November is one of the cooler months of the year in Sunnyvale, with average highs near 18.4°C and lows around 6.6°C (mean 12.5°C). It is a relatively wet time of year, averaging 65 mm of rainfall and 74% relative humidity across the period.
November is one of the cooler months of the year in Sunnyvale. Across 45 years of records, the warmest November in Sunnyvale was 1995 — when the month averaged 15.5°C — while the coldest was 1994 at 8.7°C. Typical November days reach 18.4°C with nights near 6.6°C. The long-term trend is warming, about 0.3°C per decade.
November is a relatively wet time of year in Sunnyvale, averaging 65 mm of rainfall. The wettest November on record was 1983 with 191 mm, while the driest was 1995 at 3 mm.
Relative humidity in Sunnyvale during November averages 74%. The most humid November was 1998 at 84%, and the least humid was 2018 at 55%.
November receives about 2.8 kWh/m²/day of solar energy in Sunnyvale. The sunniest Novembers were 1989 and 2015 at 3.2 kWh/m²/day, and the cloudiest was 1984 at 2.3.
Average wind speed in Sunnyvale during November is 1.7 m/s. The windiest Novembers were 1983 and 1984 at 2.3 m/s, while the calmest were 2007 and 2014 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.8°C | 12.6°C | 12.4°C | 13.0°C | 12.7°C | +0.9°C |
| Avg High | 17.3°C | 18.7°C | 18.3°C | 19.0°C | 18.6°C | +1.3°C |
| Avg Low | 6.2°C | 6.5°C | 6.5°C | 7.0°C | 6.9°C | +0.7°C |
| Avg Rain | 104 mm | 61 mm | 44 mm | 62 mm | 52 mm | -51 mm |
November temperatures in Sunnyvale have risen by about 1.7°C between 1981–1985 and 2021–2025.
November has ranged from a record low of -4.4°C (1994) to a record high of 32.2°C (2020).
Rainfall in November is a relatively wet time of year, averaging 65 mm, with a wettest year of 191 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 Sunnyvale
November is a good time to visit Sunnyvale, with days averaging 18.4°C and nights around 6.6°C (mean 12.5°C, cooler than Sunnyvale's yearly average) and moderate 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 | 19.0°C | 13.7°C | 8.4°C | 29.4°C | 2.5°C | 100 mm | 84% | 1.5 m/s | 2.6 |
| 2024 | 17.8°C | 12.3°C | 6.8°C | 23.9°C | 2.1°C | 80 mm | 74% | 2 m/s | 2.8 |
| 2023 | 20.5°C | 14.1°C | 7.8°C | 28.9°C | 1.5°C | 32 mm | 69% | 1.6 m/s | 3 |
| 2022 | 16.7°C | 10.6°C | 4.6°C | 22.2°C | 1.3°C | 53 mm | 71% | 1.7 m/s | 3.1 |
| 2021 | 18.7°C | 13.0°C | 7.3°C | 23.2°C | 2.5°C | 25 mm | 83% | 1.5 m/s | 3 |
| 2020 | 19.1°C | 12.6°C | 6.2°C | 32.2°C | 0.8°C | 23 mm | 68% | 1.7 m/s | 3.1 |
| 2019 | 20.9°C | 14.3°C | 7.7°C | 27.6°C | 0.5°C | 37 mm | 64% | 1.5 m/s | 2.7 |
| 2018 | 20.8°C | 14.3°C | 7.7°C | 29.0°C | 2.3°C | 95 mm | 55% | 1.6 m/s | 2.9 |
| 2017 | 19.0°C | 13.5°C | 8.0°C | 24.2°C | 2.4°C | 74 mm | 79% | 1.5 m/s | 2.7 |
| 2016 | 18.6°C | 13.2°C | 7.9°C | 25.5°C | 2.5°C | 46 mm | 83% | 1.5 m/s | 2.8 |
| 2015 | 17.1°C | 11.3°C | 5.5°C | 24.0°C | -0.8°C | 64 mm | 74% | 1.7 m/s | 3.2 |
| 2014 | 19.9°C | 14.1°C | 8.4°C | 26.4°C | 3.6°C | 56 mm | 74% | 1.4 m/s | 2.8 |
| 2013 | 20.2°C | 13.7°C | 7.1°C | 26.4°C | 2.7°C | 24 mm | 64% | 1.5 m/s | 3 |
| 2012 | 19.1°C | 13.4°C | 7.6°C | 30.7°C | 4.0°C | 118 mm | 76% | 1.8 m/s | 2.8 |
| 2011 | 16.8°C | 11.0°C | 5.2°C | 24.8°C | 2.4°C | 37 mm | 76% | 1.8 m/s | 2.8 |
| 2010 | 17.2°C | 11.3°C | 5.3°C | 29.6°C | -2.5°C | 73 mm | 76% | 1.9 m/s | 3 |
| 2009 | 17.7°C | 11.6°C | 5.5°C | 26.8°C | 2.2°C | 9 mm | 73% | 1.7 m/s | 3.1 |
| 2008 | 19.4°C | 13.6°C | 7.7°C | 28.5°C | 3.6°C | 59 mm | 79% | 1.6 m/s | 2.6 |
