San Diego is a large coastal city located in the southwestern corner of California. The climate in San Diego is classified as an arid Mediterranean climate, with warm, dry summers but also mild, fairly dry winters. The average temperature in San Diego ranges from the mid-60s Farenheit (18 C) in the winter to the mid-70s (24 C) in the summer. The city also experiences low humidity, which helps to make the climate more comfortable.
Rainfall in San Diego is generally light, with most of the precipitation occurring in the winter months. The average annual rainfall is just over 10 inches (250mm), and most of the rain falls between November and March. The city also experiences a rare, occasional light snowfall during the winter months.
San Diego is well known for an abundance of sunshine throughout the year, with an average of about 260 sunny days per year. This makes San Diego an ideal place for outdoor activities, such as surfing and swimming. In addition, the city's mild climate makes it a popular vacation spot for people from around the world.
The bar chart below shows the average monthly peak daytime temperatures at San Diego
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
The graph below shows the average rainfall and number of rainy days per month.
Average annual rainfall in San Diego: 177.267mm (69.8 inches)
The bar chart below shows the average daily sunshine hours in San Diego
The graph below shows the daily range of temperatures for each month.
The graph below shows the average sea temperature.
The graph below shows the average wind speed.
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
|Hottest month:||August||26.7°C 80.1°F|
|Driest month:||July||1mm 0ins|
|Coldest month:||January||18.4°C 65.1°F|
|Wettest month:||January||53mm 2.1ins|
|Warmest sea:||September||20.5°C 68.9°F|