Rocklin (CA) Sunshine Hours by Month
To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Rocklin, California, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.
Monthly hours of sunshine
Seasonal sunshine in Rocklin varies. It peaks at 440 hours in July and drops to 141 hours in December. The total annual amount of sun is 3602 hours.
Daily hours of sunshine
In Rocklin, summer days are longer and more sunny, with daily sunshine hours peaking at 14.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.7 hours per day.
Average percent of sunshine
On average the sun shines 98% of the time during the day in July, the highest percentage of any month. January has the lowest percentage at 48%.
Rocklin vs Major Cities: Sunshine Compared
Rocklin enjoys an average of 3602 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 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.
Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.
Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.
Related Climate Data for Rocklin
December, Rocklin’s wettest month, receives 0.1 mm (0 in) of rainfall and has a maximum daytime temperature of 13°C (55°F). During the driest month July you can expect a temperature of 36°C (97°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Rocklin Precipitation page.