May weather forecast
Ballouville, CT

Weather in May

May, the last month of the spring, in Ballouville, is an enjoyable month, with average temperature fluctuating between 48.9°F (9.4°C) and 66.7°F (19.3°C).

Temperature

In May, the average high-temperature increases, from a moderate 55.6°F (13.1°C) in April, to an enjoyable 66.7°F (19.3°C). The average low-temperature,, is 48.9°F (9.4°C).

Humidity

In Ballouville, the average relative humidity is 76%.

Rainfall

In Ballouville, in May, it is raining for 16.9 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 163 rainfall days, and 33.86" (860mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Ballouville, Connecticut. May is the last month it regularly snows in Ballouville. During 0.2 snowfall days, in May, Ballouville aggregates 0.28" (7mm) of snow. Throughout the year, in Ballouville, Connecticut, there are 30.6 snowfall days, and 14.02" (356mm) of snow is accumulated.

Daylight

The average length of the day is 14.6h.

Sunshine

The average sunshine is 8.2h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
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 Ballouville?

In Ballouville, the average relative humidity in May is 76%.

How much does it rain in Ballouville in May?

In Ballouville, in May, during 16.9 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

What is the last month it snows in Ballouville?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Ballouville aggregates 0.28" (7mm) of snow.

How many hours of daylight does Ballouville have in May?

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

How many hours of sunshine does Ballouville have in May?

The average sunshine in May in Ballouville is 8.2h.

What is the UV index intensity in May in Ballouville?

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

Average temperature in May
Ballouville, CT

Average temperature in May - Ballouville, CT
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 48.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in May
Ballouville, CT

Average pressure in May - Ballouville, 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
Ballouville, CT

Average wind speed in May - Ballouville, CT
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in May
Ballouville, CT

Average humidity in May - Ballouville, CT
  • Average humidity in May: 76%

Months with the highest relative humidity are February, June, July, September and October (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in May
Ballouville, CT

Average rainfall in May - Ballouville, CT
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in May
Ballouville, CT

Average rainfall days in May - Ballouville, CT
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in May
Ballouville, CT

Average snowfall in May - Ballouville, CT
  • Average snowfall in May: 0.28"

The month with the highest snowfall is March (3.7").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Ballouville, CT

Average snowfall days in May - Ballouville, CT
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (7.8 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Ballouville, CT

Average daylight in May / Average sunshine in May - Ballouville, 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: 8.2h

Months with the most sunshine are July and August (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in May
Ballouville, CT

Average sunshine days in May - Ballouville, CT
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.6 days).

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Average UV index in May
Ballouville, CT

Average UV index in May - Ballouville, 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
Ballouville, CT

Average cloud cover in May - Ballouville, 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
Ballouville, CT

Average visibility in May - Ballouville, CT
  • Average visibility in May: 5mi

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

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