San DiegoPhoto by Felix Wöstmann on Unsplash

San Diego

United States · North America

San Diego works almost all year round, peaking in April and August–September, when it is at its strongest for beach and nightlife. The warmest month of the year delivers optimal water conditions for surfing, swimming, and water sports. Coastal breezes keep the humidity and heat comfortable.

Plan a trip to San Diego

Month by month

MonthFitWeatherCrowds & pricesWhat it's good for
January 8/10 17°C · 7 rain days crowds 2/5 · prices 2/5 Hiking, City breaks, Nature & wildlife. Mild winter days are ideal for whale watching and coastal hiking, though ocean temperatures are chilly. Occasional rain showers occur but clear days are pleasantly cool.
February 8/10 17°C · 7 rain days crowds 2/5 · prices 2/5 Hiking, City breaks, Nature & wildlife. Cool weather continues with gray whale migration in full swing off the coast. Rain chances persist, but crowds and lodging rates remain low.
March 8/10 17°C · 11 rain days crowds 3/5 · prices 3/5 City breaks, Nature & wildlife, Culture. Spring blooms begin across coastal parks, although this month has the highest number of rain days. Spring break brings moderate tourist influxes.
April 9/10 19°C · 4 rain days crowds 3/5 · prices 3/5 Hiking, City breaks, Nature & wildlife. Pleasant temperatures and fewer showers make April great for outdoor activities and visiting Balboa Park. Ocean water remains brisk for casual swimming.
May 8/10 20°C · 3 rain days crowds 3/5 · prices 3/5 City breaks, Hiking, Nature & wildlife. The characteristic May Gray marine layer often brings overcast coastal mornings, clearing by afternoon. Temperatures are comfortable for exploring theme parks and city sights.
June 8/10 22°C · 1 rain days crowds 4/5 · prices 4/5 City breaks, Hiking, Nature & wildlife. June Gloom clouds can linger along the beaches until midday, but rainfall is virtually nonexistent. Summer crowds begin picking up rapidly toward late June.
July 9/10 24°C · 0 rain days crowds 5/5 · prices 5/5 City breaks, Beach, Culture. Peak summer brings glorious beach weather, warm ocean temperatures, and Comic-Con crowds. Hotel rates reach their annual high.
August 10/10 25°C · 1 rain days crowds 5/5 · prices 5/5 Beach, Nightlife, City breaks. The warmest month of the year delivers optimal water conditions for surfing, swimming, and water sports. Coastal breezes keep the humidity and heat comfortable.
September 9/10 25°C · 1 rain days crowds 3/5 · prices 4/5 City breaks, Beach, Road trips. Often considered the best month to visit, offering summer warmth, warm ocean water, and significantly lighter post-Labor Day crowds.
October 9/10 24°C · 2 rain days crowds 3/5 · prices 3/5 City breaks, Hiking, Nature & wildlife. Warm and sunny autumn weather pairs with the citywide Kids Free San Diego promotion at major attractions. Water begins cooling off toward late month.
November 8/10 21°C · 4 rain days crowds 2/5 · prices 3/5 City breaks, Hiking, Culture. Crisp, clear autumn days offer great conditions for dining, sightseeing, and coastal walks without tourist crowds. Ocean water turns chilly.
December 8/10 18°C · 5 rain days crowds 3/5 · prices 3/5 City breaks, Hiking, Culture. Holiday boat parades and festive light displays at Balboa Park mark the start of the winter season. Gray whales begin appearing off the coast by late December.

Getting in

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