Average temperature in Hayward (CA)
The mean minimum and maximum temperatures over the year in Hayward (California), the United States of America.
- On average, the warmest month is September with 25°C.
- On average, the coolest month is December with 14°C.
- The average annual maximum temperature is 20°C.
- The average annual minimum temperature is 9°C.
Weather Forecasts for Hayward (CA)
clear and no rain
almost clear and no rain
broken clouds and rain