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Weather Facts in San Clemente

San Clemente, CA is a beautiful city with perfect beaches that’s topped with a colorful and diverse culture. This is a great place to be in, most likely because of its weather.

What’s with the weather at San Clemente that people go gaga? Let’s go over some of the city of San Clemente weather facts.

San Clemente Weather Overview

San Clemente has a great weather pattern all year round. Here’s a table of San Clemente’s weather for your reference.

Month Minimum
Temperature
Maximum
Temperature
Average
Temperature
Precipitation
(by inches)
January -3°C 31°C 11°C 2.8″
February 1°C 32°C 12°C 3.0″
March 1°C 29°C 13°C 0.8″
April 3°C 36°C 15°C 0.6″
May 7°C 32°C 17°C 0.2″
June 9°C 34°C 18°C 0.0″
July 12°C 34°C 21°C 0.0″
August 10°C 33°C 21°C 0.1″
September 7°C 34°C 19°C 0.1″
October 1°C 35°C 17°C 0.4″
November -1°C 34°C 14°C 0.8″
December -2°C 28°C 11°C 1.8″

Quick facts: What is precipitation, how does it occur and how is it measured?

Precipitation is a product of the condensation of atmospheric water vapor that falls under gravity. There are different forms of precipitation. These include drizzle, rain, sleet, snow, graupel, and hail.

  • How does precipitation occur?
    Precipitation can only occur when a portion of the earth’s atmosphere becomes saturated with water vapor so that the water condenses and precipitates. Two processes may act together or may lead to making the air saturated. It either cools the air or adds water vapor to the atmosphere.
  • How is precipitation measured?
    Precipitation is measured with the use of a rain gauge. A rain gauge is a small tube of glass or plastic with an open upper end. Usually, a measuring scale is attached to the tube. The device measures the amount of precipitation in inches or centimeters.
  • San Clemente Climate Overview
    San Clemente only gets 13 inches of rain per year compared to the country’s average of 39 inches of rain per year. Snowfall in San Clemente is 0 inches compared to the average US snowfall which is 26 inches of snow per year. There are about 22 days of measurable precipitation in this place annually.

On average, there are 281 sunny days and 84 cold days per year in San Clemente. Sperling’s comfort index has measured San Clemente an 80 out of 100.

Sperling’s comfort index score indicates that the higher your score is, the more comfortable climate year-round. The index is based on the total number of days annually within the comfort range of 70-80 degrees, and the measurement also applied a penalty for days with excessive humidity.

Below is a table for further reference.

 Climate San Clemente, CA
 Rainfall (in.)   13.2918
 Snowfall (in.)   0
 Precipitation Days   21.7333
 Sunny Days   281
 Avg. July High   78.7787
 Avg. Jan. Low   46.16
 Comfort Index (higher=better)   80
 UV Index   5.9
 Elevation ft.   308

What’s the best time to go to San Clemente, CA?

Monsoon rains occur anytime from February until December. If you don’t like too much rain, then this isn’t the best months to visit. However, these months may be suitable for surfing.

On a regular basis, the warmest month is during September. If you don’t like being in a humid place, then avoid going to San Clemente during September. Although, the weather is a perfect excuse to go to the beach.

On average, the coldest month in San Clemente in December. Just like any other parts of the country. July is the wettest month and should be avoided if you don’t like too much rain. Then again, imagine the waves and surf breaks.

January is the driest month. Unlike other parts of the country that experiences wet and cold climates during January. So those were some of San Clemente’s weather facts. Want to go and visit San Clemente? Then don’t hesitate. Visit San Clemente and be amazed at the wonders of its oceans and surf breaks.

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