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Average Monthly Sunshine in Hayward (CA)

The graphs on this page shows the average number of hours per month and per day that Hayward receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine


Seasonal sunshine in Hayward varies. It peaks at 324 hours in May and drops to 160 hours in December. The total annual amount of sun is 3072 hours.

Daily hours of sunshine


This means the city can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.3 hours of sunlight per day.

Hayward’s total hours of sunshine compared to other major cities

Hayward enjoys an average of 3072 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

Other climate information

December, Hayward’s wettest month, receives 4.2 mm of rainfall and has a maximum daytime temperature of 14°C. During the driest month August you can expect a temperature of 25°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Hayward Precipitation page.


Forecast: is it sunny in Hayward (CA)?

Sat   Dec 28
17°C | 11°C
W 3 m/s
0.7 mm
broken clouds and  chance of slight rain

broken clouds and chance of slight rain

Sun   Dec 29
15°C | 9°C
SW 6 m/s
8.8 mm
partly cloudy and rain

partly cloudy and rain

Mon   Dec 30
14°C | 7°C
W 3 m/s
partly cloudy and no rain

partly cloudy and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Hayward.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.