October Weather in Marathon, United States

Last updated: February 24, 2025

In Marathon, United States, October presents a pleasant climate characterized by an average temperature of 27°C (81°F), with daytime highs reaching a maximum of 29°C (85°F). As the month unfolds, temperatures generally dip to a minimum of 19°C (67°F) during the cooler nights. However, October also brings a noticeable amount of precipitation, totaling 131 mm (5.2 in) over 18 days, contributing to a high humidity level of 79%. This combination of warmth and moisture makes October a unique time in Marathon, perfect for those looking to experience the vibrant nature and charm of the region, despite the frequent showers.

October Temperature in Marathon

October in Marathon, United States, marks a pleasant transition into the autumn season, characterized by mild temperatures that appeal to both locals and visitors. With minimums around 19°C (67°F) and average highs reaching 27°C (81°F), the weather remains comfortably warm, inviting outdoor activities and exploration. It's interesting to note that this month sees a slight cooling trend from the summer's heat, yet maintains a vibrant atmosphere typical of the region's tropical climate. As the month progresses, daytime highs peak at 29°C (85°F), providing a delightful balance that allows for sunny beach days while the evenings cool just enough to enjoy cozy gatherings. Overall, October is an ideal time to experience Marathon's natural beauty, underscored by its increasingly pleasant, yet still warm, temperatures.

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

The chart illustrates October temperature patterns in Marathon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec717474777982838382817773
Data source: Temperature data for Marathon generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Marathon

In October, Marathon experiences a significant level of precipitation, with 131 mm (5.2 in) falling over 18 days. This increase follows the dramatic surge in rainfall seen in September, which recorded the highest monthly total of the year at 200 mm (7.9 in). Notably, October's precipitation is substantial, especially compared to earlier months like January and March, which saw only 24 mm (1.0 in) and 22 mm (0.9 in), respectively. The trend demonstrates a clear escalation in rainfall as summer transitions into fall, with October reflecting a peak in wet weather activities that set the stage for the drier months ahead. This pattern underscores the region's variable climate, emphasizing the importance of being prepared for sustained rainfall during this time.

October Precipitation Trends in Marathon

The chart displays monthly precipitation patterns in Marathon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2428224414210590962001316944
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Marathon

As October rolls into Marathon, the air carries a slight uptick in humidity, reaching 79%. This marks a modest rise from the summer months, where humidity dipped to its lowest at 69% in June. Following a brief spike to 76% in September, October's moisture levels create a comforting atmosphere, hinting at the upcoming winter. Interestingly, the overall trend shows a gradual increase in humidity from the summer's lows, which peaks again during the winter months, showcasing the cycle of fluctuating humidity that characterizes this coastal paradise. It's a reminder that even as the year winds down, the air remains pleasantly humid, enriching the region's tropical feel.

October Average Humidity in Marathon

This chart illustrates the average monthly humidity levels in Marathon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%76%73%71%70%70%72%76%79%80%81%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Marathon

As October unfolds in Marathon, the UV Index remains noticeably high, registering at 10, which places it in the very high exposure category. This prompts a burn time of just 15 minutes, a slight reprieve compared to the peak months of summer but still a cue to exercise caution under the sun. Trend analysis reveals that while the fall month maintains a strong UV presence, it marks a decline from the extreme levels seen in July and August. As we transition deeper into the year, November will see a further drop to an 8, but those enjoying October's warm sun should remain vigilant. For more details on Marathon's UV conditions, you can visit Marathon UV Index.

Maximum UV Index Levels in Marathon for October

The chart shows the monthly maximum UV Index (UVI) for Marathon 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.
JanFebMarAprMayJunJulAugSepOctNovDec79101212131212121086
Data source: Marathon 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 Marathon

October in Marathon, United States, offers a delightful transition from the summer's peak sunshine to the gentler light of autumn. With 306 hours of sunshine, the month reflects a subtle decline from the sun-drenched heights of July, which boasts an impressive 348 hours. Interestingly, October’s sunshine is somewhat consistent, following the overall trend of slightly diminishing daylight as the year wanes. While still abundant compared to the earlier months, it signals a cooling off from summer’s intensity, promising lovely days for outdoor adventures before the chill of winter sets in. The decrease from September’s 318 hours indicates nature's gradual shift, making October a perfect time to enjoy Marathon's stunning landscapes under the warm embrace of the sun.

Monthly Sunshine Duration in Marathon: October Highlighted

The October sunshine duration represents the total number of hours Marathon 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.
JanFebMarAprMayJunJulAugSepOctNovDec233h286h333h341h333h320h348h338h318h306h286h292h
Data source: Marathon October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Marathon During October

In Marathon, the likelihood of sunny weather sees a notable fluctuation throughout the year. October, with a 51% chance of sun, presents a balanced window, contrasting significantly with the summer months when sunshine dips to around 28% in August and 31% in July. As we transition from the sunlit days of summer to the cooler fall months, October's sun chances rise from the lower percentages of September, where it lingers at 35%. Interestingly, this potential for sunny days aligns equally with November, maintaining a consistent trend as the year draws to a close. Thus, visitors in October can anticipate an enjoyable mix of sun and clouds, perfect for outdoor activities in this picturesque setting.

