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April Weather in Newcastle, United States

Last updated: June 24, 2025

In April, the average temperature in Newcastle, United States hovers around 6°C (43°F). Expect a range of temperatures from a chilling -18°C (0°F) to a warm 28°C (82°F). During this month, precipitation amounts to 46 mm (1.8 in), typically spread over 8 days. With an average humidity of 66%, be prepared for a diverse mix of weather conditions!

April Temperature in Newcastle

In April in Newcastle, the average temperature is 6°C (43°F), with maximums reaching 28°C (82°F) and minimums dropping as low as -18°C (0°F). It’s advisable to pack layers to accommodate the wide temperature range for your travels.

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

The chart illustrates April 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, April typically has an average temperature of 6°C (43°F), with highs reaching up to 28°C (82°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec252237435468747163443627
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.

April Precipitation in Newcastle

In Newcastle in April, the precipitation amount is 46 mm (1.8 in) over the course of 8 days.

April Precipitation Trends in Newcastle

The chart displays monthly precipitation patterns in Newcastle, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Newcastle, April typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec152431466434473130401924
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Newcastle

In Newcastle in April, humidity is 66%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring warm layers for comfort while traveling.

April Average Humidity in Newcastle

This chart illustrates the average monthly humidity levels in Newcastle, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Newcastle is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%78%64%66%74%84%85%85%76%71%73%75%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Newcastle

In Newcastle in April, 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 Newcastle.

Maximum UV Index Levels in Newcastle for April

The chart shows the monthly maximum UV Index (UVI) for Newcastle in April, 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 April, the maximum UV index in Newcastle typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3561091111108642
Data source: Newcastle April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)15 mm (0.6 inches)73%moderate
February Weather-6°C (22°F)24 mm (1.0 inches)78%moderate
March Weather3°C (37°F)31 mm (1.2 inches)64%high
April Weather6°C (43°F)46 mm (1.8 inches)66%very high
May Weather12°C (54°F)63 mm (2.5 inches)74%very high
June Weather20°C (68°F)34 mm (1.3 inches)84%extreme
July Weather24°C (75°F)47 mm (1.8 inches)85%extreme
August Weather22°C (71°F)31 mm (1.2 inches)85%very high
September Weather17°C (63°F)30 mm (1.2 inches)76%very high
October Weather7°C (44°F)40 mm (1.6 inches)71%high
November Weather2°C (36°F)19 mm (0.8 inches)73%moderate
December Weather-3°C (27°F)24 mm (0.9 inches)75%low

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