Rancho San Diego, CA Climate

Rancho San Diego, CA has a Mediterranean-style climate that is characterized by hot and dry summers and mild winters. Summers in the area can reach temperatures up to 90°F, while winter temperatures average between 50-60°F. Rainfall is less than 14 inches per year, with most of it coming in late fall and winter months. Overall, Rancho San Diego is sunny and warm for most of the year, making it an ideal place to live in Southern California.

Rancho San Diego, California gets 15 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Rancho San Diego averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 267 sunny days per year in Rancho San Diego. The US average is 205 sunny days.

Rancho San Diego gets some kind of precipitation, on average, 42 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 88 degrees
Winter Low: the January low is 43
Rain: averages 15 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Rancho San Diego is 9.0 (10=best), which means it is more comfortable than most places in California.

9.1 Summer - 8.7 Winter

May, June and October are the most pleasant months in Rancho San Diego, while January and February are the least comfortable months.

Climate	Rancho San Diego, California	United States
	14.6 in.	38.1 in.
	0.0 in.	27.8 in.
	41.7 days	106.2 days
	267 days	205 days
	88.0°	85.8°
	43.0°	21.7°
	9	7
	5.9	4.3
	361 ft.	2443 ft.

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for Rancho San Diego with an average high temperature of 89.7°, which ranks it as about average compared to other places in California. In Rancho San Diego, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rancho San Diego are May, April and November.

In Rancho San Diego, there are 55.9 days annually when the high temperature is over 90°, which is about average compared to other places in California.

December has the coldest nighttime temperatures for Rancho San Diego with an average of 42.8°. This is warmer than most places in California.

In Rancho San Diego, there are 4.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Rancho 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.

Humidity in Rancho San Diego is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, September and August.

February is the wettest month in Rancho San Diego with 3.0 inches of rain, and the driest month is August with 0.0 inches. The wettest season is Spring with 53% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 14.6 inches in Rancho San Diego means that it is drier than most places in California.

February is the rainiest month in Rancho San Diego with 6.9 days of rain, and July is the driest month with only 0.6 rainy days. There are 41.7 rainy days annually in Rancho San Diego, which is less rainy than most places in California. The rainiest season is Spring when it rains 45% of the time and the driest is Autumn with only a 5% chance of a rainy day.

There is rarely any recorded snowfall in Rancho San Diego, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Rancho San Diego.