San Diego Weather in August
United States · 30-year monthly averages
🌟 Great time to visit
August in San Diego is warm, with average daytime highs around 25°C (77°F) and nighttime lows near 20°C (67°F). Expect roughly 0mm of precipitation spread over about 0 rainy days, and rain is rare.
Avg high
25°C
77°F
Avg low
20°C
67°F
Rainfall
0mm
very dry
Rainy days
0
days with ≥1mm
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
August vs the rest of the year
FAQ
- How hot is San Diego in August?
- August in San Diego is warm, with average daytime highs around 25°C (77°F) and nighttime lows near 20°C (67°F). Expect roughly 0mm of precipitation spread over about 0 rainy days, and rain is rare.
- Does it rain a lot in San Diego in August?
- San Diego sees around 0mm of precipitation in August on average — very dry by global standards.
- Is August a good time to visit San Diego?
- August is one of the best months to visit San Diego — comfortable temperatures and manageable rainfall.