July weather forecast
New London, CT

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A part of the city of New London, Connecticut, with intricate buildings overlooking the calm water
A part of the city of New London, Connecticut, with intricate buildings overlooking the calm water

Weather in July

July, in New London, Connecticut, presents itself as the peak of summer. This month features some of the warmest weather and longest hours of daylight. With an average temperature range of 66.7°F to 78.6°F, no snowfall is recorded in July. Clear skies pleasantly partner with bonfires and firework displays, thus marking a cultural and atmospheric zenith in the city. As balmy days give way to mild nights, the summer season is enjoyed to its fullest.

Temperature

The warmest month is July, with an average high-temperature of 78.6°F and an average low-temperature of 66.7°F.

Humidity

In New London, the average relative humidity in July is 79%.

Rainfall

In New London, in July, during 15.8 rainfall days, 2.44" of precipitation is typically accumulated. Throughout the year, in New London, there are 159.8 rainfall days, and 33.07" of precipitation is accumulated.

Snowfall

In New London, Connecticut, snow does not fall in May through October.

Ocean temperature

In New London, in July, the average water temperature is 69.4°F.
Note: The enjoyment of swimming decreases for most when the surface water temperature is 69.4°F. Breathing control becomes increasingly challenging as temperatures descend below 69.8°F.

Daylight

In New London, the average length of the day in July is 14h and 49min.
On the first day of July in New London, sunrise is at 5:18 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:07 pm EDT.

Sunshine

In New London, the average sunshine in July is 10.5h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in New London. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In July, a regular UV index of 6 translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. 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. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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FAQ

What month is the hottest in New London?

In New London, Connecticut, the average highest temperatures are observed in July, with a high of 78.6°F and a low of 66.7°F.

What are the temperatures in New London in July?

The high-temperature, in July, in New London, records 78.6°F, while the low-temperature is 66.7°F.

What is the average humidity in July in New London?

In July, the average relative humidity in New London, Connecticut, is 79%.

How many days does it rain in July in New London?

In New London, Connecticut, in July, during 15.8 rainfall days, 2.44" of precipitation is typically accumulated.

When it does not snow in New London?

In New London, snow does not fall in May through October.

How cold is the water in July in New London?

In July, the average ocean temperature is 69.4°F. Swimming in 69.4°F is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F.

How many hours of daylight does New London have in July?

In New London, Connecticut, the average day length in July is 14h and 49min.

What time are sunrise and sunset in July in New London?

On the first day of July in New London, Connecticut, sunrise is at 5:18 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:07 pm EDT.

How many hours of sunshine does New London have in July?

The average sunshine duration in July is 10.5h.

When is the highest UV index in New London?

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

How high is the UV index in July in New London?

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 Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJulyASOND
Jun
July
Aug
Average high temperature
71.4°F
78.6°F
77.7°F
Average low temperature
59°F
66.7°F
66.2°F
Average pressure
29.93"Hg
29.95"Hg
29.98"Hg
Average wind speed
8.1mph
7.8mph
7.8mph
Average max. wind speed
8.8mph
8.4mph
8.4mph
Average wind speed gusts
13.4mph
12.6mph
12.5mph
Average humidity
80%
79%
78%
Average rainfall
2.72"
2.44"
2.36"
Average rainfall days
15
15.8
13.8
Average snowfall
0"
0"
0"
Average snowfall days
0
0
0
Average sea temperature
62°F
69.5°F
72.1°F
Average daylight
15h 1min
14h 5min
13h 5min
Average sunshine
9h 3min
10h 3min
10h 4min
Average sunshine days
12.8
13.4
14.6
Average UV index
6
6
6
Average cloud cover
37%
31%
29%
Average visibility
6mi
6mi
6mi

Average temperature in July
New London, CT

Average temperature in July - New London, CT
  • Average high temperature in July: 78.6°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in July: 66.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in July
New London, CT

Average pressure in July - New London, CT
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in July
New London, CT

Average wind speed in July - New London, CT
  • Average wind speed in July: 7.8mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

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Average humidity in July
New London, CT

Average humidity in July - New London, CT
  • Average humidity in July: 79%

The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in July
New London, CT

Average rainfall in July - New London, CT
  • Average rainfall in July: 2.44"

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in July
New London, CT

Average rainfall days in July - New London, CT
  • Average rainfall days in July: 15.8 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (9.5 days).

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Average snowfall in July
New London, CT

Average snowfall in July - New London, CT
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
New London, CT

Average snowfall days in July - New London, 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 June, July, August, September and October (0 days).

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Average sea temperature in July
New London, CT

Average sea temperature in July - New London, CT
  • Average sea temperature in July: 69.5°F

The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).

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Average daylight in July /
Average sunshine in July
New London, CT

Average daylight in July / Average sunshine in July - New London, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in July
New London, CT

Average sunshine days in July - New London, CT
  • Average sunshine days in July: 13.4 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (12.5 days).

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Average UV index in July
New London, CT

Average UV index in July - New London, 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).

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Average cloud cover in July
New London, CT

Average cloud cover in July - New London, CT
  • Average cloud cover in July: 31

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in July
New London, CT

Average visibility in July - New London, 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).

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New London, Connecticut, USA

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