Santa Clara County, CA Climate

Santa Clara County, California has a warm-summer Mediterranean climate, which is characterized by dry summers and mild, wet winters. During the summer months, temperatures can reach up to 90°F (32°C) and are usually moderate and comfortable. The winters in Santa Clara County tend to be mild and wet with occasional rainstorms but rarely any snow. Average yearly rainfall for the county is about 14 inches. The climate allows for many outdoor recreational activities throughout the year, such as golfing, hiking, biking, kayaking and swimming.

Santa Clara County, California gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Santa Clara County averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 260 sunny days per year in Santa Clara County. The US average is 205 sunny days.

Santa Clara County gets some kind of precipitation, on average, 62 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 82 degrees
Winter Low: the January low is 41
Rain: averages 18 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Santa Clara County is 8.7 (10=best), which means it is more comfortable than most places in California.

9.8 Summer - 7.5 Winter

August, July and September are the most pleasant months in Santa Clara County, while January and December are the least comfortable months.

Climate	Santa Clara, California	United States
	18.4 in.	38.1 in.
	0.1 in.	27.8 in.
	61.9 days	106.2 days
	260 days	205 days
	81.7°	85.8°
	41.1°	21.7°
	8.7	7
	5.1	4.3
	1233 ft.	2443 ft.

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for Santa Clara County with an average high temperature of 81.7°, which ranks it as cooler than most places in California. In Santa Clara County, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Santa Clara County are June, September and October.

In Santa Clara County, there are 17.8 days annually when the high temperature is over 90°, which is cooler than most places in California.

December has the coldest nighttime temperatures for Santa Clara County with an average of 41.0°. This is warmer than most places in California.

In Santa Clara County, there are 6.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Santa Clara County, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

Humidity in Santa Clara County is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and June.

February is the wettest month in Santa Clara County with 3.7 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 58% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 18.4 inches in Santa Clara County means that it is about average compared to other places in California.

December is the rainiest month in Santa Clara County with 10.2 days of rain, and July is the driest month with only 0.2 rainy days. There are 61.9 rainy days annually in Santa Clara County, which is rainier than most places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 2% chance of a rainy day.

An annual snowfall of 0.1 inches in Santa Clara County means that it is snowier than most places in California. December is the snowiest month in Santa Clara County with 0.0 inches of snow, and no months of the year have significant snowfall.

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