2025 Compare Climate & Weather:
Santa Ynez, CA vs Arroyo Grande, CA

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Highlights

On average, there are 286 sunny days per year in Arroyo Grande. Santa Ynez averages 287 sunny days per year. The US average is 205 sunny days.

Arroyo Grande, California gets 19.5 inches of rain, on average, per year. Santa Ynez, California gets 20.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Arroyo Grande averages 0 inches of snow per year. Santa Ynez averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Arroyo Grande, California
Summer High: the July high is around 72.7 degrees
Winter Low: the January low is 42.9
Rain: averages 19.5 inches of rain a year
Snow: averages 0 inches of snow a year

Santa Ynez, California
Summer High: the July high is around 83.5 degrees
Winter Low: the January low is 38.9
Rain: averages 20.5 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index
Arroyo Grande

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

8.7 / 10
August, July and September are the most pleasant months in Arroyo Grande, while January and December are the least comfortable months.

Santa Ynez

The annual BestPlaces Comfort Index for Santa Ynez is 8.6 (10=best), which means it is more comfortable than most places in California.

8.6 / 10
June, May and October are the most pleasant months in Santa Ynez, while January and February are the least comfortable months.

Today's Weather - Santa Ynez, CA

2 AM PST

Mostly Clear

54°F

DAYDESCRIPTIONHIGH / LOWWIND
OvernightMostly Clear49° / 89°NNE 0 to 5 mph
Saturday NightPatchy Fog48° / 82°NNW 5 to 10 mph
Sunday NightPatchy Fog49° / 69°NW 10 to 15 mph
Monday NightMostly Cloudy46° / 67°NW 5 to 20 mph
Tuesday NightPatchy Fog45° / 72°NNW 5 to 20 mph
Wednesday NightPatchy Fog47° / 74°NNW 0 to 15 mph
Thursday NightPatchy Fog48° / 73°NNW 0 to 10 mph
Today's Weather - Arroyo Grande, CA

2 AM PST

Mostly Clear

54°F

DAYDESCRIPTIONHIGH / LOWWIND
OvernightMostly Clear54° / 80°N 5 mph
Saturday NightPatchy Fog51° / 72°NW 0 to 10 mph
Sunday NightPatchy Fog50° / 63°NW 5 to 15 mph
Monday NightMostly Cloudy49° / 61°NW 5 to 15 mph
Tuesday NightPartly Cloudy47° / 64°NNW 5 to 15 mph
Wednesday NightPatchy Fog49° / 65°NNW 0 to 10 mph
Thursday NightPatchy Fog51° / 66°NNW 0 to 10 mph
Average Monthly High / Low (°F)
MonthSanta Ynez, CAArroyo Grande, CA
January65° / 39°62° / 43°
February66° / 41°62° / 44°
March68° / 43°64° / 46°
April72° / 44°66° / 47°
May75° / 47°69° / 49°
June79° / 50°71° / 52°
July84° / 52°73° / 54°
August84° / 53°74° / 55°
September83° / 51°74° / 54°
October79° / 48°72° / 51°
November71° / 43°67° / 47°
December65° / 38°62° / 42°
Hot, Freezing, Rainy, Snowy Days: Santa Ynez / Arroyo Grande
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 04 / 17 / 80 / 0
February0 / 02 / 18 / 90 / 0
March0 / 01 / 07 / 80 / 0
April1 / 00 / 04 / 40 / 0
May3 / 10 / 02 / 20 / 0
June5 / 10 / 01 / 10 / 0
July9 / 10 / 00 / 00 / 0
August10 / 10 / 00 / 00 / 0
September8 / 10 / 01 / 10 / 0
October4 / 10 / 02 / 30 / 0
November1 / 01 / 04 / 50 / 0
December0 / 05 / 26 / 70 / 0
August is the hottest month for Santa Ynez with an average high temperature of 84.1°, which ranks it as cooler than most places in California. In Santa Ynez, there are 8 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Santa Ynez are October, June and May.

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. In Arroyo Grande, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Arroyo Grande are September, August and July.
December has the coldest nighttime temperatures for Santa Ynez with an average of 38.3°. This is about average compared to other places in California.

December has the coldest nighttime temperatures for Arroyo Grande with an average of 42.2°. This is warmer than most places in California.

In Santa Ynez, there are 40.5 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Arroyo Grande, there are 5.7 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Santa Ynez, there are 13.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In Arroyo Grande, there are 3.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

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

February is the wettest month in Santa Ynez with 4.8 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 60% of yearly precipitation and 0% occurs in Autumn, which is the driest season. The annual rainfall of 20.5 inches in Santa Ynez means that it is about average compared to other places in California.


February is the wettest month in Arroyo Grande with 4.1 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 19.5 inches in Arroyo Grande means that it is about average compared to other places in California.

February is the rainiest month in Santa Ynez with 7.9 days of rain, and July is the driest month with only 0.3 rainy days. There are 42.1 rainy days annually in Santa Ynez, which is less rainy than most places in California. The rainiest season is Spring when it rains 51% of the time and the driest is Autumn with only a 3% chance of a rainy day.

February is the rainiest month in Arroyo Grande with 8.9 days of rain, and July is the driest month with only 0.4 rainy days. There are 49.8 rainy days annually in Arroyo Grande, which is about average compared to other places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 3% chance of a rainy day.

There is rarely any recorded snowfall in Santa Ynez, ranking it as one of the least snowy places in California.

There is rarely any recorded snowfall in Arroyo Grande, ranking it as one of the least snowy places in California.
Any measurable snowfall is a rare occurance in Santa Ynez.

Any measurable snowfall is a rare occurance in Arroyo Grande.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Santa Ynez    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Santa Ynez

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Reviews for Arroyo Grande    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Arroyo Grande

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Zips In Santa Ynez, California
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