April weather forecast
Waterbury, CT

Weather in April

April is a moderate spring month in Waterbury, Connecticut, with average temperature varying between 39.7°F (4.3°C) and 56.7°F (13.7°C).

Temperature

In Waterbury, the average high-temperature rises, from a frosty 44.1°F (6.7°C) in March, to a mild 56.7°F (13.7°C). In Waterbury, Connecticut, in April, the average low-temperature is 39.7°F (4.3°C).

Humidity

The least humid month in Waterbury is April, with an average relative humidity of 72%.

Rainfall

In Waterbury, during 15 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Waterbury, during the entire year, the rain falls for 158.5 days and collects up to 34.57" (878mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Waterbury. In Waterbury, during 1.6 snowfall days, 1.46" (37mm) of snow is typically accumulated. Throughout the year, in Waterbury, there are 34.9 snowfall days, and 20.35" (517mm) of snow is accumulated.

Daylight

The average length of the day is 13.4h.

Sunshine

The average sunshine in Waterbury, Connecticut, is 8.1h.

UV index

The average daily maximum UV index in Waterbury, Connecticut, is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the least humid month in Waterbury?

With an average relative humidity of 72%, April is the least humid month in Waterbury, Connecticut.

What is the average humidity in April in Waterbury?

The average relative humidity in April is 72%.

How many days does it rain in April in Waterbury?

In Waterbury, Connecticut, in April, it is raining for 15 days, with typically 2.99" (76mm) of accumulated precipitation.

How much does it snow in Waterbury in April?

In Waterbury, Connecticut, during April, snow falls for 1.6 days and regularly aggregates up to 1.46" (37mm) of snow.

What is the average length of the day in April in Waterbury?

In April, the average length of the day is 13.4h.

How many hours of sunshine does Waterbury have in April?

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

What is the UV index reading in April in Waterbury?

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in April
Waterbury, CT

Average temperature in April - Waterbury, CT
  • Average high temperature in April: 56.7°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in April: 39.7°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 (21.4°F).

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Average pressure in April
Waterbury, CT

Average pressure in April - Waterbury, CT
  • Average pressure in April: 29.98"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in April
Waterbury, CT

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

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in April
Waterbury, CT

Average humidity in April - Waterbury, CT
  • Average humidity in April: 72%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in April
Waterbury, CT

Average rainfall in April - Waterbury, CT
  • Average rainfall in April: 2.99"

The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is September (2.13").

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Average rainfall days in April
Waterbury, CT

Average rainfall days in April - Waterbury, CT
  • Average rainfall days in April: 15 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in April
Waterbury, CT

Average snowfall in April - Waterbury, CT
  • Average snowfall in April: 1.46"

The month with the highest snowfall is February (5.39").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Waterbury, CT

Average snowfall days in April - Waterbury, CT
  • Average snowfall days in April: 1.6 days

The month with the highest number of snowfall days is February (9.2 days).
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
Waterbury, CT

Average daylight in April / Average sunshine in April - Waterbury, CT
  • Average daylight in April: 13.4h

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 April: 8.1h

Months with the most sunshine are July and August (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in April
Waterbury, CT

Average sunshine days in April - Waterbury, CT
  • Average sunshine days in April: 12.9 days

The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is June (11.1 days).

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Average UV index in April
Waterbury, CT

Average UV index in April - Waterbury, CT
  • Average UV index in April: 3

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 April
Waterbury, CT

Average cloud cover in April - Waterbury, CT
  • Average cloud cover in April: 47

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in April
Waterbury, CT

Average visibility in April - Waterbury, CT
  • Average visibility in April: 6mi

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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