El Cajon Weather in December
December in El Cajon averages 20°C (68°F) during the day and 6°C (43°F) at night. It is the wettest month of the year, with 75 mm (3 in) of rainfall on average, so waterproof gear is a must.
Rainfall in El Cajon in December
An umbrella might come in handy since it is the wettest month of the year. Rain is expected on roughly 9 days, totalling around 75 mm (3 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in El Cajon in December
December is one of the better months to visit El Cajon. Expect 20°C (68°F) during the day and 6°C (43°F) at night. The month of December belongs to the winter season. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. Experience the year's lowest temperatures this month, but they are still mild and pleasant.
Sunshine in El Cajon in December
Enjoy a sunny month with about 231 hours of sunshine, the clear skies make El Cajon even more beautiful.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our El Cajon's climate page.
El Cajon Temperature in December
Min Temperature
6°C (43°F)
Max Temperature
20°C (68°F)
Chance of Rain
30%
Precipitation
75 mm (3 in)
Rainy days
9 days
Humidity
64% *
Sunshine
231 hours *
Percentage Sunshine
74% *
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in El Cajon in December
Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in El Cajon in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our El Cajon's climate page.
Temperature Rainfall Sunshine Humidity
See the full El Cajon climate overview or explore weather in the United States of America.
