Climate almanac
San Luis Obispo
California, US · 35.28°, -120.66°
What is the climate like in San Luis Obispo?
San Luis Obispo is warmest in September, when daily highs average 72°F (22°C), and coolest in January, when lows fall to about 48°F (9°C). The wettest month is typically January and the driest is August; the year sees roughly 18 in of precipitation.
- Warmest monthSeptember — average high 72°F (22°C)
- Coolest monthJanuary — average low 48°F (9°C)
- Wettest monthJanuary (4.7 in)
- Driest monthAugust (0.0 in)
- Annual precipitation18 in