Walnut Creek Weather in January

January in Walnut Creek sees daytime temperatures around 14°C (57°F) and lows of 4°C (39°F) at night. With around 77 mm (3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Walnut Creek in January

Typically, you can expect about 9 days of rain this month, with 77 mm (3 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Walnut Creek in January

In January, Walnut Creek sees moderate temperatures, with highs of 14°C (57°F). Nights drop to around 4°C (39°F). January is a notable month of the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Walnut Creek in January

The area enjoys a balanced 186 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you prefer dry days with pleasant temperatures, April, May, June, August, September and October 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.