2025 Compare Climate & Weather:
Pasadena, CA vs Arcadia, CA

Highlights

On average, there are 287 sunny days per year in Arcadia. Pasadena averages 286 sunny days per year. The US average is 205 sunny days.

Arcadia, California gets 16.3 inches of rain, on average, per year. Pasadena, California gets 21.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Arcadia averages 0 inches of snow per year. Pasadena averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Arcadia, California
Summer High: the July high is around 85.7 degrees
Winter Low: the January low is 46.6
Rain: averages 16.3 inches of rain a year
Snow: averages 0 inches of snow a year

Pasadena, California
Summer High: the July high is around 87.5 degrees
Winter Low: the January low is 45.1
Rain: averages 21.4 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Arcadia is 9.3 (10=best), which means it is one of the most pleasant places in California.

The annual BestPlaces Comfort Index for Pasadena is 9.1 (10=best), which means it is one of the most pleasant places in California.

Today's Weather - Pasadena, CA

52°F

Today's Weather - Arcadia, CA

53°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Pasadena / Arcadia

August is the hottest month for Pasadena with an average high temperature of 89.1°, which ranks it as about average compared to other places in California. In Pasadena, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pasadena are May, October and June.

August is the hottest month for Arcadia with an average high temperature of 87.1°, which ranks it as about average compared to other places in California. In Arcadia, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Arcadia are May, October and June.

December has the coldest nighttime temperatures for Pasadena with an average of 44.3°. This is warmer than most places in California.

December has the coldest nighttime temperatures for Arcadia with an average of 45.9°. This is one of the warmest places in California.

In Pasadena, there are 49.6 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Arcadia, there are 37.1 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Pasadena, there are 1.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Arcadia, there are 0.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Pasadena, 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 Arcadia, 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 Pasadena with 5.2 inches of rain, and the driest month is July with 0.1 inches. The wettest season is Spring with 59% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 21.4 inches in Pasadena means that it is wetter than most places in California.


February is the wettest month in Arcadia with 4.0 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 61% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 16.3 inches in Arcadia means that it is about average compared to other places in California.

February is the rainiest month in Pasadena with 6.8 days of rain, and July is the driest month with only 0.5 rainy days. There are 39.7 rainy days annually in Pasadena, which is less rainy than most places in California. The rainiest season is Spring when it rains 46% of the time and the driest is Autumn with only a 6% chance of a rainy day.

February is the rainiest month in Arcadia with 5.9 days of rain, and August is the driest month with only 0.2 rainy days. There are 31.7 rainy days annually in Arcadia, 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.

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

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

Any measurable snowfall is a rare occurance in Pasadena.

Any measurable snowfall is a rare occurance in Arcadia.