August weather forecast and climate
Niantic, CT

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).

Temperature

In August, the average high-temperature is almost the same as in July - a still moderately hot 77.7°F (25.4°C). The average low-temperature,, is 66.2°F (19°C).

Humidity

In Niantic, the average relative humidity is 78%.

Rainfall

In Niantic, during 13.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Niantic, there are 159.8 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

In Niantic snow does not fall in May through October.

Ocean temperature

The month with the warmest seawater in Niantic is August, with an average ocean temperature of 72.1°F (22.3°C).
Note: 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. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In Niantic, the average length of the day is 13.8h.

Sunshine

The month with the most sunshine is August, with an average of 10.6h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Niantic. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the average humidity in August in Niantic?

The average relative humidity in August in Niantic, Connecticut, is 78%.

How many days does it rain in August in Niantic?

In Niantic, in August, during 13.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Niantic?

May through October are months without snowfall in Niantic.

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 is the water temperature in August in Niantic?

In August, the average ocean temperature in Niantic, Connecticut, is 72.1°F (22.3°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 72.1°F (22.3°C).

How many hours of daylight does Niantic have in August?

The average length of the day in August in Niantic is 13.8h.

What month has the most sunshine in Niantic?

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

How many hours of sunshine does Niantic have in August?

In August, the average sunshine in Niantic, Connecticut, is 10.6h.

What are the months 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 UV index reading in August in Niantic?

In Niantic, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.

Average temperature in August
Niantic, CT

Average temperature in August - Niantic, CT
  • Average high temperature in August: 77.7°F

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).

  • Average low temperature in August: 66.2°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 in August
Niantic, CT

Average pressure in August - Niantic, CT
  • Average pressure in August: 29.98"

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 in August
Niantic, CT

Average wind speed in August - Niantic, CT
  • Average wind speed in August: 7.8mph

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 in August
Niantic, CT

Average humidity in August - Niantic, CT
  • Average humidity in August: 78%

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 in August
Niantic, CT

Average rainfall in August - Niantic, CT
  • Average rainfall in August: 2.36"

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 in August
Niantic, CT

Average rainfall days in August - Niantic, CT
  • Average rainfall days in August: 13.8 days

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 in August
Niantic, CT

Average snowfall in August - Niantic, CT
  • Average snowfall in August: 0"

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 in August
Niantic, CT

Average snowfall days in August - Niantic, CT
  • Average snowfall days in August: 0 days

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 in August
Niantic, CT

Average sea temperature in August - Niantic, CT
  • Average sea temperature in August: 72.1°F

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 in August /
Average sunshine in August
Niantic, CT

Average daylight in August / Average sunshine in August - Niantic, CT
  • Average daylight in August: 13.8h

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

  • Average sunshine in August: 10.6h

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 in August
Niantic, CT

Average sunshine days in August - Niantic, CT
  • Average sunshine days in August: 14.6 days

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 in August
Niantic, CT

Average UV index in August - Niantic, CT
  • Average UV index in August: 6

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 cloud cover in August
Niantic, CT

Average cloud cover in August - Niantic, CT
  • Average cloud cover in August: 29

Months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Niantic, CT

Average visibility in August - Niantic, CT
  • Average visibility in August: 6mi

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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