Round Rock (TX) Sunshine Hours by Month
When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Round Rock, Texas, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.
Monthly hours of sunshine
Seasonal sunshine in Round Rock varies. It peaks at 317 hours in July and drops to 154 hours in December. The total annual amount of sun is 2645 hours.
Daily hours of sunshine
In Round Rock, summer days are longer and more sunny, with daily sunshine hours peaking at 10.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.1 hours per day.
Average percent of sunshine
On average the sun shines 74% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 49%.
Round Rock vs Major Cities: Sunshine Compared
Round Rock enjoys an average of 2645 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, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.
Vancouver, Canada, receives approximately 1940 hours of sunshine annually.
In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.
Related Climate Data for Round Rock
October, Round Rock’s wettest month, receives 46 mm (1.8 in) of rainfall and has a maximum daytime temperature of 28°C (82°F). During the driest month February you can expect a temperature of 18°C (64°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Round Rock Precipitation page.
