Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Weather Guide
Best months: August, July, September
Across the year, average daytime temperatures are around 23°C, sunshine averages 8.6h per day, and rainfall totals about 291mm.
Annual averages
Temp
23°C
Rain
291mm
Annual total
Sun
8.6h
Weather score
68
Good avg
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 4mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.7h per day, so bright days are a strong part of the month.
Map
Compare Chula Vista, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
August29°C average high
August is one of Chula Vista's warmest months, with daytime heat above the yearly average.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
August4mm average rain
August is one of Chula Vista's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August9.7 hours average sun
August is brighter than Chula Vista's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril and July to August
This stretch has the strongest sunshine in the monthly averages.
August93 weather score
August is one of Chula Vista's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.