August weather forecast
Bolton, CT

Grass, brown sand, and trees on an empty beach in Bolton, Connecticut, overlooking the blue waters far out
Grass, brown sand, and trees on an empty beach in Bolton, Connecticut, overlooking the blue waters far out

Weather in August

The last month of the summer, August, is another warm month in Bolton, Connecticut, with an average temperature ranging between min 62.2°F (16.8°C) and max 81°F (27.2°C).

Temperature

In Bolton, the average high-temperature in August is relatively the same as in July - a still moderately hot 81°F (27.2°C). In Bolton, the average low-temperature is 62.2°F (16.8°C).

Heat index

The average heat index in August is calculated to be 85.5°F (29.7°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, differences in body mass, height, and shape, clothing, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August in Bolton, Connecticut, is 75%.

Rainfall

In Bolton, during 16.7 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Bolton, during the entire year, the rain falls for 164.8 days and collects up to 31.77" (807mm) of precipitation.

Snowfall

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

Daylight

In Bolton, the average length of the day in August 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 6:14 am and sunset at 7:25 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Bolton?

The average high-temperature, in August, in Bolton, Connecticut, is 81°F (27.2°C), while the average low-temperature is 62.2°F (16.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 85.5°F (29.7°C).

What is the average humidity in August in Bolton?

The average relative humidity in August in Bolton is 75%.

How much does it rain in Bolton in August?

In Bolton, Connecticut, during August, the rain falls for 16.7 days and regularly aggregates up to 2.6" (66mm) of precipitation.

When it does not snow in Bolton?

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

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

The average day length in August in Bolton, Connecticut, is 13h and 49min.

What time are sunrise and sunset in August in Bolton?

On the first day of August in Bolton, Connecticut, sunrise is at 5:44 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:25 pm EDT.

What are the months with the most sunshine in Bolton?

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

How long on average sun shines in August in Bolton?

The average sunshine duration in August in Bolton is 10.4h.

What is the UV index intensity in August in Bolton?

In Bolton, Connecticut, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Bolton, CT

Average temperature in August - Bolton, 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).

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Average pressure in August
Bolton, CT

Average pressure in August - Bolton, 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
Bolton, CT

Average wind speed in August - Bolton, 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).

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Average humidity in August
Bolton, CT

Average humidity in August - Bolton, 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%).

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Average rainfall in August
Bolton, CT

Average rainfall in August - Bolton, 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").

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Average rainfall days in August
Bolton, CT

Average rainfall days in August - Bolton, 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).

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Average snowfall in August
Bolton, CT

Average snowfall in August - Bolton, 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").

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Average snowfall days in August
Bolton, CT

Average snowfall days in August - Bolton, 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).

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

Average daylight in August / Average sunshine in August - Bolton, CT
  • Average daylight in August: 13h and 49min

The month with the longest days is June (Average daylight: 15h and 10min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 10h and 24min

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).

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Average sunshine days in August
Bolton, CT

Average sunshine days in August - Bolton, 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).

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Average UV index in August
Bolton, CT

Average UV index in August - Bolton, 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).

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Average cloud cover in August
Bolton, CT

Average cloud cover in August - Bolton, 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).

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Average visibility in August
Bolton, CT

Average visibility in August - Bolton, 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).

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