May weather forecast and climate
Stafford, CT

Weather in May

The last month of the spring, May, is a pleasant month in Stafford, Connecticut, with average temperature varying between 48.6°F (9.2°C) and 68.4°F (20.2°C).

Temperature

In Stafford, the average high-temperature rises, from a moderate 56.3°F (13.5°C) in April, to an agreeable 68.4°F (20.2°C). In Stafford, in May, the average low-temperature is 48.6°F (9.2°C).

Humidity

The average relative humidity in Stafford, Connecticut, is 75%.

Rainfall

The wettest months are May through July, with an average 1.1" (28mm) of rainfall.

Snowfall

Months with snowfall in Stafford are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Stafford aggregates 0.04" (1mm) of snow. Throughout the year, in Stafford, there are 23.1 snowfall days, and 4.69" (119mm) of snow is accumulated.

Daylight

The average length of the day in May is 14.6h.

Sunshine

The average sunshine in Stafford is 8.3h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 average humidity in May in Stafford?

The average relative humidity in May in Stafford, Connecticut, is 75%.

What is the wettest month in Stafford?

Months with the most rainfall in Stafford, Connecticut, are May through July, with an average 1.1" (28mm) of precipitation.

How many days does it rain in May in Stafford?

In May, in Stafford, Connecticut, the rain falls for 11.5 days. Throughout May, 1.1" (28mm) of precipitation is accumulated.

What is the last month it snows in Stafford?

May is the last month it regularly snows in Stafford, Connecticut. During 0.1 snowfall days, in May, Stafford aggregates 0.04" (1mm) of snow.

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

The average length of the day in May in Stafford, Connecticut, is 14.6h.

How many hours of sunshine does Stafford have in May?

In Stafford, Connecticut, the average sunshine in May is 8.3h.

What is the UV index reading in May in Stafford?

In May, the average daily maximum UV index in Stafford, Connecticut, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in May
Stafford, CT

Average temperature in May - Stafford, CT
  • Average high temperature in May: 68.4°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.4°F).

  • Average low temperature in May: 48.6°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
Stafford, CT

Average pressure in May - Stafford, CT
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is November (30.08").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in May
Stafford, CT

Average wind speed in May - Stafford, CT
  • Average wind speed in May: 6.6mph

The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in May
Stafford, CT

Average humidity in May - Stafford, CT
  • Average humidity in May: 75%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in May
Stafford, CT

Average rainfall in May - Stafford, CT
  • Average rainfall in May: 1.1"

The wettest months (with the highest rainfall) are May, June and July (1.1").
The driest month (with the least rainfall) is September (0.39").

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Average rainfall days in May
Stafford, CT

Average rainfall days in May - Stafford, CT
  • Average rainfall days in May: 11.5 days

The month with the highest number of rainy days is June (12.1 days).
Months with the least rainy days are January and February (5.5 days).

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Average snowfall in May
Stafford, CT

Average snowfall in May - Stafford, CT
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (1.5").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Stafford, CT

Average snowfall days in May - Stafford, CT
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (6.4 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
Stafford, CT

Average daylight in May / Average sunshine in May - Stafford, 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: 8.3h

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
Stafford, CT

Average sunshine days in May - Stafford, CT
  • Average sunshine days in May: 17.3 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.7 days).

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Average UV index in May
Stafford, CT

Average UV index in May - Stafford, 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
Stafford, CT

Average cloud cover in May - Stafford, CT
  • Average cloud cover in May: 48

Months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Stafford, CT

Average visibility in May - Stafford, 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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