Rocklin Weather in December

Rocklin in December sees moderate temperatures, with highs around 13°C (55°F) and overnight lows of 3°C (37°F). Rainfall is at its peak this month, around 109 mm (4.3 in) on average, so waterproofs are essential.

Rainfall in Rocklin in December

This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Typically, you can expect about 12 days of rain this month, with 109 mm (4.3 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Rocklin in December

Temperatures in Rocklin in December top out at 13°C (55°F) and drop to 3°C (37°F) overnight. December is typically considered a winter month. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. This month often claims the chilliest averages of the year.

Sunshine in Rocklin in December

The area enjoys a moderate level of sunlight, with around 141 hours. It's a good balance between sunny and cloudy days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Rocklin. Our weather planner can help you explore destinations with more pleasant weather conditions.