May weather forecast and climate
Delaware City, DE

Average sea temperature in May - Delaware City, DE
  • Average sea temperature in May: 53.9°F

The best month for swimming (with the highest average sea temperature) is August (76.3°F).
The coldest month (with the lowest average sea temperature) is February (40.9°F).

Average daylight in May - Delaware City, DE
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.4h).

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