Bilthoven 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 Bilthoven, Utrecht Province, Netherlands. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Sunshine in Bilthoven varies greatly throughout the year. The sunniest month, May, reaches an impressive 218 hours, while December, the darkest month, offers only 53 hours. The total annual amount of sun is 1713 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Bilthoven. While May receives considerable daily sunshine with up to 7.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 41% of the time during the day in August, the highest percentage of any month. January has the lowest percentage at 18%.

Bilthoven enjoys an average of 1713 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.

In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

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

July, Bilthoven’s wettest month, receives 87 mm (3.4 in) of rainfall and has a maximum daytime temperature of 24°C (75°F). During the driest month April you can expect a temperature of 15°C (59°F).

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