California Weather in January

California in January sees low temperatures, with highs around 4°C (39°F) and overnight lows of -7°C (19°F). It's the driest month of the year, with very little snow/rainfall to worry about.

Rainfall in California in January

With the driest weather of the year, this month is a solid choice for exploring, even if you'll want to dress warmly. Typically, about 5 days will experience snow/rainfall, with an average of 39 mm (1.5 in) for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.

Temperature in California in January

January in California brings typical temperatures with highs around 4°C (39°F) and lows of -7°C (19°F). January is known for being in the winter season. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. With lows of -7°C (19°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. It's often the coldest month of the year, a perfect time to cozy up indoors. Make sure to bring along suitable winter clothing.

Sunshine in California in January

The city usually sees around 163 hours of sunlight, indicating a moderately sunny period.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, September and October typically offer the best weather for California.