Last updated: February 24, 2025
In December, Hannibal, United States, experiences a notable climate characterized by a maximum temperature reaching 23°C (73°F) and a chilly average of 2°C (37°F). The month can be quite brisk as temperatures dip to a minimum of -19°C (-2°F), making it essential to bundle up. Precipitation is moderate, with about 45 mm (1.8 in) falling over six days, contributing to the high humidity level of 86%. This combination of weather elements creates a unique winter atmosphere in Hannibal, perfect for enjoying the seasonal charm of the region.
In December, Hannibal, United States, experiences the onset of winter, with temperatures reflecting a notable chill in the air. The month marks a significant drop from the preceding autumn, featuring a minimum temperature plunging to -19°C (-2°F) and an average that hovers around 2°C (37°F). Despite the cold, daytime highs can reach a comfortable 23°C (73°F), providing brief respites from the winter chill. This temperature trend illustrates a gradual decline from the milder November, emphasizing the transition into the depth of winter, as residents brace for the colder months ahead. The combination of frosty mornings and crisp afternoons creates a unique charm, making December a pivotal month for Hannibal’s seasonal shift.
December in Hannibal, United States, marks the transition into winter with relatively low precipitation levels, averaging 45 mm (1.8 in) over just 6 days. This is a noticeable drop from the wetter months preceding it, particularly May, which sees the highest rainfall of 160 mm (6.3 in) across 15 days. The trend suggests that as the year comes to a close, both the amount and frequency of rainfall decline significantly, highlighting a shift towards colder, drier weather. This pattern is reflective of the general seasonal transition, with December often serving as a prelude to the drier conditions typical of the winter months ahead.
In Hannibal, United States, December brings a notable increase in humidity, rising to 86%, the highest level of the year. This uptick reflects a broader trend of elevated humidity during the winter months, with both November and December showcasing increased moisture in the air compared to earlier months. Notably, the transition from autumn to winter reveals a gradual rise, starting from a comfortable 76% in October to the December peak. Throughout the year, humidity levels generally hover around the 80% mark, but as temperatures fall, the air becomes richer with moisture, contributing to the region's characteristic chilly yet damp winter climate.
As December rolls into Hannibal, the UV Index dips to a moderate 3, mirroring the levels seen at the beginning of the year. This month, residents can expect a burn time of 30 minutes, offering a brief respite from the more extreme UV levels experienced in the summer months, where indices reached as high as 11. The trend throughout the year shows a clear transition from higher UV exposure in the warmer months—peaking in June and July—to a gradual decline as the colder months approach. While outdoor enthusiasts can take advantage of milder winter sun without immediate risk, it remains important to stay informed and protect your skin. For more detailed insights into UV levels throughout the year in Hannibal, visit Hannibal UV Index.
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As December arrives in Hannibal, the city enjoys a pleasant 204 hours of sunshine, setting a warm and inviting scene for the winter season. While the month begins to cool down, the sunlight remains abundant, following the trend of shorter days but still brimming with daylight. This reflects the transition from the vibrant summer months, where July shines the brightest with an impressive 350 hours. Notably, as the year progresses, a steady decline in sunlight hours occurs from that peak, yet December offers more sunlight than the initial months of the year, showcasing a gentle ebb rather than a harsh decline. As the community wraps up the year, this ample sunlight in December not only brightens the atmosphere but also invites outdoor activities and gatherings, inviting residents to bask in the fleeting warmth before winter truly sets in.
As December arrives in Hannibal, the community can expect a 47% chance of sunny weather, marking a slight dip from the balmy autumn months like September and November, which boast higher probabilities of sunshine. The trend over the year reveals a gradual increase in sunny days from the winter start in January, which offers just 32% sunshine, reaching a peak in August at 51%. December’s weather is characterized by a balance, hinting at relatively more sun than some of the earlier winter months, yet not quite matching the warmth of late spring. This blend of seasonal shifts reinforces the charm of Hannibal’s winter landscape, where the sun can make a welcome appearance even in the colder days.
