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United States of AmericaUnited States of America California Sunnyvale
Sunnyvale
Average sun percentage
Climate ▸Forecast ▸December ▸January ▸
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Average percent of sunshine in Sunnyvale (CA)

The mean percent of sunhours during the day in Sunnyvale (California), the United States of America.


  • The sun shines on average 78.0% in April making it the most sunny month.
  • On average, December has the lowest percentage of sunshine with 54.0%.

Forecast: is it sunny in Sunnyvale (CA)?

Tue   Dec 24
16°C | 8°C
NW 3 m/s
7.7 mm
partly cloudy and rain

partly cloudy and rain

hourly forecast
Wed   Dec 25
14°C | 6°C
N 2 m/s
broken clouds and no rain

broken clouds and no rain

hourly forecast
Thu   Dec 26
18°C | 8°C
SE 2 m/s
9.4 mm
broken clouds and chance of slight rain

broken clouds and chance of slight rain

hourly forecast
5-Day Forecast 10-Day Forecast

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