Temperature
Hot by day, mild at night.
85°Ftypical Aug high
Los Olivos is most comfortable in April and November. Summers are warm and winters are mild. The wetter months are roughly December to March. Humidity is usually low.

Hot by day, mild at night.
One of the driest months, with very little rain.
Plenty of sun this month.
Hot, mostly dry days.
Predominantly clear skies.
Want a side-by-side climate view? Compare Los Olivos with Calistoga / Napa Valley.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology