October Weather in Hannibal, United States

Last updated: February 24, 2025

October in Hannibal, United States, showcases a diverse and dynamic climate experience. With maximum temperatures reaching a warm 32°C (91°F), the month transitions into cooler averages around 14°C (57°F), dipping to lows of -5°C (24°F). This time of year is characterized by a moderate precipitation total of 108 mm (4.2 in), spread over 10 days, creating a vibrant autumn atmosphere. Coupled with an average humidity level of 76%, residents and visitors alike can expect an exhilarating blend of crisp air and colorful foliage, perfect for outdoor activities and seasonal festivities.

October Temperature in Hannibal

October in Hannibal, United States, marks the transition into cooler temperatures, showcasing a noteworthy drop from the warmth of summer. With minimum temperatures averaging around -5°C (24°F) and maximums reaching up to 32°C (91°F), it presents a varied climate that hints at the approaching winter. The average temperature of 14°C (57°F) provides a comfortable backdrop for outdoor activities, but the crisp air is a clear reminder of the colder months ahead. As the leaves change and autumn settles in, residents can expect more chilly mornings and mild afternoons, embodying the essence of fall in the region. This month serves as a beautiful yet brisk indicator of seasonal change, bridging the warmth of September and the colder months to follow.

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

The chart illustrates October temperature patterns in Hannibal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec293244536675797571574236
Data source: Temperature data for Hannibal 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 Hannibal

In October, Hannibal experiences a notable increase in precipitation, receiving 108 mm (4.2 in) of rain over the course of 10 days. This marks a distinct rise compared to September's 85 mm (3.3 in), as well as a continuation of the wetter trend seen since the onset of spring. While October's rainfall is lower than May's peak of 160 mm (6.3 in), it maintains a steady presence as the region transitions into autumn. This month often serves as a crucial time for both local ecosystems and agricultural cycles, soaking the ground before the chill of winter sets in, and underscoring the importance of these autumnal downpours.

October Precipitation Trends in Hannibal

The chart displays monthly precipitation patterns in Hannibal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec65621251031601199299851086045
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Hannibal

October in Hannibal, United States, marks a subtle transition in humidity levels, with an average of 76%. This figure represents a noticeable drop from the summer months, where humidity peaked at 83% in June. As the year progresses, the trend shows a gradual decline in humidity from September's 76%, suggesting a shift toward the drier months ahead. This decrease signals the arrival of crisp autumn air, contrasting sharply with the more humid conditions of the early year, which averaged around 80%. As residents embrace the fall, October offers a refreshing reprieve, setting the stage for the cooler, more humid days of late autumn and winter.

October Average Humidity in Hannibal

This chart illustrates the average monthly humidity levels in Hannibal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Hannibal

As October unfolds in Hannibal, the UV Index dips to a moderate-high level of 6, allowing for 25 minutes of sun exposure before potential skin damage occurs. This trend marks a decrease from the intense high readings of the summer months, which reached a peak of 11 in both June and July. While the cooler days of autumn bring relief from the extreme sun, awareness is still essential as the UV Index remains high; it's important to stay protected during outdoor activities. With the gradual decline in UV intensity through the year, October serves as a reminder that the sun can still pose risks. For more detailed information on UV levels, check out the Hannibal UV Index.

Maximum UV Index Levels in Hannibal for October

The chart shows the monthly maximum UV Index (UVI) for Hannibal 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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Hannibal 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 Hannibal

As autumn descends upon Hannibal in October, the city still basks in a generous 230 hours of sunshine, a testament to the lingering warmth of late summer. This month marks a notable shift as sunshine hours begin to wane after a peak in July, reflecting a gradual transition into the cooler months. With October's sunshine surpassing half of the year's lesser lit months, like November and December, it's an inviting time for outdoor festivities against a backdrop of vibrant fall colors. The trend showcases a rich tapestry of sun-drenched days, reminding residents to relish the crisp air and golden light before winter's embrace.

Monthly Sunshine Duration in Hannibal: October Highlighted

The October sunshine duration represents the total number of hours Hannibal 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.
JanFebMarAprMayJunJulAugSepOctNovDec122h179h209h242h280h329h350h330h286h230h208h204h
Data source: Hannibal October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hannibal During October

In Hannibal, United States, the likelihood of sunny weather in October stands at 39%, a figure that places it slightly below the October average but still showcases the region's transition into chillier months. As the year progresses, there’s an observable trend of increasing sunshine, culminating in September's peak of 67%. This seasonal shift hints at the diminishing daylight hours and the encroaching cooler air, which often prompt more overcast conditions. While October may not boast the highest chances of sun, it still offers a brisk backdrop for autumn activities—a perfect blend of comfortable weather and vibrant foliage for those seeking to enjoy the outdoors.

