Rancho San Diego, California Weather

The most pleasant months of the year for Rancho San Diego are May, April and November. In Rancho San Diego, there are 7 comfortable months with high temperatures in the range of 70-85°. 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. Any measurable snowfall is a rare occurance in Rancho San Diego. There are few days during the summer when the humidity becomes unpleasant.

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 the Rancho San Diego area is 9.1 (10=best), which means it is more comfortable than most places in California.

9.1 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.

Average Monthly High and Low (°F)

	High	Low
January	70°	43°
February	70°	44°
March	72°	47°
April	75°	50°
May	78°	54°
June	83°	57°
July	88°	61°
August	90°	62°
September	88°	60°
October	82°	55°
November	75°	48°
December	69°	43°

Hot, Freezing, Rainy, Snowy Days: Rancho San Diego

	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0	2	6	0
February	0	1	7	0
March	1	0	7	0
April	2	0	4	0
May	2	0	2	0
June	6	0	1	0
July	12	0	1	0
August	15	0	1	0
September	13	0	2	0
October	6	0	3	0
November	1	0	4	0
December	0	1	6	0

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.