Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
Cos Cob in October undergoes a mild reduction in the average high-temperature, shifting from September's moderately hot 73.4°F (23°C) to a comfortable 62.4°F (16.9°C). Cos Cob's nights in October cool down to an average low-temperature of 51.8°F (11°C).Humidity
In Cos Cob, the average relative humidity in October is 74%.Rainfall
In Cos Cob, in October, during 13.8 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. In Cos Cob, during the entire year, the rain falls for 165.6 days and collects up to 37.64" (956mm) of precipitation.Snowfall
In Cos Cob, snow does not fall in May through October.Ocean temperature
In Cos Cob, Connecticut, in October, the average water temperature is 62.2°F (16.8°C).Note: Most people do not find pleasure in swimming when the water temperature is 62.2°F (16.8°C). Breathing becomes increasingly difficult to manage as the water temperature drops from 69.8°F (21°C) to 59°F (15°C).
Daylight
The average length of the day in October in Cos Cob is 11h and 6min.On the first day of the month, sunrise is at 6:51 am and sunset at 6:35 pm. On the last day of October, in Cos Cob, sunrise is at 7:24 am and sunset at 5:51 pm EDT.
Sunshine
In Cos Cob, the average sunshine in October is 5.8h.UV index
In Cos Cob, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In October, the maximum UV index of 3 translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cos Cob in October?
What is the average humidity in October in Cos Cob?
How much does it rain in Cos Cob in October?
When it does not snow in Cos Cob?
Does it snow in Cos Cob in October?
What is the ocean temperature in October in Cos Cob?
What is the average length of the day in October in Cos Cob?
When is the sunrise / sunset in October in Cos Cob?
How long on average sun shines in October in Cos Cob?
What is the UV index reading in October in Cos Cob?
Average temperature in October
Cos Cob, CT
- Average high temperature in October: 62.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in October: 51.8°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in October
Cos Cob, CT
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Cos Cob, CT
- Average wind speed in October: 8.8mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in October
Cos Cob, CT
- Average humidity in October: 74%
The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (71%).
Average rainfall in October
Cos Cob, CT
- Average rainfall in October: 3.46"
The wettest month (with the highest rainfall) is July (4.13").
The driest months (with the least rainfall) are January and February (2.4").
Average rainfall days in October
Cos Cob, CT
- Average rainfall days in October: 13.8 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in October
Cos Cob, CT
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Cos Cob, CT
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in October
Cos Cob, CT
- Average sea temperature in October: 62.2°F
The best month for swimming (with the highest average sea temperature) is August (73.1°F).
The coldest month (with the lowest average sea temperature) is February (39.5°F).
Average daylight in October /
Average sunshine in October
Cos Cob, CT
- Average daylight in October: 11h and 1min
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 18min).
- Average sunshine in October: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in October
Cos Cob, CT
- Average sunshine days in October: 15 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in October
Cos Cob, 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).
Average cloud cover in October
Cos Cob, CT
- Average cloud cover in October: 42
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in October
Cos Cob, 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).
Cos Cob, Connecticut, USA
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