Average Monthly Sunshine in Hillsborough

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

Monthly hours of sunshine

Hillsborough experiences sunny spells throughout the year. The sunniest month, January, sees up to 279 hours of sunshine, while June, the least sunny month, still provides a respectable 210 hours. The total annual sunshine amounts to 2892 hours.

Daily hours of sunshine

The difference in daily sunshine hours between January (9.3 hours per day) and June (7.0 hours per day) offers moderate variety for visitors and residents.

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

Hillsborough enjoys an average of 2892 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Other climate information

October, Hillsborough’s wettest month, receives 155 mm of rainfall and has a maximum daytime temperature of 29°C. During the driest month February you can expect a temperature of 28°C.

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