November is one of the cooler months of the year in Santa Rosa, with average highs near 17.5°C and lows around 6.2°C (mean 11.9°C). It is a relatively wet time of year, averaging 89 mm of rainfall and 72% relative humidity across the period.
November is one of the cooler months of the year in Santa Rosa. Across 45 years of records, the warmest November in Santa Rosa was 1995 — when the month averaged 15.7°C — while the coldest was 1994 at 7.9°C. Typical November days reach 17.5°C with nights near 6.2°C. The long-term trend is warming, about 0.3°C per decade.
November is a relatively wet time of year in Santa Rosa, averaging 89 mm of rainfall. The wettest November on record was 1983 with 250 mm, while the driest was 1995 at 5 mm.
Relative humidity in Santa Rosa during November averages 72%. The most humid November was 1984 at 85%, and the least humid was 2018 at 49%.
November receives about 2.8 kWh/m²/day of solar energy in Santa Rosa. The sunniest November was 1991 at 3.3 kWh/m²/day, and the cloudiest was 1984 at 2.2.
Average wind speed in Santa Rosa during November is 1.5 m/s. The windiest November was 1984 at 1.8 m/s, while the calmest were 2000, 2014 and 2016, among others at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.1°C | 12.1°C | 11.7°C | 12.2°C | 11.9°C | +0.8°C |
| Avg High | 16.4°C | 17.9°C | 17.4°C | 18.0°C | 17.6°C | +1.2°C |
| Avg Low | 5.8°C | 6.3°C | 6.0°C | 6.5°C | 6.2°C | +0.4°C |
| Avg Rain | 144 mm | 81 mm | 70 mm | 75 mm | 73 mm | -71 mm |
November temperatures in Santa Rosa have risen by about 1.8°C between 1981–1985 and 2021–2025.
November has ranged from a record low of -3.6°C (1985) to a record high of 30.6°C (2020).
Rainfall in November is a relatively wet time of year, averaging 89 mm, with a wettest year of 250 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A good time to visit Santa Rosa
November is a good time to visit Santa Rosa, with days averaging 17.5°C and nights around 6.2°C (mean 11.9°C, cooler than Santa Rosa's yearly average) and higher rainfall. September 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 | 18.6°C | 13.4°C | 8.2°C | 26.5°C | 3.0°C | 99 mm | 82% | 1.3 m/s | 2.5 |
| 2024 | 16.2°C | 11.1°C | 6.0°C | 24.8°C | 0.9°C | 197 mm | 77% | 1.7 m/s | 2.6 |
| 2023 | 18.8°C | 12.9°C | 7.0°C | 27.8°C | 0.7°C | 40 mm | 69% | 1.4 m/s | 2.9 |
| 2022 | 16.3°C | 10.0°C | 3.7°C | 20.6°C | 0.2°C | 39 mm | 67% | 1.5 m/s | 3 |
| 2021 | 17.2°C | 12.0°C | 6.8°C | 21.3°C | 2.1°C | 36 mm | 82% | 1.4 m/s | 2.8 |
| 2020 | 18.6°C | 12.0°C | 5.3°C | 30.6°C | 0.8°C | 27 mm | 63% | 1.5 m/s | 3.1 |
| 2019 | 21.1°C | 14.1°C | 7.1°C | 28.0°C | 0.2°C | 37 mm | 55% | 1.4 m/s | 3 |
| 2018 | 20.1°C | 13.7°C | 7.3°C | 29.7°C | 2.9°C | 108 mm | 49% | 1.6 m/s | 2.8 |
| 2017 | 17.0°C | 12.0°C | 6.9°C | 22.9°C | 2.2°C | 91 mm | 80% | 1.4 m/s | 2.4 |
| 2016 | 17.6°C | 12.5°C | 7.5°C | 25.2°C | 2.0°C | 61 mm | 82% | 1.2 m/s | 2.8 |
| 2015 | 16.5°C | 10.5°C | 4.6°C | 22.5°C | -2.1°C | 45 mm | 69% | 1.5 m/s | 3.1 |
| 2014 | 18.5°C | 13.2°C | 7.9°C | 26.4°C | 3.7°C | 73 mm | 74% | 1.2 m/s | 2.7 |
| 2013 | 19.5°C | 13.1°C | 6.8°C | 25.9°C | 1.3°C | 25 mm | 58% | 1.4 m/s | 3 |
| 2012 | 17.8°C | 12.6°C | 7.4°C | 27.5°C | 1.4°C | 191 mm | 78% | 1.5 m/s | 2.7 |
| 2011 | 15.6°C | 10.1°C | 4.6°C | 22.0°C | 0.7°C | 50 mm | 74% | 1.5 m/s | 2.7 |
| 2010 | 16.1°C | 10.6°C | 5.1°C | 24.9°C | -3.0°C | 71 mm | 75% | 1.6 m/s | 2.9 |
| 2009 | 17.2°C | 11.3°C | 5.3°C | 26.5°C | 1.7°C | 23 mm | 70% | 1.5 m/s | 3 |
| 2008 | 19.0°C | 13.0°C | 7.1°C | 25.0°C | 3.1°C | 73 mm | 76% | 1.4 m/s | 2.6 |
