July weather forecast
Portland, CT

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Weather in July

July, the same as June, is a moderately hot summer month in Portland, Connecticut, with an average temperature fluctuating between 82.9°F (28.3°C) and 64°F (17.8°C).

Temperature

July, recognised by an average high temperature of 82.9°F (28.3°C) and a low of 64°F (17.8°C), is Portland's warmest month.

Heat index

July's average heat index is appraised at a hot 89.6°F (32°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in July is 76%.

Rainfall

In Portland, during July, the rain falls for 17.2 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Portland, during the entire year, the rain falls for 162.2 days and collects up to 34.13" (867mm) of precipitation.

Snowfall

June through October are months without snowfall in Portland.

Daylight

In July, the average length of the day is 14h and 50min.
On the first day of July, sunrise is at 5:20 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:08 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Portland are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In July, the maximum UV index of 6 translates into these guidelines:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

July stands out as Portland's warmest month, with temperatures ranging between an average high of 82.9°F (28.3°C) and a low of 64°F (17.8°C).

How hot is it in July?

During July, Portland experiences an average high-temperature of 82.9°F (28.3°C) and a low-temperature of 64°F (17.8°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 89.6°F (32°C).

What is the average humidity in July?

The average relative humidity in July is 76%.

How many days does it rain in July?

In Portland, in July, during 17.2 rainfall days, 3.07" (78mm) of precipitation is typically accumulated.

When it does not snow?

June through October are months without snowfall.

How many hours of daylight does Portland have in July?

The average day length in July is 14h and 50min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 5:20 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:08 pm EDT.

What are the months with the most sunshine?

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

How long on average sun shines in July?

In July, the average sunshine duration is 10.3h.

When is the highest UV index?

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?

The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
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
Portland, CT

Average temperature in July - Portland, 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 (34°F).

  • Average low temperature in July: 64°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in July
Portland, CT

Average pressure in July - Portland, 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
Portland, CT

Average wind speed in July - Portland, CT
  • Average wind speed in July: 5.5mph

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in July
Portland, CT

Average humidity in July - Portland, CT
  • Average humidity in July: 76%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

Average rainfall in July
Portland, CT

Average rainfall in July - Portland, CT
  • Average rainfall in July: 3.07"

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in July
Portland, CT

Average rainfall days in July - Portland, CT
  • Average rainfall days in July: 17.2 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in July
Portland, CT

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

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in July
Portland, CT

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

The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Portland, CT
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
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
Portland, CT

Average sunshine days in July - Portland, CT
  • Average sunshine days in July: 12.1 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in July
Portland, CT

Average UV index in July - Portland, 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
Portland, CT

Average cloud cover in July - Portland, 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 33).

Average visibility in July
Portland, CT

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

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

Portland, Connecticut, USA

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