2025 Compare Climate & Weather:
San Diego, CA vs Kennebunk, ME

Highlights

On average, there are 200 sunny days per year in Kennebunk. San Diego averages 266 sunny days per year. The US average is 205 sunny days.

Kennebunk, Maine gets 51.1 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.

Kennebunk averages 53 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

Kennebunk, Maine
Summer High: the July high is around 78.9 degrees
Winter Low: the January low is 12.5
Rain: averages 51.1 inches of rain a year
Snow: averages 53 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 Kennebunk is 6.6 (10=best), which means it is one of the most pleasant places in Maine.

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

58°F

Today's Weather - Kennebunk, ME

47°F

Average Monthly High / Low (°F)

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

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 Kennebunk with an average high temperature of 78.9°, which ranks it as about average compared to other places in Maine. In Kennebunk, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Kennebunk are August, July and June.

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 Kennebunk with an average of 12.5°. This is warmer than most places in Maine.

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 Kennebunk, there are 4.3 days annually when the high temperature is over 90°, which is hotter than most places in Maine.

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 Kennebunk, there are 151.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Maine.

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 Kennebunk, there are 9.0 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Maine.

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.


October is the wettest month in Kennebunk with 4.9 inches of rain, and the driest month is January with 3.6 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 51.1 inches in Kennebunk means that it is one of the wettest places in Maine.

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.

May is the rainiest month in Kennebunk with 12.7 days of rain, and February is the driest month with only 8.6 rainy days. There are 129.4 rainy days annually in Kennebunk, which is about average compared to other places in Maine. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% 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 53.0 inches in Kennebunk means that it is one of the least snowy places in Maine.

Any measurable snowfall is a rare occurance in San Diego.

January is the snowiest month in Kennebunk with 16.5 inches of snow, and 6 months of the year have significant snowfall.