Slough Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Slough, Buckinghamshire, United Kingdom. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Seasonal sunshine in Slough 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

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight 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%.

Slough vs Major Cities: Sunshine Compared

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

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

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

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

Related Climate Data for Slough

November, Slough’s wettest month, receives 61 mm (2.4 in) of rainfall and has a maximum daytime temperature of 12°C (54°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 Slough Precipitation page.