Foothill Ranch (CA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Foothill Ranch.

Climate overview of Foothill Ranch

Foothill Ranch, California, United States of America, sees big temperature differences between seasons, with August peaking at 32°C (90°F) and December dropping to 19°C (66°F).

The city has a relatively dry climate, receiving around 301 mm (12 in) of rainfall per year. It does experience a distinct dry season from March to November, with very warm summers and pleasant winters. December is the wettest month and June the driest. Sunshine peaks in July, when the city sees around 12.3 hours of sunshine per day.

Foothill Ranch Weather by Month

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

Monthly Temperature in Foothill Ranch

Visitors to Foothill Ranch can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 32°C (90°F) in August to a pleasant 19°C (66°F) in December.

Nighttime temperatures range from 17°C (63°F) in August to 9°C (48°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Foothill Ranch

Foothill Ranch's climate is marked by below-average rainfall, accumulating 301 mm (12 in) of precipitation yearly. The seasons in Foothill Ranch bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 94 mm (3.7 in) of precipitation. This rainfall is distributed across 8 rainy days.

In contrast, the driest month, June, experiences much less rainfall, totaling 0.4 mm (0.02 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Foothill Ranch Precipitation page.

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

Sunshine Hours in Foothill Ranch

In Foothill Ranch, summer days are longer and more sunny, with daily sunshine hours peaking at 12.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 6.6 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Corona, the United States of America (22 KM, 14 Miles).

Daily hours of sunshine

Data from: Corona, the United States of America (22 KM, 14 Miles).

Best Time to Visit Foothill Ranch

Conditions in Foothill Ranch are generally most comfortable in January, February, March, April, May, June, October and November. They are typically least comfortable in July, August, September 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: January, February, March, April, May, June, October and November
  • Warmest weather: July, August and September
  • Most sunshine: July and August
  • Fewest rainy days: June, July, August and September
  • Seasonal pattern: A distinct dry season from March to November, with very warm summers and pleasant winters

Frequently asked questions about the climate in Foothill Ranch

What is the best time to visit Foothill Ranch?

January, February, March, April, May, June, October and November typically offer the most optimal weather in Foothill Ranch. In contrast, July, August, September and December tend to have less optimal conditions. Foothill Ranch has a distinct dry season from March to November, with very warm summers and pleasant winters.

What temperatures can I expect in Foothill Ranch?

Daytime highs range from 19°C (66°F) in December to 32°C (90°F) in August. Nighttime lows range from 9°C (48°F) to 17°C (63°F). Temperatures vary considerably through the year.

How much rain does Foothill Ranch get?

Annual rainfall is around 301 mm (12 in). December is the wettest month with 94 mm (3.7 in), while June is the driest with 0.4 mm (0.02 in).

How sunny is Foothill Ranch?

Foothill Ranch receives around 3,279 hours of sunshine per year. July is the sunniest month with 369 hours, while January is the cloudiest with just 198 hours. Overall, Foothill Ranch enjoys abundant sunshine.

Foothill Ranch 3-Day Forecast

Foothill Ranch on the map

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