Climate of San Diego
San Diego has a mediterranean climate. The summers are hot and dry, and the temperature is mild in the winter. The average annual temperature for San Diego is 40° degrees and there is about 72 inch of rain in a year. It is dry for 265 days a year with an average humidity of 67% and an UV-index of 5.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 17°C and 25°C
- Night:the average nighttime temperature is between 11°C and 18°C
- Sea temperature: the sea temperature is between 16°C and 22°C
- Rain: it rains 56 days and there is a total of approximately 183 mm rainfall
- Sun hours: throughout the year there are 3496 sun hours
|Maximum temperature:||between 17°C and 25°C|
|Warmest month:||25°C in August|
|Coldest month:||17°C in February|
|Night temperature:||between 11°C and 18°C|
|Sea temperature:||between 16°C and 22°C|
|Dry days:||309 days|
|Days with rain:||56 days|
|Days with snow:||0 days|
|Total rain sum:||183 mm|
|Hours of sunshine:||3496 hours|
This graph shows the average maximum temperature (red) and minimum temperature (blue) for San Diego.
This graph shows the average amount of rainfall per month for San Diego.
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Climate table of San Diego
In this climate table you can see at a glance what the average weather per month is for San Diego. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for San Diego might be like in a given month.
|Day temp. (°F)||64||63||65||66||67||71||75||77||77||73||69||63|
|Night temp. (°F)||53||52||52||53||55||58||64||65||65||61||57||52|
|Water temp. (°F)||61||61||62||62||66||67||70||71||69||67||65||63|
|Days with rain||5||6||6||5||4||2||6||4||4||4||5||5|
|Sun hours per day||7||7||9||12||11||12||12||12||10||9||7||7|
|Wind force (Bft)||2||2||2||2||2||2||2||2||2||2||2||2|
Best time to visit San Diego
The best time to visit San Diego in the state of California is from January and March through November. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in San Diego is 77°F in August and the lowest is 63°F in February. The highest water temperature is 71°F and at its coldest the water is 61°F.
Climate of San Diego by month
What is the average climate in a given month for San Diego? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
San Diego weather experiences
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