What is the climate in Wales?

The climate of Wales is temperate maritime, with mild, wet winters and cool, wet summers. The average temperature in January is 3.8°C (39°F) and the average temperature in July is 16.3°C (61°F). Rainfall is abundant throughout the year, with an average annual precipitation of 1,200 mm (47 in). The climate of Wales is influenced by its location on the Atlantic Ocean, the Gulf Stream, and the prevailing westerly winds.

The Atlantic Ocean has a major influence on the climate of Wales, providing a source of moisture and moderating the temperature. The Gulf Stream, a warm ocean current that flows along the west coast of Wales, also helps to moderate the temperature and keep the climate mild. The prevailing westerly winds bring moist air from the Atlantic Ocean, which leads to frequent rainfall.

Wales has a number of microclimates, due to its varied topography. The coastal areas are generally milder and wetter than the inland areas. The mountains of Snowdonia and the Brecon Beacons create rain shadow effects, which means that the areas on the leeward side of the mountains receive less rainfall than the areas on the windward side. The valleys of South Wales are also warmer and drier than the rest of the country.