October weather forecast
Old Saybrook, CT

Weather in October

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

Temperature

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

Ocean temperature

In October, the average ocean temperature in Old Saybrook, Connecticut, is 62.8°F (17.1°C).
Note: For most, swimming in 62.8°F (17.1°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°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

In Old Saybrook, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to 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 sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in October in Old Saybrook?

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

How much does it rain in Old Saybrook in October?

In Old Saybrook, Connecticut, in October, during 14.6 rainfall days, 3.46" (88mm) of precipitation is typically accumulated.

When it does not snow in Old Saybrook?

In Old Saybrook, Connecticut, 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 October, the average ocean temperature is 62.8°F (17.1°C). For most, swimming in 62.8°F (17.1°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

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

The average day length in October in Old Saybrook, Connecticut, is 11h and 5min.

When are sunrise and sunset in October in Old Saybrook?

On the first day of October, 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?

In October, the average sunshine duration in Old Saybrook, Connecticut, is 6.1h.

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

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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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