Best Time to Visit Santa Rosa: Month-by-Month Guide

Best months for Santa Rosa: August, April, May, September.

  • Best months for Santa Rosa: August, April, May, September.
  • Peak season is January, February, December. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
  • Shoulder season: March, April, May, June, July, August, September, November. Good weather without the busiest period.
  • Wettest months: January, February, December.
  • The least pleasant month is January (score 6.2).

Year at a glance

31° 21° J 31° 20° F 30° 19° M 27° 17° A 23° 13° M 21° 12° J 20° 11° J 23° 12° A 24° 14° S 27° 16° O 29° 17° N 31° 20° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 31°C21°C143 mm 15– – 6.2
February 31°C20°C137 mm 14– – 6.4
March 30°C19°C126 mm 12– – 7.1
April 27°C17°C155 mm 10– – 7.5
May 23°C13°C152 mm 9– – 7.5
June 21°C12°C143 mm 10– – 7.3
July 20°C11°C137 mm 10– – 7.3
August 23°C12°C94 mm 8– – 7.9
September 24°C14°C151 mm 10– – 7.4
October 27°C16°C215 mm 13– – 6.8
November 29°C17°C157 mm 11– – 7.3
December 31°C20°C160 mm 13– – 6.4

Frequently asked questions

When is the best time to visit Santa Rosa?

The best months are August, April, May, September.

When is the rainy season in Santa Rosa?

The wettest months are January, February, December.