2025 Compare Climate & Weather:
Oceanside, CA vs El Cajon, CA

Highlights

On average, there are 260 sunny days per year in El Cajon. Oceanside averages 266 sunny days per year. The US average is 205 sunny days.

El Cajon, California gets 14.1 inches of rain, on average, per year. Oceanside, California gets 12.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

El Cajon averages 0 inches of snow per year. Oceanside averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

El Cajon, California
Summer High: the July high is around 86.1 degrees
Winter Low: the January low is 43.7
Rain: averages 14.1 inches of rain a year
Snow: averages 0 inches of snow a year

Oceanside, California
Summer High: the July high is around 75.9 degrees
Winter Low: the January low is 43
Rain: averages 12.8 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for El Cajon is 9.1 (10=best), which means it is one of the most pleasant places in California.

The annual BestPlaces Comfort Index for Oceanside is 9.1 (10=best), which means it is one of the most pleasant places in California.

Today's Weather - Oceanside, CA

58°F

Today's Weather - El Cajon, CA

61°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Oceanside / El Cajon

August is the hottest month for Oceanside with an average high temperature of 77.2°, which ranks it as cooler than most places in California. In Oceanside, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oceanside are August, September and July.

August is the hottest month for El Cajon with an average high temperature of 87.8°, which ranks it as about average compared to other places in California. In El Cajon, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for El Cajon are May, October and June.

December has the coldest nighttime temperatures for Oceanside with an average of 42.4°. This is warmer than most places in California.

December has the coldest nighttime temperatures for El Cajon with an average of 43.3°. This is warmer than most places in California.

In Oceanside, there are 5.2 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In El Cajon, there are 43.1 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Oceanside, there are 3.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In El Cajon, there are 3.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Oceanside, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

In El Cajon, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

February is the wettest month in Oceanside with 2.8 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 57% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 12.8 inches in Oceanside means that it is drier than most places in California.


February is the wettest month in El Cajon with 2.9 inches of rain, and the driest month is August with 0.0 inches. The wettest season is Spring with 54% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 14.1 inches in El Cajon means that it is drier than most places in California.

February is the rainiest month in Oceanside with 6.9 days of rain, and July is the driest month with only 0.4 rainy days. There are 38.1 rainy days annually in Oceanside, which is less rainy than most places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 4% chance of a rainy day.

February is the rainiest month in El Cajon with 6.7 days of rain, and July is the driest month with only 0.5 rainy days. There are 39.5 rainy days annually in El Cajon, which is less rainy than most places in California. The rainiest season is Spring when it rains 46% of the time and the driest is Autumn with only a 4% chance of a rainy day.

There is rarely any recorded snowfall in Oceanside, ranking it as one of the least snowy places in California.

There is rarely any recorded snowfall in El Cajon, ranking it as one of the least snowy places in California.

Any measurable snowfall is a rare occurance in Oceanside.

Any measurable snowfall is a rare occurance in El Cajon.