2025 Compare Climate & Weather:
San Miguel (San Luis Obispo County), CA vs Astoria, OR

Highlights

On average, there are 127 sunny days per year in Astoria. San Miguel (San Luis Obispo County) averages 283 sunny days per year. The US average is 205 sunny days.

Astoria, Oregon gets 85.9 inches of rain, on average, per year. San Miguel (San Luis Obispo County), California gets 16.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Astoria averages 1.3 inches of snow per year. San Miguel (San Luis Obispo County) averages 0.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Astoria, Oregon
Summer High: the July high is around 67.2 degrees
Winter Low: the January low is 37.8
Rain: averages 85.9 inches of rain a year
Snow: averages 1.3 inches of snow a year

San Miguel (San Luis Obispo County), California
Summer High: the July high is around 87.4 degrees
Winter Low: the January low is 37.1
Rain: averages 16.7 inches of rain a year
Snow: averages 0.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Astoria is 6.9 (10=best), which means it is less comfortable than most places in Oregon.

The annual BestPlaces Comfort Index for San Miguel (San Luis Obispo County) is 8.4 (10=best), which means it is more comfortable than most places in California.

Today's Weather - San Miguel (San Luis Obispo County), CA

48°F

Today's Weather - Astoria, OR

48°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: San Miguel (San Luis Obispo County) / Astoria

August is the hottest month for San Miguel (San Luis Obispo County) with an average high temperature of 88.4°, which ranks it as about average compared to other places in California. In San Miguel (San Luis Obispo County), there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Miguel (San Luis Obispo County) are October, May and June.

August is the hottest month for Astoria with an average high temperature of 68.2°, which ranks it as one of the coolest places in Oregon. In Astoria, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Astoria are August, September and July.

December has the coldest nighttime temperatures for San Miguel (San Luis Obispo County) with an average of 36.2°. This is colder than most places in California.

December has the coldest nighttime temperatures for Astoria with an average of 37.1°. This is one of the warmest places in Oregon.

In San Miguel (San Luis Obispo County), there are 58.2 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Astoria, there are 0.3 days annually when the high temperature is over 90°, which is one of the coolest places in Oregon.

In San Miguel (San Luis Obispo County), there are 34.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Astoria, there are 25.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In San Miguel (San Luis Obispo 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.

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

January is the wettest month in San Miguel (San Luis Obispo County) with 3.6 inches of rain, and the driest month is June 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 16.7 inches in San Miguel (San Luis Obispo County) means that it is about average compared to other places in California.


November is the wettest month in Astoria with 14.3 inches of rain, and the driest month is July with 1.3 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 85.9 inches in Astoria means that it is one of the wettest places in Oregon.

February is the rainiest month in San Miguel (San Luis Obispo County) with 8.9 days of rain, and July is the driest month with only 0.2 rainy days. There are 46.8 rainy days annually in San Miguel (San Luis Obispo County), which is less rainy than most places in California. The rainiest season is Spring when it rains 52% of the time and the driest is Autumn with only a 2% chance of a rainy day.

January is the rainiest month in Astoria with 21.7 days of rain, and August is the driest month with only 7.3 rainy days. There are 190.4 rainy days annually in Astoria, which is one of the rainiest places in Oregon. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 15% chance of a rainy day.

An annual snowfall of 0.1 inches in San Miguel (San Luis Obispo County) means that it is snowier than most places in California.

An annual snowfall of 1.3 inches in Astoria means that it is less snowy than most places in Oregon.

December is the snowiest month in San Miguel (San Luis Obispo County) with 0.1 inches of snow, and no months of the year have significant snowfall.

February is the snowiest month in Astoria with 0.5 inches of snow, and 1 month of the year have significant snowfall.