June is an excellent month with moderate temperatures in many areas and sees a significant rise in tourist numbers in California. The northern parts and highlands, coastal areas, and central regions are a little cooler compared to the eastern and southern parts that border the states of Nevada and Arizona, which have a semi-arid climate. It is an excellent time to hike the mountains whose high altitude passes are impassable during the winter due to snow.
Rain and humidity drop substantially during the summer and makes way for mostly clear skies. Summer sees peak crowds in the Yosemite National Park area - be sure to get weather updates regarding wildfires and flash floods! Take precautions against the ultraviolet rays of the sun, particularly on the beaches where people prefer light clothing. Overall, California summers are mostly temperate compared to those of the neighboring states of Nevada and Arizona. The skies are dry and mostly clear with relatively lesser humidity compared to the winter.
Many sunny days adorn August with the average sunlight of 9 hours, which sees a rush of visitors to California 's beaches, mountains, and national parks. August signals the end of the summer, and the temperatures start to drop gradually by the end of the month, which makes light sweatshirts a suitable outfit during the days and nights in the core regions of the state. September beckons the beautiful autumn season to California with its majestic colors, splendor, and pleasant weather conditions.
Nights become cooler with a little rise in humidity compared to the summer and intermittent cloudy and sunny skies. The summer fog-shrouded regions of the northern coastal areas of the state see some of the sunniest days in the early autumn. Perfect blue skies do occasionally occur at many places, while some places like Hollywood witness spectacular blue skies for most of the year.
Though a shade lesser than the northeast of the United States, fall colors are a beautiful sight with an abundant variety of trees and flowers in California across diverse terrain, especially the High Sierra. October is another great time to visit California with the autumn in full cry and some of the best weather conditions in the state.
By the end of October, the first signs of rain and snow announce themselves in the mountain ranges at high altitudes. The summer crowds dwindle by late fall, and it makes a great time to visit California along with the pleasant weather conditions. The beaches mostly see the local population as the temperate seawaters attract swimmers and surfers alike - it is a wonderful time to be in California during October!
November ends the beautiful autumn in California , and the winter sets its sights on the state by the end of the month. Sunlight drops to an average of 7 hours, and there is a rise in humidity levels. Rain often follows the heavy clouds, and the state sees an average of 2" Temperatures are cozy in most parts of the state, and overall the weather is agreeable with a mild degree of coldness in the air, especially by the end of November.
Expect rains anytime and carry protection for the rain - an umbrella or a raincoat. The onset of winter sees a drop in tourist numbers who prefer to wait for more favorable weather. December is rainy with an average of 3" Snow falls in large amounts in the mountains of Sierra Nevada, while it is meager along the coast and lowlands. The winter is cold, but temperatures do not drop below freezing in most parts of the state. Much of California has a Mediterranean-like climate with warm, dry summers and mild, wet winters.
Farther inland, summers are hot and dry, winters cool and wet, with occasional brilliant blue days and temperatures cold enough to freeze puddles on the ground, but not much more than that.
At higher altitudes, the weather reflects more of a four-season cycle, with beautiful summers, striking fall color, and cold, snowy winters followed by snowmelt springs waterfall season! As you cruise this site, check out the average temperature by season for the regions and destinations you are considering.
Although it can still be cold at higher elevations, temperatures are comfortable and fresh throughout much of the state. Hillsides are blanketed with lush green grass and wildflowers. Autumn September through November brings mild weather and, in some parts of the state, spectacular foliage especially the High Sierra.
The month with the most wet days in Los Angeles is February , with an average of 5. The drier season lasts 7. The month with the fewest wet days in Los Angeles is July , with an average of 0. Among wet days, we distinguish between those that experience rain alone , snow alone , or a mixture of the two. The month with the most days of rain alone in Los Angeles is February , with an average of 5.
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding day period centered around each day of the year. Los Angeles experiences significant seasonal variation in monthly rainfall. The rainy period of the year lasts for 6. The month with the most rain in Los Angeles is February , with an average rainfall of 3.
The rainless period of the year lasts for 5. The month with the least rain in Los Angeles is July , with an average rainfall of 0. The length of the day in Los Angeles varies significantly over the course of the year. In , the shortest day is December 21 , with 9 hours, 53 minutes of daylight; the longest day is June 20 , with 14 hours, 26 minutes of daylight.
The earliest sunrise is at AM on June 12 , and the latest sunrise is 1 hour, 36 minutes later at AM on November 6. The earliest sunset is at PM on December 4 , and the latest sunset is 3 hours, 25 minutes later at PM on June The figure below presents a compact representation of key lunar data for The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars new Moons and blue bars full Moons indicate key Moon phases.
We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.
This section discusses the wide-area hourly average wind vector speed and direction at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.
The average hourly wind speed in Los Angeles experiences significant seasonal variation over the course of the year. The windier part of the year lasts for 5. The windiest month of the year in Los Angeles is December , with an average hourly wind speed of 8.
The calmer time of year lasts for 6. The calmest month of the year in Los Angeles is August , with an average hourly wind speed of 5. The wind is most often from the west for 4.
The wind is most often from the south for 3. The wind is most often from the north for 3. Los Angeles is located near a large body of water e. 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. The time of year with cooler water lasts for 4. To characterize how pleasant the weather is in Los Angeles throughout the year, we compute two travel scores.
Based on this score, the best time of year to visit Los Angeles for general outdoor tourist activities is from late May to mid October , with a peak score in the first week of July.
Based on this score, the best time of year to visit Los Angeles for hot-weather activities is from mid July to mid September , with a peak score in the last week of August. For each hour between AM and PM of each day in the analysis period to , independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.
Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.
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