July weather forecast
Collinsville, CT

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Weather in July

July, the same as June, is another warm summer month in Collinsville, Connecticut, with an average temperature ranging between min 63.1°F (17.3°C) and max 82.2°F (27.9°C).

Temperature

Collinsville's warmest temperatures are experienced in July, with average high temperatures of 82.2°F (27.9°C) and lows of 63.1°F (17.3°C).

Heat index

The heat index value for July is calculated to be a hot 87.8°F (31°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
The metrics for the heat index are tailored for both shady environments and light winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

The average relative humidity in July is 75%.

Rainfall

In Collinsville, in July, during 17.3 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Collinsville, during the entire year, the rain falls for 159.6 days and collects up to 31.97" (812mm) of precipitation.

Snowfall

June through September are months without snowfall in Collinsville.

Daylight

In July, the average length of the day in Collinsville is 14h and 52min.
On the first day of July, sunrise is at 5:20 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:10 pm EDT.

Sunshine

The months with the most sunshine are July and August, with an average of 10.3h of sunshine.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest in Collinsville?

Temperature readings in Collinsville, Connecticut, reach their annual highs in July, averaging 82.2°F (27.9°C) and a minimum average of 63.1°F (17.3°C).

What is the temperature in July in Collinsville?

During July, Collinsville experiences an average high-temperature of 82.2°F (27.9°C) and a low-temperature of 63.1°F (17.3°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 87.8°F (31°C).

What is the average humidity in July in Collinsville?

In July, the average relative humidity in Collinsville is 75%.

How much does it rain in Collinsville in July?

In Collinsville, Connecticut, in July, during 17.3 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

When it does not snow in Collinsville?

In Collinsville, Connecticut, snow does not fall in June through September.

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

In July, the average day length is 14h and 52min.

What time are sunrise and sunset in July in Collinsville?

In July, on the first day of the month, sunrise is at 5:20 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:10 pm EDT.

What are the months with the most sunshine in Collinsville?

July and August, with an average of 10.3h of sunshine, are months with the most sunshine.

How many hours of sunshine does Collinsville have in July?

In July, the average sunshine duration is 10.3h.

When is the highest UV index in Collinsville?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Collinsville, Connecticut.

How high is the UV index in July in Collinsville?

In Collinsville, Connecticut, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from 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
Collinsville, CT

Average temperature in July - Collinsville, CT
  • Average high temperature in July: 82.2°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in July: 63.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in July
Collinsville, CT

Average pressure in July - Collinsville, 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
Collinsville, CT

Average wind speed in July - Collinsville, CT
  • Average wind speed in July: 5.2mph

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in July
Collinsville, CT

Average humidity in July - Collinsville, CT
  • Average humidity in July: 75%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

Average rainfall in July
Collinsville, CT

Average rainfall in July - Collinsville, CT
  • Average rainfall in July: 2.76"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in July
Collinsville, CT

Average rainfall days in July - Collinsville, CT
  • Average rainfall days in July: 17.3 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9.4 days).

Average snowfall in July
Collinsville, CT

Average snowfall in July - Collinsville, CT
  • Average snowfall in July: 0"

The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Collinsville, CT

Average snowfall days in July - Collinsville, CT
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Collinsville, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in July
Collinsville, CT

Average sunshine days in July - Collinsville, CT
  • Average sunshine days in July: 12.3 days

The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is June (11.6 days).

Average UV index in July
Collinsville, CT

Average UV index in July - Collinsville, CT
  • Average UV index in July: 6

The months with the highest UV index are June and July (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
Collinsville, CT

Average cloud cover in July - Collinsville, CT
  • Average cloud cover in July: 36

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in July
Collinsville, CT

Average visibility in July - Collinsville, CT
  • Average visibility in July: 5mi

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

Collinsville, Connecticut, USA

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