Hartford
Connecticut, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Hartford, CT

Skyscape view of the city of Hartford, Connecticut, with the roads leading to the town, and trees on roadsides
Skyscape view of the city of Hartford, Connecticut, with the roads leading to the town, and trees on roadsides
July, like June, in Hartford, Connecticut, is a moderately hot summer month, with average temperature varying between 63.7°F (17.6°C) and 82.9°F (28.3°C).

Temperature

The warmest month is July, 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 calculated to a tropical 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 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, metabolic differences, pregnancy). 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. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

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

Snowfall

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

Daylight

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

Sunshine

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

UV index

Months with the highest UV index in Hartford are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for average 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the warmest month in Hartford?

The warmest month is July, 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 Hartford, Connecticut, 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). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that takes the relative humidity and factores it into the air temperature reading, in July is evaluated at 89.4°F (31.9°C).

What is the average humidity in July in Hartford?

In July, the average relative humidity in Hartford 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, Connecticut, 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?

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 many hours of sunshine does Hartford have in July?

The average sunshine in July 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.

What is the UV index reading in July in Hartford?

In July, the average daily maximum UV index in Hartford is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.
Average temperature in July - Hartford, CT
  • Average high temperature in July: 28.3°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (0.6°C).

  • Average low temperature in July: 17.6°C

The month with the highest average low temperature is July (17.6°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).

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: 27mm

Wettest months (with the highest rainfall) are June and July (27mm).
The driest month (with the lowest rainfall) is September (11mm).

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 lowest number of rainy days is February (6.8 days).

Average snowfall in July - Hartford, CT
  • Average snowfall in July: 0mm

The month with the highest snowfall is February (29mm).
Months with the lowest snowfall are June, July, August, September and October (0mm).

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 lowest number of 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 shortest days is December (Average daylight: 9.2h).

  • Average sunshine in July: 10.4h

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

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).