Watford 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 Watford, Hertfordshire, United Kingdom. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Seasonal sunshine in Watford varies. It peaks at 219 hours in July and drops to 54 hours in December. The total annual amount of sun is 1675 hours.

Daily hours of sunshine

In Watford, summer days are longer and more sunny, with daily sunshine hours peaking at 7.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.8 hours per day.

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%.

Watford enjoys an average of 1675 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

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

August, Watford’s wettest month, receives 63 mm (2.5 in) of rainfall and has a maximum daytime temperature of 22°C (72°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 Watford Precipitation page.