Delaware Weather in May

May in Delaware typically sees daytime highs of 23°C (73°F) and nighttime lows of 11°C (52°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Delaware in May

Expect around 14 days of rain based on historical data, with 102 mm (4 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Delaware in May

In May, Delaware gets high temperatures, with highs of 23°C (73°F). Nights cool to around 11°C (52°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Delaware in May

The days are predominantly sunny, with an estimated total of around 243 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Should you favor a climate that's both dry and comfortably warm, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.