Santa Clara (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santa Clara.
Climate overview of Santa Clara
Temperatures in Santa Clara, California, United States of America, vary greatly throughout the year. July is the hottest month at 27°C (81°F), while December is the coldest at 15°C (59°F).
The city tends toward dry conditions, with around 314 mm (12 in) of rainfall per year. It does, however, have a distinct dry season from April to November, with warm summers and mild winters. Sunshine peaks in May, when the city sees around 10.8 hours of sunshine per day.
Santa Clara Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santa Clara - and find the best time to visit.
Monthly Temperature in Santa Clara
The climate in Santa Clara is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in July to a moderate 15°C (59°F) in the coolest month, December.
Nights vary from 15°C (59°F) in July to around 5°C (41°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santa Clara
Santa Clara maintains relatively dry conditions year-round, recording average annual precipitation of 314 mm (12 in). The climate in Santa Clara shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 65 mm (2.6 in) of precipitation over 11 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 0 mm (0 in) of rainfall over 0 rainy days. For more details, please visit our Santa Clara Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Santa Clara
For those who appreciate different seasons, Santa Clara serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 10.8 hours of sunshine daily, and embrace the darker days in December, offering only 5.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Santa Clara by Month
The relative humidity is high throughout the year in Santa Clara.
The city experiences its highest humidity in January, reaching 80%. In June, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Santa Clara
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June, July, August, September and October
- Warmest weather: June, July, August and September
- Most sunshine: April, May, June and July
- Fewest rainy days: June, July, August and September
- Seasonal pattern: A distinct dry season from April to November, with warm summers and mild winters
Frequently asked questions about the climate in Santa Clara
What is the best time to visit Santa Clara?
April, May, June, July, August, September and October typically offer the most optimal weather in Santa Clara. In contrast, January, February and December tend to have less optimal conditions. Santa Clara has a distinct dry season from April to November, with warm summers and mild winters.
What temperatures can I expect in Santa Clara?
Daytime highs range from 15°C (59°F) in December to 27°C (81°F) in July. Nighttime lows range from 5°C (41°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Santa Clara get?
Annual rainfall is around 314 mm (12 in). December is the wettest month with 65 mm (2.6 in), while July is the driest with 0 mm (0 in).
How sunny is Santa Clara?
Santa Clara receives around 3,058 hours of sunshine per year. May is the sunniest month with 324 hours, while December is the cloudiest with just 160 hours. Overall, Santa Clara enjoys abundant sunshine.
Santa Clara 3-Day Forecast
Santa Clara on the map
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