May weather forecast
Suffield, CT

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Weather in May

The last month of the spring, May, is a pleasant month in Suffield, Connecticut, with an average temperature ranging between min 48.7°F (9.3°C) and max 68.5°F (20.3°C).

Temperature

As Suffield enters May, the average high-temperature increases from the a mild 56.5°F (13.6°C) of April to a pleasant 68.5°F (20.3°C). During May, Suffield observes a consistent average nighttime temperature of 48.7°F (9.3°C).

Humidity

In May, the average relative humidity is 74%.

Rainfall

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

Snowfall

Months with snowfall in Suffield are January through May, November and December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Suffield aggregates 0.04" (1mm) of snow. In Suffield, Connecticut, during the entire year, snow falls for 23.9 days and aggregates up to 5.63" (143mm) of snow.

Daylight

The average length of the day in May is 14h and 35min.
On the first day of the month, sunrise is at 5:45 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:17 am and sunset at 8:19 pm EDT.

Sunshine

The average sunshine in May in Suffield is 8.5h.

UV index

In Suffield, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, an average UV index of 5 transforms into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Suffield in May?

In May, the average high-temperature and low-temperature in Suffield are 68.5°F (20.3°C) and 48.7°F (9.3°C) respectively.

What is the average humidity in May in Suffield?

In Suffield, Connecticut, the average relative humidity in May is 74%.

How much does it rain in Suffield in May?

In Suffield, during May, the rain falls for 11.4 days and regularly aggregates up to 1.06" (27mm) of precipitation.

What is the last month it snows in Suffield?

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

What is the average length of the day in May in Suffield?

In May, the average day length is 14h and 35min.

When is the sunrise / sunset in May in Suffield?

In May, on the first day of the month, sunrise is at 5:45 am and sunset at 7:50 pm. On the last day of the month, in Suffield, Connecticut, sunrise is at 5:17 am and sunset at 8:19 pm EDT.

How many hours of sunshine does Suffield have in May?

The average sunshine duration in May in Suffield is 8.5h.

How high is the UV index in May in Suffield?

In Suffield, Connecticut, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Suffield, CT

Average temperature in May - Suffield, 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
Suffield, CT

Average pressure in May - Suffield, 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
Suffield, CT

Average wind speed in May - Suffield, 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
Suffield, CT

Average humidity in May - Suffield, 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
Suffield, CT

Average rainfall in May - Suffield, 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
Suffield, CT

Average rainfall days in May - Suffield, 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
Suffield, CT

Average snowfall in May - Suffield, 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
Suffield, CT

Average snowfall days in May - Suffield, 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
Suffield, CT

Average daylight in May / Average sunshine in May - Suffield, 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
Suffield, CT

Average sunshine days in May - Suffield, 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
Suffield, CT

Average UV index in May - Suffield, 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
Suffield, CT

Average cloud cover in May - Suffield, 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
Suffield, CT

Average visibility in May - Suffield, 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).

Suffield, Connecticut, USA

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