November is one of the cooler months of the year in Portland, with average highs near 8.3°C and lows around 4.2°C (mean 6.3°C). It is a relatively wet time of year, averaging 122 mm of rainfall and 80% relative humidity across the period.
November is one of the cooler months of the year in Portland. Across 45 years of records, the warmest November in Portland was 2011 — when the month averaged 8.5°C — while the coldest was 1996 at 4.3°C. Typical November days reach 8.3°C with nights near 4.2°C. The long-term trend is warming, about 0.3°C per decade.
November is a relatively wet time of year in Portland, averaging 122 mm of rainfall. The wettest November on record was 1983 with 348 mm, while the driest was 2012 at 30 mm.
Relative humidity in Portland during November averages 80%. The most humid November was 2006 at 86%, and the least humid was 2024 at 75%.
November receives about 1.9 kWh/m²/day of solar energy in Portland. The sunniest November was 2021 at 2.3 kWh/m²/day, and the cloudiest was 1985 at 1.5.
Average wind speed in Portland during November is 4.6 m/s. The windiest November was 1989 at 5.3 m/s, while the calmest was 2006 at 3.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 5.9°C | 5.7°C | 6.5°C | 6.3°C | 7.2°C | +1.3°C |
| Avg High | 8.0°C | 7.8°C | 8.4°C | 8.4°C | 9.4°C | +1.4°C |
| Avg Low | 3.7°C | 3.7°C | 4.6°C | 4.1°C | 4.9°C | +1.2°C |
| Avg Rain | 149 mm | 110 mm | 129 mm | 119 mm | 96 mm | -53 mm |
November temperatures in Portland have risen by about 0.8°C between 1981–1985 and 2021–2025.
November has ranged from a record low of -9.2°C (2018) to a record high of 17.6°C (2024).
Rainfall in November is a relatively wet time of year, averaging 122 mm, with a wettest year of 348 mm.
A good time to visit Portland
November is a good time to visit Portland, with days averaging 8.3°C and nights around 4.2°C (mean 6.3°C, cooler than Portland's yearly average) and higher rainfall. August and July 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 | 8.4°C | 6.4°C | 4.3°C | 12.9°C | 1.2°C | 55 mm | 77% | 4.9 m/s | 1.8 |
| 2024 | 10.3°C | 8.1°C | 5.9°C | 17.6°C | 2.1°C | 90 mm | 75% | 4.8 m/s | 2.1 |
| 2023 | 8.0°C | 5.8°C | 3.5°C | 13.7°C | -1.8°C | 91 mm | 77% | 4.6 m/s | 2.1 |
| 2022 | 10.4°C | 8.1°C | 5.7°C | 17.1°C | -2.9°C | 123 mm | 79% | 4.9 m/s | 2.2 |
| 2021 | 9.3°C | 7.2°C | 5.0°C | 14.2°C | -0.5°C | 81 mm | 76% | 4.4 m/s | 2.3 |
| 2020 | 10.2°C | 7.7°C | 5.2°C | 15.1°C | -1.3°C | 134 mm | 83% | 4.4 m/s | 1.8 |
| 2019 | 6.9°C | 4.7°C | 2.4°C | 17.1°C | -5.1°C | 125 mm | 80% | 5.1 m/s | 1.9 |
| 2018 | 6.6°C | 4.6°C | 2.6°C | 13.7°C | -9.2°C | 281 mm | 84% | 5 m/s | 1.6 |
| 2017 | 8.8°C | 6.1°C | 3.5°C | 15.8°C | -2.5°C | 96 mm | 77% | 4.7 m/s | 1.9 |
| 2016 | 9.7°C | 7.5°C | 5.2°C | 12.8°C | 2.0°C | 133 mm | 82% | 4.2 m/s | 1.9 |
| 2015 | 9.8°C | 7.7°C | 5.5°C | 15.8°C | -1.5°C | 77 mm | 81% | 4.1 m/s | 2 |
| 2014 | 8.0°C | 5.7°C | 3.5°C | 13.7°C | -3.9°C | 109 mm | 80% | 4.9 m/s | 1.6 |
| 2013 | 7.7°C | 5.4°C | 3.1°C | 15.8°C | -4.6°C | 106 mm | 76% | 4.9 m/s | 2 |
| 2012 | 7.7°C | 6.0°C | 4.3°C | 13.4°C | -2.6°C | 30 mm | 76% | 4.4 m/s | 2.1 |
| 2011 🔥 | 10.4°C | 8.5°C | 6.5°C | 13.2°C | -0.2°C | 81 mm | 83% | 4.1 m/s | 2 |
| 2010 | 8.4°C | 6.4°C | 4.4°C | 13.2°C | -0.8°C | 148 mm | 79% | 4.7 m/s | 1.8 |
| 2009 | 9.5°C | 7.8°C | 6.1°C | 12.9°C | 2.5°C | 157 mm | 84% | 3.9 m/s | 1.9 |
| 2008 | 7.5°C | 5.8°C | 4.1°C | 14.0°C | -3.1°C | 150 mm | 81% | 4.3 m/s | 1.9 |
