April weather forecast
Stamford, CT

A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above
A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above

Weather in April

April in Stamford, Connecticut, is a mild spring month, with an average temperature varying between 55.4°F (13°C) and 43.3°F (6.3°C).

Temperature

In Stamford, the average high-temperature in April rises from a chilly 44.6°F (7°C) in March to a mild 55.4°F (13°C). In Stamford, the average low-temperature is 43.3°F (6.3°C).

Humidity

April, August and November, with an average relative humidity of 72%, are the least humid months.

Rainfall

In Stamford, during 15.9 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Stamford, during the entire year, the rain falls for 164.1 days and collects up to 37.95" (964mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. April is the last month it regularly snows in Stamford, Connecticut. During 0.5 snowfall days, Stamford aggregates 0.08" (2mm) of snow. In Stamford, during the entire year, snow falls for 23.2 days and aggregates up to 8.66" (220mm) of snow.

Ocean temperature

In Stamford, Connecticut, the average seawater temperature in April is 44.2°F (6.8°C).
Note: Swimming in 44.2°F (6.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In April, the average length of the day is 13h and 20min.
On the first day of April in Stamford, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:49 pm EDT.

Sunshine

The average sunshine in April is 8.3h.

UV index

In April, the average daily maximum UV index in Stamford is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Stamford?

In April, the average high-temperature is 55.4°F (13°C), and the average low-temperature is 43.3°F (6.3°C).

What is the least humid month in Stamford?

April, August and November, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in April in Stamford?

In April, the average relative humidity in Stamford is 72%.

How many days does it rain in April in Stamford?

In Stamford, in April, it is raining for 15.9 days, with typically 3.15" (80mm) of accumulated precipitation.

What is the last month it snows in Stamford?

April is the last month it regularly snows in Stamford. During 0.5 snowfall days, in April, Stamford aggregates 0.08" (2mm) of snow.

What is the water temperature in April in Stamford?

In April, the average ocean temperature in Stamford is 44.2°F (6.8°C). Swimming in 44.2°F (6.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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

In Stamford, the average day length in April is 13h and 20min.

What time are sunrise and sunset in April in Stamford?

In April, on the first day of the month, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of the month, in Stamford, Connecticut, sunrise is at 5:52 am and sunset at 7:49 pm EDT.

How many hours of sunshine does Stamford have in April?

In Stamford, Connecticut, the average sunshine duration in April is 8.3h.

What is the UV index reading in April in Stamford?

In Stamford, Connecticut, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Stamford, CT

Average temperature in April - Stamford, CT
  • Average high temperature in April: 55.4°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in April: 43.3°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure in April
Stamford, CT

Average pressure in April - Stamford, CT
  • Average pressure in April: 29.98"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in April
Stamford, CT

Average wind speed in April - Stamford, CT
  • Average wind speed in April: 9.2mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in April
Stamford, CT

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

The months with the highest relative humidity are February, May, June and December (75%).
The months with the lowest relative humidity are April, August and November (72%).

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Average rainfall in April
Stamford, CT

Average rainfall in April - Stamford, CT
  • Average rainfall in April: 3.15"

The wettest month (with the highest rainfall) is July (4.25").
The driest months (with the least rainfall) are January and February (2.36").

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Average rainfall days in April
Stamford, CT

Average rainfall days in April - Stamford, CT
  • Average rainfall days in April: 15.9 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in April
Stamford, CT

Average snowfall in April - Stamford, CT
  • Average snowfall in April: 0.08"

The months with the highest snowfall are February and March (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Stamford, CT

Average snowfall days in April - Stamford, CT
  • Average snowfall days in April: 0.5 days

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in April
Stamford, CT

Average sea temperature in April - Stamford, CT
  • Average sea temperature in April: 44.3°F

The best month for swimming (with the highest average sea temperature) is August (73.1°F).
The coldest month (with the lowest average sea temperature) is February (39.5°F).

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Average daylight in April /
Average sunshine in April
Stamford, CT

Average daylight in April / Average sunshine in April - Stamford, CT
  • Average daylight in April: 13h and 20min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 17min).

  • Average sunshine in April: 8h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in April
Stamford, CT

Average sunshine days in April - Stamford, CT
  • Average sunshine days in April: 12.8 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (10.7 days).

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Average UV index in April
Stamford, CT

Average UV index in April - Stamford, 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
Stamford, CT

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

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in April
Stamford, CT

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

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

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