Cool
Average highs are around 18°C, so pack for cooler days.
Weather Guide
Vacaville, California, United States Average Monthly Weather
Weather score64Good annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 24°C, sunshine averages 9.2h per day, and rainfall totals about 599mm.
Annual weather
Annual averages
Temp
24°C
Rain
599mm
Annual total
Sun
9.2h
Weather score
64
Good avg
Seasonal climate calendar
Trip feel
Showers
Rainfall averages 82mm, so some wet days are possible.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Map
Weather map
Compare Vacaville, 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 Vacaville'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
November82mm average rain
November sits near Vacaville'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
November6.1 hours average sun
November is below Vacaville's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
November38 weather score
November scores below Vacaville's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