| 2007 | 7.2°C | 5.2°C | 3.2°C | 12.5°C | -2.8°C | 124 mm | 79% | 4.7 m/s | 1.9 |
| 2006 | 9.6°C | 8.1°C | 6.6°C | 13.9°C | 1.7°C | 141 mm | 86% | 3.6 m/s | 1.7 |
| 2005 | 8.9°C | 6.7°C | 4.6°C | 12.8°C | -2.1°C | 183 mm | 83% | 4.4 m/s | 1.8 |
| 2004 | 7.9°C | 5.8°C | 3.7°C | 11.7°C | -0.6°C | 113 mm | 78% | 4.4 m/s | 2 |
| 2003 | 8.7°C | 6.6°C | 4.5°C | 15.1°C | -0.6°C | 98 mm | 80% | 4.4 m/s | 1.8 |
| 2002 | 7.2°C | 5.2°C | 3.2°C | 14.3°C | -3.7°C | 144 mm | 84% | 4.8 m/s | 1.6 |
| 2001 | 9.6°C | 7.4°C | 5.2°C | 14.3°C | 1.2°C | 68 mm | 81% | 3.9 m/s | 1.8 |
| 2000 | 8.2°C | 6.4°C | 4.7°C | 12.9°C | -3.5°C | 108 mm | 80% | 4.1 m/s | 1.9 |
| 1999 | 9.2°C | 7.1°C | 5.1°C | 15.6°C | -0.9°C | 76 mm | 81% | 4.7 m/s | 1.8 |
| 1998 | 7.8°C | 5.9°C | 4.1°C | 13.2°C | 1.5°C | 63 mm | 77% | 4.3 m/s | 1.8 |
| 1997 | 6.7°C | 4.9°C | 3.2°C | 13.2°C | -3.0°C | 138 mm | 83% | 4.7 m/s | 1.8 |
| 1996 ❄️ | 6.2°C | 4.3°C | 2.5°C | 13.5°C | -3.5°C | 54 mm | 79% | 4.6 m/s | 1.9 |
| 1995 | 7.4°C | 5.2°C | 3.0°C | 13.9°C | -3.1°C | 192 mm | 79% | 4.9 m/s | 1.7 |
| 1994 | 10.0°C | 7.5°C | 5.1°C | 15.8°C | -2.7°C | 105 mm | 77% | 4.8 m/s | 1.7 |
| 1993 | 8.2°C | 5.7°C | 3.3°C | 12.0°C | -5.4°C | 109 mm | 79% | 4.5 m/s | 1.8 |
| 1992 | 6.4°C | 4.8°C | 3.1°C | 12.7°C | -1.0°C | 121 mm | 80% | 3.9 m/s | 1.8 |
| 1991 | 7.6°C | 5.8°C | 4.0°C | 13.0°C | -0.3°C | 116 mm | 82% | 4.3 m/s | 1.6 |
| 1990 | 8.4°C | 6.1°C | 3.9°C | 15.8°C | -2.0°C | 122 mm | 81% | 5.1 m/s | 1.8 |
| 1989 | 7.3°C | 5.0°C | 2.7°C | 13.8°C | -5.9°C | 121 mm | 80% | 5.3 m/s | 1.8 |
| 1988 | 8.6°C | 6.3°C | 4.0°C | 12.2°C | -1.6°C | 210 mm | 80% | 4.9 m/s | 1.7 |
| 1987 | 7.4°C | 5.2°C | 3.0°C | 14.5°C | -4.7°C | 105 mm | 81% | 4.6 m/s | 1.8 |
| 1986 | 7.4°C | 4.9°C | 2.4°C | 12.2°C | -4.8°C | 130 mm | 77% | 4.7 m/s | 1.8 |
| 1985 | 8.0°C | 6.2°C | 4.3°C | 13.8°C | -1.6°C | 163 mm | 81% | 4.4 m/s | 1.5 |
| 1984 | 8.6°C | 6.5°C | 4.4°C | 13.5°C | -1.4°C | 78 mm | 79% | 4.7 m/s | 2.2 |
| 1983 🌧️ | 8.6°C | 6.5°C | 4.3°C | 13.0°C | 0.2°C | 348 mm | 83% | 5.1 m/s | — |
| 1982 | 9.6°C | 7.3°C | 5.1°C | 16.1°C | -3.1°C | 99 mm | 81% | 4.5 m/s | — |
| 1981 | 6.9°C | 4.9°C | 3.0°C | 12.7°C | -1.4°C | 84 mm | 81% | 4.5 m/s | — |
Actual recorded November data for each year, 1981–2025 — sourced from NASA POWER.
The average high in November is around 8.3°C with lows near 4.2°C (mean 6.3°C), based on 45 years of NASA POWER data.
November averages 122 mm of rainfall in Portland, a relatively wet time of year. The wettest on record was 348 mm in 1983.
The hottest November reached 17.6°C in 2024. The coldest dipped to -9.2°C in 2018.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average November temperatures have risen by about 0.8°C. Daytime highs moved from 8.3°C to 9.3°C and overnight lows from 4.2°C to 4.9°C over the same span.
November is one of the cooler months of the year in Portland and a relatively wet time of year, so plan for around 8.3°C daytime highs and 4.2°C at night.
Not quite — November is the 6th coolest month in Portland, averaging 6.3°C.
For November in Portland, pack warm layers and a jacket for chilly mornings, with typical highs of 8.3°C and lows of 4.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in November averages 80% — quite humid.
Average wind speed in November is 4.6 m/s. The windiest November on record averaged 5.3 m/s (1989).
The wettest November on record was 1983 with 348 mm. On average, November sees 122 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.
