What’s the climate like in El Cajon?
The current climate of El Cajon features average monthly temperatures ranging from highs of 28°C during the day to lows of 20°C. The average yearly temperature is around 24°C. At night, temperatures in the colder months average around 9°C and in the warmer months around 20°C.
The highest temperature recorded in El Cajon in recent years was 40°C in September 2020. The lowest daytime temperature recorded was 10°C in December 2014.
On average, El Cajon receives 427 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
Best time to visit El Cajon?
The best time to visit El Cajon for sunny weather is January through November. During this period, you'll have good temperatures and not too much rain, making it a great time to visit El Cajon. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of El Cajon
The climate table of El Cajon shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 20 | 21 | 21 | 22 | 22 | 24 | 27 | 28 | 28 | 27 | 24 | 20 |
| Temp. min (°C) | 10 | 10 | 12 | 14 | 15 | 17 | 20 | 20 | 19 | 17 | 13 | 10 |
| Precipitation |  |
|
|
|
|
|
|
|
|
|
|
|
| Precipitation (mm) | 71 | 54 | 49 | 33 | 27 | 1,3 | 6,1 | 5,3 | 7,0 | 9,4 | 25 | 138 |
| UV Index | 5 | 6 | 7 | 8 | 8 | 10 | 9 | 8 | 7 | 6 | 6 | 5 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 24°C
- Highest temperature: 28°C in August and September
- Lowest temperature: 20°C in January and December
- Precipitation: 427 mm per year, averaging 36 mm per month
- Driest months: 1,3 mm in June, 5,3 mm in August and 6,1 mm in July
- Wettest months: 138 mm in December, 71 mm in January and 54 mm in February
Plan your next holiday
Don’t miss the best holiday deals for El Cajon and see what our partners have for you.
Table of Contents
Average Temperature per Month in El Cajon
This graph shows the average maximum temperatures per month in El Cajon, California. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in El Cajon
This graph shows how much precipitation El Cajon, California, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in El Cajon
This graph shows the average UV index per month in El Cajon, California. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in El Cajon
This graph shows the average yearly temperature in El Cajon, California. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in El Cajon
This chart shows the total yearly precipitation in El Cajon, California, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in El Cajon
Have you been to El Cajon?
Share your weather experiences in El Cajon.
Average Weather in El Cajon by Month
Click on a month below to see detailed weather info for El Cajon. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
