Climate and monthly weather forecast
New London, CT

A part of the city of New London, Connecticut, with intricate buildings overlooking the calm water
A part of the city of New London, Connecticut, with intricate buildings overlooking the calm water

Weather in January

January, the same as December, is a wintry winter month in New London, Connecticut, with temperature in the range of an average high of 36.1°F (2.3°C) and an average low of 26.2°F (-3.2°C). With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 26.2°F (-3.2°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in New London, is also a wintry month, with an average temperature varying between 27°F (-2.8°C) and 37.9°F (3.3°C). In New London, the average high-temperature in February is almost the same as in January - a still wintry 37.9°F (3.3°C). Weather in February »

Weather in March

March, the first month of the spring in New London, is a frosty month, with an average temperature fluctuating between 32.9°F (0.5°C) and 43.3°F (6.3°C). In New London, Connecticut, the average high-temperature in March slightly increases from a wintry 37.9°F (3.3°C) in February to a frosty 43.3°F (6.3°C). Weather in March »

Weather in April

April is a fresh spring month in New London, Connecticut, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 53.4°F (11.9°C). In April, the average high-temperature rises from a frosty 43.3°F (6.3°C) in March to a cool 53.4°F (11.9°C). Weather in April »

Weather in May

May, the last month of the spring in New London, is an enjoyable month, with an average temperature varying between 50.9°F (10.5°C) and 63.3°F (17.4°C). In New London, Connecticut, the average high-temperature in May rises from a fresh 53.4°F (11.9°C) in April to a comfortable 63.3°F (17.4°C). Weather in May »

Weather in June

June, the first month of the summer in New London, is a pleasant month, with an average temperature ranging between max 71.4°F (21.9°C) and min 59°F (15°C). In New London, the average high-temperature in June slightly increases from a comfortable 63.3°F (17.4°C) in May to a pleasant 71.4°F (21.9°C). Weather in June »

Weather in July

July in New London, Connecticut, is a moderately hot summer month, with temperature in the range of an average low of 66.7°F (19.3°C) and an average high of 78.6°F (25.9°C). With an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 66.7°F (19.3°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in New London, Connecticut, with an average temperature fluctuating between 66.2°F (19°C) and 77.7°F (25.4°C). In August, the average high-temperature is essentially the same as in July - a still moderately hot 77.7°F (25.4°C). Weather in August »

Weather in September

September, the first month of the autumn in New London, is still a pleasant month, with an average temperature varying between 72°F (22.2°C) and 59.9°F (15.5°C). In September, the average high-temperature marginally drops from a warm 77.7°F (25.4°C) in August to an agreeable 72°F (22.2°C). Weather in September »

Weather in October

October, like September, in New London, Connecticut, is another enjoyable autumn month, with an average temperature ranging between max 61.7°F (16.5°C) and min 50.9°F (10.5°C). In October, the average high-temperature drops from a pleasant 72°F (22.2°C) in September to an enjoyable 61.7°F (16.5°C). Weather in October »

Weather in November

November, the last month of the autumn in New London, is also a fresh month, with an average temperature fluctuating between 50.9°F (10.5°C) and 40.6°F (4.8°C). In New London, the average high-temperature in November drops from an enjoyable 61.7°F (16.5°C) in October to a cool 50.9°F (10.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in New London, Connecticut, with an average temperature fluctuating between 41.9°F (5.5°C) and 33.3°F (0.7°C). In December, the average high-temperature decreases from a cool 50.9°F (10.5°C) in November to a wintry 41.9°F (5.5°C). Weather in December »
[Resources]

FAQ

What is the coldest month in New London?

With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 26.2°F (-3.2°C), January is the coldest month.

What is the least humid month in New London?

The months with the lowest humidity are January, March, April and November, with an average relative humidity of 74%.

How much does it rain in New London?

Throughout the year, there are 159.8 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

When does it snow in New London?

Months with snowfall in New London, Connecticut, are January through April, November and December.

How many days does it snow in New London?

In New London, during the entire year, snow falls for 24 days and aggregates up to 7.68" (195mm) of snow.

What are the months with the lowest UV index in New London?

The months with the lowest UV index in New London are January through March, November and December, with an average maximum UV index of 2.

When is the ocean coldest in New London?

February is the month with the coldest seawater in New London, with an average ocean temperature of 38.8°F (3.8°C).

What are the months with the least sunshine in New London?

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in New London.

What is the snowiest month in New London?

The month with the most snowfall in New London is March, when snow falls for 5.1 days and typically aggregates up to 2.56" (65mm) of snow.

When is Daylight Saving Time (DST) in New London?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in New London, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in New London?

May through October are months without snowfall in New London, Connecticut.

What is the most humid month in New London?

With an average relative humidity of 80%, June is the most humid month.

When are the longest days in New London?

With an average of 15h and 7min of daylight, June has the longest days of the year in New London, Connecticut.

What is the month with the highest UV index in New London?

June through August, with an average maximum UV index of 6, are months with the highest UV index in New London, Connecticut.

What is the warmest month in New London?

July is the warmest month, with an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 66.7°F (19.3°C).

What month 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 in New London, Connecticut.

What month has the most sunshine in New London?

With an average of 10.6h of sunshine, August has the most sunshine of the year in New London, Connecticut.

What is the driest month in New London?

The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.65" (42mm) of precipitation.

What is the rainiest month in New London?

The month with the most rainfall is December, when the rain falls for 13.4 days and typically aggregates up to 3.86" (98mm) of precipitation.

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

December has the shortest days of the year, with an average of 9h and 15min of daylight.

Average temperature
New London, CT

Average temperature - New London, CT

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (36.1°F).

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

[Resources]

Average pressure
New London, CT

Average pressure - New London, CT

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed
New London, CT

Average wind speed - New London, CT

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

[Resources]

Average humidity
New London, CT

Average humidity - New London, CT

The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).

[Resources]

Average rainfall
New London, CT

Average rainfall - New London, CT

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.65").

[Resources]

Average rainfall days
New London, CT

Average rainfall days - New London, CT

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (9.5 days).

[Resources]

Average snowfall
New London, CT

Average snowfall - New London, CT

The month with the highest snowfall is March (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days
New London, CT

Average snowfall days - New London, CT

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average sea temperature
New London, CT

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).

[Resources]

Average daylight / Average sunshine
New London, CT

Average daylight / Average sunshine - New London, CT

The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 15min).

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

[Resources]

Average sunshine days
New London, CT

Average sunshine days - New London, CT

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (12.5 days).

[Resources]

Average UV index
New London, CT

Average UV index - New London, CT

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average visibility
New London, CT

Average visibility - New London, CT

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location