October Weather in Atlanta, United States

Last updated: February 24, 2025

October in Atlanta showcases a dynamic weather spectrum, with temperatures ranging from a brisk 0°C (32°F) at night to a sweltering 37°C (98°F) during the day. The average temperature settles around a comfortable 19°C (66°F), making it a pleasant month for outdoor activities. However, expect some rain, as 123 mm (4.9 in) of precipitation falls over approximately 8 days, contributing to the region's notable 78% humidity. Overall, October offers a blend of warmth and refreshing autumn breezes, perfect for embracing the season.

October Temperature in Atlanta

In October, Atlanta experiences a remarkable shift in temperatures as it transitions into fall. Minimum temperatures can dip to around 0°C (32°F), but daytime warmth is often felt, with averages reaching 19°C (66°F). However, don’t be surprised by the occasional spike, as the maximum temperatures can soar to a sizzling 37°C (98°F), showcasing the city's lingering summer vibe. This month strikes a balance between cooler mornings and warm afternoons, reflecting the broader trend of fluctuating temperatures as the year winds down. As such, October in Atlanta offers a delightful mix of briskness and sunlight, making it an ideal time to enjoy outdoor activities amidst the changing foliage.

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

The chart illustrates October temperature patterns in Atlanta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec455156627176797875665248
Data source: Temperature data for Atlanta 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 Atlanta

In October, Atlanta experiences a moderate precipitation level, with about 123 mm (4.9 in) of rain recorded over an average of 8 days. This marks a slight uptick from the drier months of September and May, which both saw considerable decreases in rainfall (112 mm and 96 mm, respectively). The consistent rainfall during October reflects the transition into cooler autumn weather while remaining relatively balanced, as it falls within the average range when compared to the surrounding months. Interestingly, October's precipitation levels are noticeably higher than those in November (82 mm), suggesting that the city often wraps up the fall season with a final burst of rain before winter sets in. Overall, October serves as a bridge between the lushness of summer and the crispness of winter, making it an intriguing month for weather patterns in Atlanta.

October Precipitation Trends in Atlanta

The chart displays monthly precipitation patterns in Atlanta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1061451311249612111214311212482138
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Atlanta

October in Atlanta brings a refreshing dip in humidity, clocking in at 78%, making it one of the more comfortable months of the year. This represents a noticeable decrease from the consistently high levels seen during the summer—with July and August reaching 83% and 81%, respectively. As the air becomes crisper and the leaves begin to change, humidity levels gradually decline, hinting at the upcoming chill of winter. However, this month is merely a prelude, as November and December usher in a return to elevated humidity levels, peaking at 86% and 89%. Overall, October stands out as a breath of fresh air amid Atlanta’s humid climate, inviting residents and visitors alike to enjoy the milder weather.

October Average Humidity in Atlanta

This chart illustrates the average monthly humidity levels in Atlanta, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%81%81%81%83%81%82%78%86%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Atlanta

As October unfolds in Atlanta, the UV Index stands at 8, signaling a very high exposure category with a burn time of just 15 minutes. This month follows an intense summer where UV levels soared to 11 from May through July, gradually tapering yet remaining significantly elevated compared to the earlier months of the year. The shift from September's UV Index of 9 to October's 8 marks a decline, but the risk of sunburn remains substantial, reminding residents to stay sun-safe. As fall progresses, it's important to remain vigilant about UV exposure, particularly during midday hours. For a detailed look at current levels and predictions, visit Atlanta UV Index.

Maximum UV Index Levels in Atlanta for October

The chart shows the monthly maximum UV Index (UVI) for Atlanta 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.
JanFebMarAprMayJunJulAugSepOctNovDec47811111111109864
Data source: Atlanta 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.

October Sunshine in Atlanta

As October unfolds in Atlanta, it brings a delightful mix of sunshine, contributing 270 hours of light to the city. This marks a notable drop from the sun-soaked months of July and August—when the peak of summer gifts residents over 330 hours each—but October still shines brighter than several earlier months. As autumn settles in, daylight hours are gradually waning, yet the warm, golden afternoons create a picturesque backdrop for outdoor activities and festivals. The trend of increasing sunshine from winter’s 169 hours to the summer peak reflects Atlanta's vibrant seasonal variations, ultimately reminding us that even as the days grow shorter, there's still plenty of opportunity to bask in the radiant fall sun.

Monthly Sunshine Duration in Atlanta: October Highlighted

The October sunshine duration represents the total number of hours Atlanta experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec169h173h242h282h314h309h339h318h297h270h241h193h
Data source: Atlanta October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Atlanta During October

In October, Atlanta sees a 43% chance of sunny weather, marking a slight uptick from the previous months. This percentage reflects a trend of increasing sunshine opportunities as the year draws to a close, especially when compared to the 44% in September. Interestingly, October's sunny likelihood is higher than several summer months like July and June, suggesting that the city enjoys a more favorable climate as fall sets in. As we approach winter, the sunny days become even more prominent, with November jumping to 65%, promising a pleasant seasonal transition. Overall, October holds a decent prospect for enjoyable, sunny days, appealing for outdoor activities amidst the vibrant fall foliage.

