New Castle Weather in May

With daytime temperatures of 23°C (73°F) and nighttime lows of 13°C (55°F), May in New Castle brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 88 mm (3.5 in) falls on average.

Rainfall in New Castle in May

Climate statistics over the past 30 years suggest around 12 days of rain, with 88 mm (3.5 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in New Castle in May

May is a excellent month in New Castle, with 23°C (73°F) during the day and 13°C (55°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in New Castle in May

The days are predominantly sunny, with an estimated total of around 247 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If your ideal day consists of dry skies and pleasant temperatures, May typically offers the best circumstances for New Castle.

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Check the conditions for any month of the year.

• January
• February
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• May
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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 May

Min Temperature 13°C (55°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 40%  

Precipitation 88 mm (3.5 in)  

Rainy days 12 days  

Humidity 66% *  

Sunshine 247 hours *  

Percentage Sunshine 55% *  

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

What to Wear in New Castle in May

For New Castle 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in New Castle in May

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

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.