August weather forecast
Seymour, CT

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Weather in August

The last month of the summer, August, is another warm month in Seymour, Connecticut, with an average temperature varying between 64°F (17.8°C) and 80.4°F (26.9°C).

Temperature

The high-temperature average in August for Seymour is a still moderately hot 80.4°F (26.9°C), staying closely aligned with July's conditions. Seymour experiences a steady low-temperature of 64°F (17.8°C) throughout August.

Humidity

The average relative humidity in August is 75%.

Rainfall

In August, in Seymour, the rain falls for 12.1 days. Throughout August, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Seymour, there are 118.8 rainfall days, and 9.61" (244mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Seymour, Connecticut, the average length of the day in August is 13h and 47min.
On the first day of the month, sunrise is at 5:48 am and sunset at 8:09 pm. On the last day of August, in Seymour, Connecticut, sunrise is at 6:18 am and sunset at 7:26 pm EDT.

Sunshine

July and August, with an average of 10.4h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index in Seymour are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the temperature in August in Seymour?

Seymour in August has an average high-temperature of 80.4°F (26.9°C) and an average low-temperature of 64°F (17.8°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in August in Seymour?

In August, the average relative humidity is 75%.

How many days does it rain in August in Seymour?

In Seymour, Connecticut, in August, during 12.1 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When it does not snow in Seymour?

April through October are months without snowfall in Seymour.

How many hours of daylight does Seymour have in August?

In Seymour, Connecticut, the average day length in August is 13h and 47min.

When is the sunrise / sunset in August in Seymour?

On the first day of August, sunrise is at 5:48 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:26 pm EDT.

What are the months with the most sunshine in Seymour?

July and August, with an average of 10.4h of sunshine, are months with the most sunshine in Seymour, Connecticut.

How many hours of sunshine does Seymour have in August?

In August, the average sunshine duration is 10.4h.

What are the months with the highest UV index in Seymour?

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

How high is the UV index in August in Seymour?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
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
Seymour, CT

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

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in August
Seymour, CT

Average pressure in August - Seymour, 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
Seymour, CT

Average wind speed in August - Seymour, CT
  • Average wind speed in August: 5.6mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in August
Seymour, CT

Average humidity in August - Seymour, CT
  • Average humidity in August: 75%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in August
Seymour, CT

Average rainfall in August - Seymour, CT
  • Average rainfall in August: 0.87"

The wettest month (with the highest rainfall) is July (1.22").
The driest months (with the least rainfall) are January and February (0.47").

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Average rainfall days in August
Seymour, CT

Average rainfall days in August - Seymour, CT
  • Average rainfall days in August: 12.1 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in August
Seymour, CT

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

The month with the highest snowfall is December (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Seymour, CT

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

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
Seymour, CT

Average sunshine days in August - Seymour, CT
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (13.9 days).

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Average UV index in August
Seymour, CT

Average UV index in August - Seymour, 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
Seymour, CT

Average cloud cover in August - Seymour, CT
  • Average cloud cover in August: 31

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in August
Seymour, CT

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

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

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Seymour, Connecticut, USA

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