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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Delaware's climate page.
Delaware Temperature in May
Min Temperature
11°C (52°F)
Max Temperature
23°C (73°F)
Chance of Rain
47%
Precipitation
102 mm (4 in)
Rainy days
14 days
Humidity
66% *
Sunshine
243 hours *
Percentage Sunshine
55% *
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Delaware in May
For Delaware in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Delaware in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Delaware's climate page.
Temperature Rainfall Sunshine Humidity
See the full Delaware climate overview or explore weather in the United States of America.
