December Weather in Jasper, United States

Last updated: February 24, 2025

In December, Jasper, United States experiences a unique blend of winter chill and occasional warmth. With maximum temperatures reaching 24°C (76°F) and a typically crisp average of 6°C (43°F), residents and visitors alike can enjoy a range of outdoor activities amidst the chilly backdrop. Nights can be particularly frosty, plunging to a minimum of -10°C (14°F). The month records about 86 mm (3.4 in) of precipitation spread across 8 days, resulting in a humid atmosphere at 87%. This interplay of temperatures and moisture not only shapes the scenic beauty of Jasper but also invigorates its winter charm.

December Temperature in Jasper

In December, Jasper, United States, begins to embrace the chill of winter, with temperatures ranging from a brisk -10°C (14°F) at night to a modest 24°C (76°F) during the day. The average temperature settles around 6°C (43°F), signaling the transition from the cooler late autumn months into the heart of winter. Compared to November's milder averages, December experiences a noticeable drop, yet it's still relatively mild compared to the frigid depths of January and February. This month often features a blend of cold and clear days, ideal for those who relish the snowy landscapes but aren't quite ready for the bitter cold that follows. Overall, December's temperatures in Jasper suggest a cozy, festive atmosphere, perfect for enjoying seasonal activities while bundled up warmly.

December Weather in Jasper: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Jasper, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374050566674777572594742
Data source: Temperature data for Jasper 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 Jasper

In December, Jasper experiences a moderate level of precipitation, with 86 mm (3.4 in) recorded over 8 days. This marks a slight increase from November's 79 mm but remains lower than the peak months of spring and early summer. Interestingly, December's precipitation days are consistent with the trend seen in the preceding months, where the number of wet days hovers between 8 to 10. The steady rainfall as the year closes hints at a gradual transition into winter, providing a refreshing end to the wetter months that peaked in May and April. The overall pattern suggests a climate that balances wetter periods with drier stretches, offering residents a varied but manageable winter experience in Jasper.

December Precipitation Trends in Jasper

The chart displays monthly precipitation patterns in Jasper, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8111213915819010695146711207986
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jasper

In December, Jasper, United States, experiences a notable spike in humidity, reaching 87%. This increase marks a significant shift as it follows a lower trend seen in the summer months, with August and September recording the year's lowest levels at 61% and 59% respectively. As the year progresses, humidity generally trends upwards, beginning with 77% in March and steadily climbing during the late fall months. By the time December rolls around, the relative humidity peaks, creating a cold, damp atmosphere that contrasts sharply with the drier conditions of summer. This seasonal shift underscores Jasper’s unique climate rhythm, where winter welcomes a surge in humidity just as nature prepares for a blanket of snow.

December Average Humidity in Jasper

This chart illustrates the average monthly humidity levels in Jasper, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jasper

As December settles in Jasper, the UV Index drops to a moderate level of 3, suggesting safer conditions for outdoor activities. This decline follows a peak during the summer months, where the index reached an extreme level of 11 in May, June, and July, demanding minimal burn times of just 10 minutes. The shift reflects a general trend of decreasing UV exposure as the year progresses, with December's burn time returning to 30 minutes, similar to January and November. This seasonal transition showcases how winter months provide a reprieve from intense sun exposure, making it an opportune time to enjoy the outdoors with proper precautions in mind. For more detailed insights, check out the Jasper UV Index.

Maximum UV Index Levels in Jasper for December

The chart shows the monthly maximum UV Index (UVI) for Jasper 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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
Data source: Jasper 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 Jasper

In Jasper, United States, December shines with 215 hours of sunlight, wrapping up a year characterized by a steady increase in daylight. As the shortest days give way to longer hours, December sees a slight dip from the height of summer, yet maintains a robust amount of sunshine compared to the earlier months. Beginning with 154 hours in January, the sunlight accumulates, peaking in July at 354 hours. Even as winter approaches, the transition from the vibrant 295 hours in May to December's glow reflects a resilient brightness that tempers the chill of the season. This trend highlights Jasper’s unique ability to hold onto its sunny spirit, making even the colder months feel a bit warmer.

