Climate and monthly weather forecast
Niantic, CT

Weather in January

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

Weather in February

The last month of the winter, February, is also a wintry month in Niantic, Connecticut, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 37.9°F (3.3°C). In Niantic, the average high-temperature in February is relatively the same as in January - a still cold 37.9°F (3.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Niantic, Connecticut, with an average temperature ranging between min 32.9°F (0.5°C) and max 43.3°F (6.3°C). In Niantic, the average high-temperature in March slightly increases from a cold 37.9°F (3.3°C) in February to a chilly 43.3°F (6.3°C). Weather in March »

Weather in April

April is a cool spring month in Niantic, Connecticut, with an average temperature varying between 42.4°F (5.8°C) and 53.4°F (11.9°C). In Niantic, the average high-temperature in April increases 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

The last month of the spring, May, is a comfortable month in Niantic, Connecticut, with an average temperature fluctuating between 63.3°F (17.4°C) and 50.9°F (10.5°C). In Niantic, the average high-temperature in May increases from a cool 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 Niantic, is a pleasant month, with temperature in the range of an average low of 59°F (15°C) and an average high of 71.4°F (21.9°C). In Niantic, Connecticut, the average high-temperature in June marginally rises from an enjoyable 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 Niantic, Connecticut, is a moderately hot summer month, with an average temperature varying between 66.7°F (19.3°C) and 78.6°F (25.9°C). 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). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Niantic, Connecticut, with an average temperature ranging between min 66.2°F (19°C) and max 77.7°F (25.4°C). In August, the average high-temperature is relatively the same as in July - a still warm 77.7°F (25.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Niantic, is also an agreeable month, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 72°F (22.2°C). In September, the average high-temperature marginally drops from a moderately hot 77.7°F (25.4°C) in August to a pleasant 72°F (22.2°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Niantic, Connecticut, 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

The last month of the autumn, November, is also a fresh month in Niantic, Connecticut, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 50.9°F (10.5°C). In Niantic, the average high-temperature in November drops from a comfortable 61.7°F (16.5°C) in October to a cool 50.9°F (10.5°C). Weather in November »

Weather in December

December, the first month of the winter in Niantic, is still a cold month, with an average temperature ranging between max 41.9°F (5.5°C) and min 33.3°F (0.7°C). In December, the average high-temperature drops from a cool 50.9°F (10.5°C) in November to a cold 41.9°F (5.5°C). Weather in December »
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FAQ

What is the coldest month in Niantic?

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

What are the least humid months in Niantic?

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

How much does it rain in Niantic?

In Niantic, during the entire year, the rain falls for 159.8 days and collects up to 33.07" (840mm) of precipitation.

When does it snow in Niantic?

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

How much does it snow in Niantic?

Throughout the year, in Niantic, there are 24 snowfall days, and 7.68" (195mm) of snow is accumulated.

What are the months with the lowest UV index in Niantic?

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

When is the ocean coldest in Niantic?

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

What is the month with the least sunshine in Niantic?

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

What is the snowiest month in Niantic?

The month with the most snowfall 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 Niantic?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, 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 Niantic?

In Niantic, snow does not fall in May through October.

What is the most humid month in Niantic?

The most humid month is June, with an average relative humidity of 80%.

When are the longest days in Niantic?

June has the longest days of the year in Niantic, with an average of 15h and 7min of daylight.

What is the month with the highest UV index in Niantic?

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

What is the warmest month in Niantic?

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

When is the ocean warmest in Niantic?

The month with the warmest seawater in Niantic, Connecticut, is August, with an average ocean temperature of 72.1°F (22.3°C).

What month has the most sunshine in Niantic?

With an average of 10.6h of sunshine, August has the most sunshine of the year in Niantic.

What is the driest month in Niantic?

September is the month with the least rainfall in Niantic. Rain falls for 12 days and accumulates 1.65" (42mm) of precipitation.

What is the wettest month in Niantic?

December is the month with the most rainfall in Niantic. Rain falls for 13.4 days and accumulates 3.86" (98mm) of precipitation.

What is the month with the shortest days in Niantic?

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

Average temperature
Niantic, CT

Average temperature - Niantic, 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).

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Average pressure
Niantic, CT

Average pressure - Niantic, 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).

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Average wind speed
Niantic, CT

Average wind speed - Niantic, 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).

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Average humidity
Niantic, CT

Average humidity - Niantic, 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%).

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Average rainfall
Niantic, CT

Average rainfall - Niantic, CT

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

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Average rainfall days
Niantic, CT

Average rainfall days - Niantic, 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).

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Average snowfall
Niantic, CT

Average snowfall - Niantic, 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").

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Average snowfall days
Niantic, CT

Average snowfall days - Niantic, 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).

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Average sea temperature
Niantic, CT

Average sea temperature - Niantic, 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).

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Average daylight / Average sunshine
Niantic, CT

Average daylight / Average sunshine - Niantic, 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: 10.6h).
The months with the least sunshine are February and December (Average sunshine: 4.9).

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Average sunshine days
Niantic, CT

Average sunshine days - Niantic, 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).

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Average UV index
Niantic, CT

Average UV index - Niantic, 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).

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Average visibility
Niantic, CT

Average visibility - Niantic, 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).

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