April Weather in Morristown, United States

Last updated: June 24, 2025

In April, the average temperature in Morristown, United States hovers around 6°C (44°F). While you might experience chilly lows of -15°C (6°F), the mercury can rise to a warm 28°C (83°F) on the best days. Expect about 89 mm (3.5 in) of precipitation spread over 10 days, contributing to an average humidity of 84%—perfect for those who enjoy a touch of moisture in the air!

April Temperature in Morristown

In April in Morristown, the average temperature is 6°C (44°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as -15°C (6°F). Be prepared for a wide range of temperatures when traveling during this month!

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 6°C (44°F), with highs reaching up to 28°C (83°F) and lows dropping to around -15°C (6°F).

Data source: Temperature data for Morristown generated using information from the Copernicus Climate Change Service.

April Precipitation in Morristown

In Morristown in April, the precipitation amount is 89 mm (3.5 in) over a period of 10 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 89 mm (3.5 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Morristown

In Morristown in April humidity is 84%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and necessitating layered clothing to stay warm and dry while exploring the area.

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.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (17°F)	35 mm (1.4 inches)	87%	moderate
February Weather	-9°C (17°F)	39 mm (1.5 inches)	90%	moderate
March Weather	1°C (33°F)	65 mm (2.6 inches)	85%	moderate
April Weather	6°C (44°F)	89 mm (3.5 inches)	84%	very high
May Weather	15°C (59°F)	136 mm (5.3 inches)	78%	very high
June Weather	22°C (72°F)	114 mm (4.5 inches)	80%	very high
July Weather	23°C (74°F)	112 mm (4.4 inches)	81%	very high
August Weather	21°C (71°F)	136 mm (5.3 inches)	81%	very high
September Weather	18°C (65°F)	139 mm (5.5 inches)	81%	very high
October Weather	9°C (49°F)	91 mm (3.6 inches)	84%	moderate
November Weather	1°C (34°F)	37 mm (1.5 inches)	88%	moderate
December Weather	-4°C (25°F)	46 mm (1.8 inches)	84%	low