Monthly weather forecast and climate
Niantic, CT

Weather in January

January, the same as December, is another cold winter month in Niantic, Connecticut, with average temperature ranging between max 36.1°F (2.3°C) and min 26.2°F (-3.2°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

February, the last month of the winter, in Niantic, is another cold month, with average temperature ranging between min 27°F (-2.8°C) and max 37.9°F (3.3°C). In Niantic, Connecticut, the average high-temperature is essentially the same as in January - a still wintry 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 average temperature varying between 32.9°F (0.5°C) and 43.3°F (6.3°C). In March, the average high-temperature marginally rises, 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 in Niantic, Connecticut, is a cool spring month, 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 fresh 53.4°F (11.9°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Niantic, Connecticut, with average temperature varying between 50.9°F (10.5°C) and 63.3°F (17.4°C). In May, the average high-temperature rises, 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

The first month of the summer, June, is a pleasant month in Niantic, Connecticut, with average temperature varying between 59°F (15°C) and 71.4°F (21.9°C). In Niantic, the average high-temperature slightly increases, from an enjoyable 63.3°F (17.4°C) in May, to an agreeable 71.4°F (21.9°C). Weather in June »

Weather in July

July in Niantic, 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

August, the last month of the summer, in Niantic, is another warm month, with temperature in the range of an average low of 66.2°F (19°C) and an average high of 77.7°F (25.4°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 77.7°F (25.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Niantic, Connecticut, with average temperature fluctuating between 72°F (22.2°C) and 59.9°F (15.5°C). In September, the average high-temperature slightly decreases, 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 Niantic, Connecticut, is another enjoyable autumn month, with average temperature varying between 50.9°F (10.5°C) and 61.7°F (16.5°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 Niantic, is also a fresh month, with average temperature ranging between min 40.6°F (4.8°C) and max 50.9°F (10.5°C). In November, the average high-temperature decreases, from an enjoyable 61.7°F (16.5°C) in October, to a fresh 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 average temperature fluctuating between 33.3°F (0.7°C) and 41.9°F (5.5°C). In Niantic, the average high-temperature drops, from a cool 50.9°F (10.5°C) in November, to a wintry 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, 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?

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

How much does it rain in Niantic?

In Niantic, Connecticut, 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?

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

How much does it snow in Niantic?

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

When is 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 in Niantic.

What month 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 in Niantic.

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.

When does it snow the most in Niantic?

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

When it does not snow in Niantic?

May through October are months without snowfall in Niantic.

What is the most humid month in Niantic?

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

When are the longest days in Niantic?

The month with the longest days in Niantic, Connecticut, is June, with an average of 15.1h of daylight.

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

Months with the highest UV index in Niantic, Connecticut, are June through August, with an average maximum UV index of 6.

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?

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

What month has the most sunshine in Niantic?

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

What is the driest month in Niantic?

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

What is the rainiest month in Niantic?

The month with the most rainfall in Niantic 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 Niantic?

With an average of 9.2h of daylight, December has the shortest days of the year in Niantic.

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").
The month with the lowest atmospheric pressure is June (29.93").

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

The month with the most sunshine is August (Average sunshine: 10.6h).
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

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).

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Average visibility
Niantic, CT

Average visibility - Niantic, CT

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

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