Percentage of Sunny Days in October in Hannibal

The chart illustrates the percentage of sunny days in Hannibal 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 Hannibal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%33%43%48%27%46%46%51%67%39%50%47%
Data source: Hannibal October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hannibal in October

As autumn settles in Hannibal, October brings a shift in daylight duration, offering about 11 hours of daylight. This marks a gradual decline from the peak of summer, where residents enjoyed a generous 14 hours of sunshine. Following the vibrant days of May and June, the daylight hours begin to wane, reminiscent of the transition from the lush greenery of summer to the rich tapestry of fall colors. With shorter days on the horizon, the enchanting daylight of October invites a cozy atmosphere perfect for enjoying the crisp air and the beauty of the changing seasons, setting the stage for the upcoming winter months.

Average Daylight Hours in Hannibal for October

The chart illustrates the variation in daylight duration in Hannibal throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 42m10h 42m11h 58m13h 17m14h 23m14h 55m14h 37m13h 39m12h 23m11h 5m9h 57m9h 23m
Data source: Hannibal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Hannibal

As October unfolds in Hannibal, the wind comes alive once again, averaging 3.5 m/s (8 mph)—a familiar rhythm that echoes January's breezes. This month marks an increase from the summer lull, where winds dipped as low as 2.2 m/s (5 mph) in July. With the arrival of fall, the air becomes brisk, inviting residents and visitors alike to embrace the changing season. Interestingly, the wind speed remains consistent not only with the early winter months, but also shows a significant resurgence from the slumbering summer days, underlining a seasonal trend that breathes life into the vibrant autumn landscape. As the leaves turn, so does the wind’s character, enhancing the charm of Hannibal's October.

Average October Wind Speed in Hannibal

The chart displays monthly wind speed patterns in Hannibal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.64.13.73.42.82.22.63.23.5 m/s3.53.8
Data source: Hannibal October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Hannibal Compares to Other Months

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

In comparing the weather between October and January, it’s clear that they present stark contrasts. October boasts a much warmer average temperature of 14°C (57°F), with daytime highs reaching up to 32°C (91°F), while January experiences significantly colder conditions, with an average of -2°C (29°F) and lows plummeting to -26°C (-15°F). Precipitation levels in October are higher at 108 mm (4.2 in) over about 10 days, compared to January's 65 mm (2.5 in) across 7 days. Additionally, while October has an average humidity of 76%, January sees a slightly higher level at 82%. For a more detailed overview of January weather, you can check Hannibal weather in January.

When comparing the weather in October and February, there are notable contrasts in temperature and precipitation. October features a more temperate range, with minimum temperatures around -5°C (24°F) and maximums peaking at 32°C (91°F), resulting in an average of 14°C (57°F). In contrast, February brings much colder conditions, with minimums dropping to -26°C (-15°F) and an average temperature of 0°C (32°F). While October experiences 108 mm (4.2 in) of precipitation over 10 days, February sees less precipitation at 62 mm (2.4 in) across 9 days. Humidity levels in February are slightly higher at 80%, compared to 76% in October. For more specific details on February weather, check out Hannibal weather in February.

In October, temperatures begin to cool off, with a minimum of -5°C (24°F) and an average high of 32°C (91°F), resulting in a much warmer feel overall compared to March. While October has an average temperature of 14°C (57°F) and a lower precipitation rate of 108 mm (4.2 in) over 10 days, March experiences more chill, with minimums dropping to -17°C (2°F) and an average of only 7°C (45°F). Additionally, March sees slightly higher precipitation at 125 mm (4.9 in) over 11 days, accompanied by a humidity level of 80%. For more detailed insights into March weather in Hannibal, you can check Hannibal weather in March.

When comparing the weather in October and April, both months exhibit similar precipitation and humidity levels, but with distinct temperature profiles. October sees a wider temperature range, with a minimum of -5°C (24°F) and a maximum of 32°C (91°F), while April has a slightly colder minimum of -7°C (19°F) and a maximum of 29°C (85°F). The average temperature in October (14°C or 57°F) is marginally warmer than in April (12°C or 53°F). Additionally, both months experience around 10 days of precipitation; however, October's total precipitation is slightly higher at 108 mm (4.2 in) compared to April's 103 mm (4.0 in). For a closer look at April's specific weather patterns, you can explore Hannibal weather in April.

In October, temperatures range from a chilly minimum of -5°C (24°F) to a warm maximum of 32°C (91°F), averaging around 14°C (57°F). The month sees about 108 mm (4.2 in) of precipitation over 10 days, with a humidity level of 76%. In contrast, May is typically warmer, with temperatures starting at 3°C (38°F) and reaching up to 35°C (95°F), averaging 19°C (66°F). However, it has a higher precipitation level of 160 mm (6.3 in) spread across 15 days, along with slightly higher humidity at 82%. For a more detailed look at May weather, check out Hannibal weather in May.

