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 arrival of May brings a temperature shift, with the average high-temperature escalating from a moderate 56.1°F (13.4°C) in April to an agreeable 68.5°F (20.3°C). Granby, in the month of May, anticipates a consistent average low-temperature of 47.8°F (8.8°C).Humidity
In May, the average relative humidity is 74%.Rainfall
In Granby, during May, the rain falls for 13.8 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 130.2 rainfall days, and 19.25" (489mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows in Granby. During 0.1 snowfall days, in May, Granby aggregates 0.24" (6mm) of snow. In Granby, during the entire year, snow falls for 24.5 days and aggregates up to 7.68" (195mm) of snow.Daylight
In Granby, the average length of the day in May is 14h and 35min.On the first day of May, sunrise is at 5:46 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 in Granby is 8.7h.UV index
The average daily maximum UV index in May in Granby, Connecticut, is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Granby?
What is the average humidity in May in Granby?
How much does it rain in Granby in May?
What is the last month it snows in Granby?
How many hours of daylight does Granby have in May?
What time are sunrise and sunset in May in Granby?
How long on average sun shines in May in Granby?
What is the UV index reading in May in Granby?
Average temperature in May
Granby, CT
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Granby, CT
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Granby, CT
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
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
Granby, CT
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in May
Granby, CT
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in May
Granby, CT
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (2.48").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Granby, CT
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
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 4min
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
Granby, CT
- Average sunshine days in May: 14.9 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in May
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
Granby, CT
- Average cloud cover in May: 45
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
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).
Granby, Connecticut, USA
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