2025 Compare Climate & Weather:
San Diego, CA vs Sydney, ND

Highlights

On average, there are 201 sunny days per year in Sydney. San Diego averages 266 sunny days per year. The US average is 205 sunny days.

Sydney, North Dakota gets 19.6 inches of rain, on average, per year. San Diego, California gets 11.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sydney averages 41.9 inches of snow per year. San Diego averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sydney, North Dakota
Summer High: the July high is around 82.6 degrees
Winter Low: the January low is 0.7
Rain: averages 19.6 inches of rain a year
Snow: averages 41.9 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Sydney is 6.4 (10=best), which means it is about average compared to other places in North Dakota.

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.

Today's Weather - San Diego, CA

57°F

Today's Weather - Sydney, ND

77°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: San Diego / Sydney

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.

July is the hottest month for Sydney with an average high temperature of 82.6°, which ranks it as warmer than most places in North Dakota. In Sydney, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sydney are June, August and July.

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

January has the coldest nighttime temperatures for Sydney with an average of 0.7°. This is warmer than most places in North Dakota.

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 Sydney, there are 13.2 days annually when the high temperature is over 90°, which is hotter than most places in North Dakota.

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 Sydney, there are 181.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in North Dakota.

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.

In Sydney, there are 40.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in North Dakota.

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.


July is the wettest month in Sydney with 3.4 inches of rain, and the driest month is February with 0.4 inches. The wettest season is Autumn with 46% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 19.6 inches in Sydney means that it is about average compared to other places in North Dakota.

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.

June is the rainiest month in Sydney with 11.3 days of rain, and February is the driest month with only 5.0 rainy days. There are 87.6 rainy days annually in Sydney, which is rainier than most places in North Dakota. The rainiest season is Autumn when it rains 33% of the time and the driest is Spring with only a 19% chance of a rainy day.

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

An annual snowfall of 41.9 inches in Sydney means that it is snowier than most places in North Dakota.

Any measurable snowfall is a rare occurance in San Diego.

January is the snowiest month in Sydney with 10.6 inches of snow, and 7 months of the year have significant snowfall.