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November Weather in Portland, United States

Last updated: June 24, 2025

In November, the average temperature in Portland, United States hovers around 6°C (43°F). Expect a chilly minimum of -7°C (19°F) and a pleasant maximum of 18°C (65°F). With an average humidity of 88%, you might feel the dampness in the air. This month also brings about 125 mm (4.9 in) of precipitation spread across 17 days, so don’t forget your umbrella!

November Temperature in Portland

In November in Portland, the average temperature is 6°C (43°F). Maximums can reach 18°C (65°F) and minimums can drop to as low as -7°C (19°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is essential for comfort.

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 6°C (43°F), with highs reaching up to 18°C (65°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec292934415163717166564235
Data source: Temperature data for Portland generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

November Precipitation in Portland

In Portland in November, the precipitation amount is 125 mm (4.9 in) spread over 17 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 125 mm (4.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec9898951121111021268588151125128
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
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November Humidity in Portland

In Portland in November, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

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.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
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 reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Portland for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098642
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.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)98 mm (3.9 inches)91%low
February Weather-1°C (30°F)98 mm (3.9 inches)91%moderate
March Weather1°C (34°F)95 mm (3.7 inches)88%high
April Weather5°C (41°F)112 mm (4.4 inches)88%very high
May Weather11°C (52°F)111 mm (4.4 inches)82%very high
June Weather17°C (63°F)102 mm (4.0 inches)79%very high
July Weather22°C (72°F)125 mm (4.9 inches)77%very high
August Weather22°C (71°F)85 mm (3.3 inches)72%very high
September Weather19°C (66°F)88 mm (3.5 inches)76%very high
October Weather13°C (56°F)151 mm (5.9 inches)83%high
November Weather6°C (43°F)125 mm (4.9 inches)88%moderate
December Weather2°C (36°F)128 mm (5.0 inches)87%low

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