Derry 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 Derry, Donegal County, Ireland. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Seasonal sunshine in Derry varies. It peaks at 203 hours in May and drops to 39 hours in December. The total annual amount of sun is 1342 hours.

Daily hours of sunshine

In Derry, summer days are longer and more sunny, with daily sunshine hours peaking at 6.8 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.3 hours per day.

Derry enjoys an average of 1342 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, Brussels, Belgium, receives only about 1590 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.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

August, Derry’s wettest month, receives 106 mm (4.2 in) of rainfall and has a maximum daytime temperature of 19°C (66°F). During the driest month March you can expect a temperature of 11°C (52°F).

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