December Weather in Wisconsin Dells, United States

Last updated: February 24, 2025

December weather in Wisconsin Dells reveals a striking contrast, with maximum temperatures reaching 17°C (63°F) and dipping to minimums of -24°C (-10°F). The average temperature hovers around a chilly -3°C (28°F), making it a month of notable fluctuation. Precipitation totals 45 mm (1.8 in) across 6 days, accompanied by a humidity level of 81%, contributing to the crisp, wintry atmosphere that characterizes this scenic region. Embrace the allure of December as Wisconsin Dells transforms into a winter wonderland, perfect for festive adventures and serene landscapes.

December Temperature in Wisconsin Dells

In December, Wisconsin Dells experiences a biting chill, with temperatures often dipping to a minimum of -24°C (-10°F) and an average hovering around -3°C (28°F). The winter season firmly asserts its presence, making this month the beginning of a colder stretch that follows the milder late fall temperatures. Despite the bone-chilling lows, the mercury can occasionally rise to a maximum of 17°C (63°F), offering brief moments of respite from the winter freeze. Overall, December contrasts sharply with the balmy summer months where highs can reach into the low 30s Celsius, emphasizing the dramatic seasonal shift that characterizes this picturesque region.

December Weather in Wisconsin Dells: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Wisconsin Dells, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec202134455970747164503527
Data source: Temperature data for Wisconsin Dells 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.

December Precipitation in Wisconsin Dells

In December, Wisconsin Dells experiences a chill in the air, accompanied by a modest precipitation total of 45 mm (1.8 in) over just 6 days. This amount mirrors November's rainfall, suggesting a consistent pattern as the year winds down. The precipitation starts to taper off compared to the lush spring months, where May sees a peak at 126 mm (5.0 in). With the winter season setting in, the shorter days and cooler temperatures contribute to fewer rainy encounters, marking December as a serene close to the year. As the landscape transitions into winter, the relatively low precipitation aligns with the trend observed in late autumn, paving the way for the chilly, snow-laden months ahead.

December Precipitation Trends in Wisconsin Dells

The chart displays monthly precipitation patterns in Wisconsin Dells, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec4352589212611596110981024545
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Wisconsin Dells

In Wisconsin Dells, December marks a slight decline in humidity, settling at 81%—a curious contrast to the consistently high levels seen throughout the earlier months of the year. From the steady 85% in winter months like January through April, the region welcomes a modest dip as the seasons shift. While May and June showcase a more noticeable decrease, with humidity levels dropping to 78%, December’s proximity to the winter months hints at a return to the chilly, humid atmosphere typical of the season. This gentle fluctuation indicates that while the winter chill sets in, the moisture in the air still offers a charmingly crisp backdrop to the enchanting winter scenery of Wisconsin Dells.

December Average Humidity in Wisconsin Dells

This chart illustrates the average monthly humidity levels in Wisconsin Dells, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Wisconsin Dells

In December, Wisconsin Dells experiences a low UV Index of 2, translating to a burn time of 45 minutes under direct sunlight. This trend marks a return to more moderate UV levels following the very high indices seen from April through August. As the year draws to a close, residents and visitors can enjoy outdoor activities with minimal risk of sunburn, making it a great time for winter sports or scenic walks. However, with fluctuating UV levels throughout the year, from the low exposure in December to the peak in summer months, it’s essential to stay informed about sun safety. For more insights on UV exposure in Wisconsin Dells, check out Wisconsin Dells UV Index.

Maximum UV Index Levels in Wisconsin Dells for December

The chart shows the monthly maximum UV Index (UVI) for Wisconsin Dells in December, 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.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Wisconsin Dells December 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.

December Sunshine in Wisconsin Dells

In Wisconsin Dells, December brings a subtle transition as the days grow shorter, yet residents enjoy a respectable 172 hours of sunshine. While this is a dip from the sun-drenched heights of summer, it still reflects a promising brightness through the winter month. Notably, December's sunshine follows a clear trend: as the year progresses from the dark depths of January’s 127 hours to the summer peak in July's 357 hours, sunshine hours steadily climb through the spring months and reach their zenith in the vibrant summer. This annual cycle highlights Wisconsin Dells’ seasonal charm, with each month offering its unique blend of light, with December serving as a gentle reminder that even in the depths of winter, there is still warmth to be found in those precious sunny hours.

Monthly Sunshine Duration in Wisconsin Dells: December Highlighted

The December sunshine duration represents the total number of hours Wisconsin Dells experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec127h197h233h239h274h330h357h329h263h204h185h172h
Data source: Wisconsin Dells December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wisconsin Dells During December

In Wisconsin Dells, the likelihood of enjoying sunny weather takes a notable dip in December, with a modest 31% chance of sunshine. This figure is reflective of a general trend seen throughout the year, where the winter months often yield lower sun probabilities compared to the summer’s peak. For instance, while the height of summer boasts an impressive 57% chance in August, the preceding fall and subsequent winter months return to more overcast conditions, particularly notorious in November and December. The shift from a relatively bright fall season, with September reaching a 61% chance, sets the stage for the quieter, less luminous days of late year. Therefore, while December may not be the sunniest month, its unique winter charm offers a different kind of beauty to explore.

