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October Weather in Marietta, United States

Last updated: June 24, 2025

In October, the average temperature in Marietta, United States hovers around 15°C (59°F). Expect a range where the thermometer can dip as low as 0°C (32°F), while highs can reach up to 35°C (95°F). This month also brings about 116 mm (4.6 in) of precipitation, typically spread over 12 days, resulting in an average humidity of 81%. Prepare for a potentially wet and warm experience!

October Temperature in Marietta

In October in Marietta, the average temperature is 15°C (59°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 0°C (32°F). It's advisable to pack for a range of temperatures to fully enjoy your travels during this time.

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

The chart illustrates October temperature patterns in Marietta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marietta, October typically has an average temperature of 15°C (59°F), with highs reaching up to 35°C (95°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec333745546472767470594438
Data source: Temperature data for Marietta 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 Marietta

In Marietta in October, the precipitation amount is 116 mm (4.6 in) over a span of 12 days.

October Precipitation Trends in Marietta

The chart displays monthly precipitation patterns in Marietta, 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 Marietta, October typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9112111614614316412311010711686115
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Marietta

In Marietta in October humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

October Average Humidity in Marietta

This chart illustrates the average monthly humidity levels in Marietta, 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 Marietta is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Marietta

In Marietta in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Marietta, you can refer to this Hourly UV Index in Marietta.

Maximum UV Index Levels in Marietta for October

The chart shows the monthly maximum UV Index (UVI) for Marietta 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 Marietta typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Marietta 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 Marietta Compares to Other Months

Weather in Marietta varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Marietta, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Marietta, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)91 mm (3.6 inches)88%moderate
February Weather3°C (38°F)121 mm (4.8 inches)88%moderate
March Weather7°C (45°F)116 mm (4.6 inches)88%high
April Weather12°C (54°F)146 mm (5.7 inches)86%very high
May Weather18°C (65°F)143 mm (5.6 inches)82%very high
June Weather22°C (72°F)164 mm (6.5 inches)84%very high
July Weather25°C (76°F)122 mm (4.8 inches)82%very high
August Weather23°C (74°F)110 mm (4.3 inches)73%very high
September Weather21°C (70°F)107 mm (4.2 inches)73%very high
October Weather15°C (59°F)116 mm (4.6 inches)81%high
November Weather7°C (44°F)86 mm (3.4 inches)89%moderate
December Weather3°C (39°F)115 mm (4.5 inches)86%moderate

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