Monthly Sunshine Duration in Jasper: December Highlighted

The December sunshine duration represents the total number of hours Jasper 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.
JanFebMarAprMayJunJulAugSepOctNovDec154h178h210h249h295h334h354h320h294h253h220h215h
Data source: Jasper December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jasper During December

As December rolls into Jasper, the likelihood of sunny weather stands at a modest 46%. This figure reflects a slight decline as the year transitions from the vibrant autumn months, where the chances for sunshine peak considerably. Notably, November, with its 60% chance of sun, marks the end of a late fall trend towards brighter days. In contrast, December enters into the winter months, where the odds of sunny skies are relatively cooler than the summer highs seen in July (57%) and August (53%). As Jasper embraces the heart of winter, residents and visitors alike can expect a balanced blend of sun and cloud cover, keeping the holiday spirit alive amidst the chilly backdrop.

Percentage of Sunny Days in December in Jasper

The chart illustrates the percentage of sunny days in Jasper 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 Jasper experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%35%49%50%26%44%57%53%66%53%60%46%
Data source: Jasper December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jasper in December

In Jasper, United States, December marks a shift in the rhythm of daylight, with only 9 hours of sunlight to brighten the days. As the year progresses, a noticeable trend emerges: the daylight hours gradually increase from January, where residents enjoy 10 hours, peaking in the summer months of June, July, and August at a generous 14 hours. However, as autumn gives way to winter, daylight hours decline once again, returning to 10 hours in November before reaching their annual low in December. This cyclical pattern highlights the contrasting seasons in Jasper, creating a unique ambiance that transitions from the long, bright days of summer to the cozy charm of winter's early nights.

Average Daylight Hours in Jasper for December

The chart illustrates the variation in daylight duration in Jasper throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h10h 52m11h 59m13h 7m14h 4m14h 33m14h 17m13h 26m12h 21m11h 13m10h 14m9h 44m
Data source: Jasper daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Jasper

As December rolls into Jasper, the average wind speed gently picks up to 3.8 m/s (8 mph), slightly surpassing the winds of the previous months. This increase reflects a subtle trend of heightened breezes entering winter, providing a refreshing contrast to the calmer summer months, where speeds dipped to a mere 2.1 m/s (5 mph) in July. While the year begins with moderate wind speeds hovering around 3.3 m/s (7 mph) in January and February, it gradually ascends, peaking at 3.4 m/s (8 mph) during the fall. The consistent yet brisk December winds not only signal the arrival of winter but also invigorate the serene landscapes, inviting residents and visitors alike to embrace the chilly charm of Jasper.

Average December Wind Speed in Jasper

The chart displays monthly wind speed patterns in Jasper, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.33.73.43.22.42.12.32.73.43.43.8 m/s
Data source: Jasper December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Jasper Compares to Other Months

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

December and January both experience cold temperatures, but January tends to be colder overall. In December, temperatures range from a minimum of -10°C (14°F) to a maximum of 24°C (76°F), with an average of 6°C (43°F). In contrast, January features even lower temperatures, with a minimum of -18°C (0°F) and a slightly lower average of 3°C (37°F), peaking at 20°C (69°F). Precipitation is somewhat similar, with December seeing 86 mm (3.4 in) and January slightly less at 81 mm (3.2 in), both occurring over 8 days. Additionally, December's humidity is a bit higher at 87%, compared to January's 82%. For more detailed information on January weather, you can check this link: Jasper weather in January.

December and February exhibit notable differences in weather patterns. In December, temperatures range from a minimum of -10°C (14°F) to a maximum of 24°C (76°F), with an average of 6°C (43°F). The month experiences around 86 mm (3.4 in) of precipitation over 8 days, accompanied by high humidity levels at 87%. In contrast, February presents colder conditions, with temperatures dipping lower, recording a minimum of -24°C (-10°F) and an average of 4°C (40°F), while peaking at 26°C (79°F). Precipitation increases to 112 mm (4.4 in) spread over 10 days, but humidity is somewhat lower at 79%. For more detailed insights into February weather, you can visit Jasper weather in February.

December and March present contrasting weather patterns, with December experiencing a milder average temperature of 6°C (43°F), while March sees a rise to an average of 10°C (50°F). Despite December’s warmer max temperature of 24°C (76°F), March can reach higher peaks, with a maximum of 29°C (85°F). Precipitation is more frequent in March, occurring over 13 days and totaling 139 mm (5.5 in), compared to December's 86 mm (3.4 in) over 8 days. Additionally, humidity is higher in December at 87%, while March has a relatively lower humidity of 77%. For a detailed look at the weather patterns, you can visit Jasper weather in March.

