October weather forecast
Old Saybrook, CT

Weather in October

October, the same as September, is another comfortable autumn month in Old Saybrook, Connecticut, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 61.9°F (16.6°C).

Temperature

In Old Saybrook, the average high-temperature in October drops from a pleasant 72.3°F (22.4°C) in September to an enjoyable 61.9°F (16.6°C). The average low-temperature, in Old Saybrook, is 50.5°F (10.3°C).

Humidity

In Old Saybrook, the average relative humidity in October is 76%.

Rainfall

In Old Saybrook, during 14.6 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. In Old Saybrook, during the entire year, the rain falls for 166.2 days and collects up to 34.8" (884mm) of precipitation.

Snowfall

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

Ocean temperature

In Old Saybrook, in October, the average water temperature is 62.8°F (17.1°C).
Note: For swimming, a surface water temperature of 62.8°F (17.1°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 October, the average length of the day in Old Saybrook is 11h and 5min.
On the first day of the month, sunrise is at 6:46 am and sunset at 6:31 pm. On the last day of October, in Old Saybrook, sunrise is at 7:19 am and sunset at 5:46 pm EDT.

Sunshine

In October, the average sunshine is 6.1h.

UV index

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in October in Old Saybrook?

The average high-temperature, in October, in Old Saybrook, Connecticut, is 61.9°F (16.6°C), while the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in October in Old Saybrook?

In Old Saybrook, Connecticut, the average relative humidity in October is 76%.

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

In Old Saybrook, Connecticut, during October, the rain falls for 14.6 days and regularly aggregates up to 3.46" (88mm) of precipitation.

When it does not snow in Old Saybrook?

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

Does it snow in Old Saybrook in October?

In Old Saybrook, in October, it doesn't snow. In November, it regularly snows.

What is the ocean temperature in October in Old Saybrook?

In Old Saybrook, Connecticut, the average seawater temperature in October is 62.8°F (17.1°C). Swimming in 62.8°F (17.1°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 October in Old Saybrook?

In October, the average day length is 11h and 5min.

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

On the first day of October in Old Saybrook, sunrise is at 6:46 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:46 pm EDT.

How long on average sun shines in October in Old Saybrook?

The average sunshine duration in October in Old Saybrook is 6.1h.

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

In Old Saybrook, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Old Saybrook, CT

Average temperature in October - Old Saybrook, CT
  • Average high temperature in October: 61.9°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 October: 50.5°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 October
Old Saybrook, CT

Average pressure in October - Old Saybrook, CT
  • Average pressure in October: 30.01"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 October
Old Saybrook, CT

Average wind speed in October - Old Saybrook, CT
  • Average wind speed in October: 9.6mph

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 October
Old Saybrook, CT

Average humidity in October - Old Saybrook, CT
  • Average humidity in October: 76%

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 October
Old Saybrook, CT

Average rainfall in October - Old Saybrook, CT
  • Average rainfall in October: 3.46"

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 October
Old Saybrook, CT

Average rainfall days in October - Old Saybrook, CT
  • Average rainfall days in October: 14.6 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 October
Old Saybrook, CT

Average snowfall in October - Old Saybrook, CT
  • Average snowfall in October: 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 October
Old Saybrook, CT

Average snowfall days in October - Old Saybrook, CT
  • Average snowfall days in October: 0.1 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 October
Old Saybrook, CT

Average sea temperature in October - Old Saybrook, CT
  • Average sea temperature in October: 62.8°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 October /
Average sunshine in October
Old Saybrook, CT

Average daylight in October / Average sunshine in October - Old Saybrook, CT
  • Average daylight in October: 11h and 5min

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 October: 6h and 6min

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 October
Old Saybrook, CT

Average sunshine days in October - Old Saybrook, CT
  • Average sunshine days in October: 14.1 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 October
Old Saybrook, CT

Average UV index in October - Old Saybrook, CT
  • Average UV index in October: 3

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 October
Old Saybrook, CT

Average cloud cover in October - Old Saybrook, CT
  • Average cloud cover in October: 41

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 October
Old Saybrook, CT

Average visibility in October - Old Saybrook, CT
  • Average visibility in October: 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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