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July Weather in Newcastle, United States

Last updated: June 24, 2025

In July, the average temperature in Newcastle, United States hovers around 21°C (71°F), with minimums dipping to 9°C (48°F) and maximums reaching 35°C (95°F). Expect about 105 mm (4.1 in) of precipitation over 10 days, coupled with an average humidity level of 85%.

July Temperature in Newcastle

In July in Newcastle, the average temperature is 21°C (71°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 9°C (48°F). This weather makes Newcastle an ideal destination for travelers looking to enjoy mild temperatures and a pleasant climate.

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 21°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec272834445465707063534030
Data source: Temperature data for Newcastle 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 Newcastle

In Newcastle in July, the precipitation amount is 105 mm (4.1 in) over the course of 10 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 105 mm (4.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec87897412275651057776128111120
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Newcastle

In Newcastle in July humidity is 85%. With an average temperature of 21°C (71°F), this humidity feels like a warm, heavy blanket enveloping you, making travel a bit more tiring but also creating an atmosphere rich with the scent of blooming flora and vibrant street life.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%84%79%79%86%85%83%80%77%80%81%
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 is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
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.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)87 mm (3.4 inches)85%low
February Weather-2°C (28°F)88 mm (3.5 inches)86%moderate
March Weather1°C (34°F)73 mm (2.9 inches)84%moderate
April Weather7°C (44°F)122 mm (4.8 inches)79%high
May Weather12°C (54°F)75 mm (2.9 inches)79%very high
June Weather18°C (65°F)65 mm (2.6 inches)86%very high
July Weather21°C (71°F)105 mm (4.1 inches)85%very high
August Weather21°C (71°F)76 mm (3.0 inches)83%very high
September Weather17°C (63°F)76 mm (3.0 inches)80%high
October Weather11°C (53°F)128 mm (5.0 inches)77%moderate
November Weather4°C (40°F)111 mm (4.4 inches)80%moderate
December Weather-1°C (31°F)120 mm (4.7 inches)81%low

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