Irvine, CA Climate


Download our custom City Report to see exclusive
data on cost of living, crime, climate, and more.
Irvine, CA has a Mediterranean climate, characterized by mild temperatures throughout the year. Summers are typically warm and dry, while winters are cool and wet. The average temperature range in Irvine is between 41-66°F (5-19°C). The area receives about 13 inches of rainfall annually, most of which falls during the winter months. With its sunny days and mild temperatures, Irvine is a great place to enjoy outdoor activities all year round.

Irvine, California gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Irvine averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 281 sunny days per year in Irvine. The US average is 205 sunny days.

Irvine gets some kind of precipitation, on average, 36 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 82 degrees
Winter Low: the January low is 46
Rain: averages 13 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Irvine is 9.3 (10=best), which means it is one of the most pleasant places in California.

9.8 Summer - 8.7 Winter
June, July and October are the most pleasant months in Irvine, while December and January are the least comfortable months.

  ClimateIrvine, CaliforniaUnited States
  12.9 in.38.1 in.
  0.0 in.27.8 in.
  36.3 days106.2 days
  281 days205 days
  52 ft.2443 ft.

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 Irvine with an average high temperature of 83.2°, which ranks it as cooler than most places in California. In Irvine, there are 8 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Irvine are October, June and July.
In Irvine, there are 17.4 days annually when the high temperature is over 90°, which is cooler than most places in California.
December has the coldest nighttime temperatures for Irvine with an average of 45.5°. This is one of the warmest places in California.
In Irvine, there are 0.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.
In Irvine, 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 Irvine 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, August and September.
February is the wettest month in Irvine with 3.2 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 60% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 12.9 inches in Irvine means that it is drier than most places in California.
February is the rainiest month in Irvine with 6.5 days of rain, and July is the driest month with only 0.4 rainy days. There are 36.3 rainy days annually in Irvine, which is less rainy than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 4% chance of a rainy day.
There is rarely any recorded snowfall in Irvine, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Irvine.
Reviews for Irvine
    See all ()

We've lived in Irvine since '87. We have raised two children within the ISUD. Both are grown up. Sure, there have been many changes since then.. the City has  More

   |    Reply

I've lived in Irvine for 2 years and in Orange County for 10 so I'm pretty familiar with the area by now and all it has to offer. Perhaps my review of this place has  More

   |    Reply

I wouldn't live elsewhere. I originally moved to Irvine in 2002 from the Midwest, not knowing what it even was. I left and moved around a great deal locally in OC,  More

   |    Reply

Start Your Review of Irvine

Compare Irvine,
cost of living
Compare food, housing, utilities, and more in Irvine, California to any other city in the US.