November is close to Halfmoon Bay's year-round average, with average highs near 12.5°C and lows around 8.9°C (mean 10.7°C). It is about average for rainfall, averaging 99 mm of rainfall and 80% relative humidity across the period.
November is close to Halfmoon Bay's year-round average. Across 45 years of records, the warmest November in Halfmoon Bay was 2025 — when the month averaged 12.1°C — while the coldest were 2000 and 2014 at 9.5°C. Typical November days reach 12.5°C with nights near 8.9°C. The long-term November temperature trend is broadly flat.
November is about average for rainfall in Halfmoon Bay, averaging 99 mm of rainfall. The wettest November on record was 2014 with 167 mm, while the driest was 1998 at 37 mm.
Relative humidity in Halfmoon Bay during November averages 80%. The most humid November was 2010 at 84%, and the least humid was 2015 at 77%.
November receives about 5.6 kWh/m²/day of solar energy in Halfmoon Bay. The sunniest November was 1987 at 6.3 kWh/m²/day, and the cloudiest was 2014 at 4.9.
Average wind speed in Halfmoon Bay during November is 4.2 m/s. The windiest November was 1997 at 6.2 m/s, while the calmest was 2010 at 3.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.0°C | 10.4°C | 10.2°C | 10.8°C | 11.4°C | +0.4°C |
| Avg High | 12.8°C | 12.2°C | 11.9°C | 12.6°C | 13.3°C | +0.5°C |
| Avg Low | 9.2°C | 8.6°C | 8.4°C | 9.0°C | 9.6°C | +0.4°C |
| Avg Rain | 88 mm | 99 mm | 114 mm | 103 mm | 85 mm | -3 mm |
November temperatures in Halfmoon Bay have risen by about 0.6°C between 1981–1985 and 2021–2025.
November has ranged from a record low of 2.7°C (2008) to a record high of 20.5°C (2008).
Rainfall in November is about average for rainfall, averaging 99 mm, with a wettest year of 167 mm.
A good time to visit Halfmoon Bay
November is a good time to visit Halfmoon Bay, with days averaging 12.5°C and nights around 8.9°C (mean 10.7°C, close to Halfmoon Bay's yearly average) and higher rainfall. February and March 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 🔥 | 14.0°C | 12.1°C | 10.3°C | 17.5°C | 7.7°C | 127 mm | 81% | 3.9 m/s | 5.5 |
| 2024 | 12.9°C | 10.9°C | 8.9°C | 17.4°C | 6.0°C | 80 mm | 79% | 4 m/s | 5.6 |
| 2023 | 12.3°C | 10.6°C | 8.9°C | 15.9°C | 6.8°C | 64 mm | 80% | 3.3 m/s | 5.3 |
| 2022 | 13.7°C | 11.9°C | 10.1°C | 17.5°C | 7.7°C | 76 mm | 82% | 3.7 m/s | 5.7 |
| 2021 | 13.4°C | 11.6°C | 9.8°C | 17.1°C | 6.4°C | 90 mm | 83% | 3.5 m/s | 5.8 |
| 2020 | 13.4°C | 11.5°C | 9.6°C | 17.3°C | 6.5°C | 74 mm | 80% | 3.8 m/s | 5.8 |
| 2019 | 13.7°C | 11.6°C | 9.6°C | 17.5°C | 7.0°C | 115 mm | 80% | 4 m/s | 5.6 |
| 2018 | 13.0°C | 11.3°C | 9.7°C | 16.3°C | 5.9°C | 96 mm | 83% | 4.8 m/s | 5.6 |
| 2017 | 13.7°C | 11.8°C | 9.9°C | 16.7°C | 7.3°C | 56 mm | 84% | 3.3 m/s | 6.1 |
| 2016 | 12.5°C | 10.7°C | 8.9°C | 17.9°C | 5.7°C | 110 mm | 81% | 4.7 m/s | 5.2 |
| 2015 | 12.1°C | 10.3°C | 8.5°C | 18.0°C | 5.7°C | 77 mm | 77% | 4.8 m/s | 5.9 |
| 2014 🌧️ | 11.1°C | 9.5°C | 8.0°C | 16.0°C | 6.1°C | 167 mm | 82% | 4.8 m/s | 4.9 |
| 2013 | 12.9°C | 11.0°C | 9.0°C | 16.1°C | 6.1°C | 67 mm | 81% | 3.4 m/s | 5.6 |
| 2012 | 11.8°C | 10.1°C | 8.4°C | 14.8°C | 5.5°C | 101 mm | 80% | 4.1 m/s | 5.7 |
| 2011 | 11.9°C | 10.1°C | 8.3°C | 17.7°C | 4.8°C | 152 mm | 80% | 4.7 m/s | 5 |
| 2010 | 13.6°C | 11.7°C | 9.8°C | 17.3°C | 6.8°C | 87 mm | 84% | 3.2 m/s | 5.3 |
| 2009 | 11.3°C | 9.7°C | 8.1°C | 16.0°C | 5.2°C | 112 mm | 78% | 6 m/s | 5.5 |
| 2008 | 12.3°C | 10.3°C | 8.2°C | 20.5°C | 2.7°C | 134 mm | 81% | 4.3 m/s | 5.3 |
