Cool
Average highs are around 18°C, so pack for cooler days.
November verdict
Napa, California, United States in November
Weather score28Poor
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 5.7h per day, enough for a balanced month. Rainfall averages 116mm, so some wet days are possible.
November weather
Monthly averages
Temp
18°C
Rain
116mm
Sun
5.7h
Sea
12°C
Weather score
28
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 116mm, so some wet days are possible.
Some sun
Sunshine averages 5.7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare Napa, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
November18°C average high
November is on the cooler side of Napa's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
November116mm average rain
November sits near Napa's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
November5.7 hours average sun
November is below Napa's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
November12°C average sea
November sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary and August to December
Sea temperatures are usually near 12°C in this stretch, so swimming comfort is at its strongest.
Weather score
November28 weather score
November scores below Napa's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.
