Porrentruy Weather in May

May in Porrentruy averages 19°C (66°F) during the day and 9°C (48°F) at night. It is the wettest month of the year, with 148 mm (5.8 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Porrentruy in May

The month brings the most rain, so be prepared with an umbrella for the occasional shower. Historically, approximately 18 days this month are expected to have rain, averaging 148 mm (5.8 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Porrentruy in May

Daytime highs in Porrentruy in May reach 19°C (66°F), with nights around 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Porrentruy in May

The area experiences a moderate amount of sunshine, with approximately 188 hours of sunlight expected. This means a decent mix of sun and overcast.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Porrentruy.