April weather forecast and climate
Hartford, CT

The city of Hartford, Connecticut with the roads leading to the town, and trees on roadsides
The city of Hartford, Connecticut with the roads leading to the town, and trees on roadsides

Weather in April

April is a moderate spring month in Hartford, Connecticut, with temperature in the range of an average low of 39.9°F (4.4°C) and an average high of 56.5°F (13.6°C).

Temperature

In April, the average high-temperature rises, from a chilly 43.9°F (6.6°C) in March, to a moderate 56.5°F (13.6°C). The average low-temperature, in Hartford, is 39.9°F (4.4°C).

Humidity

With an average relative humidity of 70%, April is the least humid month.

Rainfall

In Hartford, during April, the rain falls for 11.1 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, in Hartford, there are 113.2 rainfall days, and 10.24" (260mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Hartford. In Hartford, Connecticut, snow falls for 0.7 days, with typically accumulated 0.24" (6mm) of snow. Throughout the year, in Hartford, there are 21.5 snowfall days, and 4.45" (113mm) of snow is accumulated.

Daylight

The average length of the day in April is 13.4h.

Sunshine

In Hartford, the average sunshine in April is 8.3h.

UV index

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 temperature in April in Hartford?

In Hartford, in April, the average high-temperature is 56.5°F (13.6°C), and the average low-temperature is 39.9°F (4.4°C).

What is the least humid month in Hartford?

With an average relative humidity of 70%, April is the least humid month in Hartford, Connecticut.

What is the average humidity in April in Hartford?

In Hartford, Connecticut, the average relative humidity in April is 70%.

How much does it rain in Hartford in April?

In April, in Hartford, Connecticut, the rain falls for 11.1 days. Throughout April, 0.98" (25mm) of precipitation is accumulated.

How much does it snow in Hartford in April?

In Hartford, during April, snow falls for 0.7 days and regularly aggregates up to 0.24" (6mm) of snow.

How many hours of daylight does Hartford have in April?

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

How long on average sun shines in April in Hartford?

In April, the average sunshine is 8.3h.

What is the UV index reading in April in Hartford?

The average daily maximum UV index in April in Hartford is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in April
Hartford, CT

Average temperature in April - Hartford, CT
  • Average high temperature in April: 56.5°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in April: 39.9°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

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Average pressure in April
Hartford, CT

Average pressure in April - Hartford, 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
Hartford, CT

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

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in April
Hartford, CT

Average humidity in April - Hartford, CT
  • Average humidity in April: 70%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in April
Hartford, CT

Average rainfall in April - Hartford, CT
  • Average rainfall in April: 0.98"

The wettest months (with the highest rainfall) are June and July (1.06").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in April
Hartford, CT

Average rainfall days in April - Hartford, CT
  • Average rainfall days in April: 11.1 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in April
Hartford, CT

Average snowfall in April - Hartford, CT
  • Average snowfall in April: 0.24"

The month with the highest snowfall is February (1.14").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in April
Hartford, CT

Average snowfall days in April - Hartford, CT
  • Average snowfall days in April: 0.7 days

The month with the highest number of snowfall days is February (5.7 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
Hartford, CT

Average daylight in April / Average sunshine in April - Hartford, 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: 8.3h

Months with the most sunshine are July and August (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in April
Hartford, CT

Average sunshine days in April - Hartford, CT
  • Average sunshine days in April: 16.9 days

Months with the most sunshine days are January and November (20.4 days).
The month with the least sunshine days is June (16.3 days).

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Average UV index in April
Hartford, CT

Average UV index in April - Hartford, 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
Hartford, CT

Average cloud cover in April - Hartford, CT
  • Average cloud cover in April: 45

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in April
Hartford, CT

Average visibility in April - Hartford, 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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