Santa Rosa Weather in May

May in Santa Rosa brings pleasant temperatures around 19°C (66°F) during the day, dropping to 7°C (45°F) at night, with some rainfall expected.

Rainfall in Santa Rosa in May

You can typically expect 5 days of rain this month, averaging around 33 mm (1.3 in). Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.

Temperature in Santa Rosa in May

Daytime highs in Santa Rosa in May reach 19°C (66°F), with nights around 7°C (45°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 7°C (45°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Santa Rosa in May

The area enjoys a moderate level of sunlight, with around 149 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Santa Rosa in May

Wind speeds average 2 m/s (4 knots) during May. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

Should you favor a climate that's both dry and comfortably warm, March, April, August, September, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.