Southport
Connecticut, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Southport, CT

April is a cool spring month in Southport, Connecticut, with temperature in the range of an average high of 54.7°F (12.6°C) and an average low of 43.2°F (6.2°C).

Temperature

In Southport, the average high-temperature rises, from a chilly 44.2°F (6.8°C) in March, to a cool 54.7°F (12.6°C). In April, the average low-temperature is 43.2°F (6.2°C).

Humidity

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

Rainfall

In Southport, during 15.8 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Southport, during the entire year, the rain falls for 170.1 days and collects up to 37.76" (959mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. April is the last month it regularly snows in Southport. During 0.6 snowfall days, in April, Southport aggregates 0.08" (2mm) of snow. In Southport, during the entire year, snow falls for 24.9 days, and aggregates up to 9.41" (239mm) of snow.

Ocean temperature

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

Sunshine

The average sunshine in Southport, Connecticut, is 8.5h.

UV index

In Southport, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in April in Southport?

The average high-temperature, in April, in Southport, is 54.7°F (12.6°C), while the average low-temperature is 43.2°F (6.2°C).

What is the least humid month in Southport?

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

What is the average humidity in April in Southport?

The average relative humidity in April is 72%.

How many days does it rain in April in Southport?

In Southport, Connecticut, in April, it is raining for 15.8 days, with typically 3.15" (80mm) of accumulated precipitation.

What is the last month it snows in Southport?

April is the last month it regularly snows in Southport, Connecticut. During 0.6 snowfall days, in April, Southport aggregates 0.08" (2mm) of snow.

What is the ocean temperature in April in Southport?

In April, the average ocean temperature in Southport, Connecticut, is 44.2°F (6.8°C). 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.

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

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

How many hours of sunshine does Southport have in April?

The average sunshine in April is 8.5h.

What is the UV index intensity in April in Southport?

The average daily maximum UV index in April in Southport, Connecticut, is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.
Average temperature in April - Southport, CT
  • Average high temperature in April: 54.7°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in April: 43.2°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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

Months with the highest relative humidity are May and June (76%).
Months with the lowest relative humidity are April and November (72%).

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

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is January (2.48").

Average rainfall days in April - Southport, CT
  • Average rainfall days in April: 15.8 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.4 days).

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

The month with the highest snowfall is March (2.8").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April - Southport, CT
  • Average snowfall days in April: 0.6 days

The month with the highest number of snowfall days is January (7.1 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in April - Southport, CT
  • Average sea temperature in April: 44.2°F

The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (39°F).

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

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in April: 8.5h

The month with the most sunshine is July (Average sunshine: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

Average UV index in April - Southport, 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).