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.

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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 July

Min Temperature 17°C (63°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 43%  

Precipitation 104 mm (4.1 in)  

Rainy days 13 days  

Humidity 71% *  

Sunshine 260 hours *  

Percentage Sunshine 57% *  

* Data from: Columbus, the United States of America (37 KM, 23 Miles).

What to Wear in Delaware in July

Warm weather calls for comfortable, breathable clothing in July. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Delaware in July

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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.

More climate data for Delaware

Temperature Rainfall Sunshine Humidity

See the full Delaware climate overview or explore weather in the United States of America.