April in Dundalk averages a daily high of 19.6°C with nights around 9.7°C. Expect roughly 10.9 wet days totalling 95.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Dundalk is April–May.
Based on MARYLAND SCIENCE CENTER, MD US (8.5km), 1995–2024. 23 years of April data.