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April Weather in Mahwah, United States

Last updated: June 24, 2025

In Mahwah, United States, the average temperature in April hovers around 10°C (51°F). Temperature extremes can vary significantly, with a potential minimum of -3°C (27°F) and a maximum of 29°C (85°F). Expect 118 mm (4.7 in) of precipitation spread across approximately 12 days, coupled with an average humidity of 78%.

April Temperature in Mahwah

In April in Mahwah, the average temperature is 10°C (51°F), with maximums reaching up to 29°C (85°F) and minimums dropping as low as -3°C (27°F). This diverse range of temperatures means travelers should prepare for both warm and chilly conditions during their visit.

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

The chart illustrates April temperature patterns in Mahwah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mahwah, April typically has an average temperature of 10°C (51°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec323540506170767468584436
Data source: Temperature data for Mahwah 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 Mahwah

In Mahwah in April, the total precipitation amount is 118 mm (4.7 in) over the course of 12 days.

April Precipitation Trends in Mahwah

The chart displays monthly precipitation patterns in Mahwah, 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 Mahwah, April typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7099951181309914713111414188111
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Mahwah

In Mahwah in April, humidity is 78%. With an average temperature of 10°C (51°F), this humidity feels like a cool, damp mist enveloping you, making travel feel somewhat brisk and invigorating, yet slightly uncomfortable for prolonged outdoor activities.

April Average Humidity in Mahwah

This chart illustrates the average monthly humidity levels in Mahwah, 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 Mahwah is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Mahwah

In Mahwah 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 Mahwah.

Maximum UV Index Levels in Mahwah for April

The chart shows the monthly maximum UV Index (UVI) for Mahwah 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 Mahwah typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Mahwah 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 Mahwah Compares to Other Months

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

This table compares monthly weather conditions in Mahwah, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)70 mm (2.8 inches)84%moderate
February Weather2°C (35°F)99 mm (3.9 inches)82%moderate
March Weather4°C (40°F)95 mm (3.8 inches)81%high
April Weather10°C (51°F)118 mm (4.7 inches)78%very high
May Weather16°C (61°F)130 mm (5.1 inches)69%very high
June Weather21°C (70°F)99 mm (3.9 inches)69%very high
July Weather24°C (76°F)147 mm (5.8 inches)62%very high
August Weather23°C (74°F)131 mm (5.2 inches)65%very high
September Weather20°C (68°F)114 mm (4.5 inches)68%very high
October Weather14°C (58°F)141 mm (5.6 inches)74%high
November Weather6°C (44°F)88 mm (3.5 inches)82%moderate
December Weather2°C (36°F)111 mm (4.4 inches)80%low

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