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

August weather forecast and climate
Southport, CT

The last month of the summer, August, is also a moderately hot month in Southport, Connecticut, with average temperature ranging between min 68.4°F (20.2°C) and max 80.1°F (26.7°C).

Temperature

In Southport, the average high-temperature is relatively the same as in July - a still moderately hot 80.1°F (26.7°C). In Southport, Connecticut, the average low-temperature is 68.4°F (20.2°C).

Humidity

The average relative humidity in Southport is 73%.

Rainfall

In Southport, it is raining for 17 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, there are 170.1 rainfall days, and 37.76" (959mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Southport, Connecticut.

Ocean temperature

August is the month with the warmest seawater in Southport, with an average ocean temperature of 73°F (22.8°C).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73°F (22.8°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

The average length of the day in Southport is 13.8h.

Sunshine

In August, the average sunshine is 10.5h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Southport. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in August in Southport?

The average high-temperature, in August, in Southport, Connecticut, is 80.1°F (26.7°C), while the average low-temperature is 68.4°F (20.2°C).

What is the average humidity in August in Southport?

In Southport, the average relative humidity in August is 73%.

How much does it rain in Southport in August?

In Southport, in August, it is raining for 17 days, with typically 3.35" (85mm) of accumulated precipitation.

When it does not snow in Southport?

May through October are months without snowfall.

When is the ocean warmest in Southport?

With an average ocean temperature of 73°F (22.8°C), August is the month with the warmest seawater in Southport.

How warm is the water in August in Southport?

In Southport, in August, the average water temperature is 73°F (22.8°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73°F (22.8°C) water.

How many hours of daylight does Southport have in August?

In August, the average length of the day is 13.8h.

How many hours of sunshine does Southport have in August?

In Southport, the average sunshine in August is 10.5h.

When is the highest UV index in Southport?

Months with the highest UV index in Southport are June through August, with an average maximum UV index of 6.

How high is the UV index in August in Southport?

The average daily maximum UV index in August in Southport, Connecticut, is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.
Average temperature in August - Southport, CT
  • Average high temperature in August: 80.1°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 August: 68.4°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 August - Southport, CT
  • Average humidity in August: 73%

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 August - Southport, CT
  • Average rainfall in August: 3.35"

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 August - Southport, CT
  • Average rainfall days in August: 17 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 August - Southport, CT
  • Average snowfall in August: 0"

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 August - Southport, CT
  • Average snowfall days in August: 0 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 August - Southport, CT
  • Average sea temperature in August: 73°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 August / Average sunshine in August - Southport, CT
  • Average daylight in August: 13.8h

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 August: 10.5h

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 August - Southport, CT
  • Average UV index in August: 6

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).