Average Weather in El Segundo California, United States
In El Segundo, the summers are comfortable, arid, and clear and the winters are long, cool, wet, and partly cloudy. Over the course of the year, the temperature typically varies from 50°F to 75°F and is rarely below 44°F or above 83°F.
Based on the tourism score, the best time of year to visit El Segundo for warm-weather activities is from early June to mid October.
The warm season lasts for 3.3 months, from July 7 to October 15, with an average daily high temperature above 72°F. The hottest day of the year is August 26, with an average high of 75°F and low of 65°F.
The cool season lasts for 4.4 months, from December 3 to April 15, with an average daily high temperature below 66°F. The coldest day of the year is December 28, with an average low of 50°F and high of 64°F.
Average High and Low Temperature
Average Hourly Temperature
In El Segundo, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.
The clearer part of the year in El Segundo begins around April 24 and lasts for 6.3 months, ending around November 3. On September 7, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 91% of the time, and overcast or mostly cloudy 9% of the time.
The cloudier part of the year begins around November 3 and lasts for 5.7 months, ending around April 24. On February 20, the cloudiest day of the year, the sky is overcast or mostly cloudy 42% of the time, and clear, mostly clear, or partly cloudy 58% of the time.
Cloud Cover Categories
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in El Segundo varies throughout the year.
The wetter season lasts 4.3 months, from November 21 to March 30, with a greater than 11% chance of a given day being a wet day. The chance of a wet day peaks at 21% on February 20.
The drier season lasts 7.7 months, from March 30 to November 21. The smallest chance of a wet day is 0% on July 2.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 21% on February 20.
Daily Chance of Precipitation
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. El Segundo experiences significant seasonal variation in monthly rainfall.
The rainy period of the year lasts for 6.3 months, from October 17 to April 26, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around February 18, with an average total accumulation of 3.4 inches.
The rainless period of the year lasts for 5.7 months, from April 26 to October 17. The least rain falls around July 16, with an average total accumulation of 0.0 inches.
Average Monthly Rainfall
The length of the day in El Segundo varies significantly over the course of the year. In 2018, the shortest day is December 21, with 9 hours, 54 minutes of daylight; the longest day is June 21, with 14 hours, 25 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 5:42 AM on June 12, and the latest sunrise is 1 hour, 33 minutes later at 7:14 AM on November 3. The earliest sunset is at 4:44 PM on December 5, and the latest sunset is 3 hours, 24 minutes later at 8:08 PM on June 28.
Daylight saving time (DST) is observed in El Segundo during 2018, starting in the spring on March 11, lasting 7.8 months, and ending in the fall on November 4.
Sunrise & Sunset with Twilight and Daylight Saving Time
El Segundo experiences some seasonal variation in the perceived humidity.
The muggier period of the year lasts for 3.2 months, from July 2 to October 10, during which time the comfort level is muggy, oppressive, or miserable at least 3% of the time. The muggiest day of the year is August 29, with muggy conditions 10% of the time.
The least muggy day of the year is February 24, when muggy conditions are essentially unheard of.
Humidity Comfort Levels
The average hourly wind speed in El Segundo experiences significant seasonal variation over the course of the year.
The windier part of the year lasts for 6.1 months, from November 5 to May 7, with average wind speeds of more than 7.0 miles per hour. The windiest day of the year is December 31, with an average hourly wind speed of 8.9 miles per hour.
The calmer time of year lasts for 5.9 months, from May 7 to November 5. The calmest day of the year is August 14, with an average hourly wind speed of 5.2 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in El Segundo varies throughout the year.
The wind is most often from the west for 8.6 months, from February 16 to November 4, with a peak percentage of 56% on May 23. The wind is most often from the north for 3.4 months, from November 4 to February 16, with a peak percentage of 42% on January 1.
El Segundo is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average water temperature experiences some seasonal variation over the course of the year.
The time of year with warmer water lasts for 3.2 months, from July 6 to October 13, with an average temperature above 66°F. The day of the year with the warmest water is August 24, with an average temperature of 68°F.
The time of year with cooler water lasts for 4.7 months, from December 10 to May 2, with an average temperature below 60°F. The day of the year with the coolest water is February 16, with an average temperature of 58°F.
Average Water Temperature
Best Time of Year to Visit
To characterize how pleasant the weather is in El Segundo throughout the year, we compute two travel scores.
The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit El Segundo for general outdoor tourist activities is from early June to mid October, with a peak score in the second week of August.
The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit El Segundo for hot-weather activities is from late July to mid September, with a peak score in the last week of August.
Temperatures in El Segundo are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.
Time Spent in Various Temperature Bands and the Growing Season
Growing Degree Days
The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.
The brighter period of the year lasts for 3.9 months, from April 24 to August 22, with an average daily incident shortwave energy per square meter above 7.3 kWh. The brightest day of the year is June 22, with an average of 8.4 kWh.
The darker period of the year lasts for 3.2 months, from November 6 to February 12, with an average daily incident shortwave energy per square meter below 4.0 kWh. The darkest day of the year is December 26, with an average of 2.9 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of El Segundo are 33.919 deg latitude, -118.416 deg longitude, and 92 ft elevation.
The topography within 2 miles of El Segundo contains only modest variations in elevation, with a maximum elevation change of 180 feet and an average elevation above sea level of 80 feet. Within 10 miles contains only modest variations in elevation (1,175 feet). Within 50 miles contains very significant variations in elevation (9,377 feet).
The area within 2 miles of El Segundo is covered by artificial surfaces (65%) and water (29%), within 10 miles by artificial surfaces (58%) and water (41%), and within 50 miles by water (44%) and shrubs (25%).
This report illustrates the typical weather in El Segundo, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There is only a single weather station, Los Angeles International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of El Segundo.
At a distance of 3 kilometers from El Segundo, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.
The station records are corrected for the elevation difference between the station and El Segundo according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.
Time zones for aiports and weather stations are provided by AskGeo.com .