| 2007 | 19.3°C | 12.7°C | 6.1°C | 26.3°C | 0.1°C | 18 mm | 64% | 1.4 m/s | 3 |
| 2006 | 16.9°C | 11.6°C | 6.4°C | 25.6°C | -1.0°C | 69 mm | 79% | 1.3 m/s | 2.6 |
| 2005 | 18.2°C | 12.2°C | 6.2°C | 23.5°C | 1.0°C | 71 mm | 72% | 1.7 m/s | 2.8 |
| 2004 | 16.8°C | 11.0°C | 5.1°C | 22.4°C | -1.4°C | 62 mm | 72% | 1.4 m/s | 2.7 |
| 2003 | 15.0°C | 10.1°C | 5.2°C | 20.8°C | -0.8°C | 88 mm | 76% | 1.3 m/s | 2.5 |
| 2002 | 19.1°C | 13.0°C | 6.9°C | 24.1°C | 2.8°C | 91 mm | 66% | 1.5 m/s | 2.8 |
| 2001 | 17.1°C | 12.1°C | 7.1°C | 26.7°C | 1.3°C | 173 mm | 78% | 1.4 m/s | 2.4 |
| 2000 | 15.8°C | 9.9°C | 4.1°C | 22.6°C | -1.6°C | 28 mm | 74% | 1.2 m/s | 2.9 |
| 1999 | 17.8°C | 12.5°C | 7.2°C | 25.9°C | 1.5°C | 85 mm | 79% | 1.3 m/s | 2.5 |
| 1998 | 15.2°C | 10.4°C | 5.6°C | 19.0°C | 1.2°C | 144 mm | 84% | 1.5 m/s | 2.4 |
| 1997 | 17.5°C | 12.9°C | 8.2°C | 28.2°C | 4.0°C | 189 mm | 79% | 1.4 m/s | 2.3 |
| 1996 | 17.7°C | 12.2°C | 6.8°C | 24.5°C | 3.2°C | 84 mm | 75% | 1.6 m/s | 2.6 |
| 1995 🔥 | 22.6°C | 15.7°C | 8.8°C | 28.7°C | 4.6°C | 5 mm | 65% | 1.2 m/s | 3 |
| 1994 ❄️ | 13.0°C | 7.9°C | 2.8°C | 18.5°C | -2.1°C | 170 mm | 76% | 1.7 m/s | 2.8 |
| 1993 | 17.9°C | 11.5°C | 5.0°C | 28.4°C | -2.0°C | 77 mm | 56% | 1.7 m/s | 3 |
| 1992 | 18.4°C | 12.1°C | 5.9°C | 25.2°C | 0.9°C | 10 mm | 64% | 1.5 m/s | 3 |
| 1991 | 19.4°C | 13.3°C | 7.1°C | 28.1°C | 2.8°C | 29 mm | 62% | 1.7 m/s | 3.3 |
| 1990 | 19.6°C | 12.7°C | 5.7°C | 27.1°C | 0.5°C | 13 mm | 56% | 1.5 m/s | 3 |
| 1989 | 19.3°C | 12.6°C | 5.8°C | 25.0°C | 0.1°C | 43 mm | 67% | 1.5 m/s | 3.2 |
| 1988 | 15.9°C | 11.3°C | 6.6°C | 23.5°C | 1.3°C | 121 mm | 81% | 1.7 m/s | 2.4 |
| 1987 | 17.6°C | 11.8°C | 6.0°C | 24.9°C | -0.3°C | 101 mm | 75% | 1.4 m/s | 2.6 |
| 1986 | 20.8°C | 13.8°C | 6.7°C | 27.8°C | 1.0°C | 6 mm | 54% | 1.6 m/s | 3.1 |
| 1985 | 14.7°C | 9.2°C | 3.7°C | 25.0°C | -3.6°C | 122 mm | 69% | 1.4 m/s | 2.6 |
| 1984 | 13.8°C | 9.7°C | 5.6°C | 19.8°C | 1.5°C | 241 mm | 85% | 1.8 m/s | 2.2 |
| 1983 🌧️ | 14.7°C | 10.3°C | 6.0°C | 23.1°C | 2.0°C | 250 mm | 85% | 1.7 m/s | — |
| 1982 | 14.4°C | 9.7°C | 5.0°C | 21.8°C | 0.7°C | 195 mm | 76% | 1.5 m/s | — |
| 1981 | 16.3°C | 11.7°C | 7.2°C | 24.2°C | 1.1°C | 215 mm | 82% | 1.5 m/s | — |
Actual recorded November data for each year, 1981–2025 — sourced from NASA POWER.
The average high in November is around 17.5°C with lows near 6.2°C (mean 11.9°C), based on 45 years of NASA POWER data.
November averages 89 mm of rainfall in Santa Rosa, a relatively wet time of year. The wettest on record was 250 mm in 1983.
The hottest November reached 30.6°C in 2020. The coldest dipped to -3.6°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average November temperatures have risen by about 1.8°C. Daytime highs moved from 14.8°C to 17.4°C and overnight lows from 5.5°C to 6.3°C over the same span.
November is one of the cooler months of the year in Santa Rosa and a relatively wet time of year, so plan for around 17.5°C daytime highs and 6.2°C at night.
Not quite — November is the 5th coolest month in Santa Rosa, averaging 11.9°C.
For November in Santa Rosa, pack warm layers and a jacket for chilly mornings, with typical highs of 17.5°C and lows of 6.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in November averages 72% — moderately humid.
Average wind speed in November is 1.5 m/s. The windiest November on record averaged 1.8 m/s (1984).
The wettest November on record was 1983 with 250 mm. On average, November sees 89 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 Santa Rosa 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.
