July weather forecast
Hartford, CT

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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 July

July witnesses Hartford, Connecticut at its climatic peak, with the weather turning significantly hot. Summer is in full swing, and city dwellers adapt to the shift. A high temperature of 82.9°F (28.3°C) ranks it as the warmest month of the year. This month, residents brace themselves for the extreme heat and engage in pool parties and indoor activities. Despite the scorching weather, the city vibrates with high summer energy.

Temperature

July is the month when Hartford's temperatures reach their peak, with averages of 82.9°F (28.3°C) and lows of 63.7°F (17.6°C).

Heat index

July's average heat index is estimated at a hot 89.6°F (32°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

In Hartford, the average relative humidity in July is 74%.

Rainfall

The wettest months are June and July, with an average 1.06" (27mm) of rainfall.

Snowfall

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

Daylight

In Hartford, the average length of the day in July is 14h and 52min.
On the first day of the month, sunrise is at 5:20 am and sunset at 8:29 pm. On the last day of July, sunrise is at 5:44 am and sunset at 8:09 pm EDT.

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. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the maximum UV index of 6 suggests this advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What is the warmest month in Hartford?

July is the warmest month in Hartford, Connecticut, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 63.7°F (17.6°C).

How hot is July in Hartford?

July temperatures vary between a high-temperature of 82.9°F (28.3°C) and a low-temperature of 63.7°F (17.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in July is estimated at 89.6°F (32°C).

What is the average humidity in July in Hartford?

In July, the average relative humidity is 74%.

What is the wettest month in Hartford?

The months with the most rainfall in Hartford are June and July, with an average 1.06" (27mm) of precipitation.

How many days does it rain in July in Hartford?

In July, in Hartford, the rain falls for 11.8 days. Throughout July, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in Hartford?

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

How many hours of daylight does Hartford have in July?

The average day length in July in Hartford is 14h and 52min.

When are sunrise and sunset in July in Hartford?

On the first day of July, sunrise is at 5:20 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:09 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.

How long on average sun shines in July in Hartford?

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

When is the highest UV index in Hartford?

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

What is the UV index reading in July in Hartford?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe 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 July
Hartford, CT

Average temperature in July - Hartford, CT
  • Average high temperature in July: 82.9°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 July: 63.7°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).

Average pressure in July
Hartford, CT

Average pressure in July - Hartford, CT
  • Average pressure in July: 29.95"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 July
Hartford, CT

Average wind speed in July - Hartford, CT
  • Average wind speed in July: 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).

Average humidity in July
Hartford, CT

Average humidity in July - Hartford, CT
  • Average humidity in July: 74%

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

Average rainfall in July
Hartford, CT

Average rainfall in July - Hartford, CT
  • Average rainfall in July: 1.06"

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

Average rainfall days in July
Hartford, CT

Average rainfall days in July - Hartford, CT
  • Average rainfall days in July: 11.8 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).

Average snowfall in July
Hartford, CT

Average snowfall in July - Hartford, CT
  • Average snowfall in July: 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").

Average snowfall days in July
Hartford, CT

Average snowfall days in July - Hartford, CT
  • Average snowfall days in July: 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).

Average daylight in July /
Average sunshine in July
Hartford, CT

Average daylight in July / Average sunshine in July - Hartford, CT
  • Average daylight in July: 14h 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 July: 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 July
Hartford, CT

Average sunshine days in July - Hartford, CT
  • Average sunshine days in July: 17.2 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).

Average UV index in July
Hartford, CT

Average UV index in July - Hartford, CT
  • Average UV index in July: 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).

Average cloud cover in July
Hartford, CT

Average cloud cover in July - Hartford, CT
  • Average cloud cover in July: 35

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 July
Hartford, CT

Average visibility in July - Hartford, CT
  • Average visibility in July: 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).

Hartford, Connecticut, USA

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