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

Monthly weather forecast and climate
Stonington, CT

The classy and nice riverside homes by the Mystic River in Stonington, Connecticut, in the fall, a mirror image in the water
The classy and nice riverside homes by the Mystic River in Stonington, Connecticut, in the fall, a mirror image in the water
January, like December, in Stonington, Connecticut, is a wintry winter month, with average temperature varying between 19.9°F (-6.7°C) and 37.9°F (3.3°C). January is the coldest month, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 19.9°F (-6.7°C). Weather in January »
February, the last month of the winter, in Stonington, is also a wintry month, with average temperature fluctuating between 21.9°F (-5.6°C) and 39°F (3.9°C). In Stonington, the average high-temperature in February is practically the same as in January - a still cold 39°F (3.9°C). Weather in February »

March, the first month of the spring, in Stonington, is a frosty month, with average temperature fluctuating between 46.9°F (8.3°C) and 28.9°F (-1.7°C). In Stonington, the average high-temperature slightly increases, from a wintry 39°F (3.9°C) in February, to a chilly 46.9°F (8.3°C). Weather in March »

April is a moderate spring month in Stonington, Connecticut, with average temperature varying between 37.9°F (3.3°C) and 55.9°F (13.3°C). In Stonington, the average high-temperature in April increases, from a chilly 46.9°F (8.3°C) in March, to a mild 55.9°F (13.3°C). Weather in April »

May, the last month of the spring, in Stonington, is an enjoyable month, with average temperature varying between 48°F (8.9°C) and 66°F (18.9°C). In May, the average high-temperature rises, from a mild 55.9°F (13.3°C) in April, to an enjoyable 66°F (18.9°C). Weather in May »

June, the first month of the summer, in Stonington, is a moderately hot month, with average temperature fluctuating between 57°F (13.9°C) and 75°F (23.9°C). In Stonington, the average high-temperature in June rises, from a comfortable 66°F (18.9°C) in May, to a moderately hot 75°F (23.9°C). Weather in June »

July, like June, in Stonington, Connecticut, is another warm summer month, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 63°F (17.2°C). The warmest month is July, with an average high-temperature of 81°F (27.2°C) and an average low-temperature of 63°F (17.2°C). Weather in July »

August, the last month of the summer, in Stonington, is also a moderately hot month, with average temperature varying between 62.1°F (16.7°C) and 80.1°F (26.7°C). In Stonington, the average high-temperature is relatively the same as in July - a still moderately hot 80.1°F (26.7°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Stonington, Connecticut, with average temperature varying between 73°F (22.8°C) and 55°F (12.8°C). In September, the average high-temperature slightly decreases, from a moderately hot 80.1°F (26.7°C) in August, to an agreeable 73°F (22.8°C). Weather in September »

October, like September, in Stonington, Connecticut, is another enjoyable autumn month, with temperature in the range of an average high of 62.1°F (16.7°C) and an average low of 43°F (6.1°C). In October, the average high-temperature drops, from an agreeable 73°F (22.8°C) in September, to a comfortable 62.1°F (16.7°C). Weather in October »

The last month of the autumn, November, is also a fresh month in Stonington, Connecticut, with average temperature fluctuating between 35.1°F (1.7°C) and 53.1°F (11.7°C). In Stonington, the average high-temperature decreases, from an enjoyable 62.1°F (16.7°C) in October, to a cool 53.1°F (11.7°C). Weather in November »

December, the first month of the winter, in Stonington, is also a frosty month, with average temperature varying between 43°F (6.1°C) and 26.1°F (-3.3°C). In Stonington, the average high-temperature in December drops, from a cool 53.1°F (11.7°C) in November, to a frosty 43°F (6.1°C). Weather in December »

What is the coldest month in Stonington?

With an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 19.9°F (-6.7°C), January is the coldest month in Stonington.

How much does it rain in Stonington?

During the entire year, Stonington aggregates up to 48.7" (1237.5mm) of precipitation.

When are the longest days in Stonington?

June has the longest days of the year, with an average of 15.1h of daylight.

What is the warmest month in Stonington?

July is the warmest month, with an average high-temperature of 81°F (27.2°C) and an average low-temperature of 63°F (17.2°C).

What is the driest month in Stonington?

The month with the least rainfall in Stonington is July when 3.3" (84.1mm) of precipitation is typically aggregated.

What is the rainiest month in Stonington?

November is the month with the most rainfall in Stonington, Connecticut, with 4.5" (114.6mm) of accumulated precipitation.

What is the month with the shortest days in Stonington?

With an average of 9.2h of daylight, December has the shortest days of the year in Stonington, Connecticut.
Average rainfall - Stonington, CT

Wettest months (with the highest rainfall) are March, August and November (4.5").
The driest month (with the lowest rainfall) is July (3.3").

Average daylight - Stonington, CT

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.2h).