Worst time to visit San Diego

Some months in San Diego are clearly tougher for travel — extreme heat, cold, drenching rain, or peak storm season. Here's what to skip.

Country
🇺🇸 United States
Region
North America
Hottest
September 26°C
Coldest
January 9°C low
Wettest
March 11 rain days
Driest
July 2 rain days

Months to avoid

MonthWhy
Augustpeak hurricane season
Septemberpeak hurricane season
Octoberpeak hurricane season

What to expect in the worst months

August. This is peak hurricane season — disruptive weather can shut down flights, boats, and outdoor activities at short notice.

September. This is peak hurricane season — disruptive weather can shut down flights, boats, and outdoor activities at short notice.

October. This is peak hurricane season — disruptive weather can shut down flights, boats, and outdoor activities at short notice.

Better times to go

Better months: January (18°C, 8 rain days) · February (18°C, 8 rain days) · March (19°C, 11 rain days) · April (20°C, 8 rain days) · May (20°C, 9 rain days) · June (22°C, 4 rain days) · July (25°C, 2 rain days) · November (21°C, 6 rain days)

Better in the same region in August

If you're set on North America in August, these cities have more comfortable conditions in the same window:

If you still have to go — what to bring

Related San Diego guides

See the best time to visit San Diego →

The positive counterpart: which months are great and why.