Percentage of Sunny Days in December in Wisconsin Dells

The chart illustrates the percentage of sunny days in Wisconsin Dells throughout the year, with December 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 Wisconsin Dells experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%37%45%34%35%53%51%57%61%38%39%31%
Data source: Wisconsin Dells December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wisconsin Dells in December

In Wisconsin Dells, the rhythm of daylight dances dramatically throughout the year. Starting with December, the days are notably short, offering only 8 hours of daylight, a stark contrast to the longer, sun-filled months that follow. As the seasons shift, January and February gradually reclaim an hour of light each, hinting at the approach of spring. By the time March arrives, the daylight extends to a refreshing 11 hours, peaking in the summer months of June and July with a generous 15 hours of sun. However, as autumn sets in, the trend reverses, leading to a decline back to 9 hours by November. This cyclical play of light not only highlights the changing seasons but also sets the stage for the stunning transformation of this picturesque destination.

Average Daylight Hours in Wisconsin Dells for December

The chart illustrates the variation in daylight duration in Wisconsin Dells throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 19m10h 29m11h 58m13h 28m14h 45m15h 23m15h 2m13h 53m12h 26m10h 56m9h 37m8h 57m
Data source: Wisconsin Dells daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Wisconsin Dells

As December sweeps into Wisconsin Dells, it brings a noticeable shift in the wind, with an average speed of 3.9 m/s (9 mph). This is a peak for the month, close to November's gusty 4.0 m/s (9 mph), suggesting a trend of increasing winds as winter sets in. Throughout the year, winds are generally calmer in the summer months of July and August, where they dip to a gentle 2.8 m/s (6 mph). However, as the seasons transition, wind speeds begin to pick up, particularly in late autumn and early winter. December’s breezy conditions can add a crisp and invigorating chill to the air, perfect for outdoor adventures in the winter landscape.

Average December Wind Speed in Wisconsin Dells

The chart displays monthly wind speed patterns in Wisconsin Dells, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.44.13.53.53.12.82.83.33.34.03.9 m/s
Data source: Wisconsin Dells December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Wisconsin Dells Compares to Other Months

The weather in Wisconsin Dells 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 Wisconsin Dells and find detailed weather information for every month.

December and January in Wisconsin Dells showcase notable differences in weather. December experiences a more moderate temperature range, with average highs reaching 17°C (63°F) and lows at -24°C (-10°F), while January plunges further into winter with temperatures dipping as low as -32°C (-26°F) and average highs only reaching 9°C (48°F). Precipitation levels are similar between the two months, with December totaling 45 mm (1.8 in) over 6 days and January slightly lower at 43 mm (1.7 in) over 7 days. Humidity sees a slight increase in January, averaging 85% compared to December's 81%. For a detailed look at the weather conditions, check out Wisconsin Dells weather in January.

In December, Wisconsin Dells experiences relatively milder temperatures, with an average of -3°C (28°F) and a maximum of 17°C (63°F). The month sees around 45 mm (1.8 in) of precipitation over about 6 days, accompanied by a humidity level of 81%. In contrast, February is colder, with an average temperature of -6°C (21°F) and a minimum reaching as low as -32°C (-26°F). Precipitation slightly increases to 52 mm (2.0 in), occurring on 8 days, and humidity rises to 85%. For a closer look at what to expect weather-wise, visit Wisconsin Dells weather in February.

In December, the weather features a stark and cold climate, with temperatures ranging from a minimum of -24°C (-10°F) to a maximum of 17°C (63°F), leading to an average of -3°C (28°F). Precipitation is relatively moderate, with 45 mm (1.8 in) over approximately 6 days, and the humidity sits at 81%. In contrast, March sees a slight warming trend; temperatures still reach a minimum of -24°C (-11°F) but climb to a higher average of 1°C (35°F) and a maximum of 19°C (66°F). Precipitation increases to 58 mm (2.3 in) across 8 days, with humidity rising to 85%. This transition in the weather highlights March as a time of gradual thawing compared to the deep chill of December. For more details, you can check Wisconsin Dells weather in March.

December and April in Wisconsin Dells present a striking contrast in weather patterns. In December, temperatures can plummet to a minimum of -24°C (-10°F), with an average of -3°C (28°F) and a maximum of 17°C (63°F). The month experiences around 45 mm (1.8 in) of precipitation over just 6 days, coupled with a humidity level of 81%. In contrast, April brings milder conditions, with minimum temperatures of -11°C (12°F) and an average of 7°C (45°F), peaking at 26°C (79°F). The precipitation increases significantly to 92 mm (3.6 in) over 12 days, and humidity rises slightly to 85%. For more detailed insights into what you can expect weather-wise, check out Wisconsin Dells weather in April.

