November Weather in Portland, United States

Last updated: June 24, 2025

In November, the average temperature in Portland, United States hovers around 1°C (35°F). Expect a chilly minimum of -16°C (3°F), while the mercury can rise to a pleasant 22°C (72°F). Precipitation is relatively moderate, with an average of 53 mm (2.1 in) spread over 7 days. You'll also feel the dampness in the air, as the average humidity reaches a high 88%.

November Temperature in Portland

In November in Portland, the average temperature is 1°C (35°F), with maximums reaching up to 22°C (72°F) and minimums plummeting as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm and mild clothing options.

November Weather in Portland: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Portland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portland, November typically has an average temperature of 1°C (35°F), with highs reaching up to 22°C (72°F) and lows dropping to around -16°C (3°F).

Data source: Temperature data for Portland generated using information from the Copernicus Climate Change Service.

November Precipitation in Portland

In Portland in November, the total precipitation amount is 53 mm (2.1 in) spread over a period of 7 days.

November Precipitation Trends in Portland

The chart displays monthly precipitation patterns in Portland, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In Portland, November typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

November Humidity in Portland

In Portland in November, humidity is 88%. With an average temperature of 1°C (35°F), this humidity feels like a chilly embrace, making travel quite uncomfortable as the cold moisture clings to your skin, leaving you feeling damp and frigid.

November Average Humidity in Portland

This chart illustrates the average monthly humidity levels in Portland, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in Portland is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in Portland

In Portland in November, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Portland, you can check the information here.

Maximum UV Index Levels in Portland for November

The chart shows the monthly maximum UV Index (UVI) for Portland in November, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In November, the maximum UV index in Portland typically reaches 3, which falls under the moderate exposure category.

Data source: Portland November UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How November Weather in Portland Compares to Other Months

Weather in Portland varies notably across the year, with each month offering distinct climate conditions. This page compares November’s weather to other months in Portland, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Portland, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	38 mm (1.5 inches)	84%	low
February Weather	-6°C (21°F)	54 mm (2.1 inches)	85%	moderate
March Weather	2°C (35°F)	60 mm (2.3 inches)	84%	moderate
April Weather	7°C (45°F)	92 mm (3.6 inches)	83%	very high
May Weather	15°C (59°F)	139 mm (5.5 inches)	75%	very high
June Weather	21°C (70°F)	124 mm (4.9 inches)	79%	very high
July Weather	23°C (74°F)	112 mm (4.4 inches)	75%	very high
August Weather	21°C (70°F)	112 mm (4.4 inches)	69%	very high
September Weather	18°C (64°F)	111 mm (4.4 inches)	74%	very high
October Weather	10°C (50°F)	119 mm (4.7 inches)	79%	moderate
November Weather	1°C (35°F)	53 mm (2.1 inches)	88%	moderate
December Weather	-3°C (27°F)	44 mm (1.7 inches)	82%	low