November weather forecastSouth Portland, ME
November
Weather in November
November in South Portland witnesses a sharp contrast from the fall hues to a wintery ambiance. The cooler weather engulfs the city as temperatures dip further to an average low of 37.2°F (2.9°C). The picturesque cityscape starts to gradually get adorned with the white cover of the first snowfalls, amounting to about 0.94" (24mm). As the chill intensifies, the city gets ready for the holiday season. With daylight hours decreasing and nights getting longer, winter slowly starts showing its frosty fangs.Temperature
November weather in South Portland is marked by a drop in the average high-temperature, falling from a refreshing 56.3°F (13.5°C) in October to a frosty 46°F (7.8°C). Maintaining close parity with daytime warmth, the average nocturnal temperature in South Portland during November stays at a cold 37.2°F (2.9°C).Humidity
The least humid month is November, with an average relative humidity of 74%.Rainfall
In South Portland, Maine, in November, it is raining for 8.9 days, with typically 1.69" (43mm) of accumulated precipitation. In South Portland, during the entire year, the rain falls for 127 days and collects up to 21.93" (557mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In November, it is snowing for 2.1 days. Throughout November, 0.94" (24mm) of snow is accumulated. Throughout the year, in South Portland, there are 29.7 snowfall days, and 11.73" (298mm) of snow is accumulated.Ocean temperature
In South Portland, in November, the average water temperature is 49.6°F (9.8°C).Note: Swimming in 49.6°F (9.8°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
In November, the average length of the day in South Portland is 9h and 41min.On the first day of November in South Portland, sunrise is at 7:17 am and sunset at 5:31 pm EDT. On the last day of the month, sunrise is at 6:54 am and sunset at 4:05 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 5.4h.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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In November, the maximum UV index of 2 transforms into these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in November
South Portland, ME
- Average high temperature in November: 46°F
The warmest month (with the highest average high temperature) is July (72.5°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in November: 37.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in November
South Portland, ME
- Average pressure in November: 30.05"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in November
South Portland, ME
- Average wind speed in November: 11.2mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in November
South Portland, ME
- Average humidity in November: 74%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).
Average rainfall in November
South Portland, ME
- Average rainfall in November: 1.69"
The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in November
South Portland, ME
- Average rainfall days in November: 8.9 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in November
South Portland, ME
- Average snowfall in November: 0.94"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in November
South Portland, ME
- Average snowfall days in November: 2.1 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in November
South Portland, ME
- Average sea temperature in November: 49.6°F
The best month for swimming (with the highest average sea temperature) is August (63.7°F).
The coldest month (with the lowest average sea temperature) is March (38°F).
Average daylight in November /
Average sunshine in November
South Portland, ME
- Average daylight in November: 9h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in November: 5h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in November
South Portland, ME
- Average sunshine days in November: 19 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in November
South Portland, ME
- Average UV index in November: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in November
South Portland, ME
- Average cloud cover in November: 40
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in November
South Portland, ME
- 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).





