San Luis Obispo County, CA Weather


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The most pleasant months of the year for San Luis Obispo County are July, September and August. In San Luis Obispo County, there are 6 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for San Luis Obispo County with an average high temperature of 79.1°, which ranks it as cooler than most places in California. Any measurable snowfall is a rare occurance in San Luis Obispo County. There are few days during the summer when the humidity becomes unpleasant.

Today's Weather - San Luis Obispo, CA

10 PM PST

Mostly Clear

53°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TonightMostly Clear44° / 77°WSW 0 to 10 mph
Wednesday NightMostly Clear45° / 77°SW 5 to 10 mph
Thursday NightMostly Clear45° / 74°SW 5 to 15 mph
Friday NightMostly Clear47° / 73°SW 5 to 15 mph
Saturday NightPatchy Fog46° / 71°SW 5 to 15 mph
Sunday NightPatchy Fog44° / 68°SW 5 to 15 mph
Monday NightMostly Clear44° / 70°WSW 5 to 15 mph

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 County area is 9.2 (10=best), which means it is more comfortable than most places in California.

9.2 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January62° 41°
February63° 43°
March65° 44°
April68° 45°
May72° 48°
June75° 52°
July78° 54°
August79° 54°
September78° 53°
October75° 49°
November68° 44°
December62° 40°
Hot, Freezing, Rainy, Snowy Days: San Luis Obispo
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January0480
February0290
March0180
April1050
May2020
June4010
July5000
August6000
September5010
October2030
November0250
December0570

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.

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