August weather forecast
Harwinton, CT

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Weather in August

The last month of the summer, August, is another warm month in Harwinton, Connecticut, with an average temperature ranging between min 59.9°F (15.5°C) and max 79.3°F (26.3°C).

Temperature

The advent of August brings an average high-temperature of a still moderately hot 79.3°F (26.3°C), exhibiting minor difference from the previous month. In August, Harwinton encounters an average low-temperature of 59.9°F (15.5°C) during the night.

Humidity

The average relative humidity in August in Harwinton is 78%.

Rainfall

In Harwinton, Connecticut, in August, it is raining for 14.8 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 157.7 rainfall days, and 32.72" (831mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Harwinton.

Daylight

In August, the average length of the day in Harwinton is 13h and 49min.
On the first day of August, sunrise is at 5:47 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:26 pm EDT.

Sunshine

July and August, with an average of 10.1h of sunshine, are months with the most sunshine in Harwinton.

UV index

In August, the average daily maximum UV index in Harwinton is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What are the temperatures in Harwinton in August?

In August, the average high-temperature and low-temperature in Harwinton, Connecticut, are 79.3°F (26.3°C) and 59.9°F (15.5°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the average humidity in August in Harwinton?

The average relative humidity in August in Harwinton, Connecticut, is 78%.

How much does it rain in Harwinton in August?

In Harwinton, in August, during 14.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow in Harwinton?

June through September are months without snowfall in Harwinton.

How many hours of daylight does Harwinton have in August?

In Harwinton, the average day length in August is 13h and 49min.

What time are sunrise and sunset in August in Harwinton?

On the first day of August, sunrise is at 5:47 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:26 pm EDT.

What is the month with the most sunshine in Harwinton?

July and August, with an average of 10.1h of sunshine, are months with the most sunshine in Harwinton.

How many hours of sunshine does Harwinton have in August?

In Harwinton, Connecticut, the average sunshine duration in August is 10.1h.

What is the UV index reading in August in Harwinton?

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate 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
Harwinton, CT

Average temperature in August - Harwinton, CT
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in August: 59.9°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

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Average pressure in August
Harwinton, CT

Average pressure in August - Harwinton, 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
Harwinton, CT

Average wind speed in August - Harwinton, CT
  • Average wind speed in August: 5.1mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in August
Harwinton, CT

Average humidity in August - Harwinton, CT
  • Average humidity in August: 78%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in August
Harwinton, CT

Average rainfall in August - Harwinton, CT
  • Average rainfall in August: 2.64"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in August
Harwinton, CT

Average rainfall days in August - Harwinton, CT
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in August
Harwinton, CT

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

The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Harwinton, CT

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

The month with the highest number of snowfall days is February (10.3 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
Harwinton, CT

Average daylight in August / Average sunshine in August - Harwinton, 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 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in August
Harwinton, CT

Average sunshine days in August - Harwinton, CT
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in August
Harwinton, CT

Average UV index in August - Harwinton, CT
  • Average UV index in August: 5

The month with the highest UV index is June (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
Harwinton, CT

Average cloud cover in August - Harwinton, CT
  • Average cloud cover in August: 36

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in August
Harwinton, CT

Average visibility in August - Harwinton, CT
  • Average visibility in August: 5mi

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

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Harwinton, Connecticut, USA

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