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April Weather in Morristown, United States

Last updated: June 24, 2025

In April, the average temperature in Morristown, United States hovers around 14°C (58°F). During this time, you might experience a minimum of -2°C (28°F) and a maximum of 31°C (88°F). Expect approximately 130 mm (5.1 in) of precipitation spread over 11 days, all accompanied by an average humidity of 84%. Stay prepared for a mix of weather!

April Temperature in Morristown

In April in Morristown, the average temperature is 14°C (58°F). Maximum temperatures can reach 31°C (88°F), while the minimum can drop as low as -2°C (28°F). Be prepared for a wide range of temperatures to make the most of your trip.

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

The chart illustrates April temperature patterns in Morristown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Morristown, April typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (88°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec404551586874787673624843
Data source: Temperature data for Morristown 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 Morristown

In Morristown in April, the total precipitation amount is 130 mm (5.1 in) occurring over 11 days.

April Precipitation Trends in Morristown

The chart displays monthly precipitation patterns in Morristown, 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 Morristown, April typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec901541371301091061011048312376122
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Morristown

In Morristown in April humidity is 84%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket enveloping you, making every step feel sluggish and damp, which can be uncomfortable for traveling.

April Average Humidity in Morristown

This chart illustrates the average monthly humidity levels in Morristown, 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 Morristown is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Morristown

In Morristown 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 Morristown.

Maximum UV Index Levels in Morristown for April

The chart shows the monthly maximum UV Index (UVI) for Morristown 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 Morristown typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
Data source: Morristown 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 Morristown Compares to Other Months

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

This table compares monthly weather conditions in Morristown, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)89 mm (3.5 inches)88%moderate
February Weather7°C (45°F)154 mm (6.1 inches)88%high
March Weather10°C (51°F)137 mm (5.4 inches)87%very high
April Weather14°C (58°F)130 mm (5.1 inches)84%very high
May Weather20°C (68°F)109 mm (4.3 inches)84%extreme
June Weather23°C (74°F)106 mm (4.2 inches)83%extreme
July Weather26°C (78°F)101 mm (4.0 inches)79%extreme
August Weather25°C (77°F)104 mm (4.1 inches)66%very high
September Weather23°C (73°F)83 mm (3.3 inches)67%very high
October Weather17°C (62°F)123 mm (4.8 inches)76%high
November Weather9°C (48°F)76 mm (3.0 inches)89%moderate
December Weather6°C (44°F)122 mm (4.8 inches)88%moderate

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