The climate of Porsgrunn in May is humid. An average of 94 mm precipitation is recorded over 15 days. The situation is wetter than the previous month: in April, an average of 43 mm is recorded over 9 days.
Temperatures are rather cool in Porsgrunn in May, but remain tolerable with appropriate clothing. The average maximum temperature reaches 14°C, while the minimum falls to about 9°C. The month's average temperature is 12°C. These normals should be compared with the records recorded in Porsgrunn in May: 25°C as a maximum in 2018 and 1°C as a minimum in 2021. We can expect about 6 days with temperatures above 18°, i.e. 19% of the month.
In May, the days last on average 16:58 in Porsgrunn. The sun rises around 03:50 and sets around 20:48.
With only fair weather, the month of May is not the best month of the year, but a stay to Porsgrunn in Norway remains possible depending on your priorities.
In May, the most favorable activities in Porsgrunn are: Nature and landscapes.
Some activities remain possible even if conditions are not optimal: Beach and swimming and Boat trip and cruise.
By contrast, these activities are not recommended or are ill-suited in Porsgrunn in May: Winter sports and snow.
