New Castle Weather in July

What's the weather like in New Castle (Kentucky) in July 2025?

The climate in New Castle during July can be summarized as hot, humid and damp.

July is in the summer in New Castle and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (87°F), whilst at night 18°C (64°F) is normal.

New Castle weather averages (imperial / metric)
Daytime temperature 30.3°C 86.5°F
Nightly temperature 17.7°C 63.9°F
Average temperature 24°C 75.2°F
Daily sunshine 9.6 hrs
Avg rainfall 118 mm 4.7 ins
Rainy days 11 days
Sea temperature 23°C 73.4°F
Humidity 72%
Windspeed 11.5kph 7 mph

On average July is the 2nd wettest month of the year in New Castle with around 118mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.6 hours of sunshine per day.

July temperatures in New Castle

New Castle average temperature in July

July rainfall

New Castle average rain in July

July hourly sunshine

New Castle average rain in July

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in New Castle in July 2025.

Other monthly averages

Best places to visit in July

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

New Castle weather stats

New Castle weather statistics
Hottest month: July 30°C 86°F
Driest month: October 75mm 3ins
Sunniest month: July 9.6hrs
Coldest month: January 3.4°C 38.1°F
Wettest month: May 124mm 4.9ins
Map showing location of New Castle (38.4334, -85.16968) New Castle map pin © Google

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