In Hannibal, United States, the daylight duration follows a predictable rhythm throughout the year, showcasing the charming ebb and flow of seasons. Beginning with 9 hours in January, the daylight gradually increases, reaching a peak of 14 hours in the height of summer, specifically June through July. As summer gives way to fall, daylight begins to recede, tapering back down to 9 hours by December. This cyclical pattern highlights the contrast between the longer, sun-soaked days of late spring and summer and the shorter, cozy daylight hours of winter, creating a unique seasonal tapestry that defines life in Hannibal.
As December settles into Hannibal, the wind starts to pick up slightly, with an average speed of 3.8 m/s (8 mph), marking it as one of the brisker months of the year. This increase follows a trend where wind speeds generally rise in late fall, peaking in March at 4.1 m/s (9 mph). Interestingly, the typically calmer summer months of June through August showcase notable lows, particularly July, which sees an average of just 2.2 m/s (5 mph). However, as the seasons transition, the winds return to a steady pace in fall, culminating in December's refreshing breeze, inviting the spirit of winter and the warmth of the festive season. This cyclical pattern highlights the dynamic nature of Hannibal's weather, where each month brings its own unique character through the rhythm of the winds.
The weather in Hannibal changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December'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 December, temperatures in Hannibal range from a minimum of -19°C (-2°F) to a maximum of 23°C (73°F), averaging around 2°C (37°F) with an overall high humidity of 86%. The month sees light precipitation on approximately 6 days, totaling about 45 mm (1.8 in). In contrast, January experiences colder temperatures, with a minimum of -26°C (-15°F) and a maximum of 17°C (63°F), averaging -2°C (29°F). This month also brings slightly more precipitation, amounting to 65 mm (2.5 in) over 7 days, with humidity decreasing slightly to 82%. For more detailed information on January weather, you can refer to Hannibal weather in January.
December and February present distinct weather characteristics, with February generally being colder. In December, temperatures range from a minimum of -19°C (−2°F) to a maximum of 23°C (73°F), leading to an average of 2°C (37°F) and a precipitation total of 45 mm (1.8 in) over 6 rainy days, coupled with high humidity at 86%. In contrast, February experiences even lower temperatures, with a minimum of -26°C (-15°F) and an average of 0°C (32°F). While it slightly warms up to a maximum of 24°C (76°F), it sees increased precipitation of 62 mm (2.4 in) spread over 9 days, and a bit reduced humidity at 80%. For more detailed information, check out Hannibal weather in February.
In December, temperatures in Hannibal range from a minimum of -19°C (-2°F) to a maximum of 23°C (73°F), with an average of 2°C (37°F). The month sees about 45 mm (1.8 in) of precipitation spread over 6 days and maintains a high humidity level of 86%. In contrast, March experiences slightly milder temperatures, with a minimum of -17°C (2°F) and a maximum reaching 25°C (78°F), and an average of 7°C (45°F). However, March is notably wetter, receiving around 125 mm (4.9 in) of precipitation over 11 days, while humidity remains relatively lower at 80%. For more details, you can visit Hannibal weather in March.
December and April showcase contrasting weather patterns. December experiences colder temperatures, with a minimum of -19°C (-2°F) and an average of only 2°C (37°F). This month also has a higher humidity level at 86%, accompanied by some precipitation on about 6 days, totaling 45 mm (1.8 in). In sharp contrast, April warms up significantly, with a minimum of -7°C (19°F) and an average of 12°C (53°F), reaching a maximum of 29°C (85°F). This month sees increased rainfall of 103 mm (4.0 in) over 10 days, while humidity decreases slightly to 80%. For more details on the specific conditions in April, you can check Hannibal weather in April.
December and May present stark contrasts in weather conditions. In December, temperatures can plummet to a minimum of -19°C (-2°F) but average around a brisk 2°C (37°F), with a maximum of 23°C (73°F). Precipitation is relatively low, with around 45 mm (1.8 in) over approximately 6 days and high humidity levels of 86%. In contrast, May boasts much milder temperatures, starting at a minimum of 3°C (38°F) and averaging a pleasant 19°C (66°F), reaching highs of 35°C (95°F). However, it is significantly wetter, with precipitation totaling 160 mm (6.3 in) over 15 days, while humidity remains slightly lower at 82%. For a deeper look at the weather specifics for Hannibal in May, you can check Hannibal weather in May.
