Pasadena (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 Pasadena, Texas, United States of America. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Sunshine in Pasadena 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

Seasonal changes in sunshine hours are quite obvious in Pasadena. While July receives considerable daily sunshine with up to 9.8 hours, January marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight 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%.

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

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Toronto, Canada, sees around 2071 hours of sunshine each year, with especially long, bright summer days.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

October, Pasadena’s wettest month, receives 119 mm (4.7 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 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 Pasadena Precipitation page.