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

Monthly weather forecast and climate
Niantic, CT

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Contents

Weather in January

January, the same as December, is a wintry winter month in Niantic, Connecticut, with average temperature varying between 26.2°F (-3.2°C) and 36.1°F (2.3°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 Niantic, is also a wintry month, with average temperature ranging between max 37.9°F (3.3°C) and min 27°F (-2.8°C). In February, 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

March, the first month of the spring, in Niantic, is a frosty month, with average temperature varying between 32.9°F (0.5°C) and 43.3°F (6.3°C). In Niantic, 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 cool spring month in Niantic, Connecticut, with average temperature fluctuating between 42.4°F (5.8°C) and 53.4°F (11.9°C). In Niantic, 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 ranging between min 50.9°F (10.5°C) and max 63.3°F (17.4°C). In May, the average high-temperature rises, from a fresh 53.4°F (11.9°C) in April, to an enjoyable 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 temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 59°F (15°C). In June, the average high-temperature 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 is a warm summer month in Niantic, Connecticut, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 66.7°F (19.3°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 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

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 Niantic, the average high-temperature in September marginally drops, from a warm 77.7°F (25.4°C) in August, to a pleasant 72°F (22.2°C). Weather in September »

Weather in October

October, like September, in Niantic, Connecticut, is another comfortable autumn month, with average temperature varying between 61.7°F (16.5°C) and 50.9°F (10.5°C). In Niantic, the average high-temperature in October 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 another cool month in Niantic, Connecticut, with average temperature fluctuating between 50.9°F (10.5°C) and 40.6°F (4.8°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

The first month of the winter, December, is also a wintry month in Niantic, Connecticut, with average temperature varying between 41.9°F (5.5°C) and 33.3°F (0.7°C). In December, the average high-temperature decreases, from a fresh 50.9°F (10.5°C) in November, to a wintry 41.9°F (5.5°C). Weather in December »

FAQ

What is the coldest month in Niantic?

The coldest month in Niantic 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).

What is the least humid month in Niantic?

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?

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

When does it snow in Niantic?

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

How many days does it snow in Niantic?

In Niantic, 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 Niantic?

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

What month is the ocean coldest in Niantic?

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

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.

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 it does not snow in Niantic?

May through October are months without snowfall in Niantic.

What is the most humid month in Niantic?

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

When are the longest days in Niantic?

June has the longest days of the year in Niantic, Connecticut, 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 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).

What is the month with the warmest ocean 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.

What is the driest month in Niantic?

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

What is the wettest month in Niantic?

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 Niantic?

The month with the shortest days in Niantic, Connecticut, is December, with an average of 9.2h 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).

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%).

Average rainfall
Niantic, CT

Average rainfall - Niantic, CT

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

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 lowest number of rainy days is February (9.5 days).

Average snowfall
Niantic, CT

Average snowfall - Niantic, CT

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

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 lowest number of snowfall days are June, July, August, September and October (0 days).

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).

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 shortest days is December (Average daylight: 9.2h).

The month with most sunshine is August (Average sunshine: 10.6h).
Months with least sunshine are February and December (Average sunshine: 4.9).

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).