El Cajon weather in March
In March, El Cajon sees average daytime highs of 65°F and overnight lows near 50°F, with 1.9 in of rain across 5.8 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 65°F through the month. The sky is clear or mostly clear about 43% of the time in March, and the air most often feels dry.
Daylight stretches from about 11 h 12 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is El Cajon's 11th-clearest and 4th-windiest month. For the whole year in context, see El Cajon's year-round climate.
- Daytime high
- 65°
- 9th warmest
- Overnight low
- 50°
- 4th coldest
- Rainfall
- 1.9 in
- 5.8 wet days
- Daylight
- 11 h 42 min
- 6:05 AM – 5:50 PM
- Cloud cover
- 46%
- 11th clearest
- Wind
- 5 mph
- 4th windiest
- Solar energy
- 5.5 kWh/m²
- Travel score
- 6.8
- out of 10
El Cajon is city in San Diego County, California, United States of America.
- Density
- 2,774/km²
- people per km²
- Founded
- 1912
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Day-to-day highs hold fairly steady near 65°F through the month.
A typical March day in El Cajon reaches about 65°F in the afternoon and slips back to 50°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 74°F. Set against its neighbours, March runs on par with February and about 3°F cooler than April.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 66 |
| Avg low (°F) | 49 | 49 | 49 | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 64 | 49 |
| 2 | 64 | 49 |
| 3 | 64 | 49 |
| 4 | 64 | 49 |
| 5 | 64 | 49 |
| 6 | 65 | 49 |
| 7 | 65 | 50 |
| 8 | 65 | 50 |
| 9 | 65 | 50 |
| 10 | 65 | 50 |
| 11 | 65 | 50 |
| 12 | 65 | 50 |
| 13 | 65 | 50 |
| 14 | 65 | 50 |
| 15 | 65 | 51 |
| 16 | 65 | 51 |
| 17 | 65 | 51 |
| 18 | 65 | 51 |
| 19 | 65 | 51 |
| 20 | 65 | 51 |
| 21 | 65 | 51 |
| 22 | 65 | 51 |
| 23 | 65 | 51 |
| 24 | 65 | 51 |
| 25 | 65 | 51 |
| 26 | 65 | 51 |
| 27 | 65 | 51 |
| 28 | 65 | 51 |
| 29 | 66 | 51 |
| 30 | 66 | 51 |
| 31 | 66 | 51 |
El Cajon weather by month
How March compares with the rest of the year at a glance. March is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 64° / 48° | 2.3 | 5.6 | 10.1 | 6.8 |
| Feb | 64° / 48° | 2.9 | 7 | 10.8 | 6.3 |
| Mar | 65° / 50° | 1.9 | 5.8 | 11.8 | 6.8 |
| Apr | 68° / 53° | 0.9 | 3.9 | 12.8 | 7.6 |
| May | 70° / 56° | 0.4 | 2 | 13.7 | 8.2 |
| Jun | 74° / 60° | 0.1 | 0.6 | 14.1 | 9.2 |
| Jul | 79° / 64° | 0.1 | 0.7 | 13.9 | 8.9 |
| Aug | 81° / 65° | 0.1 | 0.5 | 13.2 | 8.7 |
| Sep | 80° / 64° | 0.2 | 0.9 | 12.2 | 8.8 |
| Oct | 76° / 59° | 0.6 | 2.5 | 11.2 | 8.7 |
| Nov | 70° / 53° | 0.9 | 3.3 | 10.3 | 7.9 |
| Dec | 64° / 48° | 1.9 | 5.2 | 9.9 | 6.8 |
Cloud cover in March
The sky is clear or mostly clear about 43% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 18% of March, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 56 | 57 | 57 | 57 | 58 | 58 | 59 | 60 | 61 | 62 | 61 | 62 | 63 | 63 | 62 | 63 | 62 | 62 | 62 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 62 | 63 | 63 |
| Cloudier (%) | 44 | 43 | 43 | 43 | 42 | 42 | 41 | 40 | 39 | 38 | 39 | 38 | 37 | 37 | 38 | 37 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 37 | 37 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 56 | 44 |
| 2 | 57 | 43 |
| 3 | 57 | 43 |
| 4 | 57 | 43 |
| 5 | 58 | 42 |
| 6 | 58 | 42 |
| 7 | 59 | 41 |
| 8 | 60 | 40 |
| 9 | 61 | 39 |
| 10 | 62 | 38 |
| 11 | 61 | 39 |
| 12 | 62 | 38 |
| 13 | 63 | 37 |
| 14 | 63 | 37 |
| 15 | 62 | 38 |
| 16 | 63 | 37 |
| 17 | 62 | 38 |
| 18 | 62 | 38 |
| 19 | 62 | 38 |
| 20 | 61 | 39 |
