El Cajon (CA) Weather and Climate: A Comprehensive Guide
El Cajon experiences great temperature shifts.
The city's weather can transition from very warm days
to pleasant weather.
It maintains fairly dry conditions year-round.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
The climate in El Cajon is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 32°C in August to a pleasant 20°C in January.
Nighttime temperatures can drop, with average lows reaching 6°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
El Cajon has a relatively dry climate with low precipitation, averaging 278 mm of rainfall annually. The seasons in El Cajon, bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 75 mm of precipitation. This rainfall is distributed across 9 rainy days. In contrast, the driest month, June, experiences much less rainfall, totaling 0.4 mm over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our El Cajon Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
El Cajon enjoys sunny spells year-round. July sees up to 10.1 hours of daily sunshine, perfect for a sunny trip. February, the least sunny month, still offers a generous 7.7 hours of sun despite this cloudier time of the year. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in El Cajon.
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 no rain partly cloudy and no rain clear and no rainForecast for El Cajon (CA)
3 m/s
3 m/s
4 m/s
The best time of year to visit El Cajon in the United States of America
During the months of January, February, March, April, May, November and December 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:
August has an average maximum temperature of 32°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 20°C.
December tops the wettest month list with 75 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.