December and May in Wisconsin Dells showcase stark contrasts in weather. December tends to be much colder, with temperatures ranging from a frigid -24°C (-10°F) to a maximum of 17°C (63°F), coupled with an average of -3°C (28°F). Precipitation is relatively light, averaging 45 mm (1.8 in) over about 6 days, creating a humid atmosphere at 81%. In contrast, May experiences a significant warm-up, with temperatures ranging from a low of -1°C (30°F) to highs reaching 34°C (93°F) and an average of 15°C (59°F). This month is wetter, with a total of 126 mm (5.0 in) of rainfall spread over 14 days and slightly lower humidity at 78%. The changes in temperature and moisture highlight the transition from winter chill to spring warmth. For more detailed insights, check out Wisconsin Dells weather in May.

December and June present stark contrasts in weather. In December, temperatures can plummet to a minimum of -24°C (-10°F), with an average near freezing at -3°C (28°F) and a maximum of 17°C (63°F). The month sees about 45 mm (1.8 inches) of precipitation over roughly six days, accompanied by high humidity levels at 81%. In contrast, June boasts much milder temperatures, with a minimum of 7°C (45°F) and an average of 21°C (70°F), reaching up to a hot 34°C (93°F) at times. Rainfall increases significantly to 115 mm (4.5 inches) spread over 11 days, while humidity slightly drops to 80%. For those curious about the specifics of summer weather, you can check out Wisconsin Dells weather in June.

December and July present strikingly different weather conditions. In December, temperatures can plunge to a chilling minimum of -24°C (-10°F), with average highs reaching only -3°C (28°F), making it one of the coldest months of the year. The humidity is relatively high at 81%, and precipitation occurs on about six days, totaling 45 mm (1.8 in). In contrast, July enjoys much warmer temperatures, with a minimum of 13°C (55°F) and an average high of 23°C (74°F), peaking at a sweltering 34°C (94°F). Although July has a slightly lower humidity at 78%, it also sees more rain, averaging 96 mm (3.8 in) over about ten days. For more detailed information about the specific weather patterns in July, check out Wisconsin Dells weather in July.

December and August present strikingly different weather conditions. In December, temperatures can plummet as low as -24°C (-10°F), with an average of -3°C (28°F) and a peak of 17°C (63°F). Precipitation is relatively low at 45 mm (1.8 in) over about 6 days, while humidity remains high at 81%. In contrast, August offers a much warmer climate, with minimum temperatures around 8°C (47°F), an average of 21°C (71°F), and maximums soaring up to 33°C (91°F). Rainfall increases significantly to 110 mm (4.3 in) over 11 days, and humidity is slightly lower at 76%. For more details on August weather, you can check Wisconsin Dells weather in August.

When comparing the weather in December and September, notable differences emerge. December is characterized by much colder temperatures, with a minimum of -24°C (-10°F) and an average of -3°C (28°F), while September enjoys a milder climate, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 33°C (92°F) and an average of 18°C (64°F). Precipitation is also more pronounced in September, with 98 mm (3.9 in) over 10 days, compared to December's 45 mm (1.8 in) across just 6 days. Despite the reduced rainfall, December has a higher humidity level of 81%, compared to September’s 79%, which adds a notable chill to the air. For more insights on September weather, check out Wisconsin Dells weather in September.

In Wisconsin Dells, the weather in December is markedly colder than in October, with average temperatures dropping from 10°C (50°F) in October to a chilly -3°C (28°F) in December. While October enjoys a higher maximum temperature of 29°C (85°F), December's temperatures can plummet as low as -24°C (-10°F). Precipitation is also more prevalent in October, with a total of 102 mm (4.0 in) over 12 days compared to December's 45 mm (1.8 in) over just 6 days. Humidity levels are relatively similar, at 83% in October and 81% in December, but the cold of December creates a very different atmosphere. For a detailed look at October's weather, check out Wisconsin Dells weather in October.

December weather in Wisconsin Dells brings colder temperatures compared to November, with minimums dropping to -24°C (-10°F) from November's milder low of -15°C (5°F). The average temperature in December stands at -3°C (28°F), significantly cooler than November’s average of 2°C (36°F). Interestingly, despite both months receiving the same amount of precipitation at 45 mm (1.8 in), December experiences slightly fewer rainy days, with just 6 compared to November's 7. Humidity also decreases slightly, with December sitting at 81% versus November's 88%. For more details on November's climate, you can check Wisconsin Dells weather in November.

Compare Wisconsin Dells's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Wisconsin Dells

December in Wisconsin Dells offers a stark contrast to the milder months, ushering in a chill that can dip to frigid lows while also teasing with occasional highs near 17°C (63°F). As snow and ice become prevalent, the average temperature settles around -3°C (28°F), enveloping the region in a wintry embrace. With around six days of precipitation adding to the 81% humidity, December is a month defined by its unique weather patterns, making it a true winter wonderland. For more insights on how these conditions fit into the broader climate context, check out Wisconsin Dells Climate.