July weather forecast
Stamford, CT

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A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above
A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above

Weather in July

Mid-year in Stamford is well-defined by its warm and pleasant conditions perceived in July. The city experiences its highest average temperature of the year standing tall at 81.3°F (27.4°C). Understandably, locals and visitors flock to the pleasantly warm sea waters that perfectly mirror the incandescent summer weather. The amount of rainfall takes a noticeable leap, a characteristic trait of July. Despite this, plenty of sunshine prevails providing ample opportunities for summer adventures.

Temperature

During the warmest month in Stamford, July, temperatures average a high of 81.3°F (27.4°C) and a low of 69.1°F (20.6°C).

Heat index

The heat index value during July is computed to be a tropical 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Heat index determinations are made taking into account the shade and light air movements. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. 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 74%.

Rainfall

The month with the most rainfall is July, when the rain falls for 17.7 days and typically aggregates up to 4.25" (108mm) of precipitation.

Snowfall

In Stamford, snow does not fall in May through October.

Ocean temperature

In Stamford, in July, the average water temperature is 70.9°F (21.6°C).
Note: Swimming is not a pleasant activity for most when the water temperature is 70.9°F (21.6°C). As the water temperature drops from 69.8°F (21°C) to 59°F (15°C), breathing becomes more difficult to control.

Daylight

The average length of the day in July is 14h and 47min.
On the first day of July, sunrise is at 5:25 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:11 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.5h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 6 in July leads to these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be alert! The reflection of water and sand augments UV radiation intensity.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

July is the month when Stamford experiences its warmest temperatures, averaging a high of 81.3°F (27.4°C) and a low of 69.1°F (20.6°C).

What is the temperature in July?

In Stamford, 81.3°F (27.4°C) is the average high-temperature and 69.1°F (20.6°C) is the average low-temperature during July. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is computed to be 86°F (30°C).

What is the average humidity in July?

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

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 17.7 days and accumulates 4.25" (108mm) of precipitation.

How much does it rain in July?

In Stamford, in July, it is raining for 17.7 days, with typically 4.25" (108mm) of accumulated precipitation.

When it does not snow?

In Stamford, snow does not fall in May through October.

How cold is the water in July in Stamford?

In Stamford, in July, the average water temperature is 70.9°F (21.6°C). Swimming in 70.9°F (21.6°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in July?

The average day length in July is 14h and 47min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:25 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:11 pm EDT.

What month has the most sunshine?

With an average of 10.5h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July?

In Stamford, Connecticut, the average sunshine duration in July is 10.5h.

What is the month with the highest UV index in Stamford?

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

What is the UV index intensity in July?

In Stamford, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Stamford, CT

Average temperature in July - Stamford, CT
  • Average high temperature in July: 81.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in July: 69.1°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

Average pressure in July
Stamford, CT

Average pressure in July - Stamford, CT
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Stamford, CT

Average wind speed in July - Stamford, CT
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in July
Stamford, CT

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

The months with the highest relative humidity are February, May, June and December (75%).
The months with the lowest relative humidity are April, August and November (72%).

Average rainfall in July
Stamford, CT

Average rainfall in July - Stamford, CT
  • Average rainfall in July: 4.25"

The wettest month (with the highest rainfall) is July (4.25").
The driest months (with the least rainfall) are January and February (2.36").

Average rainfall days in July
Stamford, CT

Average rainfall days in July - Stamford, CT
  • Average rainfall days in July: 17.7 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in July
Stamford, CT

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

The months with the highest snowfall are February and March (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Stamford, CT

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

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in July
Stamford, CT

Average sea temperature in July - Stamford, CT
  • Average sea temperature in July: 70.9°F

The best month for swimming (with the highest average sea temperature) is August (73.1°F).
The coldest month (with the lowest average sea temperature) is February (39.5°F).

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

Average daylight in July / Average sunshine in July - Stamford, 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 18min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in July
Stamford, CT

Average sunshine days in July - Stamford, CT
  • Average sunshine days in July: 11.3 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in July
Stamford, CT

Average UV index in July - Stamford, 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
Stamford, CT

Average cloud cover in July - Stamford, CT
  • Average cloud cover in July: 32

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in July
Stamford, CT

Average visibility in July - Stamford, CT
  • Average visibility in July: 6mi

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

Stamford, Connecticut, USA

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