Tustin Weather in December

December in Tustin sees daytime temperatures around 20°C (68°F) and lows of 8°C (46°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.

Rainfall in Tustin in December

Being the wettest month, having an umbrella on standby can help you avoid getting caught in the rain. The climate data from previous years indicates about 8 days of rain, averaging 66 mm (2.6 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Tustin in December

Tustin has excellent weather in December, with days reaching 20°C (68°F) and nights cooling to 8°C (46°F). During December, you'll experience the winter season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. Enjoy a month of mild temperatures, still offering warmth and comfort throughout.

Sunshine in Tustin in December

There are approximately 205 hours of sunshine this month, resulting in mostly clear days.

If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit Tustin.