby, CT
- 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
East Granby, CT
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
East Granby, CT
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
East Granby, Connecticut, USA
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