October weather forecastDarien, CT
October
Weather in October
October, the same as September, is another refreshing autumn month in Darien, Connecticut, with an average temperature fluctuating between 52.3°F (11.3°C) and 62.2°F (16.8°C).Temperature
In Darien, the beginning of October is marked by a lowered average high-temperature, shifting from September's pleasant 73.2°F (22.9°C) to a comfortable 62.2°F (16.8°C). In Darien, October nights witness a steady temperature drop to a cool 52.3°F (11.3°C).Humidity
The average relative humidity in October is 74%.Rainfall
In Darien, during October, the rain falls for 14.3 days and regularly aggregates up to 3.54" (90mm) of precipitation. Throughout the year, there are 166.4 rainfall days, and 38.7" (983mm) of precipitation is accumulated.Snowfall
In Darien, snow does not fall in May through October.Daylight
The average length of the day in October is 11h and 5min.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 Darien, sunrise is at 7:24 am and sunset at 5:50 pm EDT.
Sunshine
The average sunshine in October is 5.8h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: During October, 3 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Defending against sun damage is advocated. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Darien, CT
- Average high temperature in October: 62.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in October: 52.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in October
Darien, 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
Darien, CT
- Average wind speed in October: 9.1mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in October
Darien, CT
- Average humidity in October: 74%
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are April, August and November (72%).
Average rainfall in October
Darien, CT
- Average rainfall in October: 3.54"
The wettest months (with the highest rainfall) are July and December (4.17").
The driest month (with the least rainfall) is January (2.48").
Average rainfall days in October
Darien, CT
- Average rainfall days in October: 14.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in October
Darien, CT
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Darien, CT
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Darien, CT
- Average daylight in October: 11h and 6min
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 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in October
Darien, CT
- Average sunshine days in October: 14.7 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in October
Darien, 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
Darien, 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
Darien, 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).
