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April Weather in Piscataway, United States

Last updated: June 24, 2025

In April, the average temperature in Piscataway, United States is a mild 11°C (53°F). However, be prepared for a temperature range that dips to a chilly -2°C (29°F) and can rise as high as 30°C (87°F). Expect about 110 mm (4.3 in) of precipitation spread over 12 days, with the average humidity sitting at a comfortable 78%.

April Temperature in Piscataway

In April in Piscataway, the average temperature is 11°C (53°F), with maximums reaching 30°C (87°F) and minimums dipping to as low as -2°C (29°F). This diverse range of temperatures makes it essential to pack accordingly for your travels.

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

The chart illustrates April temperature patterns in Piscataway, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piscataway, April typically has an average temperature of 11°C (53°F), with highs reaching up to 30°C (87°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec343743536372787670604638
Data source: Temperature data for Piscataway 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 Piscataway

In Piscataway in April, the precipitation amount is 110 mm (4.3 in) over a span of 12 days.

April Precipitation Trends in Piscataway

The chart displays monthly precipitation patterns in Piscataway, 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 Piscataway, April typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec651071071101291021401338913682106
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Piscataway

In Piscataway in April, humidity is 78%. With an average temperature of 11°C (53°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities somewhat uncomfortable as you navigate through the unpredictable weather.

April Average Humidity in Piscataway

This chart illustrates the average monthly humidity levels in Piscataway, 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 Piscataway 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 Piscataway

In Piscataway 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 Piscataway.

Maximum UV Index Levels in Piscataway for April

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

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

This table compares monthly weather conditions in Piscataway, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)65 mm (2.6 inches)84%moderate
February Weather3°C (37°F)107 mm (4.2 inches)82%moderate
March Weather6°C (43°F)107 mm (4.2 inches)81%high
April Weather11°C (53°F)110 mm (4.3 inches)78%very high
May Weather17°C (63°F)129 mm (5.1 inches)69%very high
June Weather22°C (72°F)102 mm (4.0 inches)69%very high
July Weather25°C (78°F)140 mm (5.5 inches)62%very high
August Weather24°C (76°F)133 mm (5.2 inches)65%very high
September Weather21°C (70°F)89 mm (3.5 inches)68%very high
October Weather16°C (60°F)136 mm (5.4 inches)74%high
November Weather8°C (46°F)82 mm (3.2 inches)82%moderate
December Weather3°C (38°F)106 mm (4.2 inches)80%low

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