Isernia Weather in May

Isernia in May sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 9°C (48°F). Rainfall is fairly high at around 91 mm (3.6 in) on average, so pack waterproofs just in case.

Rainfall in Isernia in May

Historically, May sees about 10 days of rain, with a monthly average of 91 mm (3.6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Isernia in May

Isernia in May has excellent weather. Days reach 20°C (68°F) and nights cool to 9°C (48°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Isernia in May

The days are predominantly sunny, with an estimated total of around 208 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Isernia.