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Weather in July in Connecticut

Planning a journey to Connecticut this July and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Connecticut in July?

Connecticut is a region in the United States of America. July in Connecticut generally has warm temperatures, with precipitation levels ranging from moderate to high. During July, summer is in full swing.

Temperatures

The average maximum temperatures are warm and range from 27°C in Mystic to 30°C in Windsor Locks. Nighttime temperatures generally drop to 18°C in Windsor Locks and 19°C in Mystic. On average, July is the warmest month of the year in Connecticut. So be prepared and pack summer clothes.

Precipitation

In July, precipitation varies across different areas. From moderate rainfall in Bridgeport with an average of 87 mm to high rainfall in Cornwall Bridge with 122 mm.

Average sunshine

The days are mostly sunny, with an average total of around 271 hours of sunshine in Stamford. The sunlight during this month doesn't just make the days brighter, it also seems to make everyone a bit more cheerful.

To learn more about the conditions in specific areas of Connecticut in July, check out the map below. For more details on the yearly weather, visit our Connecticut climate page.

Where to go in Connecticut in July

Find more information for the most popular destinations in the Connecticut on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in July for the 5 most popular destinations in Connecticut?

Stamford

In July Stamford generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 19°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Stamford
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   June June
<<  
26°C 
16°C 
259 hours 
128 mm 
13 days 
30°C 
19°C 
271 hours 
90 mm 
12 days 
August   >> August
>>  
28°C 
18°C 
270 hours 
108 mm 
11 days 
Climate in Stamford

Mystic

In July Mystic generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 19°C and high monthly rainfall. So on average the conditions are pleasant that month.

Mystic
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   June June
<<  
23°C 
15°C 
276 hours 
111 mm 
13 days 
27°C 
19°C 
290 hours 
101 mm 
11 days 
August   >> August
>>  
26°C 
18°C 
260 hours 
89 mm 
9 days 
Climate in Mystic

Danbury

In July Danbury generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 17°C and high monthly rainfall. So on average the conditions are pleasant that month.

Danbury
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   June June
<<  
25°C 
14°C 
136 mm 
15 days 
28°C 
17°C 
121 mm 
13 days 
August   >> August
>>  
27°C 
16°C 
133 mm 
12 days 
Climate in Danbury

Windsor Locks

In July Windsor Locks generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 18°C and high monthly rainfall. So on average the conditions are tolerable that month.

Windsor Locks
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   June June
<<  
26°C 
15°C 
273 hours 
156 mm 
16 days 
30°C 
18°C 
293 hours 
112 mm 
13 days 
August   >> August
>>  
29°C 
17°C 
269 hours 
127 mm 
11 days 
Climate in Windsor Locks

Groton

In July Groton generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 19°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Groton
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   June June
<<  
24°C 
15°C 
273 hours 
113 mm 
13 days 
27°C 
19°C 
293 hours 
98 mm 
11 days 
August   >> August
>>  
26°C 
18°C 
269 hours 
96 mm 
10 days 
Climate in Groton

Is your destination not in the list? Have a look at other destinations in Connecticut, in the United States of America.

Is July the best time to visit Connecticut?

In our opinion, July is a good time to visit Connecticut with overall pleasant weather in Stamford.

Generally speaking, May and September provide perfect weather in Stamford. On the other hand, the weather in January, February, March and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Connecticut. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.