Percentage of Sunny Days in October in Atlanta

The chart illustrates the percentage of sunny days in Atlanta throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Atlanta experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%39%34%53%37%35%32%38%44%43%65%38%
Data source: Atlanta October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Atlanta in October

As October unfolds in Atlanta, the city experiences a gentle decline in daylight hours, offering just 11 hours of sunlight each day. This marks a subtle transition from the longer summer days of 14 hours in June and July, reflecting the gradual shift towards winter. The trend showcases the beautiful ebb of daylight as the year progresses, with daylight dipping from 13 hours in August to 12 hours in September, before settling into October's milder glow. As the leaves change and fall festivities commence, the shortening days invite cozy evenings, reminding residents to embrace the beauty of the season in this vibrant city.

Average Daylight Hours in Atlanta for October

The chart illustrates the variation in daylight duration in Atlanta throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 10m10h 58m11h 59m13h 2m13h 55m14h 21m14h 7m13h 20m12h 20m11h 17m10h 23m9h 55m
Data source: Atlanta daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Atlanta

As October rolls into Atlanta, the winds begin to shift, with an average speed of 2.7 m/s (6 mph) marking a gentle transition from the sweltering summer months. This slight uptick from the lower speeds seen in the heart of summer—where July and August averaged only 2.0 m/s (4 mph) and 2.1 m/s (5 mph)—indicates a refreshing change in the air. The winds gather strength as the city prepares for the cooler months ahead, yet they remain mild compared to the brisk breezes of winter, which pick up again in November. Overall, October offers a pleasant balance—just enough movement to stir the vibrant autumn leaves without overwhelming the senses, creating an inviting atmosphere for outdoor activities.

Average October Wind Speed in Atlanta

The chart displays monthly wind speed patterns in Atlanta, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.63.53.13.12.62.02.12.32.7 m/s3.13.2
Data source: Atlanta October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Atlanta Compares to Other Months

The weather in Atlanta changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Atlanta and find detailed weather information for every month.

October and January present contrasting weather patterns. In October, the temperatures range from a chilly 0°C (32°F) at night to a warm 37°C (98°F) during the day, with an average of 19°C (66°F). This month also sees 123 mm (4.9 in) of precipitation over about 8 days, along with a humidity level of 78%. In stark contrast, January typically experiences much colder temperatures, with a minimum of -11°C (12°F) and a maximum of 25°C (77°F), averaging around 7°C (46°F). Although January has slightly less precipitation at 106 mm (4.2 in) over 9 days, it comes with higher humidity at 86%. For more insights into the weather during this time, you can visit Atlanta weather in January.

October and February present distinct weather patterns, showcasing the transition between seasons. In October, temperatures range from a minimum of 0°C (32°F) to a maximum of 37°C (98°F), with an average of 19°C (66°F). The month features an average of 123 mm (4.9 in) of precipitation over 8 days and carries a humidity level of 78%. In contrast, February experiences cooler conditions, with temperatures dipping to a minimum of -5°C (22°F) and peaking at 26°C (80°F), averaging around 11°C (51°F). February also sees slightly higher precipitation at 145 mm (5.7 in) across 13 days and a humidity of 84%. For more details on February weather, you can check Atlanta weather in February.

October and March present contrasting weather patterns. October experiences a broader temperature range, with minimums around 0°C (32°F) and maximums reaching 37°C (98°F), resulting in a warm average temperature of 19°C (66°F). This month receives about 123 mm (4.9 in) of precipitation over approximately 8 days, paired with humidity levels around 78%. In contrast, March has cooler temperatures, ranging from a minimum of -5°C (23°F) to a maximum of 29°C (85°F), with an average of 13°C (56°F). It sees slightly more precipitation at 130 mm (5.1 in) over about 13 days, and higher humidity at 83%. For more detailed information, you can visit Atlanta weather in March.

Comparing October and April weather reveals some intriguing similarities and differences. In October, temperatures range from a minimum of 0°C (32°F) to a maximum of 37°C (98°F), with an average of 19°C (66°F). The month experiences about 123 mm (4.9 in) of precipitation over approximately 8 days, with humidity at 78%. In contrast, April features slightly cooler temperatures, ranging from a minimum of 0°C (31°F) to a maximum of 29°C (85°F), averaging 17°C (62°F). Precipitation in April is nearly identical at 124 mm (4.9 in), occurring over about 9 days, and humidity rises slightly to 81%. For more detailed information, check out Atlanta weather in April.

When comparing October and May weather, October is characterized by a wider temperature range, with temperatures ranging from a chilly 0°C (32°F) to a scorching 37°C (98°F), and an average temperature of 19°C (66°F). In contrast, May tends to be milder, with minimum temperatures of 4°C (40°F) and maximum temperatures reaching 35°C (95°F), averaging around 22°C (71°F). Precipitation is slightly higher in October, with 123 mm (4.9 in) over about 8 rainy days, while May sees about 96 mm (3.8 in) of rain over 10 days. Additionally, humidity levels are quite similar, with October at 78% and May slightly higher at 81%. For more information on May weather, refer to Atlanta weather in May.

