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July Weather in New Castle, United States

Last updated: June 24, 2025

In New Castle, United States, the average temperature in July is a pleasant 24°C (76°F). However, be prepared for a range, as temperatures can dip to a minimum of 14°C (57°F) and soar to a maximum of 33°C (92°F). Expect 112 mm (4.4 in) of precipitation spread over 12 days, accompanied by an average humidity level of 79%. 🌦️

July Temperature in New Castle

In July in New Castle, the average temperature is 24°C (76°F). Maximums can reach 33°C (92°F), while minimums can drop to as low as 14°C (57°F). This pleasant climate makes it an ideal destination for travelers seeking comfortable weather for outdoor activities and exploration.

July Weather in New Castle: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in New Castle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Castle, July typically has an average temperature of 24°C (76°F), with highs reaching up to 33°C (92°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec293342516372757369574135
Data source: Temperature data for New Castle generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in New Castle

In New Castle in July, the total precipitation amount is 112 mm (4.4 in), falling over the course of 12 days.

July Precipitation Trends in New Castle

The chart displays monthly precipitation patterns in New Castle, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In New Castle, July typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec79991209914012011293891029381
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in New Castle

In New Castle in July, humidity is 79%. With an average temperature of 24°C (76°F), this humidity feels like a thick blanket wrapped around you, making traveling somewhat uncomfortable and sticky, as you navigate through the warmth while constantly seeking shade and hydration.

July Average Humidity in New Castle

This chart illustrates the average monthly humidity levels in New Castle, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in New Castle is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in New Castle

In New Castle in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in New Castle.

Maximum UV Index Levels in New Castle for July

The chart shows the monthly maximum UV Index (UVI) for New Castle in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in New Castle typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: New Castle July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How July Weather in New Castle Compares to Other Months

Weather in New Castle varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in New Castle, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in New Castle, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)78 mm (3.1 inches)87%moderate
February Weather0°C (33°F)99 mm (3.9 inches)85%moderate
March Weather5°C (42°F)120 mm (4.7 inches)86%high
April Weather11°C (51°F)99 mm (3.9 inches)84%very high
May Weather17°C (64°F)140 mm (5.5 inches)79%very high
June Weather22°C (72°F)120 mm (4.7 inches)82%extreme
July Weather24°C (76°F)112 mm (4.4 inches)79%very high
August Weather23°C (73°F)93 mm (3.7 inches)70%very high
September Weather20°C (69°F)89 mm (3.5 inches)69%very high
October Weather14°C (57°F)101 mm (4.0 inches)76%high
November Weather5°C (41°F)93 mm (3.7 inches)88%moderate
December Weather2°C (35°F)81 mm (3.2 inches)87%moderate

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