Delaware Weather in July

During July, Delaware experiences high daytime temperatures of 28°C (82°F) and cooler nights around 17°C (63°F). Expect quite a bit of rainfall. Around 104 mm (4.1 in) is typical.

Rainfall in Delaware in July

Looking at the last 30 years, the data shows about 13 days with rain, averaging 104 mm (4.1 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Delaware in July

Expect highs of 28°C (82°F) in Delaware in July, with nights dropping to around 17°C (63°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.

Sunshine in Delaware in July

With approximately 260 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

For Delaware itself, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.