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April Weather in Northumberland, United States

Last updated: June 24, 2025

In April, the average temperature in Northumberland, United States hovers around 8°C (47°F), with the mercury dipping as low as -5°C (24°F) and rising up to a warm 28°C (82°F). Expect about 119 mm (4.7 in) of precipitation over 13 days, coupled with a high average humidity of 84%. Prepare for a month that balances chill with occasional warmth!

April Temperature in Northumberland

In April in Northumberland, the average temperature is 8°C (47°F), with maximums reaching up to 28°C (82°F) and minimums dipping as low as -5°C (24°F). It's advisable to pack layers for your trip, as the weather can vary significantly throughout the day.

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

The chart illustrates April temperature patterns in Northumberland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Northumberland, April typically has an average temperature of 8°C (47°F), with highs reaching up to 28°C (82°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec252734465967737164533830
Data source: Temperature data for Northumberland 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 Northumberland

In Northumberland in April, the precipitation amount is 119 mm (4.7 in) spread over 13 days.

April Precipitation Trends in Northumberland

The chart displays monthly precipitation patterns in Northumberland, 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 Northumberland, April typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7891721198583114847614110495
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Northumberland

In Northumberland in April, humidity is 84%. With an average temperature of 8°C (47°F), this humidity feels like a damp blanket wrapping around you, making travel feel heavy and a bit lethargic, as the air thickens with moisture and each step becomes a little more cumbersome.

April Average Humidity in Northumberland

This chart illustrates the average monthly humidity levels in Northumberland, 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 Northumberland is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Northumberland

In Northumberland in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Northumberland.

Maximum UV Index Levels in Northumberland for April

The chart shows the monthly maximum UV Index (UVI) for Northumberland 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 Northumberland typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997532
Data source: Northumberland 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 Northumberland Compares to Other Months

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

This table compares monthly weather conditions in Northumberland, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)78 mm (3.1 inches)89%moderate
February Weather-3°C (27°F)91 mm (3.6 inches)88%moderate
March Weather1°C (34°F)72 mm (2.9 inches)86%high
April Weather8°C (47°F)119 mm (4.7 inches)84%very high
May Weather15°C (59°F)85 mm (3.3 inches)76%very high
June Weather20°C (68°F)83 mm (3.3 inches)72%very high
July Weather23°C (73°F)114 mm (4.5 inches)66%very high
August Weather22°C (71°F)84 mm (3.3 inches)64%very high
September Weather18°C (64°F)76 mm (3.0 inches)72%high
October Weather11°C (53°F)141 mm (5.6 inches)81%moderate
November Weather3°C (38°F)104 mm (4.1 inches)87%moderate
December Weather-1°C (30°F)94 mm (3.7 inches)84%low

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