Average Monthly Sunshine hours in Sunnyvale (CA)

This graph shows the average number of hours per month that Sunnyvale receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

• On average, May is the sunniest month with 324 hours of sunshine.
• December has on average the lowest amount of sunshine with 160 hours.
• On average, the total annual amount of sun is 3072 hours.

Forecast: is it sunny in Sunnyvale (CA)?

Thu   Nov 21

19°C | 15°C

SE 32 km/h

broken clouds and no rain

hourly forecast

Fri   Nov 22

18°C | 14°C

SE 18 km/h

56 mm

overcast and heavy rain

hourly forecast

Sat   Nov 23

18°C | 9°C

W 7 km/h

3.9 mm

partly cloudy and rain

hourly forecast

5-Day Forecast 10-Day Forecast