Climate averages 1991–2020
Tijuana weather
in December.
A mild, moderately wet month: the 11th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Tijuana: daytime highs average 16.8°C and nights cool to about 9.0°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 51 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 04 min on an average December day.
The nearest other city in this atlas is Rosarito (16 km away). In December its highs average 17.1°C, about as warm as Tijuana, with 44 mm of rain.
Among the 153 cities listed in Mexico, Tijuana ranks 148th of 153 for the warmest December highs and 139th of 153 for the driest December (rainfall, lowest first). The mean December high of those 153 cities is 22.7°C; Tijuana is 5.9°C cooler than that mean.
From December to January, average highs rise by 0.1°C to 16.9°C, and monthly rainfall rises from 51 mm to 63 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
Tijuana climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.9°C9.0°C | 9.0°C | 63 | 6.1 | 10.310 h |
| February | 16.5°C9.3°C | 9.3°C | 79 | 7.0 | 11.011 h |
| March | 17.1°C10.3°C | 10.3°C | 53 | 5.9 | 12.012 h |
| April | 18.2°C11.6°C | 11.6°C | 25 | 4.2 | 13.013 h |
| May | 19.4°C13.5°C | 13.5°C | 11 | 2.1 | 13.814 h |
| June | 21.4°C15.3°C | 15.3°C | 2.4 | 0.4 | 14.214 h |
| July | 23.8°C17.7°C | 17.7°C | 2.0 | 0.4 | 14.114 h |
| August | 24.8°C18.6°C | 18.6°C | 1.2 | 0.3 | 13.313 h |
| September | 24.4°C17.9°C | 17.9°C | 4.0 | 0.8 | 12.412 h |
| October | 22.3°C15.2°C | 15.2°C | 15 | 2.4 | 11.411 h |
| November | 19.6°C11.8°C | 11.8°C | 26 | 3.6 | 10.511 h |
| December, selected | 16.8°C9.0°C | 9.0°C | 51 | 5.8 | 10.110 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
- Rosarito in DecemberMexico · 16 kmHigh 17.1°C · Low 9.9°C · 44 mm rain
- Chula Vista in DecemberUnited States · 17 kmHigh 17.0°C · Low 9.4°C · 47 mm rain
- San Diego in DecemberUnited States · 28 kmHigh 17.3°C · Low 8.8°C · 40 mm rain
- El Cajon in DecemberUnited States · 33 kmHigh 17.7°C · Low 7.9°C · 47 mm rain
- Escondido in DecemberUnited States · 69 kmHigh 17.4°C · Low 5.7°C · 59 mm rain
- San Marcos in DecemberUnited States · 73 kmHigh 16.7°C · Low 6.2°C · 54 mm rain
- Ensenada in DecemberMexico · 80 kmHigh 18.5°C · Low 9.1°C · 45 mm rain
- Vista in DecemberUnited States · 81 kmHigh 17.6°C · Low 6.6°C · 54 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 Tijuana) is explained once on the Tijuana year overview and on the Sources, method and limits page.