April weather forecast
Crystal Lake, CT

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Weather in April

April in Crystal Lake, Connecticut, is a refreshing spring month, with an average temperature varying between 38.8°F (3.8°C) and 56.3°F (13.5°C).

Temperature

April marks a rise in the average high-temperature, moving from March's chilly 43.3°F (6.3°C) to a moderate 56.3°F (13.5°C). Throughout the month of April, Crystal Lake expects an average low of 38.8°F (3.8°C).

Humidity

April is the least humid month, with an average relative humidity of 71%.

Rainfall

In April, the rain falls for 10.8 days. Throughout April, 0.87" (22mm) of precipitation is accumulated. In Crystal Lake, during the entire year, the rain falls for 105.6 days and collects up to 9.84" (250mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Crystal Lake. In Crystal Lake, in April, during 1.1 snowfall days, 0.55" (14mm) of snow is typically accumulated. Throughout the year, there are 23.1 snowfall days, and 4.69" (119mm) of snow is accumulated.

Daylight

In Crystal Lake, the average length of the day in April is 13h and 23min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:15 pm. On the last day of April, in Crystal Lake, sunrise is at 5:45 am and sunset at 7:47 pm EDT.

Sunshine

In Crystal Lake, Connecticut, the average sunshine in April is 8.1h.

UV index

In April, the average daily maximum UV index is 3. 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 average daily UV index of 3 in April transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in April in Crystal Lake?

An average high-temperature, in April, in Crystal Lake, is 56.3°F (13.5°C) and the average low-temperature is 38.8°F (3.8°C).

What is the least humid month in Crystal Lake?

April is the least humid month, with an average relative humidity of 71%.

What is the average humidity in April in Crystal Lake?

The average relative humidity in April in Crystal Lake, Connecticut, is 71%.

How many days does it rain in April in Crystal Lake?

In Crystal Lake, in April, it is raining for 10.8 days, with typically 0.87" (22mm) of accumulated precipitation.

How much does it snow in Crystal Lake in April?

In Crystal Lake, Connecticut, during April, snow falls for 1.1 days and regularly aggregates up to 0.55" (14mm) of snow.

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

In April, the average day length in Crystal Lake, Connecticut, is 13h and 23min.

What time are sunrise and sunset in April in Crystal Lake?

In April, on the first day of the month, sunrise is at 6:30 am and sunset at 7:15 pm. On the last day of the month, in Crystal Lake, Connecticut, sunrise is at 5:45 am and sunset at 7:47 pm EDT.

How many hours of sunshine does Crystal Lake have in April?

In April, the average sunshine duration is 8.1h.

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

The average daily maximum UV index in April is 3. A UV Index value 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 April
Crystal Lake, CT

Average temperature in April - Crystal Lake, CT
  • Average high temperature in April: 56.3°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 April: 38.8°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 April
Crystal Lake, CT

Average pressure in April - Crystal Lake, CT
  • Average pressure in April: 29.97"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 April
Crystal Lake, CT

Average wind speed in April - Crystal Lake, CT
  • Average wind speed in April: 7.8mph

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 April
Crystal Lake, CT

Average humidity in April - Crystal Lake, CT
  • Average humidity in April: 71%

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 April
Crystal Lake, CT

Average rainfall in April - Crystal Lake, CT
  • Average rainfall in April: 0.87"

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 April
Crystal Lake, CT

Average rainfall days in April - Crystal Lake, CT
  • Average rainfall days in April: 10.8 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 April
Crystal Lake, CT

Average snowfall in April - Crystal Lake, CT
  • Average snowfall in April: 0.55"

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 April
Crystal Lake, CT

Average snowfall days in April - Crystal Lake, CT
  • Average snowfall days in April: 1.1 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 April /
Average sunshine in April
Crystal Lake, CT

Average daylight in April / Average sunshine in April - Crystal Lake, CT
  • Average daylight in April: 13h and 2min

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 April: 8h and 1min

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 April
Crystal Lake, CT

Average sunshine days in April - Crystal Lake, CT
  • Average sunshine days in April: 17.2 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 April
Crystal Lake, CT

Average UV index in April - Crystal Lake, CT
  • Average UV index in April: 3

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 April
Crystal Lake, CT

Average cloud cover in April - Crystal Lake, CT
  • Average cloud cover in April: 46

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 April
Crystal Lake, CT

Average visibility in April - Crystal Lake, CT
  • Average visibility in April: 6mi

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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