Cool
Average highs are around 19°C, so pack for cooler days.
December verdict
Chula Vista, California, United States in December
Weather score50Mixed
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 7.5h per day, enough for a balanced month. Rainfall averages 45mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
19°C
Rain
45mm
Sun
7.5h
Weather score
50
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 45mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.5h per day, enough for a balanced month.
Map
Weather map
Compare Chula Vista, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December19°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
December45mm average rain
December is wetter than Chula Vista's yearly average, so flexible plans matter more.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December7.5 hours average sun
December is one of Chula Vista's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril and July to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
December50 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.
