Tijuana Weather in December
December in Tijuana brings pleasant temperatures around 19°C (66°F) during the day, dropping to 8°C (46°F) at night, with the most rainfall of the year.
Rainfall in Tijuana in December
With this being the wettest month, keeping an umbrella on hand might save you from getting wet from a sudden shower. Looking at the last 30 years, the data shows about 8 days with rain, averaging 59 mm (2.3 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Tijuana in December
Daytime temperatures in Tijuana reach 19°C (66°F) in December, dropping to 8°C (46°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. Though the coolest month of the year, the temperatures are far from cold. With still warm days.
Sunshine in Tijuana in December
Expect a lot of sunshine this month, with about 248 hours of sun. These sunny conditions add to the overall experience.December in Tijuana can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Tijuana's climate page.
Tijuana Temperature in December
Min Temperature
8°C (46°F)
Max Temperature
19°C (66°F)
Chance of Rain
27%
Precipitation
59 mm (2.3 in)
Rainy days
8 days
Humidity
69%
Sunshine
248 hours
Percentage Sunshine
81%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Tijuana typically stay consistent throughout December, with daily highs averaging around 19°C (66°F). Nights are cool, with lows around 9°C (48°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Tijuana in December
Browse day-by-day weather records for Tijuana spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tijuana historical weather extremes in December
According to our 49 years of weather records for Tijuana, the following extremes were recorded between 1976 and 2025.
- The hottest December day on record in Tijuana reached 30°C (86°F) (December 12, 2010).
- Tijuana experienced its chilliest December day on December 31, 2014, reaching only 9°C (48°F).
- Nighttime temperatures dropped to 0°C (32°F) on December 8, 1978, marking the coldest December night on record.
Best Places in Mexico in December
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in December →
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What to Wear in Tijuana 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Tijuana 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 Mexico, check out our Tijuana's climate page.
Temperature Rainfall Sunshine Humidity
See the full Tijuana climate overview or explore weather in Mexico.
