ClimateForecastMayJune >>

Average monthly snow and rainfall in Hayward (CA)

The mean monthly precipitation over the year in Hayward (California), including rain, snow, hail.

  • Most rainfall (rainy season) is seen in December.
  • Hayward has dry periods in May, June, July, August and September.
  • On average, December is the wettest month with 109 mm of precipitation.
  • On average, August is the driest month with 0 mm of precipitation.
  • The average amount of annual precipitation is 504 mm.

Weather Forecasts for Hayward (CA)

Thu   May 02
23°C | 10°C
W 25 km/h
clear and no rain

clear and no rain

Fri   May 03
22°C | 12°C
W 25 km/h
almost clear and no rain

almost clear and no rain

Sat   May 04
16°C | 11°C
W 29 km/h
20 mm
broken clouds and rain

broken clouds and rain

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