Katy (TX) Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Katy, Texas, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Sunshine in Katy varies greatly throughout the year. The sunniest month, July, reaches an impressive 295 hours, while January, the darkest month, offers only 142 hours. The total annual amount of sun is 2584 hours.

Daily hours of sunshine

In Katy, summer days are longer and more sunny, with daily sunshine hours peaking at 9.8 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 4.7 hours per day.

Average percent of sunshine

On average the sun shines 68% of the time during the day in July, the highest percentage of any month. January has the lowest percentage at 44%.

Katy enjoys an average of 2584 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

Manchester, UK, experiences just around 1420 hours of sunshine annually.

Boston, USA, enjoys 2629 hours of sunshine annually, with distinct seasons and many bright, sunny days.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

May, Katy’s wettest month, receives 91 mm (3.6 in) of rainfall and has a maximum daytime temperature of 30°C (86°F). During the driest month February you can expect a temperature of 19°C (66°F).

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