New Castle Weather in May

New Castle in May sees high temperatures, with highs around 23°C (73°F) and overnight lows of 9°C (48°F). Rainfall is fairly high at around 90 mm (3.5 in) on average, so pack waterproofs just in case.

Rainfall in New Castle in May

Typically, about 13 days will experience rainfall, with an average of 90 mm (3.5 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in New Castle in May

Weather in New Castle is at its excellent in May. Highs reach 23°C (73°F), while nights settle around 9°C (48°F). Overall, the month follows a fairly predictable daily temperature pattern. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in New Castle in May

Expect sunny days throughout the month, with an estimated 217 hours of sunshine. This makes it a pleasant time to visit New Castle.

If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.

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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.

New Castle Temperature in May

Min Temperature 9°C (48°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 45%  

Precipitation 90 mm (3.5 in)  

Rainy days 13 days  

Humidity 63% *  

Sunshine 217 hours *  

Percentage Sunshine 48% *  

* Data from: Pittsburgh, the United States of America (57 KM, 35 Miles).

What to Wear in New Castle in May

Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. 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 May

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

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

4/10

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.