New Castle Weather in July

July in New Castle brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 21°C (70°F). Rainfall is on the higher side this month, averaging around 122 mm (4.8 in), so keep a rain jacket handy.

Rainfall in New Castle in July

Based on our climate data of the past 30 years, about 12 days of rain are anticipated, with 122 mm (4.8 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in New Castle in July

July in New Castle sees highs of 31°C (88°F) and lows of 21°C (70°F) overnight. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights are mild at around 21°C (70°F), which is comfortable for most people. Note that these temperatures are average, but some days may be hotter. Dress in cool, breathable fabrics to stay comfortable in the heat.

Sunshine in New Castle in July

Enjoy a sunny month with about 275 hours of sunshine, the clear skies make New Castle even more beautiful.

For New Castle itself, May generally stands 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 New Castle's climate page.

New Castle Temperature in July

Min Temperature 21°C (70°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 40%  

Precipitation 122 mm (4.8 in)  

Rainy days 12 days  

Humidity 69% *  

Sunshine 275 hours *  

Percentage Sunshine 61% *  

* Data from: Philadelphia, the United States of America (47 KM, 29 Miles).

What to Wear in New Castle 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 New Castle 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 New Castle's climate page.

More climate data for New Castle

Temperature Rainfall Sunshine Humidity

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