Typical Weather in Modesto, CA in December
55° F Avg High
39° F Avg Low
5 Rainy Days
☀️ Temperature Summary
Highs in December are typically around 55°F, which is cooler than usual in Modesto. You can expect overnight lows near 39°F most days. This is the coldest month of the year in Modesto.
Despite it being the coolest month of the year, December is still a great time to visit Modesto, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
☔ Rain Summary
You can expect about a 17% chance of rain for any given day in December. It's one of the rainier months of the year for Modesto, with total rainfall for the month around 2 inches.
Rainfall Throughout the Year
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