August weather forecast
South Windsor, CT

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Weather in August

August, the last month of the summer in South Windsor, is another warm month, with an average temperature fluctuating between 62.2°F (16.8°C) and 81°F (27.2°C).

Temperature

South Windsor marks the arrival of August with an average high-temperature of a still moderately hot 81°F (27.2°C), hardly different from July's 83.1°F (28.4°C). South Windsor, in August, witnesses an average low-temperature of 62.2°F (16.8°C).

Heat index

During August, the heat index is evaluated at a tropical 86°F (30°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

The average relative humidity in August is 75%.

Rainfall

In South Windsor, in August, it is raining for 16.7 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 164.8 rainfall days, and 31.77" (807mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 49min.
On the first day of August, sunrise is at 5:44 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:24 pm EDT.

Sunshine

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

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 5 during August, leads to the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for South Windsor in August?

In August, the average high-temperature and low-temperature are 81°F (27.2°C) and 62.2°F (16.8°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is evaluated at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 75%.

How many days does it rain in August?

In August, in South Windsor, the rain falls for 16.7 days. Throughout August, 2.6" (66mm) of precipitation is accumulated.

When it does not snow?

In South Windsor, snow does not fall in June through September.

What is the average length of the day in August?

In August, the average day length in South Windsor, Connecticut, is 13h and 49min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:44 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:24 pm EDT.

What are the months with the most sunshine in South Windsor?

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

How many hours of sunshine does South Windsor have in August?

In August, the average sunshine duration is 10.4h.

What is the UV index reading in August?

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium 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
South Windsor, CT

Average temperature in August - South Windsor, CT
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in August
South Windsor, CT

Average pressure in August - South Windsor, 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).

Average wind speed in August
South Windsor, CT

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

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
South Windsor, CT

Average humidity in August - South Windsor, CT
  • Average humidity in August: 75%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

Average rainfall in August
South Windsor, CT

Average rainfall in August - South Windsor, CT
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in August
South Windsor, CT

Average rainfall days in August - South Windsor, CT
  • Average rainfall days in August: 16.7 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (10 days).

Average snowfall in August
South Windsor, CT

Average snowfall in August - South Windsor, CT
  • Average snowfall in August: 0"

The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
South Windsor, CT

Average snowfall days in August - South Windsor, CT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
South Windsor, CT

Average daylight in August / Average sunshine in August - South Windsor, 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 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 36min).

Average sunshine days in August
South Windsor, CT

Average sunshine days in August - South Windsor, CT
  • Average sunshine days in August: 12 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in August
South Windsor, CT

Average UV index in August - South Windsor, CT
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in August
South Windsor, CT

Average cloud cover in August - South Windsor, CT
  • Average cloud cover in August: 33

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
South Windsor, CT

Average visibility in August - South Windsor, CT
  • Average visibility in August: 6mi

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

South Windsor, Connecticut, USA

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