The climate of Snowdonia National Park in May is humid. An average of 125 mm precipitation is recorded over 20 days. The situation is wetter than the previous month: in April, an average of 98 mm is recorded over 18 days.
Temperatures are rather cool in Snowdonia National Park in May, but remain tolerable with appropriate clothing. The average maximum temperature reaches 11°C, while the minimum falls to about 6°C. The month's average temperature is 9°C. These normals should be compared with the records recorded in Snowdonia National Park in May: 26°C as a maximum in 2010 and -3°C as a minimum in 2021. We can expect about 3 days with temperatures above 18°, i.e. 10% of the month.
In May, the days last on average 15:52 in Snowdonia National Park. The sun rises around 04:17 and sets around 20:09.
With unfavorable weather, the month of May is not the most recommended month to travel to Snowdonia National Park in Wales.
In May, the most favorable activities in Snowdonia National Park are: Hiking and trekking and Nature and landscapes.
By contrast, these activities are not recommended or are ill-suited in Snowdonia National Park in May: Winter sports and snow.
