Napa Valley weather in October
Temperature, rain and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Excellent
Best time to visit: April – October
What is the weather like in Napa Valley in October?
In October, Napa Valley is warm: daytime highs average 24 °C, and nights cool down to about 12 °C. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 28 mm in total. All in all, October is an excellent month for a holiday in Napa Valley.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 96 | 95 | 84 |
| Day | 28° | 24° | 18° |
| Night | 14° | 12° | 8° |
| Sun | 10 h | 8 h | 6 h |
| Rain days | 1 | 3 | 6 |
More details for October
- Daylight
- 11 h 16 min07:17 – 18:33
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 33 %on averageAll months
- Hot days
- 3 days30 °C or moreAll months
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %77 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in October
- Sunscreen
- A jumper for the evenings
Napa Valley in October: quick answers
Is Napa Valley hot in October?
Warm rather than hot: in October, daytime highs in Napa Valley average 24 °C and nights cool to about 12 °C. On about 3 days the thermometer climbs to 30 °C or more.
Does it rain much in Napa Valley in October?
Rain is rare: about 3 days bring 28 mm in total.
Napa Valley month by month
The whole year in Napa ValleyAll destinations: USAWhere to go in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences