Orinda, CA Climate


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Orinda, CA has a Mediterranean climate with hot summers and mild winters. During the summer months, temperatures can reach into the 80s and 90s while winter temperatures rarely dip below 40 degrees. Rainfall is common during the winter months with March and April typically having the most precipitation. The area is also known for its cool summers due to its location in the hills of Northern California, providing relief from the intense heat of other nearby cities. With its mild temperatures and lush landscape, Orinda provides an enjoyable climate for residents year-round.

Orinda, California gets 26 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 261 sunny days per year in Orinda. The US average is 205 sunny days.

Orinda gets some kind of precipitation, on average, 68 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 78 degrees
Winter Low: the January low is 42
Rain: averages 26 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Orinda is 8.6 (10=best), which means it is more comfortable than most places in California.

9.6 Summer - 7.5 Winter
September, August and June are the most pleasant months in Orinda, while January and December are the least comfortable months.

  ClimateOrinda, CaliforniaUnited States
  26.0 in.38.1 in.
  0.0 in.27.8 in.
  67.7 days106.2 days
  261 days205 days
  495 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.

September is the hottest month for Orinda with an average high temperature of 77.7°, which ranks it as cooler than most places in California. In Orinda, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Orinda are September, August and July.
In Orinda, there are 15.2 days annually when the high temperature is over 90°, which is cooler than most places in California.
January has the coldest nighttime temperatures for Orinda with an average of 42.4°. This is warmer than most places in California.
In Orinda, there are 1.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.
In Orinda, 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 Orinda 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 August, July and June.
December is the wettest month in Orinda with 4.9 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 56% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 26.0 inches in Orinda means that it is wetter than most places in California.
January is the rainiest month in Orinda with 11.3 days of rain, and July is the driest month with only 0.2 rainy days. There are 67.7 rainy days annually in Orinda, which is rainier 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 3% chance of a rainy day.
There is rarely any recorded snowfall in Orinda, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Orinda.
Reviews for Orinda
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Orinda is an extremely safe, quiet, bucolic place to live. The schools are incredible, parent participation is maximal. It's close to everything and yet has a feeling of  More

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Over 15 years ago

Weather in Orinda is  More

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Over 16 years ago

Being ranked the number one public high school system in California says little for this small rural upscale community. With a high percentage of college graduates with  More

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