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April Weather in Morristown, United States

Last updated: June 24, 2025

In April, the average temperature in Morristown, United States is a brisk 5°C (41°F). This month experiences a wide temperature range, with minimums dipping to an icy -12°C (10°F) and maximums peaking at a pleasant 24°C (76°F). Expect a significant amount of precipitation, totaling 117 mm (4.6 in) over approximately 14 days, with the atmosphere feeling quite humid at an average of 85%. Stay prepared for the elements!

April Temperature in Morristown

In April in Morristown, the average temperature is 5°C (41°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as -12°C (10°F). Be prepared for a wide range of weather conditions when traveling during this time.

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 5°C (41°F), with highs reaching up to 24°C (76°F) and lows dropping to around -12°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec172028415463686659473222
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 precipitation amount is 117 mm (4.6 in) spread over 14 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 117 mm (4.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec8784801171031141381017615211288
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 85%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a challenge as the cold air clings to your skin.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
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 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 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
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 Weather-8°C (17°F)87 mm (3.4 inches)93%low
February Weather-7°C (20°F)84 mm (3.3 inches)92%moderate
March Weather-2°C (28°F)80 mm (3.2 inches)86%moderate
April Weather5°C (41°F)117 mm (4.6 inches)85%very high
May Weather12°C (54°F)103 mm (4.0 inches)80%very high
June Weather17°C (63°F)114 mm (4.5 inches)74%very high
July Weather20°C (68°F)138 mm (5.4 inches)76%very high
August Weather19°C (66°F)101 mm (4.0 inches)75%very high
September Weather15°C (59°F)76 mm (3.0 inches)78%high
October Weather8°C (47°F)152 mm (6.0 inches)86%moderate
November Weather0°C (32°F)112 mm (4.4 inches)88%moderate
December Weather-5°C (23°F)88 mm (3.5 inches)89%low

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