| 21 | 61 | 39 |
| 22 | 61 | 39 |
| 23 | 61 | 39 |
| 24 | 61 | 39 |
| 25 | 61 | 39 |
| 26 | 61 | 39 |
| 27 | 61 | 39 |
| 28 | 61 | 39 |
| 29 | 62 | 38 |
| 30 | 63 | 37 |
| 31 | 63 | 37 |
Chance of precipitation in March
El Cajon gets around 1.9 in of rain over 5.8 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 20% and peaks near 25% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 25 | 25 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 |
| Rain chance (%) | |
|---|---|
| 1 | 25 |
| 2 | 25 |
| 3 | 24 |
| 4 | 24 |
| 5 | 23 |
| 6 | 22 |
| 7 | 22 |
| 8 | 21 |
| 9 | 21 |
| 10 | 20 |
| 11 | 20 |
| 12 | 20 |
| 13 | 19 |
| 14 | 19 |
| 15 | 19 |
| 16 | 19 |
| 17 | 19 |
| 18 | 19 |
| 19 | 19 |
| 20 | 19 |
| 21 | 19 |
| 22 | 19 |
| 23 | 19 |
| 24 | 18 |
| 25 | 18 |
| 26 | 18 |
| 27 | 18 |
| 28 | 17 |
| 29 | 17 |
| 30 | 16 |
| 31 | 16 |
Humidity in March
Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 98 | 98 | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 96 | 96 | 96 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 97 | 97 | 97 | 97 | 97 | 97 |
| Comfortable (%) | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 98 | 2 |
| 2 | 98 | 2 |
| 3 | 98 | 2 |
| 4 | 98 | 2 |
| 5 | 98 | 2 |
| 6 | 97 | 3 |
| 7 | 97 | 3 |
| 8 | 97 | 3 |
| 9 | 97 | 3 |
| 10 | 96 | 4 |
| 11 | 96 | 4 |
| 12 | 96 | 4 |
| 13 | 95 | 5 |
| 14 | 95 | 5 |
| 15 | 95 | 5 |
| 16 | 95 | 5 |
| 17 | 95 | 5 |
| 18 | 95 | 5 |
| 19 | 95 | 5 |
| 20 | 95 | 5 |
| 21 | 96 | 4 |
| 22 | 96 | 4 |
| 23 | 96 | 4 |
| 24 | 96 | 4 |
| 25 | 96 | 4 |
| 26 | 97 | 3 |
| 27 | 97 | 3 |
| 28 | 97 | 3 |
| 29 | 97 | 3 |
| 30 | 97 | 3 |
| 31 | 97 | 3 |
Wind in March
Winds average 5 mph in March.
Across March, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in March
Daylight runs from about 11 h 12 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 66 minutes over March. Sunrise moves from 6:24 AM to 5:45 AM, and sunset from 5:38 PM to 6:01 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.2 | 11.3 | 11.3 | 11.3 | 11.4 | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.3 |
| Sunrise (AM) | 6:24 | 6:23 | 6:22 | 6:20 | 6:19 | 6:18 | 6:17 | 6:15 | 6:14 | 6:13 | 6:12 | 6:10 | 6:09 | 6:08 | 6:06 | 6:05 | 6:04 | 6:02 | 6:01 | 6:00 | 5:58 | 5:57 | 5:56 | 5:54 | 5:53 | 5:52 | 5:50 | 5:49 | 5:47 | 5:46 | 5:45 |
| Sunset (PM) | 5:38 | 5:39 | 5:40 | 5:41 | 5:42 | 5:42 | 5:43 | 5:44 | 5:45 | 5:45 | 5:46 | 5:47 | 5:48 | 5:48 | 5:49 | 5:50 | 5:51 | 5:51 | 5:52 | 5:53 | 5:54 | 5:54 | 5:55 | 5:56 | 5:57 | 5:57 | 5:58 | 5:59 | 5:59 | 6:00 | 6:01 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.2 | 6:24 | 5:38 |
| 2 | 11.3 | 6:23 | 5:39 |
| 3 | 11.3 | 6:22 | 5:40 |
| 4 | 11.3 | 6:20 | 5:41 |
| 5 | 11.4 | 6:19 | 5:42 |
| 6 | 11.4 | 6:18 | 5:42 |
| 7 | 11.4 | 6:17 | 5:43 |
| 8 | 11.5 | 6:15 | 5:44 |
| 9 | 11.5 | 6:14 | 5:45 |
| 10 | 11.5 | 6:13 | 5:45 |
| 11 | 11.6 | 6:12 | 5:46 |
| 12 | 11.6 | 6:10 | 5:47 |
| 13 | 11.6 | 6:09 | 5:48 |
| 14 | 11.7 | 6:08 | 5:48 |
| 15 | 11.7 | 6:06 | 5:49 |
| 16 | 11.7 | 6:05 | 5:50 |
| 17 | 11.8 | 6:04 | 5:51 |
| 18 | 11.8 | 6:02 | 5:51 |
| 19 | 11.9 | 6:01 | 5:52 |
| 20 | 11.9 | 6:00 | 5:53 |
| 21 | 11.9 | 5:58 | 5:54 |
| 22 | 12.0 | 5:57 | 5:54 |
| 23 | 12.0 | 5:56 | 5:55 |
| 24 | 12.0 | 5:54 | 5:56 |
| 25 | 12.1 | 5:53 | 5:57 |
| 26 | 12.1 | 5:52 | 5:57 |
| 27 | 12.1 | 5:50 | 5:58 |
| 28 | 12.2 | 5:49 | 5:59 |
| 29 | 12.2 | 5:47 | 5:59 |
| 30 | 12.2 | 5:46 | 6:00 |
| 31 | 12.3 | 5:45 | 6:01 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 5.5 kWh/m².