October and June present quite different weather experiences, with June generally being warmer and more humid. In June, temperatures range from a minimum of 11°C (52°F) to a maximum of 35°C (96°F), with an average of 24°C (76°F), while October sees much cooler temperatures, ranging from a minimum of -5°C (24°F) to a maximum of 32°C (91°F), averaging 14°C (57°F). Both months receive similar precipitation, approximately 119 mm (4.7 in) in June and 108 mm (4.2 in) in October, with rainfall occurring over 10 days in each month. The humidity is slightly higher in June at 83% compared to October's 76%. For more details, you can check Hannibal weather in June.

When comparing the weather in October and July, significant differences emerge. October experiences a wider temperature range, with minimums dipping down to -5°C (24°F) and maximums reaching up to 32°C (91°F), resulting in an average temperature of 14°C (57°F). In contrast, July is much warmer, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 36°C (97°F), leading to an average of 26°C (79°F). In terms of precipitation, October sees slightly more rain, totaling 108 mm (4.2 in) over about 10 days, compared to July's 92 mm (3.6 in) over 9 days. Additionally, humidity levels are relatively high in both months, with October at 76% and July at 81%. For more details on July's weather specifics, you can check this link: Hannibal weather in July.

In comparing the weather of October and August, October tends to showcase a broader temperature range, with minimums dipping as low as -5°C (24°F) and maximums reaching up to 32°C (91°F). In contrast, August generally remains warmer, featuring minimum temperatures around 12°C (55°F) and maximums peaking at 35°C (96°F). Both months are similar in terms of precipitation, each experiencing about 100 mm, with rain occurring on approximately 10 days. Humidity levels are slightly higher in August at 80%, compared to 76% in October. For more detailed insights about August weather, you can refer to Hannibal weather in August.

In October, the weather experiences a notable shift compared to September, with the minimum temperature dropping to -5°C (24°F) and the average settling at 14°C (57°F). This contrasts with September, where temperatures remain milder, with a minimum of 7°C (45°F) and an average of 22°C (71°F). October also sees increased precipitation, totaling 108 mm (4.2 in) over about 10 days, compared to September's 85 mm (3.3 in) over 7 days. Despite both months having similar humidity levels at 76%, October brings a more pronounced coolness as summer transitions into fall. For a deeper look at September's weather, you can visit Hannibal weather in September.

October weather tends to be warmer and more variable, with temperatures ranging from a chilly -5°C (24°F) at night to a pleasant 32°C (91°F) during the day. The month experiences an average temperature of 14°C (57°F) and sees considerable precipitation, totaling 108 mm (4.2 in) over 10 days, along with a humidity level of 76%.

In contrast, November brings a noticeable drop in temperatures, with nighttime lows plunging to -14°C (6°F) and daytime highs capped at 24°C (75°F). The average temperature in November falls to 6°C (43°F), and the month is characterized by reduced precipitation of 60 mm (2.4 in) over 9 days, while humidity levels increase slightly to 85%. For more details on the specific climate in this month, you can check Hannibal weather in November.

October and December present markedly different weather experiences. In October, temperatures range from a chilly -5°C (24°F) at night to a warm 32°C (91°F) during the day, with an average of 14°C (57°F). The month sees considerable precipitation, totaling 108 mm (4.2 in) over about 10 days, coupled with a humidity level of 76%. In contrast, December's climate is significantly colder, with temperatures dropping to a minimum of -19°C (-2°F) and peaking at a milder 23°C (73°F), resulting in an average temperature of only 2°C (37°F). Precipitation is reduced to 45 mm (1.8 in) over 6 days, and the humidity increases slightly to 86%. For more details on December weather, visit Hannibal weather in December.

Compare Hannibal's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Hannibal

As October settles in Hannibal, the weather takes on a notable shift, offering a captivating blend of cooler temperatures and increased moisture. With maximum temperatures peaking at a balmy 32°C (91°F), the warmth of early fall often coexists with the crispness of approaching winter nights that can plummet to -5°C (24°F). The month sees substantial rainfall, averaging 108 mm (4.2 in) across about 10 days, creating a lush backdrop for the vibrant autumn foliage. Coupled with a humidity level of 76%, October in Hannibal can feel particularly brisk and refreshing. These distinct characteristics not only set it apart from the hotter summer months but also mark the transition into the cozy embrace of fall. For a deeper dive into the weather patterns throughout the year, explore Hannibal Climate.