The climate of Carmarthen in May is humid. An average of 81 mm precipitation is recorded over 18 days. The situation is wetter than the previous month: in April, an average of 65 mm is recorded over 15 days.
Temperatures are rather cool in Carmarthen in May, but remain tolerable with appropriate clothing. The average maximum temperature reaches 14°C, while the minimum falls to about 10°C. The month's average temperature is 12°C. These normals should be compared with the records recorded in Carmarthen in May: 24°C as a maximum in 2010 and 3°C as a minimum in 2020. We can expect about 4 days with temperatures above 18°, i.e. 13% of the month.
In May, the days last on average 15:41 in Carmarthen. The sun rises around 04:23 and sets around 20:04.
With only fair weather, the month of May is not the best month of the year, but a stay to Carmarthen in Wales remains possible depending on your priorities.
In May, the most favorable activities in Carmarthen are: Cultural visits and heritage and Nature and landscapes.
