Contents
- Weather in November
- Frequently asked questions
- Average temperature in November
- Average pressure in November
- Average wind speed in November
- Average humidity in November
- Average rainfall in November
- Average rainfall days in November
- Average snowfall in November
- Average snowfall days in November
- Average daylight in November
- Average sunshine in November
- Average sunshine days in November
- Average UV index in November
- Average cloud cover in November
- Average visibility in November
Weather in November
Temperature
A subtle decrease in the average high-temperature marks November, falling from October's comfortable 61.7°F (16.5°C) to a cool 50.9°F (10.5°C). During November, South Lyme consistently records a temperature low averaging a wintry 39.9°F (4.4°C).Humidity
In South Lyme, the average relative humidity in November is 74%.Rainfall
In November, the rain falls for 6.6 days. Throughout November, 0.83" (21mm) of precipitation is accumulated. In South Lyme, during the entire year, the rain falls for 110.7 days and collects up to 8.58" (218mm) of precipitation.Snowfall
Months with snowfall in South Lyme are January through March, November and December. November is the first month it typically snows. Throughout November, in the average 0.9 snowfall days, it receives 0.04" (1mm) of snow. In South Lyme, during the entire year, snow falls for 18.4 days and aggregates up to 1.69" (43mm) of snow.Daylight
In South Lyme, the average length of the day in November is 9h and 53min.On the first day of November, sunrise is at 7:21 am and sunset at 5:43 pm EDT. On the last day of the month, sunrise is at 6:55 am and sunset at 4:20 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
In South Lyme, the average sunshine in November is 5.5h.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 health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during November translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. 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. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in November?
What is the average humidity in November?
How much does it rain in November?
When does it start snowing?
How many hours of daylight does South Lyme have in November?
What time are sunrise and sunset in November?
When does Daylight Saving Time (DST) end in November?
How long on average sun shines in November?
What is the month with the lowest UV index?
How high is the UV index in November?
Average temperature in November
South Lyme, CT
- Average high temperature in November: 50.9°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in November: 39.9°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in November
South Lyme, CT
- Average pressure in November: 30.08"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).
Average wind speed in November
South Lyme, CT
- Average wind speed in November: 10.3mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in November
South Lyme, CT
- Average humidity in November: 74%
The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in November
South Lyme, CT
- Average rainfall in November: 0.83"
The wettest month (with the highest rainfall) is December (0.94").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in November
South Lyme, CT
- Average rainfall days in November: 6.6 days
The month with the highest number of rainy days is July (11.5 days).
The months with the least rainy days are February and November (6.6 days).
Average snowfall in November
South Lyme, CT
- Average snowfall in November: 0.04"
The month with the highest snowfall is March (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in November
South Lyme, CT
- Average snowfall days in November: 0.9 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in November /
Average sunshine in November
South Lyme, CT
- Average daylight in November: 9h and 5min
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 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in November
South Lyme, CT
- Average sunshine days in November: 21.1 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (15.8 days).
Average UV index in November
South Lyme, 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
South Lyme, CT
- Average cloud cover in November: 39
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 28).
Average visibility in November
South Lyme, 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).
South Lyme, Connecticut, USA
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