San Diego, CA Weather

57°F

Mostly Sunny

Air Quality Index: 42 (Good)

San Diego, CA Climate Overview

San Diego, CA, experiences a semi-arid Mediterranean climate characterized by mild, wet winters and warm, dry summers. This climate type is generally marked by a lack of extreme temperatures and limited precipitation. The city's proximity to the Pacific Ocean heavily influences its weather, providing a moderating effect that keeps temperatures relatively stable year-round.

In the summer, San Diego typically sees high temperatures ranging from the mid-70s to low 80s Fahrenheit, with nighttime lows in the mid-60s. Winters are mild, with daytime highs in the mid-60s and lows in the upper 40s to low 50s. Spring and fall transition smoothly, with gradual temperature changes and minimal extremes.

The annual precipitation in San Diego averages around 10 inches, with the majority falling between November and March. February is often the wettest month, while the summer months, particularly June through September, are typically the driest, with almost negligible rainfall. Snow is virtually non-existent in the city itself due to its low elevation and coastal location.

San Diego's weather is relatively stable, with little risk of severe weather phenomena such as tornadoes or hurricanes. However, the region is susceptible to wildfires, especially during the late summer and fall when Santa Ana winds can exacerbate dry conditions. These winds originate inland and bring hot, dry air to the coastal areas.

The geographic setting of San Diego, bordered by the Pacific Ocean to the west and coastal mountains to the east, plays a crucial role in shaping its climate. The elevation ranges from sea level to modest heights, which, combined with the ocean's influence, creates a temperate environment with limited variation in weather patterns.