2025 Compare Climate & Weather:
Jersey City, NJ vs San Diego, CA

Highlights

On average, there are 266 sunny days per year in San Diego. Jersey City averages 217 sunny days per year. The US average is 205 sunny days.

San Diego, California gets 11.7 inches of rain, on average, per year. Jersey City, New Jersey gets 47.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Diego averages 0 inches of snow per year. Jersey City averages 26.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

San Diego, California
Summer High: the July high is around 78.5 degrees
Winter Low: the January low is 45.6
Rain: averages 11.7 inches of rain a year
Snow: averages 0 inches of snow a year

Jersey City, New Jersey
Summer High: the July high is around 85.6 degrees
Winter Low: the January low is 24.7
Rain: averages 47.5 inches of rain a year
Snow: averages 26.4 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for San Diego is 9.2 (10=best), which means it is one of the most pleasant places in California.

The annual BestPlaces Comfort Index for Jersey City is 7.3 (10=best), which means it is one of the most pleasant places in New Jersey.

Today's Weather - Jersey City, NJ

64°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Jersey City / San Diego

July is the hottest month for Jersey City with an average high temperature of 85.6°, which ranks it as warmer than most places in New Jersey. In Jersey City, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Jersey City are September, June and August.

August is the hottest month for San Diego with an average high temperature of 80.2°, which ranks it as cooler than most places in California. In San Diego, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Diego are July, September and August.

January has the coldest nighttime temperatures for Jersey City with an average of 24.7°. This is warmer than most places in New Jersey.

December has the coldest nighttime temperatures for San Diego with an average of 45.3°. This is one of the warmest places in California.

In Jersey City, there are 18.6 days annually when the high temperature is over 90°, which is hotter than most places in New Jersey.

In San Diego, there are 13.4 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Jersey City, there are 80.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New Jersey.

In San Diego, there are 0.7 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Jersey City, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New Jersey.

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

July is the wettest month in Jersey City with 4.5 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Summer with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 47.5 inches in Jersey City means that it is about average compared to other places in New Jersey.


February is the wettest month in San Diego with 2.5 inches of rain, and the driest month is August with 0.0 inches. The wettest season is Spring with 55% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 11.7 inches in San Diego means that it is drier than most places in California.

May is the rainiest month in Jersey City with 10.6 days of rain, and September is the driest month with only 8.1 rainy days. There are 114.7 rainy days annually in Jersey City, which is less rainy than most places in New Jersey. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

February is the rainiest month in San Diego with 6.8 days of rain, and August is the driest month with only 0.4 rainy days. There are 38.4 rainy days annually in San Diego, which is less rainy than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 4% chance of a rainy day.

An annual snowfall of 26.4 inches in Jersey City means that it is snowier than most places in New Jersey.

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

February is the snowiest month in Jersey City with 9.0 inches of snow, and 5 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in San Diego.