August weather forecast
Westport, CT

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The colorful houses on the shores of Westport, Connecticut
The colorful houses on the shores of Westport, Connecticut

Weather in August

August continues the summer trend with temperatures slightly cooler than the previous month. The rainfall increases to 3.54" (90mm) spread over 16.8 days of the month. The higher levels of relative humidity could further amplify the perception of heat. Despite this heat, Westport residents make the most of these concluding summer days. The city thrives with music festivals, art exhibitions, and farmers markets, epitomizing the lively local culture.

Temperature

As Westport welcomes August, the average high-temperature records at a still moderately hot 80.1°F (26.7°C), marking an insignificant deviation from the prior month. In the month of August, the average temperature in Westport dips to a comfortable 67.8°F (19.9°C) during the night.

Humidity

In Westport, the average relative humidity in August is 73%.

Rainfall

In August, in Westport, Connecticut, the rain falls for 16.8 days. Throughout August, 3.54" (90mm) of precipitation is accumulated. Throughout the year, in Westport, there are 166.3 rainfall days, and 37.87" (962mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day in Westport is 13h and 46min.
On the first day of August in Westport, sunrise is at 5:49 am and sunset at 8:09 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 in Westport is 10.4h.

UV index

The months with the highest UV index in Westport are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What is the average August temperature in Westport?

The high-temperature, in August, in Westport, records 80.1°F (26.7°C), while the low-temperature is 67.8°F (19.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in July is calculated to be 86°F (30°C).

What is the average humidity in August in Westport?

In Westport, Connecticut, the average relative humidity in August is 73%.

How many days does it rain in August in Westport?

In Westport, Connecticut, in August, during 16.8 rainfall days, 3.54" (90mm) of precipitation is typically accumulated.

When it does not snow in Westport?

In Westport, Connecticut, snow does not fall in May through October.

How many hours of daylight does Westport have in August?

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

When are sunrise and sunset in August in Westport?

In August, on the first day of the month, sunrise is at 5:49 am and sunset at 8:09 pm. On the last day of the month, in Westport, sunrise is at 6:19 am and sunset at 7:27 pm EDT.

How many hours of sunshine does Westport have in August?

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

When is the highest UV index in Westport?

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

How high is the UV index in August in Westport?

The average daily maximum UV index in August in Westport is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJAugustSOND
Jul
August
Sep
Average high temperature
81.1°F 27.3°C
80.1°F 26.7°C
73°F 22.8°C
Average low temperature
68.2°F 20.1°C
67.8°F 19.9°C
61.2°F 16.2°C
Average pressure
29.96" 761mmHg
29.98" 761mmHg
30.05" 763mmHg
Average wind speed
6.5mph 10.5km/h
6.6mph 10.6km/h
7.6mph 12.2km/h
Average max. wind speed
7.1mph 11.4km/h
7.1mph 11.4km/h
7.8mph 12.6km/h
Average wind speed gusts
10.4mph 16.7km/h
10.1mph 16.3km/h
11.3mph 18.2km/h
Average humidity
74%
73%
75%
Average rainfall
4.13" 105mm
3.54" 90mm
2.72" 69mm
Average rainfall days
18.1
16.8
13.4
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average daylight
14h 5min
13h 5min
12h 3min
Average sunshine
10h 3min
10h 2min
8h 5min
Average sunshine days
11.3
11.5
14
Average UV index
6
6
4
Average cloud cover
31%
30%
34%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in August
Westport, CT

Average temperature in August - Westport, CT
  • Average high temperature in August: 80.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in August: 67.8°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

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Average pressure in August
Westport, CT

Average pressure in August - Westport, 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
Westport, CT

Average wind speed in August - Westport, CT
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in August
Westport, CT

Average humidity in August - Westport, CT
  • Average humidity in August: 73%

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

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Average rainfall in August
Westport, CT

Average rainfall in August - Westport, CT
  • Average rainfall in August: 3.54"

The wettest month (with the highest rainfall) is July (4.13").
The driest months (with the least rainfall) are January and February (2.36").

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Average rainfall days in August
Westport, CT

Average rainfall days in August - Westport, 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 (8.3 days).

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Average snowfall in August
Westport, CT

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

The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Westport, CT

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

The month with the highest number of snowfall days is February (7.4 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
Westport, CT

Average daylight in August / Average sunshine in August - Westport, 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
Westport, CT

Average sunshine days in August - Westport, CT
  • Average sunshine days in August: 11.5 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (10 days).

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Average UV index in August
Westport, CT

Average UV index in August - Westport, 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
Westport, CT

Average cloud cover in August - Westport, 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
Westport, CT

Average visibility in August - Westport, 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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Westport, Connecticut, USA

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