Percentage of Sunny Days in October in Marathon

The chart illustrates the percentage of sunny days in Marathon 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 Marathon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%68%67%61%59%18%31%28%35%51%51%71%
Data source: Marathon October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Marathon in October

As October settles in Marathon, United States, daylight begins to wane, offering about 11 hours of sunshine—a gentle descent from the longer summer days. Following the peak of 13 hours in June and July, this month's daylight duration reflects a gradual transition towards winter, echoing the patterns seen from September's 12 hours and foreshadowing November's return to 10 hours. The shift in light not only marks the changing season but also invites opportunities for cozy evenings and vibrant autumn activities, as the landscape transforms amidst the diminishing sunlight. Embracing this natural rhythm, residents and visitors alike can appreciate the beauty of fall with the softening glow of October's days.

Average Daylight Hours in Marathon for October

The chart illustrates the variation in daylight duration in Marathon throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 47m11h 19m12h 1m12h 44m13h 20m13h 37m13h 28m12h 56m12h 15m11h 32m10h 55m10h 37m
Data source: Marathon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Marathon

As October arrives in Marathon, United States, the average wind speed settles at a pleasant 5.3 m/s (12 mph), mirroring the breezy conditions of August. The transition from summer to fall brings a noticeable shift, with September experiencing the lowest winds of the year at 3.5 m/s (8 mph), hinting at a gentle calming before the season’s gusts return. This month’s winds are comfortably steady, complementing the vibrant autumn scenery that begins to unfold. Looking ahead to November, wind speeds are expected to increase slightly to 5.8 m/s (13 mph), suggesting that the cooling air carries with it the promise of invigorating breezes, perfect for autumn outings. It's a time when the October winds beautifully bridge the warmth of summer and the crispness of winter, inviting residents and visitors alike to enjoy the natural beauty of Marathon.

Average October Wind Speed in Marathon

The chart displays monthly wind speed patterns in Marathon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.26.16.65.95.85.64.45.33.55.3 m/s5.85.0
Data source: Marathon October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Marathon Compares to Other Months

The weather in Marathon 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 Marathon and find detailed weather information for every month.

In October, the weather tends to be warmer and more humid, with average temperatures around 27°C (81°F) and a maximum of 29°C (85°F). This month also experiences significant rainfall, with about 131 mm (5.2 in) of precipitation spread over 18 days. In contrast, January brings cooler temperatures, with a minimum of 11°C (52°F) and a more comfortable average of 22°C (71°F). Additionally, rainfall decreases dramatically, totaling only 24 mm (1.0 in) over just 4 days. Humidity remains relatively high at 81% during both months, but the overall climate is much drier in January. For more specific weather details, you can check out the Marathon weather in January.

When comparing the weather in October and February, one can observe notable differences in both temperature and precipitation. October typically showcases warmer temperatures, with a minimum of 19°C (67°F) and an average high of 29°C (85°F), while February's temperatures are slightly cooler, ranging from a minimum of 15°C (59°F) to a maximum of 26°C (80°F). Additionally, October experiences significantly higher precipitation, with 131 mm (5.2 in) over about 18 days, whereas February sees a much lighter 28 mm (1.1 in) across just 5 days. Both months share a consistent humidity level of 79%, making them relatively humid but offering a distinct contrast in overall weather patterns. For more detailed weather insights specific to February, you can check Marathon weather in February.

In comparing the weather between October and March, October tends to be warmer with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), while March offers cooler temperatures with averages between 15°C (60°F) and 26°C (80°F). Additionally, October is characterized by much heavier precipitation, receiving 131 mm (5.2 in) over 18 days, compared to March’s relatively dry conditions with only 22 mm (0.9 in) over about 3 days. Humidity levels are slightly higher in October at 79%, while March remains relatively comfortable at 76%. For more detailed insights, you can check Marathon weather in March.

In October, the weather is generally warmer with average temperatures reaching 27°C (81°F), peaking at 29°C (85°F), and only slightly cooler at a minimum of 19°C (67°F). This month also experiences higher humidity levels at 79% and significantly more rainfall, with a total of 131 mm (5.2 in) spread over 18 days. In contrast, April offers a slightly cooler climate, with average temperatures of 25°C (77°F) and similar maximum temperatures of 29°C (84°F). However, it sees much less precipitation, totaling only 44 mm (1.7 in) over 7 days, and a lower humidity level of 73%. For those interested in typical April weather conditions, more details can be found at Marathon weather in April.