December and June present markedly contrasting weather conditions. December experiences a temperature range from a frigid -19°C (−2°F) to a mild maximum of 23°C (73°F), with an average of 2°C (37°F). In this winter month, precipitation is relatively low at 45 mm (1.8 in) over approximately 6 days, accompanied by high humidity levels at 86%. In stark contrast, June showcases a much warmer climate with temperatures ranging from a minimum of 11°C (52°F) to a scorching maximum of 35°C (96°F), averaging around 24°C (76°F). It also sees increased precipitation at 119 mm (4.7 in) over about 10 rainy days, with humidity slightly lower at 83%. For a closer look at June's weather in Hannibal, consider visiting Hannibal weather in June.
When comparing the weather in December and July, we see a striking contrast in temperature and conditions. December experiences much colder temperatures, with a minimum of -19°C (−2°F) and an average of 2°C (37°F), while July boasts a more temperate climate, with a minimum of 14°C (58°F) and an average of 26°C (79°F). Additionally, July tends to be wetter, with 92 mm (3.6 in) of precipitation over 9 days compared to December’s 45 mm (1.8 in) on 6 days. Humidity levels are also different, with December being slightly more humid at 86%, versus 81% in July. For those interested in the specifics of Hannibal's July weather, you can find more information here: Hannibal weather in July.
December and August present stark contrasts in weather patterns. December boasts a wide temperature range, with minimums plummeting to -19°C (-2°F) and maximums reaching a milder 23°C (73°F), while the average temperature sits around 2°C (37°F). Additionally, December experiences higher humidity at 86% and slightly less precipitation over 6 days, amounting to 45 mm (1.8 in).
In contrast, August offers warmer conditions, featuring a minimum of 12°C (55°F) and a maximum of 35°C (96°F), with an average temperature of 24°C (75°F). The month is also wetter, with 99 mm (3.9 in) of rainfall over 10 days and a lower humidity level of 80%. For more detailed insights on August weather, you can check out Hannibal weather in August.
When comparing the weather in December and September, the differences are quite striking. December experiences a much colder climate, with average temperatures around 2°C (37°F) and a minimum of -19°C (-2°F), while September boasts warmer temperatures averaging 22°C (71°F), with highs reaching up to 35°C (95°F). Precipitation is relatively lower in December at 45 mm (1.8 in) over 6 days, compared to September's 85 mm (3.3 in) spread over 7 days, indicating a wetter month. Additionally, humidity levels are higher in December at 86%, compared to 76% in September, contributing to the chilly atmosphere. For a more detailed look at the weather specifics, you can visit Hannibal weather in September.
In comparing the weather between December and October, December tends to be significantly colder with average temperatures around 2°C (37°F), a stark contrast to October's warmer average of 14°C (57°F). October experiences a wider temperature range, with daytime highs reaching up to 32°C (91°F), while December's maximum temperature is considerably lower at 23°C (73°F). In terms of precipitation, October is notably wetter, receiving 108 mm (4.2 in) over 10 days, compared to December's 45 mm (1.8 in) spread over just 6 days. Additionally, December exhibits higher humidity levels at 86%, in contrast to October's relatively lower 76%. For more detailed information, visit Hannibal weather in October.
In comparing the weather of December and November, we observe a notable drop in average temperatures, with December's average sitting at 2°C (37°F), compared to November's warmer average of 6°C (43°F). December experiences cooler minimum temperatures, reaching as low as -19°C (-2°F), while November's lows are milder at -14°C (6°F).
Precipitation is slightly lower in December, with 45 mm (1.8 in) over 6 days compared to November's 60 mm (2.4 in) over 9 days. Humidity remains relatively consistent between the two months, with December at 86% and November at 85%. Overall, December exhibits more extreme cold temperatures while November holds on to slightly milder conditions. For more detailed information, check out Hannibal weather in November.
As December rolls into Hannibal, the weather takes a distinctive turn, contrasting sharply with the milder months that precede it. Temperatures dip significantly, showcasing a chilly average that can plunge to frigid lows, while the occasional warmer day brings a surprising warmth. Precipitation becomes frequent, albeit moderate, with days of dampness becoming commonplace compared to the drier fall months. This heightened humidity adds an extra layer to the brisk December air, creating a unique atmosphere that signals the onset of winter. For a more comprehensive understanding of what to expect throughout the year, check out Hannibal Climate.