July weather forecast
Old Saybrook, CT

Weather in July

July in Old Saybrook, Connecticut, is a warm summer month, with an average temperature fluctuating between 79.7°F (26.5°C) and 66.6°F (19.2°C).

Temperature

July is the warmest month, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 66.6°F (19.2°C).

Humidity

May through July, with an average relative humidity of 78%, are the most humid months in Old Saybrook.

Rainfall

In Old Saybrook, during July, the rain falls for 17 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 166.2 rainfall days, and 34.8" (884mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Old Saybrook.

Ocean temperature

In Old Saybrook, the average seawater temperature in July is 69.4°F (20.8°C).
Note: For swimming, a surface water temperature of 69.4°F (20.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

In Old Saybrook, the average length of the day in July is 14h and 49min.
On the first day of the month, sunrise is at 5:20 am and sunset at 8:26 pm. On the last day of July, sunrise is at 5:44 am and sunset at 8:07 pm EDT.

Sunshine

In July, the average sunshine is 10.5h.

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 vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Old Saybrook?

July is the warmest month in Old Saybrook, Connecticut, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 66.6°F (19.2°C).

What is the temperature in July in Old Saybrook?

The average high-temperature, in July, in Old Saybrook, is 79.7°F (26.5°C), while the average low-temperature is 66.6°F (19.2°C).

What are the most humid months in Old Saybrook?

The months with the highest humidity in Old Saybrook, Connecticut, are May through July, with an average relative humidity of 78%.

What is the average humidity in July in Old Saybrook?

In Old Saybrook, Connecticut, the average relative humidity in July is 78%.

How many days does it rain in July in Old Saybrook?

In Old Saybrook, Connecticut, during July, the rain falls for 17 days and regularly aggregates up to 3.11" (79mm) of precipitation.

When it does not snow in Old Saybrook?

June through October are months without snowfall in Old Saybrook.

What is the ocean temperature in July in Old Saybrook?

In Old Saybrook, Connecticut, in July, the average water temperature is 69.4°F (20.8°C). Swimming in 69.4°F (20.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

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

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

What time are sunrise and sunset in July in Old Saybrook?

In July, on the first day of the month, sunrise is at 5:20 am and sunset at 8:26 pm. On the last day of the month, in Old Saybrook, sunrise is at 5:44 am and sunset at 8:07 pm EDT.

How many hours of sunshine does Old Saybrook have in July?

The average sunshine duration in July in Old Saybrook, Connecticut, is 10.5h.

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

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

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

In July, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Old Saybrook, CT

Average temperature in July - Old Saybrook, CT
  • Average high temperature in July: 79.7°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in July: 66.6°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in July
Old Saybrook, CT

Average pressure in July - Old Saybrook, 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 Saybrook, CT

Average wind speed in July - Old Saybrook, CT
  • Average wind speed in July: 7.1mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in July
Old Saybrook, CT

Average humidity in July - Old Saybrook, CT
  • Average humidity in July: 78%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in July
Old Saybrook, CT

Average rainfall in July - Old Saybrook, CT
  • Average rainfall in July: 3.11"

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in July
Old Saybrook, CT

Average rainfall days in July - Old Saybrook, CT
  • Average rainfall days in July: 17 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).

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Average snowfall in July
Old Saybrook, CT

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

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Old Saybrook, CT

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

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

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Average sea temperature in July
Old Saybrook, CT

Average sea temperature in July - Old Saybrook, 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
Old Saybrook, CT

Average daylight in July / Average sunshine in July - Old Saybrook, CT
  • Average daylight in July: 14h and 49min

The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 15min).

  • Average sunshine in July: 10h and 30min

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 48min).

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Average sunshine days in July
Old Saybrook, CT

Average sunshine days in July - Old Saybrook, CT
  • Average sunshine days in July: 11.7 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in July
Old Saybrook, CT

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

Average cloud cover in July - Old Saybrook, CT
  • Average cloud cover in July: 32

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in July
Old Saybrook, CT

Average visibility in July - Old Saybrook, 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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