El Cajon, CA weather in July
El Cajon is warm and dry in July: highs average 86°F and nights drop to about 63°F. Rain falls on about 1 day.
- Normal high
- 86°F
- Normal low
- 63°F
- Wet days
- 1
- 0.1 in total
- Muggy days
- 3
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 84°F | 87°F |
| Normal low | 61°F | 65°F |
| Chance of a wet day | 2% | 2% |
| Sunrise / sunset | 5:43 am / 8:00 pm | 6:01 am / 7:47 pm |
| Daylight | 14.3 h | 13.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical July day
- 6 am67°Fdew point 61°F
- 9 am70°Fdew point 61°F
- Noon73°Fdew point 61°F
- 3 pm73°Fdew point 61°F
- 6 pm70°Fdew point 61°F
- 9 pm68°Fdew point 61°F
NOAA hourly normals (local standard time) from San Diego Lindbergh Fld (14 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F4 of 31
- Hot dayshigh 90°F or more10 of 31
- Muggy daysdaily mean dew point 65°F or more3 of 31
- Wet daysat least 0.01 in of rain or melted snow1 of 31
- Notable rainat least 0.10 in0 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 0.1 in; a dry July brings about 0.0 in and a wet one about 0.05 in (25th and 75th percentiles). Days with half an inch or more are rare.
How July varies from year to year
- Warmest July, 1991-20202006: average high 94°F
- Coolest July1991: average high 82°F
- Wettest July1991: 0.9 in
- Driest July1993: no measurable precipitation
- Highest reading113°F (July 22, 2006)
- Lowest reading50°F (July 2, 2004)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 81°F | 86°F | 89°F |
| Normal low | 59°F | 63°F | 65°F |
| Wet days | 1 | 1 | 0 |
| Comfortable days | 14 | 4 | 2 |
| Daylight | 14.3 h | 14.1 h | 13.3 h |
Highs change by +5°F from June and +3°F into August.
Nearby alternatives in July
- Warmer: Temecula, CA49 mi · high 97°F · 1 wet day
- Cooler: San Diego, CA13 mi · high 75°F · 1 wet day
How El Cajon ranks in July
- Normal high211th warmest of 378 cities; 31st of 60 in California
- Wet days28th driest of 378
- Comfortable days126th most of 340
What to pack for El Cajon in July
- Light, breathable clothing – highs near 86°F and about 3 muggy days
- Sunglasses and sunscreen – about 14.1 hours of daylight and highs near 86°F
Heating and cooling
July has 0 heating degree days and 301 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.
Questions
How hot is El Cajon in July?
The normal high is 86°F and the normal low is 63°F. From 1991 to 2020 the hottest July reading was 113°F (July 22, 2006).
Does it rain a lot in El Cajon in July?
About 1 days in July have at least 0.01 in of precipitation, and the normal total is 0.1 in. The wettest July in 1991-2020 was in 1991 (0.9 in); the driest was in 1993, with no measurable precipitation.
Is July a good time to visit El Cajon?
July ranks 10th of 12 months on our comfort score for El Cajon (56 out of 100). It has about 4 comfortable days and about 10 days at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature and frost dates: El Cajon (USC00042706), 2.0 mi ENE of the city center, 495 ft (60 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Rain, snowfall and snow depth: Lakeside 2 E (USC00044710), 5.7 mi NE of the city center, 690 ft (255 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: San Diego Lindbergh Fld (USW00023188), 14 mi WSW of the city center, 15 ft (420 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: San Diego International Airport (722900-23188), 14 mi WSW of the city center, 15 ft (420 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).