San Francisco
Weather by month
Current –

San Francisco Weather in August

August in San Francisco sees daytime temperatures around 23°C (73°F) and lows of 14°C (57°F) at night. As the driest month of the year.

Rainfall in San Francisco in August

San Francisco is in the rainy season in August, with rain on around 14 days and an average of 173 mm (6.8 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea. This month is perfect for exploring, with the driest conditions of the year.

Temperature in San Francisco in August

In August, San Francisco sees high temperatures, with highs of 23°C (73°F). Nights drop to around 14°C (57°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in San Francisco in August

With about 117 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.

San Francisco Temperature in August

Min Temperature
14°C (57°F)
Max Temperature
23°C (73°F)
Chance of Rain
45%
Precipitation
173 mm (6.8 in)
Rainy days
14 days
Humidity
74% *
Sunshine
117 hours *
Percentage Sunshine
32% *
* Data from: Bogotá, Colombia (34 KM, 21 Miles).

San Francisco Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in San Francisco - and find the best time to visit.

Best Places in Colombia in August

Find out more about the weather in Colombia and which places have the best travel conditions in this month. See all of Colombia in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in San Francisco in August

Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in San Francisco in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    7/10
  • Camping
    6/10

San Francisco 3-Day Forecast

More climate data for San Francisco

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.