November is close to Portland's year-round average, with average highs near 16.6°C and lows around 12.4°C (mean 14.5°C). It is about average for rainfall, averaging 53 mm of rainfall and 76% relative humidity across the period.
November is close to Portland's year-round average. Across 45 years of records, the warmest November in Portland was 2017 — when the month averaged 17.1°C — while the coldest were 1994 and 1996 at 13.3°C. Typical November days reach 16.6°C with nights near 12.4°C. The long-term November temperature trend is broadly flat.
November is about average for rainfall in Portland, averaging 53 mm of rainfall. The wettest November on record was 2007 with 128 mm, while the driest was 2006 at 18 mm.
Relative humidity in Portland during November averages 76%. The most humid November was 2000 at 84%, and the least humid was 1982 at 71%.
November receives about 6.4 kWh/m²/day of solar energy in Portland. The sunniest November was 1990 at 7.1 kWh/m²/day, and the cloudiest was 2018 at 5.7.
Average wind speed in Portland during November is 5.3 m/s. The windiest Novembers were 1996, 2019 and 2025 at 6.3 m/s, while the calmest was 2009 at 4.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.6°C | 14.0°C | 14.8°C | 14.8°C | 14.7°C | +0.1°C |
| Avg High | 16.8°C | 16.0°C | 16.8°C | 16.9°C | 16.7°C | -0.1°C |
| Avg Low | 12.4°C | 11.9°C | 12.7°C | 12.7°C | 12.7°C | +0.3°C |
| Avg Rain | 48 mm | 50 mm | 57 mm | 48 mm | 70 mm | +23 mm |
November temperatures in Portland have fallen by about 0.3°C between 1981–1985 and 2021–2025.
November has ranged from a record low of 8.9°C (2022) to a record high of 29.6°C (2017).
Rainfall in November is about average for rainfall, averaging 53 mm, with a wettest year of 128 mm.
A good time to visit Portland
November is a good time to visit Portland, with days averaging 16.6°C and nights around 12.4°C (mean 14.5°C, close to Portland's yearly average) and moderate rainfall. February and January are marginally more temperate, but November still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 15.2°C | 13.5°C | 11.9°C | 23.3°C | 10.5°C | 78 mm | 78% | 6.3 m/s | 6.2 |
| 2024 | 18.1°C | 15.8°C | 13.6°C | 29.5°C | 11.4°C | 77 mm | 74% | 5.1 m/s | 6.1 |
| 2023 | 16.1°C | 14.6°C | 13.1°C | 24.8°C | 11.3°C | 44 mm | 79% | 4.8 m/s | 5.8 |
| 2022 | 16.2°C | 14.3°C | 12.5°C | 23.3°C | 8.9°C | 92 mm | 78% | 5.6 m/s | 6.1 |
| 2021 | 16.0°C | 14.0°C | 11.9°C | 23.4°C | 10.4°C | 50 mm | 76% | 5.1 m/s | 6.5 |
| 2020 | 18.5°C | 15.8°C | 13.1°C | 25.9°C | 10.5°C | 80 mm | 77% | 5 m/s | 6.7 |
| 2019 | 15.7°C | 13.6°C | 11.5°C | 27.6°C | 10.0°C | 53 mm | 75% | 6.3 m/s | 5.9 |
| 2018 | 16.4°C | 14.4°C | 12.5°C | 24.6°C | 10.8°C | 46 mm | 76% | 5.1 m/s | 5.7 |
| 2017 🔥 | 19.6°C | 17.1°C | 14.6°C | 29.6°C | 9.9°C | 91 mm | 76% | 4.5 m/s | 6.8 |
| 2016 | 15.5°C | 13.6°C | 11.8°C | 23.9°C | 10.0°C | 32 mm | 78% | 5.4 m/s | 6.2 |
| 2015 | 17.0°C | 15.0°C | 12.9°C | 24.0°C | 11.0°C | 34 mm | 75% | 5.2 m/s | 5.9 |
| 2014 | 17.2°C | 14.9°C | 12.5°C | 24.9°C | 10.7°C | 24 mm | 72% | 5.1 m/s | 6.7 |
| 2013 | 15.6°C | 13.9°C | 12.1°C | 23.8°C | 10.4°C | 66 mm | 79% | 5.6 m/s | 6 |
| 2012 | 17.2°C | 15.0°C | 12.8°C | 27.4°C | 11.2°C | 26 mm | 76% | 4.6 m/s | 6.7 |
| 2011 | 18.1°C | 15.8°C | 13.5°C | 25.5°C | 12.1°C | 47 mm | 77% | 5 m/s | 6.2 |
| 2010 | 16.5°C | 14.4°C | 12.3°C | 26.7°C | 10.0°C | 57 mm | 79% | 5.1 m/s | 6 |
| 2009 | 19.1°C | 16.7°C | 14.2°C | 28.1°C | 10.9°C | 58 mm | 77% | 4.2 m/s | 6.4 |
| 2008 | 16.3°C | 14.2°C | 12.1°C | 23.4°C | 10.6°C | 42 mm | 77% | 5.9 m/s | 5.9 |
| 2007 🌧️ | 16.5°C | 14.8°C | 13.1°C | 23.1°C | 11.0°C | 128 mm | 82% | 4.5 m/s | 6.2 |
