San Luis Obispo-Paso Robles Metro Area, CA Climate

The San Luis Obispo-Paso Robles-Arroyo Grande, CA Metro Area has a mild Mediterranean climate with warm summers and cool winters. This area usually experiences little to no snowfall and typically experiences ample sun throughout the year. Winters in this area are quite pleasant with temperatures generally ranging from the low 40s to mid 60s during the day. During summer months, temperatures can reach into the 90s but cool off nicely in the evenings. The night time temperatures throughout the year remain comfortable and rarely dip below freezing.

San Luis Obispo-Paso Robles Metro Area, California gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.

San Luis Obispo-Paso Robles Metro Area averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 285 sunny days per year in San Luis Obispo-Paso Robles Metro Area. The US average is 205 sunny days.

San Luis Obispo-Paso Robles Metro Area gets some kind of precipitation, on average, 50 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 78 degrees
Winter Low: the January low is 41
Rain: averages 20 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the San Luis Obispo-Paso Robles-Arroyo Grande metro area is 8.6 (10=best), which means it is more comfortable than most places in California.

9.2 Summer - 7.9 Winter

September, June and October are the most pleasant months in the San Luis Obispo-Paso Robles-Arroyo Grande metro area, while January and December are the least comfortable months.

Climate	San Luis Obispo-Paso Robles, California	United States
	20.0 in.	38.1 in.
	0.0 in.	27.8 in.
	49.5 days	106.2 days
	285 days	205 days
	77.9°	85.8°
	40.8°	21.7°
	8.6	7
	5.3	4.3
	1535 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 the San Luis Obispo-Paso Robles-Arroyo Grande metro area with an average high temperature of 79.1°, which ranks it as cooler than most places in California. In the San Luis Obispo-Paso Robles-Arroyo Grande metro area, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the San Luis Obispo-Paso Robles-Arroyo Grande metro area are July, September and August.

In the San Luis Obispo-Paso Robles-Arroyo Grande metro area, there are 23.9 days annually when the high temperature is over 90°, which is cooler than most places in California.

December has the coldest nighttime temperatures for the San Luis Obispo-Paso Robles-Arroyo Grande metro area with an average of 40.0°. This is warmer than most places in California.

In the San Luis Obispo-Paso Robles-Arroyo Grande metro area, there are 14.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In the San Luis Obispo-Paso Robles-Arroyo Grande metro area, 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 the San Luis Obispo-Paso Robles-Arroyo Grande metro area 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 July, August and September.

February is the wettest month in the San Luis Obispo-Paso Robles-Arroyo Grande metro area with 4.2 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 59% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 20.0 inches in the San Luis Obispo-Paso Robles-Arroyo Grande metro area means that it is about average compared to other places in California.

February is the rainiest month in the San Luis Obispo-Paso Robles-Arroyo Grande metro area with 9.1 days of rain, and July is the driest month with only 0.3 rainy days. There are 49.5 rainy days annually in the San Luis Obispo-Paso Robles-Arroyo Grande metro area, which is about average compared to other places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 2% chance of a rainy day.

There is rarely any recorded snowfall in the San Luis Obispo-Paso Robles-Arroyo Grande metro area, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in the San Luis Obispo-Paso Robles-Arroyo Grande metro area.

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