August weather forecast
Plymouth, CT

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Weather in August

The last month of the summer, August, is also a moderately hot month in Plymouth, Connecticut, with an average temperature ranging between max 80.4°F (26.9°C) and min 61.3°F (16.3°C).

Temperature

Plymouth, Connecticut, experiences a recorded average high-temperature of a still warm 80.4°F (26.9°C) in August, closely aligned with July's 82.4°F (28°C). Nighttime temperature dips to a mean of 61.3°F (16.3°C) during August.

Humidity

In August, the average relative humidity in Plymouth, Connecticut, is 76%.

Rainfall

In August, the rain falls for 17.5 days. Throughout August, 3.03" (77mm) of precipitation is accumulated. In Plymouth, Connecticut, during the entire year, the rain falls for 170 days and collects up to 35.43" (900mm) of precipitation.

Snowfall

June through September are months without snowfall in Plymouth.

Daylight

In August, the average length of the day is 13h and 48min.
On the first day of the month, sunrise is at 5:47 am and sunset at 8:09 pm. On the last day of August, in Plymouth, Connecticut, sunrise is at 6:17 am and sunset at 7:26 pm EDT.

Sunshine

The months with the most sunshine in Plymouth are July and August, with an average of 10.2h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Plymouth. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What are August temperatures in Plymouth?

In Plymouth, in August, the average high-temperature is 80.4°F (26.9°C), and the average low-temperature is 61.3°F (16.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is computed to be 89.6°F (32°C).

What is the average humidity in August in Plymouth?

The average relative humidity in August in Plymouth, Connecticut, is 76%.

How many days does it rain in August in Plymouth?

In Plymouth, in August, it is raining for 17.5 days, with typically 3.03" (77mm) of accumulated precipitation.

When it does not snow in Plymouth?

In Plymouth, snow does not fall in June through September.

How many hours of daylight does Plymouth have in August?

In Plymouth, the average day length in August is 13h and 48min.

What time are sunrise and sunset in August in Plymouth?

In August, on the first day of the month, sunrise is at 5:47 am and sunset at 8:09 pm. On the last day of the month, in Plymouth, Connecticut, sunrise is at 6:17 am and sunset at 7:26 pm EDT.

What is the month with the most sunshine in Plymouth?

July and August, with an average of 10.2h of sunshine, are months with the most sunshine in Plymouth.

How long on average sun shines in August in Plymouth?

The average sunshine duration in August in Plymouth is 10.2h.

When is the highest UV index in Plymouth?

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

What is the UV index intensity in August in Plymouth?

The average daily maximum UV index in August in Plymouth, Connecticut, is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Plymouth, CT

Average temperature in August - Plymouth, CT
  • Average high temperature in August: 80.4°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in August
Plymouth, CT

Average pressure in August - Plymouth, CT
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Plymouth, CT

Average wind speed in August - Plymouth, CT
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in August
Plymouth, CT

Average humidity in August - Plymouth, CT
  • Average humidity in August: 76%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in August
Plymouth, CT

Average rainfall in August - Plymouth, CT
  • Average rainfall in August: 3.03"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days in August
Plymouth, CT

Average rainfall days in August - Plymouth, CT
  • Average rainfall days in August: 17.5 days

The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in August
Plymouth, CT

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

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Plymouth, CT

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

The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Plymouth, CT

Average daylight in August / Average sunshine in August - Plymouth, CT
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 10h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in August
Plymouth, CT

Average sunshine days in August - Plymouth, CT
  • Average sunshine days in August: 10.9 days

The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is June (10 days).

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Average UV index in August
Plymouth, CT

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

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 cloud cover in August
Plymouth, CT

Average cloud cover in August - Plymouth, CT
  • Average cloud cover in August: 35

The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in August
Plymouth, CT

Average visibility in August - Plymouth, CT
  • Average visibility in August: 5mi

The months with the highest visibility are January, April, October, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August and September (5mi).

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Plymouth, Connecticut, USA

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