Climate averages 1991–2020
Escondido weather
in December.
A mild, moderately wet month: the coolest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Escondido: daytime highs average 17.4°C and nights cool to about 5.7°C. By daytime temperature it is the coolest month of the year.
Expect about 59 mm of rain on roughly 6 days, which makes December a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 01 min on an average December day.
The nearest other city in this atlas is San Marcos (8 km away). In December its highs average 16.7°C, 0.7°C cooler than Escondido, with 54 mm of rain.
Among the 498 cities listed in the United States, Escondido ranks joint 90th of 498 for the warmest December highs and joint 209th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Escondido is 6.9°C warmer than that mean.
From December to January, average highs rise by 0.3°C to 17.7°C, and monthly rainfall rises from 59 mm to 75 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Escondido climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.7°C5.7°C | 5.7°C | 75 | 6.2 | 10.210 h |
| February | 17.6°C6.5°C | 6.5°C | 96 | 7.4 | 11.011 h |
| March | 18.7°C8.1°C | 8.1°C | 64 | 6.4 | 12.012 h |
| April | 20.5°C10.0°C | 10.0°C | 31 | 4.4 | 13.013 h |
| May | 22.2°C12.6°C | 12.6°C | 16 | 2.6 | 13.814 h |
| June | 25.2°C15.1°C | 15.1°C | 3.0 | 0.6 | 14.314 h |
| July | 28.0°C17.8°C | 17.8°C | 3.7 | 1.0 | 14.114 h |
| August | 29.1°C18.8°C | 18.8°C | 2.6 | 0.5 | 13.413 h |
| September | 28.1°C17.5°C | 17.5°C | 5.1 | 1.0 | 12.412 h |
| October | 24.8°C13.5°C | 13.5°C | 20 | 2.8 | 11.411 h |
| November | 21.1°C9.0°C | 9.0°C | 33 | 3.7 | 10.510 h |
| December, selected | 17.4°C5.7°C | 5.7°C | 59 | 5.5 | 10.010 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- San Marcos in DecemberUnited States · 8 kmHigh 16.7°C · Low 6.2°C · 54 mm rain
- Vista in DecemberUnited States · 17 kmHigh 17.6°C · Low 6.6°C · 54 mm rain
- Oceanside in DecemberUnited States · 29 kmHigh 16.9°C · Low 8.6°C · 46 mm rain
- El Cajon in DecemberUnited States · 38 kmHigh 17.7°C · Low 7.9°C · 47 mm rain
- Temecula in DecemberUnited States · 42 kmHigh 17.9°C · Low 5.3°C · 52 mm rain
- San Diego in DecemberUnited States · 45 kmHigh 17.3°C · Low 8.8°C · 40 mm rain
- Murrieta in DecemberUnited States · 50 kmHigh 17.6°C · Low 4.8°C · 52 mm rain
- Chula Vista in DecemberUnited States · 53 kmHigh 17.0°C · Low 9.4°C · 47 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Escondido) is explained once on the Escondido year overview and on the Sources, method and limits page.