May weather forecast
Crystal Lake, CT

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Weather in May

The last month of the spring, May, is an agreeable month in Crystal Lake, Connecticut, with temperature in the range of an average low of 48.6°F (9.2°C) and an average high of 68.4°F (20.2°C).

Temperature

The shift into May is marked by a rise in the average high-temperature, moving from April's refreshing 56.3°F (13.5°C) to an agreeable 68.4°F (20.2°C). May in Crystal Lake, Connecticut, is noted for a mean low-temperature of 48.6°F (9.2°C).

Humidity

In May, the average relative humidity is 75%.

Rainfall

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

Snowfall

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

Daylight

In May, the average length of the day is 14h and 35min.
On the first day of May, sunrise is at 5:44 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:17 pm EDT.

Sunshine

The average sunshine in May in Crystal Lake is 8.3h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: During May, 5 as the daily maximum UV index converts into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. 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 Crystal Lake in May?

The average high-temperature and low-temperature in Crystal Lake during May are 68.4°F (20.2°C) and 48.6°F (9.2°C) respectively.

What is the average humidity in May in Crystal Lake?

In May, the average relative humidity is 75%.

What is the wettest month in Crystal Lake?

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

How much does it rain in Crystal Lake in May?

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

What is the last month it snows in Crystal Lake?

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

How many hours of daylight does Crystal Lake have in May?

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

When is the sunrise / sunset in May in Crystal Lake?

In May, on the first day of the month, sunrise is at 5:44 am and sunset at 7:48 pm. On the last day of the month, in Crystal Lake, Connecticut, sunrise is at 5:16 am and sunset at 8:17 pm EDT.

How long on average sun shines in May in Crystal Lake?

In May, the average sunshine duration is 8.3h.

What is the UV index reading in May in Crystal Lake?

In Crystal Lake, Connecticut, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from 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
Crystal Lake, CT

Average temperature in May - Crystal Lake, 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
Crystal Lake, CT

Average pressure in May - Crystal Lake, 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
Crystal Lake, CT

Average wind speed in May - Crystal Lake, 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
Crystal Lake, CT

Average humidity in May - Crystal Lake, 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
Crystal Lake, CT

Average rainfall in May - Crystal Lake, 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
Crystal Lake, CT

Average rainfall days in May - Crystal Lake, CT
  • Average rainfall days in May: 11.5 days

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

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Average snowfall in May
Crystal Lake, CT

Average snowfall in May - Crystal Lake, CT
  • Average snowfall in May: 0.04"

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

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Average snowfall days in May
Crystal Lake, CT

Average snowfall days in May - Crystal Lake, CT
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (6.4 days).
The 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
Crystal Lake, CT

Average daylight in May / Average sunshine in May - Crystal Lake, 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 2min

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).

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Average sunshine days in May
Crystal Lake, CT

Average sunshine days in May - Crystal Lake, 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
Crystal Lake, CT

Average UV index in May - Crystal Lake, 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
Crystal Lake, CT

Average cloud cover in May - Crystal Lake, 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
Crystal Lake, CT

Average visibility in May - Crystal Lake, 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).

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Crystal Lake, Connecticut, USA

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