Londonderry County is one of several regions in the United Kingdom, with temperatures that range from 8°C (46°F) in January to 19°C (66°F) during the peak of July. We've based our full climate overview on data from Londonderry, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Londonderry County, there are no specific months with consistently comfortable weather, but average temperatures vary throughout the year.
The coldest months are usually in January, February and December.
Precipitation in Londonderry County remains relatively steady throughout the year, ranging from 107 mm (4.2 in) in August to 85 mm (3.3 in) in March.
For those seeking sunshine, May usually has the brightest skies, making it an excellent time for exploring the region.