Temecula Weather in December

December in Temecula sees daytime temperatures around 19°C (66°F) and lows of 5°C (41°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.

Rainfall in Temecula in December

Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. Historically, December sees about 8 days of rain, with a monthly average of 70 mm (2.8 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Temecula in December

Temperatures in Temecula in December top out at 19°C (66°F) and drop to 5°C (41°F) overnight. During December, the winter season is in full swing. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 5°C (41°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. This period usually represents the year's more moderate temperatures, but it's far from being chilly.

Sunshine in Temecula in December

Enjoy a sunny month with about 205 hours of sunshine, the clear skies make Temecula even more beautiful.

If you prefer enjoying temperate temperatures and rain-free days, January, February, March, April, May, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.