May weather forecast
Ballouville, CT

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Weather in May

The last month of the spring, May, is a comfortable month in Ballouville, Connecticut, with an average temperature ranging between min 48.9°F (9.4°C) and max 66.7°F (19.3°C).

Temperature

May's arrival coincides with a rise in the average high-temperature, moving from April's mild 55.6°F (13.1°C) to an enjoyable 66.7°F (19.3°C). Ballouville observes an average nighttime low-temperature of 48.9°F (9.4°C) during the month of May.

Humidity

In May, the average relative humidity is 76%.

Rainfall

In Ballouville, during May, the rain falls for 16.9 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, in Ballouville, there are 163 rainfall days, and 33.86" (860mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in May is 14h and 34min.
On the first day of May in Ballouville, sunrise is at 5:42 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 8:15 pm EDT.

Sunshine

The average sunshine in May in Ballouville is 8.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Ballouville in May?

An average high-temperature, in May, in Ballouville, is 66.7°F (19.3°C) and the average low-temperature is 48.9°F (9.4°C).

What is the average humidity in May in Ballouville?

In May, the average relative humidity is 76%.

How many days does it rain in May in Ballouville?

In Ballouville, Connecticut, during May, the rain falls for 16.9 days and regularly aggregates up to 2.8" (71mm) of precipitation.

What is the last month it snows in Ballouville?

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

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

In Ballouville, Connecticut, the average day length in May is 14h and 34min.

When is the sunrise / sunset in May in Ballouville?

In May, on the first day of the month, sunrise is at 5:42 am and sunset at 7:46 pm. On the last day of the month, in Ballouville, Connecticut, sunrise is at 5:14 am and sunset at 8:15 pm EDT.

How long on average sun shines in May in Ballouville?

The average sunshine duration in May is 8.2h.

How high is the UV index in May in Ballouville?

In Ballouville, Connecticut, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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%

The 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").
The 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).
The 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: 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 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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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

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).

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Average cloud cover in May
Ballouville, CT

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

The 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

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

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Ballouville, Connecticut, USA

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