The US average is sunny days. San Diego gets some kind of precipitation, on average, 38 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.
Summer High: the July high is around 79 degrees Winter Low: the January low is 46 Rain: averages 12 inches of rain a year Snow: averages 0 inches of snow a year. 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.
Start Your Review of San Diego. Members receive 10 FREE city profile downloads a month, unlimited access to our detailed cost of living calculator and analysis, unlimited access to our DataEngine, and more. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.
All data relating to the Sun's position e. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a kilometer grid. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database. Time zones for airports and weather stations are provided by AskGeo.
The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.
We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: 1 are based on computer models that may have model-based errors, 2 are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and 3 have particular difficulty with the weather in some coastal areas, especially small islands.
We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.
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Spring Summer Fall Winter. Climate in San Diego Link. History: San Diego weather by month. Click on each chart for more information. The daily average high red line and low blue line temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight. Compare San Diego to another city:. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed both rain and snow fell in the same day. The average rainfall solid line accumulated over the course of a sliding day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands.
The thin dotted line is the corresponding average snowfall. The number of hours during which the Sun is visible black line. From bottom most yellow to top most gray , the color bands indicate: full daylight, twilight civil, nautical, and astronomical , and full night.
The solar day over the course of the year From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight.
The day, twilights civil, nautical, and astronomical , and night are indicated by the color bands from yellow to gray.
The transitions to and from daylight saving time are indicated by the 'DST' labels. The time in which the moon is above the horizon light blue area , with new moons dark gray lines and full moons blue lines indicated. San Diego experiences some seasonal variation in the perceived humidity. The percentage of time spent at various humidity comfort levels, categorized by dew point. The average of mean hourly wind speeds dark gray line , with 25th to 75th and 10th to 90th percentile bands. Wind Direction in San Diego Link.
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions northeast, southeast, southwest, and northwest. But vacationing this time of year could be problematic. Come July, room rates are likely to spike, especially around Comic-Con International.
Comic-Con is so big, hotel rooms tend to be sold out months in advance, both downtown where the event is held and in the neighboring areas. Autumn is a sweet spot in San Diego tourism. Although tourists tend to linger well into September to soak up the last of the summer weather average highs remain in the upper 70s , October and November see a drop in crowds as well as hotel rates.
Foodies will want to visit during this time for the multiple culinary events held, including Restaurant Week in September. On the other hand, hotel rates generally tend to be lower in the winter. San Diego, California is a great place to visit any time of the year; it just depends on your preferences!
For more information on weather in La Jolla and other parts of San Diego County , visit our handy guides section. Need more inspo?
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