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

October weather forecast and climate
Southport, CT

October, like September, in Southport, Connecticut, is another comfortable autumn month, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 52.2°F (11.2°C).

Temperature

In Southport, the average high-temperature in October decreases, from a pleasant 73°F (22.8°C) in September, to an enjoyable 61.9°F (16.6°C). In Southport, Connecticut, in October, the average low-temperature is 52.2°F (11.2°C).

Humidity

The average relative humidity in Southport, Connecticut, is 74%.

Rainfall

In Southport, during 14.7 rainfall days, 3.54" (90mm) 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

May through October are months without snowfall in Southport.

Ocean temperature

In October, the average ocean temperature is 62.6°F (17°C).
Note: For swimming, a surface water temperature of 62.6°F (17°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

In Southport, the average length of the day is 11.1h.

Sunshine

The average sunshine in Southport is 5.9h.

UV index

The average daily maximum UV index in Southport, Connecticut, is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Southport?

The average high-temperature, in October, in Southport, Connecticut, is 61.9°F (16.6°C), while the average low-temperature is 52.2°F (11.2°C).

What is the average humidity in October in Southport?

In October, the average relative humidity in Southport, Connecticut, is 74%.

How much does it rain in Southport in October?

In Southport, in October, during 14.7 rainfall days, 3.54" (90mm) of precipitation is typically accumulated.

Does it snow in Southport in October?

In Southport, Connecticut, in October, it doesn't snow. In November, it regularly snows.

When it does not snow in Southport?

In Southport snow does not fall in May through October.

What is the ocean temperature in October in Southport?

In Southport, in October, the average water temperature is 62.6°F (17°C). For most, swimming in 62.6°F (17°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

How many hours of daylight does Southport have in October?

The average length of the day in October in Southport is 11.1h.

How long on average sun shines in October in Southport?

In Southport, the average sunshine in October is 5.9h.

What is the UV index reading in October in Southport?

The average daily maximum UV index in October in Southport is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.
Average temperature in October - Southport, CT
  • Average high temperature in October: 61.9°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 October: 52.2°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 October - Southport, CT
  • Average humidity in October: 74%

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 October - Southport, CT
  • Average rainfall in October: 3.54"

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 October - Southport, CT
  • Average rainfall days in October: 14.7 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 October - Southport, CT
  • Average snowfall in October: 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 October - Southport, CT
  • Average snowfall days in October: 0.1 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 October - Southport, CT
  • Average sea temperature in October: 62.5°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 October / Average sunshine in October - Southport, CT
  • Average daylight in October: 11.1h

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 October: 5.9h

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 October - Southport, CT
  • Average UV index in October: 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).