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October Weather in Morristown, United States

Last updated: June 24, 2025

In October, the average temperature in Morristown, United States hovers around 8°C (47°F). Be prepared for a mix of conditions, as temperatures can dip to a chilly -6°C (21°F) or rise to a pleasant 24°C (76°F). With an average humidity of 86%, the air can feel quite damp. Expect 152 mm (6.0 in) of precipitation spread over about 15 days, so don't forget your umbrella!

October Temperature in Morristown

In October in Morristown, the average temperature is 8°C (47°F), with maximums reaching up to 24°C (76°F) and minimums dropping as low as -6°C (21°F). This makes it essential for travelers to pack for both mild and chilly conditions to fully enjoy their visit.

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

The chart illustrates October 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, October typically has an average temperature of 8°C (47°F), with highs reaching up to 24°C (76°F) and lows dropping to around -6°C (21°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.

October Precipitation in Morristown

In Morristown in October, the precipitation amount is 152 mm (6.0 in) over the course of 15 days.

October Precipitation Trends in Morristown

The chart displays monthly precipitation patterns in Morristown, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Morristown, October typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec8784801171031141381017615211288
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Morristown

In Morristown in October, humidity is 86%. With an average temperature of 8°C (47°F), this humidity feels like a chilling damp that penetrates your clothes, making outdoor adventures less enjoyable and encouraging you to seek warmth indoors rather than explore the sights.

October Average Humidity in Morristown

This chart illustrates the average monthly humidity levels in Morristown, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Morristown is approximately 86%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Morristown

In Morristown in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Morristown.

Maximum UV Index Levels in Morristown for October

The chart shows the monthly maximum UV Index (UVI) for Morristown in October, 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 October, the maximum UV index in Morristown typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Morristown October 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 October 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 October’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 October’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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