Find 165 hotels in Santa Rosa

When is the Best Time to Explore Santa Rosa?

If you're wondering when is the best time of year to visit Santa Rosa, you may find this information about seasonal weather useful when you are planning your trip. The warmest months in Santa Rosa are typically August and September, whereas the coldest months are usually July and June. The months with the most rain are March and December, whereas July and June have the least.

Here's an overview on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is 16°C and at night it is 7°C. Seasonal average rainfall is 631 mm.
• If you visit between April and June, you can expect an average temp of 17°C during the day and 5°C at night. Average rainfall during this season is 261 mm.
• The daytime average temp from July to September is 18°C and the night-time average is 4°C. Average precipitation for this season is 111 mm.
• Between October and December, the average temp during the day is 18°C and 7°C at night. Seasonal average rain is 527 mm.
• The annual rainfall average in Santa Rosa is 1528 mm.