El Cajon Mountain in the nearby East County landscape

Weather · January

El Cajon weather in January

Average highs of 69°F, lows of 43°F and 2.3 in of rain, from 30 years of weather records.

January is El Cajon’s 10th warmest month, with average highs of 69°F and lows of 43°F. That is 1° warmer than December, and 8° below the yearly average high.

Average high
69°F
Average low
43°F
Precipitation
2.3 in
Wet days
6
Sunrise · sunset
6:50 AM · 5:03 PM

January 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 January

  • Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.

January is good for

Around El Cajon

Clouds in San Diego, CA, El Cajon
Clouds in San Diego, CA (16228133409)el cajon yacht club · CC BY 2.0
Front Entrance to El Cajon Valley High School
Front Entrance to El Cajon Valley High SchoolAnthonyrdevine · CC BY-SA 4.0
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 ↗

January compared with the months around it

MonthHighLowRain
December69°F42°F1.8 in
January69°F43°F2.3 in
February69°F44°F2.6 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 January?

Average highs are 69°F and average lows 43°F, for a daily mean of 56°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in El Cajon in January?

January averages 2.3 in of precipitation over about 6 days with at least 0.01 in. It is the 2nd wettest month of the year.

What time is sunset in El Cajon in January?

Around mid-January the sun rises about 6:50 AM and sets about 5:03 PM, for roughly 10.2 hours of daylight.

Is January a good time to visit El Cajon?

The mildest months for visiting are May, June, October. January is mild.

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

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