United StatesAverage weather for El Cajon in August
It's warm in August in El Cajon with an average temperature of 28°C. Temperatures this month range from a low of 26°C to a high of 30°C. At night, you can expect temperatures between 19°C and 21°C.
Start of August
The month of August starts in El Cajon with hot temps, averaging around 28°C during the day and nights around 20°C. No precipitation expected at the start of the month; it’ll be sunny.
With the temperature difference between day and night, it’s smart to wear layers.
Mid August
By mid-August, daytime temps rise to around 29°C, with nights around 21°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
Since it cools down at night, it’s a good idea to wear layers.
End of August
By the end of August, the average daytime temperature in El Cajon is around 28°C, while nighttime temps are about 21°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
Because temperatures drop in the evening, wearing layers is recommended.
According to weather history, there is only 5,3 mm of precipitation in August. The wind speed is around 3 Bft, mostly coming from the West.
El Cajon in August |
New York | ||
|---|---|---|---|
 Average temperature |
28°C | 30°C | |
 Max. temperature |
30°C | 31°C | |
| Min. temperature |
26°C | -5°C | |
 Total precipitation |
5,3 mm | 79 mm | |
| Rainy days |
0 days | 13 days | |
July
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit El Cajon?
Looking for great weather? August is a good time to be in El Cajon. The temperatures are nice, and there’s not too much rain.
Temperature records
With 35°C in 2015, El Cajon reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 21°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 25°C.
Check out the climate of El Cajon for all months and discover the best travel time
Daily Temperature in August in El Cajon
This chart shows the average daily high and low temperatures in August for El Cajon, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in El Cajon
The chart below shows the average daily precipitation in August for El Cajon, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect it to stay dry all month in El Cajon.
Daily UV index in August in El Cajon
This chart shows the average daily UV index in August in El Cajon, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in El Cajon over the years
This chart shows the average temperature in August in El Cajon, measured in degrees Celsius, over the past few years.
Total precipitation in August in El Cajon over the years
This chart shows the average precipitation in August in El Cajon, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for El Cajon
Click on any day in August to get detailed info about the usual weather on that day in El Cajon. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in El Cajon
Have you been to El Cajon in August?
Share your weather experience in August 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.
