The climate of Hiiumaa Island in May is humid. An average of 57 mm precipitation is recorded over 11 days. The situation is wetter than the previous month: in April, an average of 47 mm is recorded over 13 days.
Temperatures are rather cool in Hiiumaa Island in May, but remain tolerable with appropriate clothing. The average maximum temperature reaches 12°C, while the minimum falls to about 9°C. The month's average temperature is 11°C. These normals should be compared with the records recorded in Hiiumaa Island in May: 22°C as a maximum in 2014 and 2°C as a minimum in 2011. We can expect about 4 days with temperatures above 18°, i.e. 13% of the month.
In May, the days last on average 16:55 in Hiiumaa Island. The sun rises around 03:59 and sets around 20:54.
With only fair weather, the month of May is not the best month of the year, but a stay to Hiiumaa Island in Estonia remains possible depending on your priorities.
In May, the most favorable activities in Hiiumaa Island are: Beach and swimming, Hiking and trekking, Cultural visits and heritage, Animal observation, Nature and landscapes and Boat trip and cruise.
Some activities remain possible even if conditions are not optimal: Watersports.