El Cajon Mountain in the nearby East County landscape

Weather · May

El Cajon weather in May

Average highs of 76°F, lows of 56°F and 0.30 in of rain, from 30 years of weather records.

May is El Cajon’s 6th warmest month, with average highs of 76°F and lows of 56°F. That is 2° warmer than April, and 1° below the yearly average high.

Average high
76°F
Average low
56°F
Precipitation
0.30 in
Wet days
2
Sunrise · sunset
5:49 AM · 7:39 PM

May across the year

  1. 69°43°Jan
  2. 69°44°Feb
  3. 71°48°Mar
  4. 75°51°Apr
  5. 76°56°May
  6. 81°59°Jun
  7. 86°63°Jul
  8. 89°65°Aug
  9. 87°62°Sep
  10. 81°56°Oct
  11. 75°47°Nov
  12. 69°42°Dec

High and low Rain

What to wear in May

  • Warm days: shorts and T-shirts, with a light layer for cooler evenings.

May is good for

Around El Cajon

Circus Circus 16 IF1 piloted by Ray Cote, El Cajon
Circus Circus 16 IF1 piloted by Ray CoteTexacote · CC BY 4.0
Clouds in San Diego, CA, El Cajon
Clouds in San Diego, CA (16228133409)el cajon yacht club · CC BY 2.0
Mother Goose Parade 2017 El Cajon California Lady Liberty and Carriage
Mother Goose Parade 2017 El Cajon California Lady Liberty and CarriageSocalgœtz · CC BY-SA 4.0

See El Cajon

A look around town before you go.

A recorded city film: El Cajon video thumbnail

A DRIVE AROUND TOWN

A recorded city film: El Cajon

This recorded neighborhood drive explores El Cajon streets. It is a creator’s filmed journey, not a live traffic camera or a current road-condition report.

Watch on YouTube ↗
More info on this cute garden in El Cajon ⬇️ Currently 50% off for Museum Month! There’s animals, video thumbnail

THINGS TO DO · YOUTUBE SHORT

More info on this cute garden in El Cajon ⬇️ Currently 50% off for Museum Month! There’s animals,

An activity Short shared by San Diego Mamas.

Watch on YouTube ↗

May compared with the months around it

MonthHighLowRain
April75°F51°F0.80 in
May76°F56°F0.30 in
June81°F59°F0.10 in

Planning a trip? See the best time to visit El Cajon and today’s forecast.

Questions

How hot does it get in El Cajon in May?

Average highs are 76°F and average lows 56°F, for a daily mean of 66°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in El Cajon in May?

May averages 0.30 in of precipitation over about 2 days with at least 0.01 in. It is the 8th wettest month of the year.

What time is sunset in El Cajon in May?

Around mid-May the sun rises about 5:49 AM and sets about 7:39 PM, for roughly 13.8 hours of daylight.

Is May a good time to visit El Cajon?

Yes. May is one of the mildest months, with highs between 65°F and 85°F and little rain.

NOAA U.S. Climate Normals 1991–2020, El Cajon station (2 mi from downtown). Sunrise and sunset are calculated for May 15 at the city’s coordinates.

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