Santa Maria (CA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Santa Maria.

Climate overview of Santa Maria

The climate in Santa Maria, California, United States of America, is remarkably consistent, with temperatures year-round averaging 21°C (70°F). The warmest month is September at 25°C (77°F), and the coolest is December at 18°C (64°F).

The city has a relatively dry climate, receiving around 326 mm (13 in) of rainfall per year. It does experience a distinct dry season from April to November. December is the wettest month and August the driest.

Santa Maria Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Santa Maria - and find the best time to visit.

Monthly Temperature in Santa Maria

In Santa Maria temperatures are generally consistent throughout the year. On average, daytime temperatures range from a comfortable 25°C (77°F) in September to a moderate 18°C (64°F) in December.

Nighttime temperatures range from 13°C (55°F) in September to 5°C (41°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Santa Maria

Santa Maria typically sees modest rainfall throughout the year, with an average annual precipitation of 326 mm (13 in). The seasons in Santa Maria bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 78 mm (3.1 in) of precipitation. This rainfall is distributed across 8 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 0 mm (0 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Santa Maria Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Santa Maria

For comfortable weather, consider visiting Santa Maria in March, April, May, June, July, August, September, October and November. Conditions are usually least favourable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: March, April, May, June, July, August, September, October and November
  • Warmest weather: July, August, September and October
  • Fewer rainy days: May, June, July, August and September
  • Seasonal pattern: A distinct dry season from April to November

Frequently asked questions about the climate in Santa Maria

What is the best time to visit Santa Maria?

March, April, May, June, July, August, September, October and November typically offer the most optimal weather in Santa Maria. In contrast, January, February and December tend to have less optimal conditions. Santa Maria has a distinct dry season from April to November.

What temperatures can I expect in Santa Maria?

Daytime highs range from 18°C (64°F) in December to 25°C (77°F) in September. Nighttime lows range from 5°C (41°F) to 13°C (55°F). Temperatures stay relatively stable year-round.

How much rain does Santa Maria get?

Annual rainfall is around 326 mm (13 in). December is the wettest month with 78 mm (3.1 in), while August is the driest with 0 mm (0 in).

Santa Maria 3-Day Forecast

Santa Maria (CA) 3-Day Forecast

Santa Maria on the map

Santa Maria is highlighted - select any city to see its climate.

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