Average Monthly Sunshine in Altena

The graphs on this page shows the average number of hours per month and per day that Altena receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Seasonal sunshine in Altena varies. It peaks at 236 hours in May and drops to 40 hours in January. The total annual amount of sun is 1703 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 7.9 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 1.3 hours of sunlight per day.

Altena’s total hours of sunshine compared to other major cities

Altena enjoys an average of 1703 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 Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Other climate information

December, Altena’s wettest month, receives 110 mm of rainfall and has a maximum daytime temperature of 6°C. During the driest month April you can expect a temperature of 14°C.

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