November weather forecastOld Greenwich, CT
November
Weather in November
As November rolls in, Old Greenwich begins to brace itself for the nearing winter. A significant drop in temperature, leading to a chilling low of 40.8°F (4.9°C), is a standard characteristic of Old Greenwich's November climate. The city experiences a tangible decrease in the hours of daylight, contributing to the overall cooler feel. With rainfall totals falling to 2.83" (72mm), November is somewhat drier than the previous month. The outdoor activities remain abundant, yet they tend to move indoors as people prepare for the winter nights.Temperature
The start of November involves a temperature drop, moving from a comfortable 62.4°F (16.9°C) in October to a fresh 50.9°F (10.5°C). November brings an average low-temperature of 40.8°F (4.9°C) to Old Greenwich.Humidity
The average relative humidity in November in Old Greenwich is 72%.Rainfall
In Old Greenwich, during November, the rain falls for 10.3 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Old Greenwich, during the entire year, the rain falls for 166.6 days and collects up to 38.07" (967mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. November is the first month it typically snows. Throughout November, in the average 1.1 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 24.8 snowfall days, and 9.33" (237mm) of snow is accumulated.Ocean temperature
In November, the average ocean temperature is 53.8°F (12.1°C).Note: Swimming in 53.8°F (12.1°C) at temperatures under 50°F (10°C) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 55.4°F (13°C) feels frosty.
Daylight
In Old Greenwich, the average length of the day in November is 9h and 54min.On the first day of November in Old Greenwich, sunrise is at 7:25 am and sunset at 5:49 pm EDT. On the last day of the month, sunrise is at 6:59 am and sunset at 4:26 pm EST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from EDT to EST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from EST to EDT.
Sunshine
The average sunshine in November is 5.6h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In November, the maximum UV index of 2 suggests this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in November
Old Greenwich, CT
- Average high temperature in November: 50.9°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in November: 40.8°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in November
Old Greenwich, CT
- Average pressure in November: 30.09"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in November
Old Greenwich, CT
- Average wind speed in November: 9.5mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in November
Old Greenwich, CT
- Average humidity in November: 72%
The months with the highest relative humidity are February, May, June and December (75%).
The month with the lowest relative humidity is August (71%).
Average rainfall in November
Old Greenwich, CT
- Average rainfall in November: 2.83"
The wettest month (with the highest rainfall) is July (4.13").
The driest month (with the least rainfall) is January (2.44").
Average rainfall days in November
Old Greenwich, CT
- Average rainfall days in November: 10.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in November
Old Greenwich, CT
- Average snowfall in November: 0.24"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in November
Old Greenwich, CT
- Average snowfall days in November: 1.1 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in November
Old Greenwich, CT
- Average sea temperature in November: 53.8°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 November /
Average sunshine in November
Old Greenwich, CT
- Average daylight in November: 9h and 54min
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 November: 5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in November
Old Greenwich, CT
- Average sunshine days in November: 17.9 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in November
Old Greenwich, CT
- Average UV index in November: 2
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 November
Old Greenwich, CT
- Average cloud cover in November: 38
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 November
Old Greenwich, CT
- Average visibility in November: 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).
