2025 Compare Climate & Weather:
Merced, CA vs San Bernardino, CA

Highlights

On average, there are 280 sunny days per year in San Bernardino. Merced averages 262 sunny days per year. The US average is 205 sunny days.

San Bernardino, California gets 13.4 inches of rain, on average, per year. Merced, California gets 12.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Bernardino averages 0 inches of snow per year. Merced averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

San Bernardino, California
Summer High: the July high is around 95.1 degrees
Winter Low: the January low is 41.8
Rain: averages 13.4 inches of rain a year
Snow: averages 0 inches of snow a year

Merced, California
Summer High: the July high is around 95.1 degrees
Winter Low: the January low is 37.1
Rain: averages 12.5 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for San Bernardino is 8.5 (10=best), which means it is more comfortable than most places in California.

The annual BestPlaces Comfort Index for Merced is 8.1 (10=best), which means it is about average compared to other places in California.

Today's Weather - Merced, CA

66°F

Today's Weather - San Bernardino, CA

71°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Merced / San Bernardino

July is the hottest month for Merced with an average high temperature of 95.1°, which ranks it as warmer than most places in California. In Merced, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Merced are October, April and May.

August is the hottest month for San Bernardino with an average high temperature of 96.2°, which ranks it as warmer than most places in California. In San Bernardino, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Bernardino are April, May and November.

December has the coldest nighttime temperatures for Merced with an average of 36.1°. This is colder than most places in California.

December has the coldest nighttime temperatures for San Bernardino with an average of 40.9°. This is warmer than most places in California.

In Merced, there are 88.0 days annually when the high temperature is over 90°, which is hotter than most places in California.

In San Bernardino, there are 103.0 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Merced, there are 23.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In San Bernardino, there are 3.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

January is the wettest month in Merced with 2.5 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 54% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 12.5 inches in Merced means that it is drier than most places in California.


February is the wettest month in San Bernardino with 3.2 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 60% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 13.4 inches in San Bernardino means that it is drier than most places in California.

January is the rainiest month in Merced with 9.9 days of rain, and July is the driest month with only 0.1 rainy days. There are 54.8 rainy days annually in Merced, which is about average compared to other 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.

February is the rainiest month in San Bernardino with 7.1 days of rain, and August is the driest month with only 0.6 rainy days. There are 40.0 rainy days annually in San Bernardino, 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 5% chance of a rainy day.

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

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

Any measurable snowfall is a rare occurance in Merced.

Any measurable snowfall is a rare occurance in San Bernardino.