2025 Compare Climate & Weather:
Merced, CA vs Rio Rancho, NM

Highlights

On average, there are 273 sunny days per year in Rio Rancho. Merced averages 262 sunny days per year. The US average is 205 sunny days.

Rio Rancho, New Mexico gets 12 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.

Rio Rancho averages 10.1 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

Rio Rancho, New Mexico
Summer High: the July high is around 93.6 degrees
Winter Low: the January low is 21.5
Rain: averages 12 inches of rain a year
Snow: averages 10.1 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 Rio Rancho is 7.7 (10=best), which means it is about average compared to other places in New Mexico.

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

76°F

Today's Weather - Rio Rancho, NM

59°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Merced / Rio Rancho

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.

July is the hottest month for Rio Rancho with an average high temperature of 93.6°, which ranks it as warmer than most places in New Mexico. In Rio Rancho, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rio Rancho are May, October and April.

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

January has the coldest nighttime temperatures for Rio Rancho with an average of 21.5°. This is warmer than most places in New Mexico.

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

In Rio Rancho, there are 68.6 days annually when the high temperature is over 90°, which is hotter than most places in New Mexico.

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 Rio Rancho, there are 126.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Mexico.

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 Rio Rancho, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New Mexico.

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.


August is the wettest month in Rio Rancho with 2.0 inches of rain, and the driest month is February with 0.5 inches. The wettest season is Autumn with 38% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 12.0 inches in Rio Rancho means that it is about average compared to other places in New Mexico.

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.

August is the rainiest month in Rio Rancho with 8.0 days of rain, and November is the driest month with only 2.7 rainy days. There are 50.3 rainy days annually in Rio Rancho, which is less rainy than most places in New Mexico. The rainiest season is Autumn when it rains 36% of the time and the driest is Spring with only a 19% chance of a rainy day.

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

An annual snowfall of 10.1 inches in Rio Rancho means that it is about average compared to other places in New Mexico.

Any measurable snowfall is a rare occurance in Merced.

December is the snowiest month in Rio Rancho with 2.9 inches of snow, and 6 months of the year have significant snowfall.