The most pleasant months of the year for Arroyo Grande are September, August and July. In Arroyo Grande, there are 5 comfortable months with high temperatures in the range of 70-85°. September is the hottest month for Arroyo Grande with an average high temperature of 74.2°, which ranks it as one of the coolest places in California. Any measurable snowfall is a rare occurance in Arroyo Grande. There are few days during the summer when the humidity becomes unpleasant.
Today's Weather - Arroyo Grande, CA
9 PM PST
|7 DAY FORECAST||DESCRIPTION||HIGH/LOW||WIND|
|Tonight||Mostly Clear||45° / 70°||NE 5 to 10 mph|
|Wednesday Night||Mostly Clear||46° / 72°||N 0 to 10 mph|
|Thursday Night||Mostly Clear||46° / 69°||N 5 to 10 mph|
|Friday Night||Partly Cloudy||47° / 75°||N 5 to 10 mph|
|Saturday Night||Partly Cloudy||49° / 81°||NNE 5 mph|
|Sunday Night||Partly Cloudy||51° / 82°||NNE 5 mph|
|Monday Night||Partly Cloudy||50° / 76°||NNW 5 to 10 mph|
Summer High: the July high is around 73 degrees
Winter Low: the January low is 43
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 Arroyo Grande area is 8.7 (10=best), which means it is more comfortable than most places in California.
8.7 / 10
A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7. 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)
Hot, Freezing, Rainy, Snowy Days: Arroyo Grande
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.