August weather forecast
Wilton, CT

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Weather in August

The last month of the summer, August, is also a moderately hot month in Wilton, Connecticut, with an average temperature ranging between max 80.2°F (26.8°C) and min 66.7°F (19.3°C).

Temperature

The introduction of August sees an average high-temperature of a still moderately hot 80.2°F (26.8°C), hardly deviating from July. Wilton in August anticipates an average nighttime temperature of 66.7°F (19.3°C).

Humidity

In August, the average relative humidity is 74%.

Rainfall

In Wilton, in August, during 16.8 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In Wilton, during the entire year, the rain falls for 170.2 days and collects up to 38.62" (981mm) of precipitation.

Snowfall

In Wilton, snow does not fall in May through October.

Daylight

In Wilton, the average length of the day in August is 13h and 46min.
On the first day of August in Wilton, sunrise is at 5:50 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:27 pm EDT.

Sunshine

The average sunshine in August is 10.4h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What is the average August temperature in Wilton?

An average high-temperature, in August, in Wilton, is 80.2°F (26.8°C) and the average low-temperature is 66.7°F (19.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is evaluated at 86°F (30°C).

What is the average humidity in August in Wilton?

In Wilton, the average relative humidity in August is 74%.

How many days does it rain in August in Wilton?

In Wilton, Connecticut, in August, it is raining for 16.8 days, with typically 3.5" (89mm) of accumulated precipitation.

When it does not snow in Wilton?

May through October are months without snowfall in Wilton.

What is the average length of the day in August in Wilton?

In August, the average day length is 13h and 46min.

What time are sunrise and sunset in August in Wilton?

In August, on the first day of the month, sunrise is at 5:50 am and sunset at 8:10 pm. On the last day of the month, in Wilton, sunrise is at 6:19 am and sunset at 7:27 pm EDT.

How long on average sun shines in August in Wilton?

In Wilton, Connecticut, the average sunshine duration in August is 10.4h.

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

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

What is the UV index intensity in August in Wilton?

The average daily maximum UV index in August in Wilton is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Wilton, CT

Average temperature in August - Wilton, CT
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in August
Wilton, CT

Average pressure in August - Wilton, 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
Wilton, CT

Average wind speed in August - Wilton, CT
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity in August
Wilton, CT

Average humidity in August - Wilton, CT
  • Average humidity in August: 74%

The months with the highest relative humidity are February, May, June, October and December (76%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in August
Wilton, CT

Average rainfall in August - Wilton, CT
  • Average rainfall in August: 3.5"

The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is January (2.44").

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Average rainfall days in August
Wilton, CT

Average rainfall days in August - Wilton, CT
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall in August
Wilton, CT

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

The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Wilton, CT

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

The month with the highest number of snowfall days is February (8.3 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
Wilton, CT

Average daylight in August / Average sunshine in August - Wilton, 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 18min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
Wilton, CT

Average sunshine days in August - Wilton, CT
  • Average sunshine days in August: 11.3 days

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index in August
Wilton, CT

Average UV index in August - Wilton, 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
Wilton, CT

Average cloud cover in August - Wilton, CT
  • Average cloud cover in August: 30

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
Wilton, CT

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

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

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Wilton, Connecticut, USA

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