For context, solar energy here swings from a low near 3.14 kWh/m² to a high of 8.08 kWh/m² in June across the year — March's 5.5 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.7 | 4.8 | 4.8 | 4.9 | 4.9 | 5.0 | 5.1 | 5.1 | 5.2 | 5.2 | 5.3 | 5.3 | 5.4 | 5.4 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.1 | 6.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.7 | Bright |
| 2 | 4.8 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.9 | Bright |
| 5 | 4.9 | Bright |
| 6 | 5.0 | Bright |
| 7 | 5.1 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.2 | Bright |
| 10 | 5.2 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.4 | Bright |
| 14 | 5.4 | Bright |
| 15 | 5.5 | Bright |
| 16 | 5.5 | Bright |
| 17 | 5.6 | Bright |
| 18 | 5.6 | Bright |
| 19 | 5.6 | Bright |
| 20 | 5.7 | Bright |
| 21 | 5.7 | Bright |
| 22 | 5.7 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.9 | Bright |
| 26 | 5.9 | Bright |
| 27 | 5.9 | Bright |
| 28 | 6.0 | Bright |
| 29 | 6.0 | Intense |
| 30 | 6.1 | Intense |
| 31 | 6.1 | Intense |
Is March a good time to visit El Cajon?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a reasonable time to visit El Cajon for sightseeing.
What to pack for El Cajon in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, El Cajon sees daytime highs around 65°F and nights near 50°F. Worth packing: sun protection. About 6 days see rain.
Sea temperature near El Cajon in March
The nearest coast averages about 60°F in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 15 mi away) is warmest in August at about 70°F and coldest in February near 59°F.
It's comfortable for a long swim from Jul 13 to Sep 28 — about 2.6 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 60 | 59 | 60 | 61 | 63 | 65 | 68 | 70 | 69 | 67 | 64 | 61 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 60 | Cool |
| Feb | 59 | Cool |
| Mar | 60 | Cool |
| Apr | 61 | Cool |
| May | 63 | Cool |
| Jun | 65 | Cool |
| Jul | 68 | Refreshing |
| Aug | 70 | Refreshing |
| Sep | 69 | Refreshing |
| Oct | 67 | Cool |
| Nov | 64 | Cool |
| Dec | 61 | Cool |
UV index in El Cajon in March
Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in El Cajon peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 5 | 5 | 8 | 8 | 11 | 11 | 11 | 9 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 5 | Moderate |
| Mar | 5 | High |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in El Cajon in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in El Cajon is worst in September — around 26 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (May, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 12 | 12 | 11 | 8 | 11 | 11 | 15 | 26 | 14 | 12 | 16 |
| Level | Good | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 12 | Moderate |
| Mar | 12 | Moderate |
| Apr | 11 | Good |
| May | 8 | Good |
| Jun | 11 | Good |
| Jul | 11 | Good |
| Aug | 15 | Moderate |
| Sep | 26 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Moderate |
| Dec | 16 | Moderate |
Where is El Cajon?
El Cajon sits at 32.8°N, 117.0°W, 436 ft above sea level, in United States. The nearest listed city is Bostonia, 1.9 mi away.
Topography around El Cajon
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of El Cajon.
Within 2 miles, the terrain around El Cajon has only modest variations in elevation — a maximum elevation change of 709 ft around an average of 548 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,720 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,450 ft.
The land around El Cajon is covered by artificial surfaces (79%) within 2 miles, artificial surfaces (34%) and shrubs (30%) within 10 miles, and shrubs (28%) and water (27%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for El Cajon (32.7948°, -116.9625°, elevation 436 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).