July 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
July, the same as June, is a moderately hot summer month in Hartford, Connecticut, with average temperature fluctuating between 63.7°F (17.6°C) and 82.9°F (28.3°C).

Temperature

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

Heat index

In July, the average heat index is appraised at a hot 89.4°F (31.9°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. With the 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', 'felt air temperature', or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, wind, differences in body mass, height, and shape, and pregnancy affect individual temperature impact. 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 Hartford, Connecticut, the average relative humidity in July is 74%.

Rainfall

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

Snowfall

In Hartford snow does not fall in June through October.

Daylight

In Hartford, Connecticut, the average length of the day is 14.9h.

Sunshine

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

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 of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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.

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).

What is the temperature in July in Hartford?

In July, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 63.7°F (17.6°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines both air temperature and relative humidity, is estimated at 89.4°F (31.9°C).

What is the average humidity in July in Hartford?

The average relative humidity in July in Hartford, Connecticut, is 74%.

How much does it rain in Hartford in July?

In Hartford, Connecticut, during July, the rain falls for 11.8 days and regularly aggregates up to 1.06" (27mm) of precipitation.

What is the wettest month in Hartford?

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

When it does not snow in Hartford?

June through October are months without snowfall in Hartford, Connecticut.

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

In Hartford, the average length of the day in July is 14.9h.

What is the month with the most sunshine in Hartford?

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

How long on average sun shines in July in Hartford?

In July, the average sunshine is 10.4h.

What are the months with the highest UV index in Hartford?

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

How high is the UV index in July in Hartford?

The average daily maximum UV index in July in Hartford is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV rays.
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: 29.95"

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

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: 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: 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: 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: 0"

The month with the highest snowfall is February (1.14").
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: 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).

Average daylight in July / Average sunshine in July - Hartford, CT
  • Average daylight in July: 14.9h

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 July: 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).

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

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

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: 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).