ClimateForecastNovemberDecember >>

San Bruno (CA) Precipitation: Average Monthly Rainfall and Snowfall

This graph shows the average amount of rainfall per month in San Bruno (California). The numbers are calculated over a 30-year period to provide a reliable average.

  • Most rainfall (rainy season) is seen in December.
  • San Bruno has dry periods in May, June, July, August, September and October.
  • On average, December is the wettest month with 113 mm of precipitation.
  • On average, July is the driest month with 1 mm of precipitation.
  • The average amount of annual precipitation is 481 mm.

Current rainfall in San Bruno (CA)

Sat   Nov 23
16°C | 11°C
W 14 km/h
1 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Sun   Nov 24
16°C | 9°C
S 14 km/h
3.2 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Mon   Nov 25
14°C | 11°C
SW 11 km/h
17 mm
overcast and heavy rain

overcast and heavy rain

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