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June Weather in Newcastle, United States

Last updated: June 24, 2025

The average temperature in Newcastle, United States during June is a warm 28°C (83°F). Expect temperatures to range from a minimum of 15°C (60°F) to a maximum of 41°C (105°F). Be prepared for about 57 mm (2.2 in) of precipitation over 7 days, and don't forget that the average humidity hovers around 80%, making for a humid atmosphere.

June Temperature in Newcastle

In June in Newcastle, the average temperature is 28°C (83°F). Maximum temperatures can reach 41°C (105°F), while minimums can drop to as low as 15°C (60°F). This range makes Newcastle an ideal destination for travelers seeking warm weather, but it's important to prepare for both hot days and cooler evenings.

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

The chart illustrates June 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, June typically has an average temperature of 28°C (83°F), with highs reaching up to 41°C (105°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec454759657583878679665550
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.

June Precipitation in Newcastle

In Newcastle in June, the precipitation amount is 57 mm (2.2 in) over the course of 7 days.

June Precipitation Trends in Newcastle

The chart displays monthly precipitation patterns in Newcastle, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Newcastle, June typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec374471639957234894783341
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Newcastle

In Newcastle in June, humidity is 80%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making travel feel sluggish and sticky, as every movement generates a sheen of perspiration that clings to your skin.

June Average Humidity in Newcastle

This chart illustrates the average monthly humidity levels in Newcastle, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Newcastle is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Newcastle

In Newcastle in June, 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 June

The chart shows the monthly maximum UV Index (UVI) for Newcastle in June, 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 June, the maximum UV index in Newcastle typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Newcastle June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)37 mm (1.5 inches)77%moderate
February Weather8°C (47°F)44 mm (1.7 inches)76%high
March Weather15°C (59°F)71 mm (2.8 inches)74%very high
April Weather18°C (65°F)63 mm (2.5 inches)75%very high
May Weather24°C (75°F)99 mm (3.9 inches)80%extreme
June Weather28°C (83°F)57 mm (2.2 inches)80%extreme
July Weather30°C (87°F)23 mm (0.9 inches)75%extreme
August Weather30°C (86°F)48 mm (1.9 inches)67%extreme
September Weather26°C (79°F)94 mm (3.7 inches)64%very high
October Weather19°C (67°F)78 mm (3.1 inches)70%very high
November Weather13°C (55°F)33 mm (1.3 inches)82%high
December Weather10°C (50°F)41 mm (1.6 inches)85%moderate

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