| 2007 | 11.4°C | 10.0°C | 8.5°C | 16.4°C | 5.6°C | 89 mm | 82% | 4.4 m/s | 5.4 |
| 2006 | 11.4°C | 9.8°C | 8.1°C | 15.5°C | 4.5°C | 145 mm | 78% | 5 m/s | 5.4 |
| 2005 | 12.8°C | 10.9°C | 9.1°C | 18.1°C | 6.7°C | 121 mm | 80% | 4.2 m/s | 5.9 |
| 2004 | 12.7°C | 10.9°C | 9.1°C | 17.1°C | 6.2°C | 94 mm | 82% | 4.1 m/s | 5.2 |
| 2003 | 11.6°C | 9.9°C | 8.1°C | 16.2°C | 6.4°C | 154 mm | 80% | 5.3 m/s | 5.2 |
| 2002 | 11.8°C | 10.2°C | 8.5°C | 16.2°C | 5.8°C | 114 mm | 83% | 4.1 m/s | 5.1 |
| 2001 | 12.7°C | 10.8°C | 8.9°C | 17.9°C | 6.8°C | 107 mm | 81% | 3.6 m/s | 5.5 |
| 2000 ❄️ | 11.2°C | 9.5°C | 7.7°C | 14.2°C | 5.2°C | 67 mm | 78% | 4.5 m/s | 5.7 |
| 1999 | 12.6°C | 10.8°C | 9.0°C | 16.6°C | 6.4°C | 127 mm | 80% | 3.8 m/s | 5.2 |
| 1998 | 12.3°C | 10.4°C | 8.5°C | 16.2°C | 6.2°C | 37 mm | 78% | 3.4 m/s | 5.7 |
| 1997 | 11.6°C | 9.9°C | 8.2°C | 16.9°C | 5.6°C | 137 mm | 80% | 6.2 m/s | 5.2 |
| 1996 | 11.3°C | 9.7°C | 8.0°C | 14.9°C | 6.2°C | 162 mm | 82% | 4.5 m/s | 5.7 |
| 1995 | 11.8°C | 10.0°C | 8.3°C | 14.9°C | 5.5°C | 72 mm | 80% | 4 m/s | 5.4 |
| 1994 | 12.2°C | 10.4°C | 8.6°C | 16.5°C | 5.2°C | 140 mm | 79% | 4.9 m/s | 5.4 |
| 1993 | 12.1°C | 10.1°C | 8.1°C | 16.5°C | 5.2°C | 82 mm | 78% | 3.7 m/s | 5.6 |
| 1992 | 13.6°C | 11.7°C | 9.9°C | 18.9°C | 6.8°C | 48 mm | 81% | 3.5 m/s | 5.6 |
| 1991 | 11.4°C | 9.6°C | 7.8°C | 16.9°C | 6.3°C | 128 mm | 79% | 4.5 m/s | 5.7 |
| 1990 | 13.2°C | 11.2°C | 9.3°C | 17.0°C | 6.7°C | 61 mm | 79% | 3.6 m/s | 5.7 |
| 1989 | 13.7°C | 11.8°C | 10.0°C | 17.0°C | 6.3°C | 90 mm | 79% | 4.5 m/s | 5.9 |
| 1988 | 12.7°C | 10.8°C | 8.9°C | 18.4°C | 4.2°C | 85 mm | 82% | 4.2 m/s | 5.7 |
| 1987 | 12.9°C | 11.0°C | 9.1°C | 17.2°C | 6.7°C | 55 mm | 81% | 3.8 m/s | 6.3 |
| 1986 | 13.0°C | 11.4°C | 9.8°C | 17.1°C | 6.5°C | 113 mm | 83% | 3.6 m/s | 5.7 |
| 1985 | 12.0°C | 10.3°C | 8.7°C | 16.9°C | 6.1°C | 114 mm | 81% | 4.3 m/s | 5.8 |
| 1984 | 13.2°C | 11.5°C | 9.7°C | 16.7°C | 6.7°C | 81 mm | 80% | 4.4 m/s | 6.2 |
| 1983 | 12.8°C | 11.0°C | 9.1°C | 18.0°C | 7.7°C | 62 mm | 78% | 3.7 m/s | — |
| 1982 | 11.9°C | 10.2°C | 8.5°C | 16.6°C | 5.4°C | 132 mm | 79% | 5.8 m/s | — |
| 1981 | 13.0°C | 11.2°C | 9.4°C | 16.8°C | 5.7°C | 64 mm | 83% | 3.4 m/s | — |
Actual recorded November data for each year, 1981–2025 — sourced from NASA POWER.
The average high in November is around 12.5°C with lows near 8.9°C (mean 10.7°C), based on 45 years of NASA POWER data.
November averages 99 mm of rainfall in Halfmoon Bay, about average for rainfall. The wettest on record was 167 mm in 2014.
The hottest November reached 20.5°C in 2008. The coldest dipped to 2.7°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average November temperatures have risen by about 0.6°C. Daytime highs moved from 12.6°C to 13.3°C and overnight lows from 9.1°C to 9.6°C over the same span.
November is close to Halfmoon Bay's year-round average and about average for rainfall, so plan for around 12.5°C daytime highs and 8.9°C at night.
Not quite — November is the 7th coolest month in Halfmoon Bay, averaging 10.7°C.
For November in Halfmoon Bay, pack light layers you can adjust through the day, with typical highs of 12.5°C and lows of 8.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in November averages 80% — quite humid.
Average wind speed in November is 4.2 m/s. The windiest November on record averaged 6.2 m/s (1997).
The wettest November on record was 2014 with 167 mm. On average, November sees 99 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 Halfmoon Bay 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.
