Santa Rosa Weather in March

March in Santa Rosa averages 18°C (64°F) during the day and 6°C (43°F) at night. Quite a bit of rainfall is typical this month, with around 115 mm (4.5 in) on average. An umbrella is a good idea.

Rainfall in Santa Rosa in March

On average, there are about 12 days with rain during this month, averaging 115 mm (4.5 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Santa Rosa in March

Daytime temperatures in Santa Rosa reach 18°C (64°F) in March, dropping to 6°C (43°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Santa Rosa in March

Expect sunny days throughout the month, with an estimated 270 hours of sunshine. This makes it a pleasant time to visit Santa Rosa.

If you prefer dry days with pleasant temperatures, April, May, June, July, 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.