Best Time to Visit San Luis Obispo: Month-by-Month Guide

Best months for San Luis Obispo: August, July, September, June.

  • Best months for San Luis Obispo: August, July, September, June.
  • Peak season is August, September, July. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
  • Shoulder season: January, February, March, April, May, June, October, November, December. Good weather without the busiest period.
  • Wettest months: February, January, March.
  • The weather is good almost all year.

Year at a glance

16° 9° J 16° 9° F 17° 10° M 18° 10° A 19° 12° M 21° 13° J 22° 15° J 23° 15° A 23° 15° S 21° 14° O 18° 11° N 16° 9° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 16°C9°C99 mm 7– – 7.1
February 16°C9°C94 mm 8– – 7.0
March 17°C10°C70 mm 7– – 7.4
April 18°C10°C26 mm 3– – 7.9
May 19°C12°C10 mm 1– – 8.4
June 21°C13°C2 mm 0– – 8.8
July 22°C15°C1 mm 0– – 9.0
August 23°C15°C0 mm 0– – 9.1
September 23°C15°C1 mm 0– – 9.0
October 21°C14°C19 mm 2– – 8.8
November 18°C11°C34 mm 4– – 8.0
December 16°C9°C76 mm 6– – 7.2

Frequently asked questions

When is the best time to visit San Luis Obispo?

The best months are August, July, September, June.

When is the rainy season in San Luis Obispo?

The wettest months are February, January, March.