Welwyn Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Welwyn, Hertfordshire, United Kingdom. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Welwyn. Expect long, bright days with 219 hours in July and darker periods with just 54 hours in December. The total annual amount of sun is 1675 hours.

Daily hours of sunshine

For those who appreciate different seasons, Welwyn serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.3 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.

Average percent of sunshine

On average the sun shines 45% of the time during the day in August, the highest percentage of any month. December has the lowest percentage at 21%.

Welwyn vs Major Cities: Sunshine Compared

Welwyn enjoys an average of 1675 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.

In contrast, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

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

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Related Climate Data for Welwyn

August, Welwyn’s wettest month, receives 65 mm (2.6 in) of rainfall and has a maximum daytime temperature of 23°C (73°F). During the driest month March you can expect a temperature of 12°C (54°F).

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