July Weather in Newcastle, United States

Last updated: June 24, 2025

In Newcastle, United States, the average temperature in July is a warm 30°C (87°F), with temperatures ranging from a cool minimum of 19°C (66°F) to a scorching maximum of 43°C (109°F). Expect about 23 mm (0.9 in) of precipitation spread over 6 days, and enjoy a comfortable average humidity of 75%.

July Temperature in Newcastle

In July in Newcastle, the average temperature is 30°C (87°F), with maximums soaring to 43°C (109°F) and minimums dipping to as low as 19°C (66°F). It's advisable to pack lightweight clothing for the daytime and a light jacket for cooler evenings.

July Weather in Newcastle: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Newcastle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newcastle, July typically has an average temperature of 30°C (87°F), with highs reaching up to 43°C (109°F) and lows dropping to around 19°C (66°F).

Data source: Temperature data for Newcastle generated using information from the Copernicus Climate Change Service.

July Precipitation in Newcastle

In Newcastle in July, the precipitation amount is 23 mm (0.9 in) spread over 6 days.

July Precipitation Trends in Newcastle

The chart displays monthly precipitation patterns in Newcastle, 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 Newcastle, July typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Newcastle

In Newcastle in July, humidity is 75%. With an average temperature of 30°C (87°F), this humidity feels like traveling through a thick, warm blanket that clings to your skin, making every step feel heavier and leaving you yearning for a cool breeze.

July Average Humidity in Newcastle

This chart illustrates the average monthly humidity levels in Newcastle, 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 Newcastle is approximately 75%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Newcastle

In Newcastle in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Newcastle.

Maximum UV Index Levels in Newcastle for July

The chart shows the monthly maximum UV Index (UVI) for Newcastle 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 Newcastle typically reaches 11, which falls under the extreme exposure category.

Data source: Newcastle 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 Newcastle Compares to Other Months

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

This table compares monthly weather conditions in Newcastle, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	37 mm (1.5 inches)	77%	moderate
February Weather	8°C (47°F)	44 mm (1.7 inches)	76%	high
March Weather	15°C (59°F)	71 mm (2.8 inches)	74%	very high
April Weather	18°C (65°F)	63 mm (2.5 inches)	75%	very high
May Weather	24°C (75°F)	99 mm (3.9 inches)	80%	extreme
June Weather	28°C (83°F)	57 mm (2.2 inches)	80%	extreme
July Weather	30°C (87°F)	23 mm (0.9 inches)	75%	extreme
August Weather	30°C (86°F)	48 mm (1.9 inches)	67%	extreme
September Weather	26°C (79°F)	94 mm (3.7 inches)	64%	very high
October Weather	19°C (67°F)	78 mm (3.1 inches)	70%	very high
November Weather	13°C (55°F)	33 mm (1.3 inches)	82%	high
December Weather	10°C (50°F)	41 mm (1.6 inches)	85%	moderate