May in Rosetta averages a daily high of 27.1°C with nights around 16.4°C. Rain is rare — about 0.4 wet days and 0.2mm across the month. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Rosetta is April–May.
Based on ALEXANDRIA INTERNATIONAL, EG (50.5km), 1995–2024. 10 years of May data.