Chula Vista (CA) Weather and Climate: A Comprehensive Guide
Temperatures see a moderate degree of fluctuation,
transitioning from warm conditions
to pleasant.
The area is known for its low rainfall.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
The climate in Chula Vista experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a comfortable 26°C in September, the warmest time of the year, to a pleasant 19°C during cooler months like December.
At night, temperatures typically drop to an average of around 8°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Chula Vista experiences desert-like conditions in terms of precipitation with almost no rainfall, generally receiving 220 mm annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives moderate rainfall, averaging 60 mm of precipitation, recorded across 7 rainy days. In contrast, the drier season, June brings less rainfall, with 0.2 mm over 0 rainy days. For more details, please visit our Chula Vista Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
While the amount of sunshine in Chula Vista varies throughout the year, all seasons offer their own charm. Enjoy up to 10.1 hours of daily sun in July, and experience slightly darker atmosphere in February, with about 7.7 hours of daily sunlight. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Chula Vista.
The city experiences its highest humidity in July, reaching 75%. In January, the humidity drops to its lowest level at 64%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and small chance of slight rain broken clouds and no rain almost clear and no rainForecast for Chula Vista (CA)
The best time of year to visit Chula Vista in the United States of America
During the months of January, February, March, April, May, June, July, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in July, August, September and October.
September has an average maximum temperature of 26°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 19°C.
December tops the wettest month list with 60 mm of rainfall.
June is the driest month with 0 mm of precipitation.
July is the sunniest month with an average of 304 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.