April weather forecast
Stamford, CT

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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 brings cheer and warmth, Arlingtonians can now enjoy the bright and blooming city in a more pleasant weather. The average high temperature has jumped to 55.4°F (13°C), embracing a notable upward shift from March. Substantiated by a significant increase in sunshine hours, the new spring bloom is truly underway. The city also experiences its highest number of wet days annually but the spirits of its occupants remain unsoaked, undeterred, and unequivocally lively.

Temperature

Stamford's transition into April sees a rise in the average high-temperature, advancing from a chilly 44.6°F (7°C) in March to a refreshing 55.4°F (13°C). Stamford's nights in April cool down to an average low-temperature of 43.3°F (6.3°C).

Humidity

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

Rainfall

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

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.5 snowfall days, in April, 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, in April, the average water temperature is 44.2°F (6.8°C).
Note: It is life-risking to swim in 44.2°F (6.8°C). Briefly staying in 55.4°F (13°C) waters feels unsettling, and temperatures below 50°F (10°C) might result in cold shock and loss of breath control, hinging on personal endurance.

Daylight

The average length of the day in April is 13h and 20min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of April, sunrise is at 5:52 am and sunset at 7:50 pm EDT.

Sunshine

In April, the average sunshine is 8.3h.

UV index

The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 3 in April translates into these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

What is the average April temperature?

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

What is the least humid month?

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

What is the average humidity in April?

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

How much does it rain in Stamford in April?

In April, the rain falls for 15.9 days. Throughout April, 3.15" (80mm) of precipitation is accumulated.

What is the last month it snows?

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

What is the ocean temperature in April?

In Stamford, the average seawater temperature in April is 44.2°F (6.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in April?

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

When is the sunrise / 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, sunrise is at 5:52 am and sunset at 7:50 pm EDT.

How many hours of sunshine does Stamford have in April?

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

What is the UV index reading in April?

In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in April: 8h and 2min

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).

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).

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).

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).

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).

Stamford, Connecticut, USA

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