In comparing the weather between October and May, we see some notable differences. October experiences slightly warmer daytime temperatures with an average of 27°C (81°F) and peaks at 29°C (85°F), while May's average temperature is a bit lower at 26°C (79°F), with a maximum of 29°C (84°F). Both months have a significant amount of precipitation, but October sees more rainy days—18 compared to May's 11, which could make May feel a bit drier and more comfortable. The humidity in October is higher at 79%, compared to May's 71%, adding to the muggy feel of the fall month. For more detailed weather information specific to May, check out Marathon weather in May.

In comparing the weather of October and June, we see notable differences in temperature and precipitation patterns. October experiences a lower minimum temperature of 19°C (67°F) compared to June's warmer minimum of 24°C (75°F). The average temperatures are also quite similar, with October averaging 27°C (81°F) and June slightly higher at 28°C (82°F). However, June boasts higher maximum temperatures, reaching 31°C (88°F) versus October’s 29°C (85°F).

Regarding precipitation, October receives more rainfall, with 131 mm (5.2 in) over 18 days, while June has slightly less at 105 mm (4.1 in) over 16 days. Additionally, October's humidity levels are higher at 79%, compared to June's 69%. This indicates that October tends to feel more humid, which may impact comfort levels. For those interested in specifics about June weather, you can find more details here: Marathon weather in June.

October and July present contrasting weather patterns in terms of temperature, precipitation, and humidity. In July, temperatures are generally higher, with a minimum of 25°C (78°F) and an average of 28°C (83°F), peaking at 31°C (87°F). In contrast, October experiences slightly cooler temperatures, ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), with an average of 27°C (81°F). Additionally, October has more rainfall, with 131 mm (5.2 in) of precipitation over 18 days, compared to July's 90 mm (3.6 in) over 16 days. The humidity is also higher in October at 79%, versus July's 70%. For those interested in details specific to July, you can check out Marathon weather in July.

In October, the weather tends to be slightly cooler compared to August, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F). In contrast, August experiences warmer temperatures, with averages from a minimum of 25°C (78°F) to a maximum of 31°C (87°F). While October sees more precipitation, totaling 131 mm (5.2 in) over 18 days, August has less rain, with 96 mm (3.8 in) across 16 days. Additionally, October has higher humidity at 79%, compared to August's 72%. For more details on weather conditions in August, you can visit Marathon weather in August.

In comparing the weather of October and September, October presents slightly cooler temperatures, with a minimum of 19°C (67°F) and an average of 27°C (81°F), compared to September’s higher minimum of 25°C (77°F) and average of 28°C (83°F). The maximum temperatures in October also register a bit lower, peaking at 29°C (85°F) versus September’s 30°C (86°F). While October experiences less precipitation overall, recording 131 mm (5.2 in) over 18 days, September has a higher rainfall of 200 mm (7.9 in), also over 18 days. Additionally, October's humidity is slightly elevated at 79% compared to September's 76%. For more detailed insights, you can visit Marathon weather in September.

October typically offers warmer temperatures compared to November, with averages reaching 27°C (81°F) and maximums hitting 29°C (85°F). In contrast, November sees a slight decline in temperature, with an average of 25°C (77°F) and a peak of 28°C (83°F). Both months experience high humidity, though October is slightly more humid at 79%, while November maintains a close 80%. Additionally, October is wetter, with 131 mm (5.2 in) of precipitation over 18 days, compared to November’s 69 mm (2.7 in) over just 11 days. For more detailed information on the weather in November, you can check out Marathon weather in November.

October and December present contrasting weather patterns. October boasts warmer temperatures, with averages around 27°C (81°F) and highs reaching 29°C (85°F), making it a warm month overall. However, it also experiences higher precipitation, with 131 mm (5.2 in) falling over 18 days, contributing to a humid atmosphere with an average humidity of 79%. In contrast, December brings cooler temperatures, averaging 23°C (74°F) and peaking at 26°C (80°F), while significantly reducing rainfall to just 44 mm (1.7 in) over 7 days. The humidity in December slightly increases to 81%, but the overall comfort level is often higher due to less rain. For more detailed insights, you can check Marathon weather in December.

Compare Marathon's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Marathon

As October rolls in, Marathon experiences a delightful shift in weather that sets it apart from the hotter summer months. With daily temperatures averaging around 27°C (81°F), the relative warmth is pleasantly tempered by increased humidity levels of 79%, creating a tropical atmosphere. October also marks a notable increase in precipitation, with 18 days of rain contributing to a total of 131 mm (5.2 in), which enriches the landscape and enhances the lush scenery. This combination of warmth and rain fosters a vibrant environment, inviting both locals and visitors to explore the stunning natural beauty of the Florida Keys. For a deeper insight into what to expect throughout the year, check out Marathon Climate.