October and June present contrasting weather patterns. In October, temperatures range from a chilly 0°C (32°F) at night to a warm 37°C (98°F) during the day, with an average of 19°C (66°F). While it receives 123 mm (4.9 in) of precipitation over about 8 days, the humidity is moderately high at 78%. In contrast, June boasts more stable warmth, with night temperatures starting at 12°C (54°F) and peaking at a maximum of 33°C (92°F), averaging around 25°C (76°F). Rainfall is slightly less, at 121 mm (4.8 in), but it occurs over a longer period of 16 days, resulting in a higher humidity level of 81%. For more insights on June weather, check Atlanta weather in June.

When comparing the weather between October and July, we see notable differences in temperatures and precipitation patterns. October experiences a broader temperature range, with minimums dropping to 0°C (32°F) and maximums reaching up to 37°C (98°F), resulting in an average of 19°C (66°F). In contrast, July maintains a milder temperature profile, with a minimum of 16°C (61°F) and a maximum of 35°C (95°F), averaging 26°C (80°F). Additionally, while October tends to have about 123 mm (4.9 in) of rainfall over approximately 8 days, July brings slightly less precipitation at 112 mm (4.4 in) yet spans a longer duration of rain over 18 days. The humidity levels are also similar, with October at 78% and July slightly higher at 83%. For more detailed insights, check out Atlanta weather in July.

In comparing the weather between October and August, October presents a broader range of temperatures, with a minimum as low as 0°C (32°F) and a maximum reaching up to 37°C (98°F). In contrast, August experiences milder temperatures, with minimums at 16°C (61°F) and maximums capped at 35°C (96°F). October also sees a marked decrease in average temperature, dropping from August's average of 26°C (79°F) to 19°C (66°F). While October has slightly less precipitation, totaling 123 mm (4.9 in) over about 8 days, August is wetter, with 142 mm (5.6 in) spread across 15 days. Additionally, humidity levels remain relatively high in both months, with October averaging 78% and August at 81%. For more detailed insights into August weather, you can visit Atlanta weather in August.

In comparison to September, October brings a noticeable drop in minimum temperatures, with lows plunging to around 0°C (32°F) compared to September's milder 10°C (50°F). The average temperature in October is also lower at 19°C (66°F) versus September's warmer average of 24°C (75°F). While the maximum temperatures remain relatively close, peaking at 37°C (98°F) in October and 36°C (97°F) in September, October experiences slightly more precipitation, totaling 123 mm (4.9 in) over 8 days compared to September's 112 mm (4.4 in) within the same number of days. Moreover, humidity levels are marginally lower in October at 78%, while September sees a humidity level of 82%. For more specific insights into September weather, you can check out Atlanta weather in September.

October and November exhibit notable differences in weather patterns. In October, temperatures vary more dramatically, ranging from a chilly 0°C (32°F) at night to a warm 37°C (98°F) during the day, with an average of 19°C (66°F). The month experiences considerable precipitation, totaling 123 mm (4.9 in) over 8 days, coupled with a humidity level of 78%.

In contrast, November sees a drop in temperatures, with nighttime lows reaching -6°C (22°F) and daytime highs peaking at 26°C (79°F), averaging around 11°C (52°F). Although precipitation decreases to 82 mm (3.2 in) across the same number of days, humidity is marginally higher at 86%. For more detailed insights, you can check Atlanta weather in November.

October and December present contrasting weather patterns. In October, temperatures can range from a chilly 0°C (32°F) at night to a warm 37°C (98°F) during the day, with an average of 19°C (66°F). The month experiences around 123 mm (4.9 in) of precipitation over approximately 8 days and has a humidity level of 78%. In contrast, December sees lower temperatures with a minimum of -6°C (22°F) and a maximum of 24°C (75°F), averaging around 9°C (48°F). This month receives slightly more precipitation at 138 mm (5.4 in) across about 11 days, accompanied by higher humidity levels at 89%. For more detailed insights into December weather specifically, check out Atlanta weather in December.

Compare Atlanta's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Atlanta

As October sets in, Atlanta experiences a delightful shift in weather that distinguishes it from the hotter summer months. With temperatures averaging a pleasant 19°C (66°F), the city's heat recedes, creating a comfortable environment perfect for outdoor activities. While the humidity remains relatively high at 78%, it turns more tolerable compared to the sweltering summer days. October also brings a moderate increase in precipitation, averaging 123 mm over roughly 8 days, which nurtures the vibrant fall foliage. This time of year makes exploring Atlanta's parks and festivals particularly enjoyable, providing a refreshing contrast to the earlier heat. For a deeper understanding of what to expect throughout the year, check out Atlanta Climate.