Weather in San Francisco in August

General weather information about San Francisco

Average annual temperature is 17.5 °C

Absolute maximum temperature: 33.4 °C

Absolute minimum temperature: 2.7 °C

Number of sunny days: 151 days

Number of rainy days: 214 days

Look at detailed online map of San Francisco

* Weather data for San Francisco Mexico is based on climate observations for 2026 year

San Francisco air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.829.433.431.228.633.428.532.630.230.931.024.7
Average daytime temperature (°C)21.221.024.724.024.828.125.926.627.822.720.117.0
Average temperature (°C)14.013.717.317.919.222.020.420.521.217.514.012.4
Average night temperature (°C)8.78.311.513.214.316.415.215.315.013.49.99.1
Absolute minimum temperature (°C)3.32.74.110.010.914.712.913.513.97.74.33.4

San Francisco monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)11.011.412.012.613.113.413.312.812.311.711.110.9
Daylight minimum duration (h)10.011.011.012.012.013.013.012.011.011.010.010.0
Sunshine mean duration (h)9.29.79.99.711.012.311.811.111.38.07.36.0
Precipitation (mm)101539101851839761612128101
Sunny days20222011615551112168
Rainy days11611192515262619191423
Snow days000000000000

Best time to visit San Francisco:

The best time to visit San Francisco during the most sunny months:

  • June — 12.3(h)

The largest precipitation sum in San Francisco is at

  • April — 101(mm)
  • May — 85(mm)
  • August — 76(mm)
  • October — 121(mm)
  • December — 101(mm)