August Weather in Morristown, United States

Last updated: June 24, 2025

In Morristown, United States during the month of August, the average temperature hovers around 21°C (71°F). Expect minimums of 10°C (50°F) and maximums reaching 34°C (94°F). This month brings about 136 mm (5.3 in) of precipitation spread over 11 days, and with an average humidity of 81%, stay prepared for a humid experience!

August Temperature in Morristown

In August in Morristown, the average temperature is 21°C (71°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 10°C (50°F). This pleasant climate makes Morristown an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates August 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, August typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (94°F) and lows dropping to around 10°C (50°F).

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

August Precipitation in Morristown

In Morristown in August, the precipitation amount is 136 mm (5.3 in) spread over 11 days.

August Precipitation Trends in Morristown

The chart displays monthly precipitation patterns in Morristown, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Morristown, August typically receives around 136 mm (5.3 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Morristown

In Morristown in August, humidity is 81%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket that makes traveling feel both refreshing and slightly heavy, often leading to a sticky sensation that can quickly deplete your energy.

August Average Humidity in Morristown

This chart illustrates the average monthly humidity levels in Morristown, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Morristown is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Morristown

In Morristown in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Morristown.

Maximum UV Index Levels in Morristown for August

The chart shows the monthly maximum UV Index (UVI) for Morristown in August, 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 August, the maximum UV index in Morristown typically reaches 9, which falls under the very high exposure category.

Data source: Morristown August 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 August 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 August’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 August’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