| 2006 | 15.8°C | 13.8°C | 11.8°C | 26.4°C | 9.5°C | 18 mm | 77% | 5.6 m/s | 6.6 |
| 2005 | 17.8°C | 15.6°C | 13.4°C | 24.8°C | 12.1°C | 39 mm | 75% | 4.9 m/s | 6.5 |
| 2004 | 16.3°C | 14.1°C | 11.9°C | 27.2°C | 9.4°C | 65 mm | 77% | 5.2 m/s | 6.1 |
| 2003 | 17.3°C | 14.9°C | 12.5°C | 27.2°C | 9.8°C | 35 mm | 75% | 4.7 m/s | 6.4 |
| 2002 | 16.7°C | 14.3°C | 12.0°C | 24.5°C | 10.3°C | 57 mm | 74% | 5.1 m/s | 6.7 |
| 2001 | 15.0°C | 13.5°C | 11.9°C | 21.8°C | 9.9°C | 95 mm | 79% | 5.4 m/s | 6 |
| 2000 | 17.5°C | 15.7°C | 13.9°C | 24.7°C | 11.8°C | 36 mm | 84% | 5 m/s | 6.7 |
| 1999 | 16.5°C | 14.5°C | 12.6°C | 25.4°C | 10.9°C | 56 mm | 74% | 5.4 m/s | 6.6 |
| 1998 | 16.3°C | 14.1°C | 12.0°C | 25.4°C | 9.9°C | 46 mm | 75% | 5.4 m/s | 6.8 |
| 1997 | 16.8°C | 14.6°C | 12.4°C | 26.4°C | 10.2°C | 40 mm | 76% | 4.8 m/s | 6.7 |
| 1996 | 15.3°C | 13.3°C | 11.3°C | 22.7°C | 10.0°C | 31 mm | 74% | 6.3 m/s | 6.5 |
| 1995 | 16.4°C | 14.2°C | 12.0°C | 23.1°C | 10.5°C | 48 mm | 76% | 5.9 m/s | 6.4 |
| 1994 ❄️ | 15.1°C | 13.3°C | 11.4°C | 24.5°C | 9.1°C | 52 mm | 76% | 5.9 m/s | 6.4 |
| 1993 | 16.0°C | 13.8°C | 11.6°C | 25.2°C | 9.4°C | 43 mm | 76% | 5 m/s | 6.4 |
| 1992 | 15.4°C | 13.4°C | 11.5°C | 22.3°C | 9.0°C | 86 mm | 78% | 5.7 m/s | 6.4 |
| 1991 | 16.0°C | 13.8°C | 11.6°C | 24.6°C | 9.2°C | 65 mm | 74% | 5.4 m/s | 6.5 |
| 1990 | 16.6°C | 14.5°C | 12.3°C | 24.2°C | 9.7°C | 33 mm | 76% | 5.5 m/s | 7.1 |
| 1989 | 16.5°C | 14.6°C | 12.6°C | 24.6°C | 10.0°C | 28 mm | 78% | 4.7 m/s | 6.8 |
| 1988 | 17.2°C | 14.9°C | 12.5°C | 25.7°C | 9.9°C | 60 mm | 74% | 6 m/s | 6.7 |
| 1987 | 17.3°C | 14.9°C | 12.6°C | 27.6°C | 10.7°C | 34 mm | 73% | 5.5 m/s | 6.8 |
| 1986 | 15.8°C | 13.7°C | 11.6°C | 22.1°C | 10.2°C | 29 mm | 76% | 5.6 m/s | 6.9 |
| 1985 | 16.4°C | 14.5°C | 12.5°C | 24.2°C | 10.5°C | 75 mm | 79% | 5.1 m/s | 6.3 |
| 1984 | 17.4°C | 15.1°C | 12.8°C | 25.0°C | 10.3°C | 64 mm | 75% | 5.6 m/s | 6.4 |
| 1983 | 16.0°C | 13.9°C | 11.8°C | 23.6°C | 9.4°C | 80 mm | 79% | 5.4 m/s | — |
| 1982 | 17.9°C | 15.3°C | 12.7°C | 25.2°C | 10.7°C | 19 mm | 71% | 5.1 m/s | — |
| 1981 | 17.0°C | 14.6°C | 12.3°C | 26.9°C | 9.9°C | 38 mm | 75% | 5.1 m/s | — |
Actual recorded November data for each year, 1981–2025 — sourced from NASA POWER.
The average high in November is around 16.6°C with lows near 12.4°C (mean 14.5°C), based on 45 years of NASA POWER data.
November averages 53 mm of rainfall in Portland, about average for rainfall. The wettest on record was 128 mm in 2007.
The hottest November reached 29.6°C in 2017. The coldest dipped to 8.9°C in 2022.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average November temperatures have fallen by about 0.3°C — but days and nights have moved in opposite directions. Overnight lows rose from 12.4°C to 12.6°C while daytime highs eased from 16.9°C to 16.3°C, narrowing the gap between day and night.
November is close to Portland's year-round average and about average for rainfall, so plan for around 16.6°C daytime highs and 12.4°C at night.
Not quite — November is the 7th coolest month in Portland, averaging 14.5°C.
For November in Portland, pack light layers you can adjust through the day, with typical highs of 16.6°C and lows of 12.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in November averages 76% — quite humid.
Average wind speed in November is 5.3 m/s. The windiest November on record averaged 6.3 m/s (1996).
The wettest November on record was 2007 with 128 mm. On average, November sees 53 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Portland behaves each November, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for November specifically, along with year-by-year records and how the month has changed over the decades.
