August weather forecast and climate
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

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

Temperature

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

Heat index

In August, the average heat index is appraised at 85.5°F (29.7°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, pregnancy, metabolic differences). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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 in Hartford is 75%.

Rainfall

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

Snowfall

June through October are months without snowfall in Hartford.

Daylight

The average length of the day in Hartford is 13.8h.

Sunshine

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

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 vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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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). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, in August is appraised at 85.5°F (29.7°C).

What is the average humidity in August in Hartford?

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

How many days does it rain in August in Hartford?

In August, in Hartford, the rain falls for 11.4 days. Throughout August, 0.79" (20mm) of precipitation is accumulated.

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 length of the day in August is 13.8h.

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.

How long on average sun shines in August in Hartford?

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

When is the highest UV index in Hartford?

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

What is the UV index reading in August in Hartford?

In August, the average daily maximum UV index in Hartford is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.

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"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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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").
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).
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: 13.8h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in August: 10.4h

Months with the most sunshine are July and August (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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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

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

Months with the highest UV index are June, July and August (UV index 6).
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

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

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