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August Weather in Morristown, United States

Last updated: June 24, 2025

The average temperature in Morristown, United States during August hovers around 24°C (75°F). Temperatures can vary, with a minimum of 13°C (56°F) and peaking at a balmy 35°C (95°F). Expect about 136 mm (5.4 in) of precipitation spread over 14 days and an average humidity level of 65%.

August Temperature in Morristown

In August in Morristown, the average temperature is 24°C (75°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 13°C (56°F). This makes it an ideal time for travelers to enjoy a pleasant climate while exploring the area.

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 24°C (75°F), with highs reaching up to 35°C (95°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec333641516171777568594437
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.

August Precipitation in Morristown

In Morristown in August, the precipitation amount is 136 mm (5.4 in) over a span of 14 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 (5.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7010410311613510614213610114286113
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Morristown

In Morristown in August humidity is 65%. With average temperature 24°C (75°F), this humidity feels like a warm blanket enveloping you, making outdoor activities a bit sticky but still enjoyable for exploring sights and sounds.

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 65%, 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 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.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
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.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)70 mm (2.7 inches)84%moderate
February Weather2°C (36°F)104 mm (4.1 inches)82%moderate
March Weather5°C (41°F)103 mm (4.1 inches)81%high
April Weather11°C (52°F)116 mm (4.6 inches)78%very high
May Weather16°C (62°F)135 mm (5.3 inches)69%very high
June Weather21°C (71°F)106 mm (4.2 inches)69%very high
July Weather25°C (77°F)142 mm (5.6 inches)62%very high
August Weather24°C (75°F)136 mm (5.4 inches)65%very high
September Weather20°C (69°F)101 mm (4.0 inches)68%very high
October Weather15°C (59°F)142 mm (5.6 inches)74%high
November Weather7°C (44°F)86 mm (3.4 inches)82%moderate
December Weather3°C (37°F)113 mm (4.4 inches)80%low

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