April weather forecast
Stonington, CT

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The classy and nice riverside homes by the Mystic River in Stonington, Connecticut
The classy and nice riverside homes by the Mystic River in Stonington, Connecticut

Weather in April

April represents a further nudge towards warmer weather in Stonington, showing a distinct transition from winter to spring. The city witnesses lesser rainfall compared to the previous month and a near absence of snowfall. More daylight hours start to brighten the city, enhancing its picturesque coastal scenery. Residents enjoy the pleasing temperatures during this period, engaging in outdoor pleasures to the fullest. The month concludes on a milder note, paving the way for May.

Temperature

April's onset witnesses a shift in the average high-temperature, moving from a chilly 43.3°F (6.3°C) in March to a cool 52.5°F (11.4°C). April witnesses an average low-temperature hovering around a cold 42.4°F (5.8°C).

Humidity

January, March, April and November, with an average relative humidity of 74%, are the least humid months.

Rainfall

In Stonington, in April, it is raining for 16 days, with typically 3.23" (82mm) of accumulated precipitation. In Stonington, Connecticut, during the entire year, the rain falls for 166.1 days and collects up to 34.09" (866mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.7 snowfall days, in April, Stonington aggregates 0.2" (5mm) of snow. Throughout the year, there are 24.7 snowfall days, and 7.87" (200mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 21min.
On the first day of April, sunrise is at 6:29 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:44 pm EDT.

Sunshine

The average sunshine in April is 8.4h.

UV index

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 3 during April, leads to the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Boost your sun resistance with garments that are densely woven yet spacious. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April?

April temperatures vary between a high-temperature of 52.5°F (11.4°C) and a low-temperature of 42.4°F (5.8°C).

What are the least humid months?

The months with the lowest humidity in Stonington, Connecticut, are January, March, April and November, with an average relative humidity of 74%.

What is the average humidity in April?

In Stonington, Connecticut, the average relative humidity in April is 74%.

How much does it rain in April?

In Stonington, during April, the rain falls for 16 days and regularly aggregates up to 3.23" (82mm) of precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 0.7 snowfall days, in April, Stonington aggregates 0.2" (5mm) of snow.

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

The average day length in April is 13h and 21min.

What time are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:29 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:44 pm EDT.

How long on average sun shines in April?

In April, the average sunshine duration in Stonington is 8.4h.

How high is the UV index in April?

In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Stonington, CT

Average temperature in April - Stonington, CT
  • Average high temperature in April: 52.5°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in April: 42.4°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

Average pressure in April
Stonington, CT

Average pressure in April - Stonington, CT
  • Average pressure in April: 29.98"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).

Average wind speed in April
Stonington, CT

Average wind speed in April - Stonington, CT
  • Average wind speed in April: 11.1mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

Average humidity in April
Stonington, CT

Average humidity in April - Stonington, CT
  • Average humidity in April: 74%

The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are January, March, April and November (74%).

Average rainfall in April
Stonington, CT

Average rainfall in April - Stonington, CT
  • Average rainfall in April: 3.23"

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in April
Stonington, CT

Average rainfall days in April - Stonington, CT
  • Average rainfall days in April: 16 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.1 days).

Average snowfall in April
Stonington, CT

Average snowfall in April - Stonington, CT
  • Average snowfall in April: 0.2"

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

Average snowfall days in April
Stonington, CT

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

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

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

Average daylight in April / Average sunshine in April - Stonington, 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 August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in April
Stonington, CT

Average sunshine days in April - Stonington, CT
  • Average sunshine days in April: 12.4 days

The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are June and July (11.7 days).

Average UV index in April
Stonington, CT

Average UV index in April - Stonington, 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 and December (UV index 2).

Average cloud cover in April
Stonington, CT

Average cloud cover in April - Stonington, CT
  • Average cloud cover in April: 44

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in April
Stonington, CT

Average visibility in April - Stonington, 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).

Stonington, Connecticut, USA

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