May weather forecast and climate
East Granby, CT

Weather in May

The last month of the spring, May, is an agreeable month in East Granby, Connecticut, with average temperature varying between 68.5°F (20.3°C) and 48.7°F (9.3°C).

Temperature

In May, the average high-temperature rises, from a mild 56.5°F (13.6°C) in April, to an agreeable 68.5°F (20.3°C). In East Granby, in May, the average low-temperature is 48.7°F (9.3°C).

Humidity

In East Granby, Connecticut, the average relative humidity is 74%.

Rainfall

In East Granby, during 11.4 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 113.2 rainfall days, and 10.91" (277mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in East Granby. May is the last month it regularly snows in East Granby, Connecticut. 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

In East Granby, the average length of the day is 14.6h.

Sunshine

The average sunshine in East Granby is 8.5h.

UV index

In East Granby, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in East Granby?

The average high-temperature, in May, in East Granby, is 68.5°F (20.3°C), while the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in May in East Granby?

The average relative humidity in May in East Granby is 74%.

How many days does it rain in May in East Granby?

In East Granby, in May, during 11.4 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

What is the last month it snows in East Granby?

May is the last month it regularly snows. During 0.2 snowfall days, in May, East Granby aggregates 0.04" (1mm) of snow.

How many hours of daylight does East Granby have in May?

In East Granby, the average length of the day in May is 14.6h.

How long on average sun shines in May in East Granby?

The average sunshine in May in East Granby, Connecticut, is 8.5h.

What is the UV index reading in May in East Granby?

The average daily maximum UV index in May in East Granby, Connecticut, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in May
East Granby, CT

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).

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Average pressure in May
East Granby, CT

Average pressure in May - East Granby, CT
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in May
East Granby, CT

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).

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Average humidity in May
East Granby, CT

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%).

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Average rainfall in May
East Granby, CT

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").

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Average rainfall days in May
East Granby, CT

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).

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Average snowfall in May
East Granby, CT

Average snowfall in May - East Granby, CT
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (1.77").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
East Granby, CT

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).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
East Granby, CT

Average daylight in May / Average sunshine in May - East Granby, CT
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in May: 8.5h

Months with the most sunshine are July and August (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in May
East Granby, CT

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).

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Average UV index in May
East Granby, CT

Average UV index in May - East Granby, CT
  • Average UV index in May: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in May
East Granby, CT

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).

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Average visibility in May
East Granby, CT

Average visibility in May - East Granby, CT
  • Average visibility in May: 5mi

Months with the highest visibility are January, March, April, October, November and December (6mi).
Months with the lowest visibility are February, May, June, July, August and September (5mi).

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