Average Monthly Sunshine in Walnut (IA)

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

Monthly hours of sunshine

Seasonal sunshine in Walnut varies. It peaks at 335 hours in July and drops to 133 hours in December. The total annual amount of sun is 2730 hours.

Daily hours of sunshine

In Walnut, summer days are longer and more sunny, with daily sunshine hours peaking at 11.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.4 hours.

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

Walnut enjoys an average of 2730 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.

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

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

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

Other climate information

June, Walnut’s wettest month, receives 92 mm of rainfall and has a maximum daytime temperature of 28°C. During the driest month January you can expect a temperature of -1°C.

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