2025 Compare Climate & Weather:
Sea Ranch, CA vs Mammoth Lakes, CA

Highlights

On average, there are 275 sunny days per year in Mammoth Lakes. Sea Ranch averages 260 sunny days per year. The US average is 205 sunny days.

Mammoth Lakes, California gets 14.9 inches of rain, on average, per year. Sea Ranch, California gets 43 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Mammoth Lakes averages 93.2 inches of snow per year. Sea Ranch averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Mammoth Lakes, California
Summer High: the July high is around 77.5 degrees
Winter Low: the January low is 13.5
Rain: averages 14.9 inches of rain a year
Snow: averages 93.2 inches of snow a year

Sea Ranch, California
Summer High: the July high is around 82.7 degrees
Winter Low: the January low is 39.3
Rain: averages 43 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Mammoth Lakes is 6.5 (10=best), which means it is one of the least comfortable places in California.

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

Today's Weather - Sea Ranch, CA

51°F

Today's Weather - Mammoth Lakes, CA

52°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Sea Ranch / Mammoth Lakes

July is the hottest month for Sea Ranch with an average high temperature of 82.7°, which ranks it as cooler than most places in California. In Sea Ranch, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sea Ranch are June, September and October.

July is the hottest month for Mammoth Lakes with an average high temperature of 77.5°, which ranks it as cooler than most places in California. In Mammoth Lakes, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mammoth Lakes are July, August and September.

December has the coldest nighttime temperatures for Sea Ranch with an average of 39.0°. This is warmer than most places in California.

January has the coldest nighttime temperatures for Mammoth Lakes with an average of 13.5°. This is one of the coldest places in California.

In Sea Ranch, there are 40.0 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Mammoth Lakes, there are 0.1 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In Sea Ranch, there are 13.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In Mammoth Lakes, there are 229.4 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in California.

In Sea Ranch, 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 Mammoth Lakes, there are 10.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in California.

December is the wettest month in Sea Ranch with 9.0 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 57% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 43.0 inches in Sea Ranch means that it is one of the wettest places in California.


February is the wettest month in Mammoth Lakes with 2.3 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 45% of yearly precipitation and 11% occurs in Autumn, which is the driest season. The annual rainfall of 14.9 inches in Mammoth Lakes means that it is drier than most places in California.

January is the rainiest month in Sea Ranch with 12.8 days of rain, and July is the driest month with only 0.2 rainy days. There are 76.1 rainy days annually in Sea Ranch, which is rainier 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 3% chance of a rainy day.

January is the rainiest month in Mammoth Lakes with 10.0 days of rain, and June is the driest month with only 4.1 rainy days. There are 77.0 rainy days annually in Mammoth Lakes, which is rainier than most places in California. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 16% chance of a rainy day.

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

An annual snowfall of 93.2 inches in Mammoth Lakes means that it is one of the snowiest places in California.

Any measurable snowfall is a rare occurance in Sea Ranch.

March is the snowiest month in Mammoth Lakes with 21.1 inches of snow, and 10 months of the year have significant snowfall.