New London
Connecticut, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
New London, CT

A part of the city of New London, Connecticut, with intricate buildings overlooking the calm water, and a view of heavy clouds up in the sky
A part of the city of New London, Connecticut, with intricate buildings overlooking the calm water, and a view of heavy clouds up in the sky
January, the same as December, is a wintry winter month in New London, Connecticut, with temperature in the range of an average low of 23.2°F (-4.9°C) and an average high of 37°F (2.8°C). The coldest month is January, with an average high-temperature of 37°F (2.8°C) and an average low-temperature of 23.2°F (-4.9°C). Weather in January »
The last month of the winter, February, is another cold month in New London, Connecticut, with average temperature ranging between min 25.2°F (-3.8°C) and max 39.7°F (4.3°C). In February, the average high-temperature is practically the same as in January - a still wintry 39.7°F (4.3°C). Weather in February »

March, the first month of the spring, in New London, is a frosty month, with average temperature varying between 31.5°F (-0.3°C) and 47.1°F (8.4°C). In March, the average high-temperature marginally rises, from a cold 39.7°F (4.3°C) in February, to a frosty 47.1°F (8.4°C). Weather in March »

April in New London, Connecticut, is a mild spring month, with average temperature fluctuating between 41°F (5°C) and 57.6°F (14.2°C). In April, the average high-temperature increases, from a frosty 47.1°F (8.4°C) in March, to a mild 57.6°F (14.2°C). Weather in April »

May, the last month of the spring, in New London, is a comfortable month, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 67.6°F (19.8°C). In New London, the average high-temperature in May rises, from a moderate 57.6°F (14.2°C) in April, to a comfortable 67.6°F (19.8°C). Weather in May »

The first month of the summer, June, is a warm month in New London, Connecticut, with temperature in the range of an average low of 60.3°F (15.7°C) and an average high of 77°F (25°C). In June, the average high-temperature rises, from an enjoyable 67.6°F (19.8°C) in May, to a moderately hot 77°F (25°C). Weather in June »

July, like June, in New London, Connecticut, is a moderately hot summer month, with average temperature fluctuating between 66.4°F (19.1°C) and 82°F (27.8°C). The warmest month is July, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 66.4°F (19.1°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in New London, Connecticut, with average temperature fluctuating between 65.7°F (18.7°C) and 80.8°F (27.1°C). In New London, Connecticut, the average high-temperature is almost the same as in July - a still warm 80.8°F (27.1°C). Weather in August »

September, the first month of the autumn, in New London, is still a warm month, with average temperature ranging between max 73.9°F (23.3°C) and min 57.9°F (14.4°C). In September, the average high-temperature marginally drops, from 80.8°F (27.1°C) in August, to a still moderately hot 73.9°F (23.3°C). Weather in September »

October, like September, in New London, Connecticut, is another comfortable autumn month, with average temperature fluctuating between 46.4°F (8°C) and 63.1°F (17.3°C). In October, the average high-temperature decreases, from a moderately hot 73.9°F (23.3°C) in September, to a comfortable 63.1°F (17.3°C). Weather in October »

November, the last month of the autumn, in New London, is another cool month, with average temperature ranging between min 37.9°F (3.3°C) and max 53.1°F (11.7°C). In November, the average high-temperature drops, from a comfortable 63.1°F (17.3°C) in October, to a cool 53.1°F (11.7°C). Weather in November »

The first month of the winter, December, is also a wintry month in New London, Connecticut, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 28.4°F (-2°C). In New London, the average high-temperature decreases, from a cool 53.1°F (11.7°C) in November, to a wintry 42.3°F (5.7°C). Weather in December »

What is the coldest month in New London?

January is the coldest month, with an average high-temperature of 37°F (2.8°C) and an average low-temperature of 23.2°F (-4.9°C).

How many days does it rain in New London?

In New London, during the entire year, the rain falls for 121.7 days and collects up to 42.8" (1086.2mm) of precipitation.

When does it snow in New London?

Months with snowfall are January through April, November and December.

How much does it snow in New London?

In New London, during the entire year, snow falls for 14.9 days, and aggregates up to 21.5" (546.1mm) of snow.

What is the snowiest month in New London?

January is the month with the most snowfall in New London, Connecticut. Snow falls for 5 days and accumulates 6.8" (172.7mm) of snow.

What is the driest month in New London?

The month with the least rainfall is February when the rain falls for 9.7 days and typically collects 2.8" (70.9mm) of precipitation.

When is the ocean coldest in New London?

February is the month with the coldest seawater, with an average ocean temperature of 38.8°F (3.8°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the wettest month in New London?

April is the month with the most rainfall. Rain falls for 11 days and accumulates 4.1" (104.9mm) of precipitation.

When are the longest days in New London?

With an average of 15.1h of daylight, June has the longest days of the year in New London.

What is the warmest month in New London?

With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 66.4°F (19.1°C), July is the warmest month.

When is the ocean warmest in New London?

With an average ocean temperature of 72.1°F (22.3°C), August is the month with the warmest seawater. Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 72.1°F (22.3°C) water may be enjoyable.

What is the month with the shortest days in New London?

December has the shortest days of the year in New London, Connecticut, with an average of 9.2h of daylight.
Average temperature - New London, CT
Average rainfall - New London, CT
Average rainfall days - New London, CT

The month with the highest number of rainy days is May (11.8 days).
The month with the lowest number of rainy days is September (8.2 days).

Average snowfall - New London, CT
Average snowfall days - New London, CT

The month with the highest number of snowfall days is January (5 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature - New London, CT

The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).

Average daylight - New London, CT

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