Altoona (IA) Sunshine Hours by Month
Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Altoona, Iowa, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.
Monthly hours of sunshine
Sunshine in Altoona varies greatly throughout the year. The sunniest month, July, reaches an impressive 335 hours, while December, the darkest month, offers only 129 hours. The total annual amount of sun is 2700 hours.
Daily hours of sunshine
This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.3 hours of sunlight per day.
Average percent of sunshine
On average the sun shines 72% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 45%.
Altoona vs Major Cities: Sunshine Compared
Altoona enjoys an average of 2700 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.
In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.
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 Altoona
June, Altoona’s wettest month, receives 108 mm (4.3 in) of rainfall and has a maximum daytime temperature of 28°C (82°F). During the driest month January you can expect a temperature of -1°C (30°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Altoona Precipitation page.
