August weather forecast
Hartford, CT

The city of Hartford, Connecticut with the roads leading to the town, and trees on roadsides
The city of Hartford, Connecticut with the roads leading to the town, and trees on roadsides

Weather in August

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

Temperature

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

Heat index

In August, the average heat index is estimated at a hot 86°F (30°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, clothing, pregnancy). 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In August, the average relative humidity is 75%.

Rainfall

In August, in Hartford, the rain falls for 11.4 days. Throughout August, 0.79" (20mm) of precipitation is accumulated. In Hartford, during the entire year, the rain falls for 113.2 days and collects up to 10.24" (260mm) of precipitation.

Snowfall

In Hartford, snow does not fall in June through October.

Daylight

In August, the average length of the day is 13h and 49min.
On the first day of August in Hartford, Connecticut, sunrise is at 5:44 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:26 pm EDT.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Hartford. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Hartford?

In August, in Hartford, Connecticut, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 62.2°F (16.8°C). in August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the average humidity in August in Hartford?

In Hartford, the average relative humidity in August is 75%.

How much does it rain in Hartford in August?

In Hartford, in August, it is raining for 11.4 days, with typically 0.79" (20mm) of accumulated precipitation.

When it does not snow in Hartford?

In Hartford, snow does not fall in June through October.

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

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

When is the sunrise / sunset in August in Hartford?

In August, on the first day of the month, sunrise is at 5:44 am and sunset at 8:09 pm. On the last day of the month, in Hartford, sunrise is at 6:15 am and sunset at 7:26 pm EDT.

What are the months with the most sunshine in Hartford?

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

How long on average sun shines in August in Hartford?

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

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

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

What is the UV index intensity in August in Hartford?

The average daily maximum UV index in August in Hartford is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to 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
Hartford, CT

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

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

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Average pressure in August
Hartford, CT

Average pressure in August - Hartford, 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
Hartford, CT

Average wind speed in August - Hartford, CT
  • Average wind speed in August: 5.3mph

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in August
Hartford, CT

Average humidity in August - Hartford, CT
  • Average humidity in August: 75%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in August
Hartford, CT

Average rainfall in August - Hartford, CT
  • Average rainfall in August: 0.79"

The wettest months (with the highest rainfall) are June and July (1.06").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in August
Hartford, CT

Average rainfall days in August - Hartford, CT
  • Average rainfall days in August: 11.4 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in August
Hartford, CT

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

The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Hartford, CT

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

The month with the highest number of snowfall days is February (5.7 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
Hartford, CT

Average daylight in August / Average sunshine in August - Hartford, 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 13min).

  • 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
Hartford, CT

Average sunshine days in August - Hartford, CT
  • Average sunshine days in August: 17.4 days

The months with the most sunshine days are January and November (20.4 days).
The month with the least sunshine days is June (16.3 days).

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Average UV index in August
Hartford, CT

Average UV index in August - Hartford, 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
Hartford, CT

Average cloud cover in August - Hartford, 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
Hartford, CT

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

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

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