November weather forecast
Portland, ME

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Dusk view of the lit skyscrapers of the Portland city in Maine
Dusk view of the lit skyscrapers of the Portland city in Maine

Weather in November

The month of November brings about a more significant drop in temperature, ranging from 37.2°F (2.9°C) to 46°F (7.8°C). Portland, Maine gears up for the incoming winter season. The trees shed their leaves, making a crunchy carpet underfoot as the city reflects a more desolate yet serene atmosphere. Thanksgiving brings warmth to the city dwellers, with festive lights starting to pop up around Portland. Don't be surprised to find locals bundled up in winter wear as the cold starts to bite.

Temperature

In Portland, the average high-temperature in November decreases from a moderate 56.3°F (13.5°C) in October to a frosty 46°F (7.8°C). In Portland, the nighttime temperature in November descends gently to an average of 37.2°F (2.9°C).

Humidity

With an average relative humidity of 74%, November is the least humid month in Portland, Maine.

Rainfall

In Portland, in November, during 8.9 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 127 rainfall days, and 21.93" (557mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In November, in Portland, it is snowing for 2.1 days. Throughout November, 0.94" (24mm) of snow is accumulated. In Portland, during the entire year, snow falls for 29.7 days and aggregates up to 11.73" (298mm) of snow.

Ocean temperature

In November, the average ocean temperature in Portland is 49.6°F (9.8°C).
Note: Caution: 49.6°F (9.8°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.

Daylight

In November, the average length of the day is 9h and 41min.
On the first day of November in 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

In Portland, Maine, the average sunshine in November is 5.4h.

UV index

The months with the lowest UV index in Portland are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum daily UV index of 2 during November morphs into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are November temperatures in Portland?

The high-temperature, in November, in Portland, is 46°F (7.8°C), while the low-temperature averages to 37.2°F (2.9°C).

What is the least humid month in Portland?

The least humid month in Portland, Maine, is November, with an average relative humidity of 74%.

What is the average humidity in November in Portland?

In November, the average relative humidity in Portland, Maine, is 74%.

How many days does it rain in November in Portland?

In Portland, in November, it is raining for 8.9 days, with typically 1.69" (43mm) of accumulated precipitation.

How much does it snow in Portland in November?

In November, in Portland, it is snowing for 2.1 days. Throughout November, 0.94" (24mm) of snow is accumulated.

What is the water temperature in November in Portland?

In Portland, Maine, the average seawater temperature in November is 49.6°F (9.8°C). Swimming in 49.6°F (9.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in November in Portland?

The average day length in November in Portland, Maine, is 9h and 41min.

When is the sunrise / sunset in November in Portland?

On the first day of November, 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.

When does Daylight Saving Time (DST) end in November in Portland?

On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends in Portland, and the time zone changes from EDT to EST. The next DST starts Sunday, March 9. 2025, at 2:00 am.

How many hours of sunshine does Portland have in November?

In Portland, the average sunshine duration in November is 5.4h.

When is the lowest UV index in Portland?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Portland, Maine.

What is the UV index intensity in November in Portland?

In November, the average daily maximum UV index in Portland is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in November
Portland, ME

Average temperature in November - 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).

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Average pressure in November
Portland, ME

Average pressure in November - 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).

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Average wind speed in November
Portland, ME

Average wind speed in November - 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).

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Average humidity in November
Portland, ME

Average humidity in November - 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%).

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Average rainfall in November
Portland, ME

Average rainfall in November - 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").

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Average rainfall days in November
Portland, ME

Average rainfall days in November - 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).

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Average snowfall in November
Portland, ME

Average snowfall in November - 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").

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Average snowfall days in November
Portland, ME

Average snowfall days in November - 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).

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Average sea temperature in November
Portland, ME

Average sea temperature in November - 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).

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Average daylight in November /
Average sunshine in November
Portland, ME

Average daylight in November / Average sunshine in November - Portland, ME
  • Average daylight in November: 9h and 4min

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 2min

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).

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Average sunshine days in November
Portland, ME

Average sunshine days in November - 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).

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Average UV index in November
Portland, ME

Average UV index in November - 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).

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Average cloud cover in November
Portland, ME

Average cloud cover in November - 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).

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Average visibility in November
Portland, ME

Average visibility in November - 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).

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Portland, Maine, USA

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