| 2007 | 19.4°C | 12.7°C | 6.0°C | 26.8°C | -0.6°C | 19 mm | 69% | 1.4 m/s | 2.8 |
| 2006 | 17.7°C | 12.2°C | 6.8°C | 25.3°C | -1.4°C | 38 mm | 80% | 1.6 m/s | 2.7 |
| 2005 | 20.5°C | 13.8°C | 7.1°C | 28.2°C | -0.1°C | 22 mm | 67% | 1.7 m/s | 2.8 |
| 2004 | 17.0°C | 11.3°C | 5.6°C | 21.9°C | -3.0°C | 34 mm | 73% | 1.6 m/s | 2.8 |
| 2003 | 16.5°C | 11.2°C | 5.8°C | 21.6°C | 0.4°C | 57 mm | 76% | 1.6 m/s | 2.7 |
| 2002 | 19.9°C | 13.5°C | 7.1°C | 25.8°C | 2.6°C | 81 mm | 69% | 1.7 m/s | 2.7 |
| 2001 | 18.9°C | 13.3°C | 7.7°C | 27.8°C | -1.0°C | 100 mm | 78% | 1.7 m/s | 2.4 |
| 2000 | 16.0°C | 10.6°C | 5.2°C | 22.2°C | 2.7°C | 19 mm | 76% | 1.5 m/s | 3.1 |
| 1999 | 19.1°C | 13.2°C | 7.3°C | 28.1°C | -0.6°C | 57 mm | 79% | 1.7 m/s | 2.4 |
| 1998 | 15.9°C | 11.1°C | 6.3°C | 19.0°C | 2.0°C | 92 mm | 84% | 1.9 m/s | 2.7 |
| 1997 | 19.2°C | 13.8°C | 8.3°C | 31.5°C | 5.1°C | 146 mm | 78% | 1.8 m/s | 2.7 |
| 1996 | 17.9°C | 12.5°C | 7.0°C | 27.2°C | 0.8°C | 97 mm | 79% | 2 m/s | 2.6 |
| 1995 🔥 | 22.4°C | 15.5°C | 8.6°C | 27.4°C | 5.0°C | 3 mm | 74% | 1.5 m/s | 2.9 |
| 1994 ❄️ | 14.2°C | 8.7°C | 3.3°C | 19.6°C | -4.4°C | 128 mm | 76% | 2.2 m/s | 2.9 |
| 1993 | 19.2°C | 12.2°C | 5.2°C | 28.1°C | -2.5°C | 53 mm | 59% | 1.8 m/s | 3 |
| 1992 | 19.3°C | 12.9°C | 6.5°C | 25.8°C | 0.5°C | 6 mm | 66% | 1.7 m/s | 2.9 |
| 1991 | 19.4°C | 13.0°C | 6.6°C | 28.4°C | 0.6°C | 16 mm | 68% | 2 m/s | 3.1 |
| 1990 | 20.2°C | 12.9°C | 5.7°C | 29.9°C | -0.1°C | 11 mm | 61% | 1.8 m/s | 3 |
| 1989 | 19.7°C | 12.7°C | 5.6°C | 25.7°C | 0.8°C | 36 mm | 70% | 1.6 m/s | 3.2 |
| 1988 | 17.0°C | 12.0°C | 6.9°C | 24.9°C | 1.3°C | 79 mm | 81% | 2.1 m/s | 2.6 |
| 1987 | 17.9°C | 12.2°C | 6.5°C | 24.4°C | -1.1°C | 56 mm | 76% | 1.7 m/s | 2.9 |
| 1986 | 21.4°C | 14.0°C | 6.6°C | 27.0°C | -0.2°C | 6 mm | 57% | 1.7 m/s | 3 |
| 1985 | 15.4°C | 9.9°C | 4.3°C | 25.4°C | -1.5°C | 101 mm | 72% | 1.7 m/s | 2.7 |
| 1984 | 14.9°C | 10.4°C | 5.9°C | 21.9°C | 2.2°C | 159 mm | 83% | 2.3 m/s | 2.3 |
| 1983 🌧️ | 15.8°C | 11.3°C | 6.8°C | 23.7°C | 1.6°C | 191 mm | 82% | 2.3 m/s | — |
| 1982 | 15.6°C | 10.7°C | 5.7°C | 24.0°C | 1.5°C | 157 mm | 76% | 1.8 m/s | — |
| 1981 | 17.7°C | 12.8°C | 7.8°C | 27.1°C | 2.2°C | 147 mm | 80% | 1.8 m/s | — |
Actual recorded November data for each year, 1981–2025 — sourced from NASA POWER.
The average high in November is around 18.4°C with lows near 6.6°C (mean 12.5°C), based on 45 years of NASA POWER data.
November averages 65 mm of rainfall in Sunnyvale, a relatively wet time of year. The wettest on record was 191 mm in 1983.
The hottest November reached 32.2°C in 2020. The coldest dipped to -4.4°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average November temperatures have risen by about 1.7°C. Daytime highs moved from 15.9°C to 18.5°C and overnight lows from 6.1°C to 7°C over the same span.
November is one of the cooler months of the year in Sunnyvale and a relatively wet time of year, so plan for around 18.4°C daytime highs and 6.6°C at night.
Not quite — November is the 5th coolest month in Sunnyvale, averaging 12.5°C.
For November in Sunnyvale, pack warm layers and a jacket for chilly mornings, with typical highs of 18.4°C and lows of 6.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in November averages 74% — moderately humid.
Average wind speed in November is 1.7 m/s. The windiest November on record averaged 2.3 m/s (1983).
The wettest November on record was 1983 with 191 mm. On average, November sees 65 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 Sunnyvale 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.
