The climate of Merthyr Tydfil in May is humid. An average of 86 mm precipitation is recorded over 17 days. The situation is wetter than the previous month: in April, an average of 62 mm is recorded over 15 days.
Temperatures are rather cool in Merthyr Tydfil in May, but remain tolerable with appropriate clothing. The average maximum temperature reaches 14°C, while the minimum falls to about 8°C. The month's average temperature is 11°C. These normals should be compared with the records recorded in Merthyr Tydfil in May: 23°C as a maximum in 2010 and 1°C as a minimum in 2012. We can expect about 5 days with temperatures above 18°, i.e. 16% of the month.
In May, the days last on average 15:40 in Merthyr Tydfil. The sun rises around 04:20 and sets around 20:00.
With only fair weather, the month of May is not the best month of the year, but a stay to Merthyr Tydfil in Wales remains possible depending on your priorities.
In May, the most favorable activities in Merthyr Tydfil are: Hiking and trekking and Nature and landscapes.
