July weather forecast
Old Mystic, CT

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Weather in July

July is a warm summer month in Old Mystic, Connecticut, with an average temperature fluctuating between 65.3°F (18.5°C) and 80.2°F (26.8°C).

Temperature

With average high temperatures of 80.2°F (26.8°C) and lows of 65.3°F (18.5°C), July is the warmest month.

Humidity

June and July, with an average relative humidity of 79%, are the most humid months.

Rainfall

In July, in Old Mystic, the rain falls for 16.4 days. Throughout July, 2.76" (70mm) of precipitation is accumulated. Throughout the year, in Old Mystic, there are 162.1 rainfall days, and 33.66" (855mm) of precipitation is accumulated.

Snowfall

In Old Mystic, snow does not fall in June through October.

Daylight

The average length of the day in July is 14h and 49min.
On the first day of the month, sunrise is at 5:18 am and sunset at 8:25 pm. On the last day of July, sunrise is at 5:42 am and sunset at 8:05 pm EDT.

Sunshine

In Old Mystic, the average sunshine in July is 10.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Old Mystic, Connecticut. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 during July leads to these advisories:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What time of the year is the hottest in Old Mystic?

In Old Mystic, the peak average temperatures are observed in July, with a high of 80.2°F (26.8°C) and a low of 65.3°F (18.5°C).

What is the average July temperature in Old Mystic?

The high-temperature, in July, in Old Mystic, is 80.2°F (26.8°C), while the low-temperature averages to 65.3°F (18.5°C).

What are the most humid months in Old Mystic?

The months with the highest humidity in Old Mystic are June and July, with an average relative humidity of 79%.

What is the average humidity in July in Old Mystic?

In July, the average relative humidity in Old Mystic, Connecticut, is 79%.

How much does it rain in Old Mystic in July?

In Old Mystic, in July, it is raining for 16.4 days, with typically 2.76" (70mm) of accumulated precipitation.

When it does not snow in Old Mystic?

In Old Mystic, snow does not fall in June through October.

How many hours of daylight does Old Mystic have in July?

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

When is the sunrise / sunset in July in Old Mystic?

On the first day of July, 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 8:05 pm EDT.

How long on average sun shines in July in Old Mystic?

The average sunshine duration in July in Old Mystic, Connecticut, is 10.2h.

What is the month with the highest UV index in Old Mystic?

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

How high is the UV index in July in Old Mystic?

In Old Mystic, Connecticut, 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.
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
Old Mystic, CT

Average temperature in July - Old Mystic, CT
  • Average high temperature in July: 80.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in July: 65.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in July
Old Mystic, CT

Average pressure in July - Old Mystic, 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
Old Mystic, CT

Average wind speed in July - Old Mystic, CT
  • Average wind speed in July: 7mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity in July
Old Mystic, CT

Average humidity in July - Old Mystic, CT
  • Average humidity in July: 79%

The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in July
Old Mystic, CT

Average rainfall in July - Old Mystic, CT
  • Average rainfall in July: 2.76"

The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in July
Old Mystic, CT

Average rainfall days in July - Old Mystic, CT
  • Average rainfall days in July: 16.4 days

The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (10 days).

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Average snowfall in July
Old Mystic, CT

Average snowfall in July - Old Mystic, CT
  • Average snowfall in July: 0"

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

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Average snowfall days in July
Old Mystic, CT

Average snowfall days in July - Old Mystic, CT
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Old Mystic, CT

Average daylight in July / Average sunshine in July - Old Mystic, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in July
Old Mystic, CT

Average sunshine days in July - Old Mystic, CT
  • Average sunshine days in July: 11.5 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.5 days).

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Average UV index in July
Old Mystic, CT

Average UV index in July - Old Mystic, 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
Old Mystic, CT

Average cloud cover in July - Old Mystic, CT
  • Average cloud cover in July: 34

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

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Average visibility in July
Old Mystic, CT

Average visibility in July - Old Mystic, 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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Old Mystic, Connecticut, USA

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