When comparing the weather in December and April, notable contrasts emerge. December experiences a more frigid climate with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 24°C (76°F), while April sees milder conditions with temperatures between -4°C (25°F) and 30°C (85°F). Precipitation also varies, with December receiving 86 mm (3.4 in) over 8 days, compared to April's 157 mm (6.2 in) over 12 days. Additionally, December's humidity is higher at 87%, while April's humidity is slightly lower at 78%. For those interested in exploring the weather specifics for April, you can find more details here: Jasper weather in April.

December and May present contrasting weather patterns. In December, temperatures can range from a frigid minimum of -10°C (14°F) to a maximum of 24°C (76°F), with an average of around 6°C (43°F). The month sees about 86 mm (3.4 in) of precipitation over 8 days, coupled with high humidity at 87%. In stark contrast, May experiences milder conditions, with temperatures varying from a minimum of 3°C (37°F) to a peak of 32°C (89°F), yielding an average of 19°C (66°F). With 190 mm (7.5 in) of precipitation over 15 days, the humidity, while lower at 82%, still contributes to the lushness of the season. For a more detailed look at May weather, you can visit Jasper weather in May.

In December, the weather is significantly cooler, with temperatures ranging from a chilly minimum of -10°C (14°F) to a maximum of 24°C (76°F), and an average of 6°C (43°F). The month sees about 86 mm (3.4 in) of precipitation over roughly 8 days, accompanied by high humidity at 87%. In contrast, June offers a much warmer climate, with temperatures starting at a minimum of 10°C (51°F) and peaking at 34°C (94°F), averaging around 23°C (74°F). Precipitation increases slightly to 106 mm (4.2 in), spread across 11 days, while humidity dips to 81%. This stark contrast highlights the seasonal shift from the cold, damp conditions of December to the warmer, rainier atmosphere of June. For more detailed information, you can check Jasper weather in June.

December and July present strikingly contrasting weather conditions. In December, temperatures range from a chilly -10°C (14°F) at their lowest to a mild max of 24°C (76°F), with an average of 6°C (43°F). The month is characterized by high humidity at 87% and precipitation totaling 86 mm (3.4 in) over approximately 8 days. On the other hand, July boasts a much warmer climate, with minimum temperatures of 14°C (57°F) and a peak of 35°C (95°F), resulting in an average of 25°C (77°F). July experiences slightly higher precipitation of 95 mm (3.8 in) across about 13 days, but the humidity is lower at 75%. For more specifics, you can explore Jasper weather in July.

December and August present a stark contrast in weather conditions. In December, temperatures can drop as low as -10°C (14°F), with an average of 6°C (43°F) and a maximum of 24°C (76°F). The month experiences considerable humidity at 87%, along with 86 mm (3.4 in) of precipitation spread over 8 days. In comparison, August boasts much warmer temperatures, with a minimum of 14°C (57°F), an average of 24°C (75°F), and a peak of 34°C (93°F). The humidity is significantly lower at 61%, but the month experiences more rainfall, totaling 146 mm (5.7 in) over 15 days. For a detailed look at weather specifics, you can refer to Jasper weather in August.

In comparing the weather between December and September, a notable contrast can be observed. December experiences significantly cooler temperatures, with a minimum of -10°C (14°F) and an average of 6°C (43°F), whereas September boasts much warmer conditions, starting from a minimum of 6°C (44°F) and reaching an average high of 22°C (72°F). Additionally, September tends to be drier, with 70 mm (2.8 in) of precipitation over about 7 days, compared to December's 86 mm (3.4 in) of precipitation over 8 days. The humidity levels also differ markedly, as December has a high humidity of 87%, while September is more comfortable at 59%. For more detailed information, you can refer to Jasper weather in September.

When comparing the weather in December and October, October generally offers milder temperatures, with average highs of 31°C (87°F) and lows around -4°C (25°F), while December's average maximum drops to 24°C (76°F) and its minimum can plunge to -10°C (14°F). Additionally, October experiences slightly higher precipitation, totaling 120 mm (4.7 in) over 9 days, compared to December's 86 mm (3.4 in) across 8 days. The humidity levels are also significantly different, with October exhibiting a more comfortable 69% compared to December's higher 87%. For more details on October weather in Jasper, you can check this link: Jasper weather in October.

In comparing the weather of December and November, we see some notable differences. December experiences a slightly lower minimum temperature of -10°C (14°F) compared to November's -11°C (13°F), while the average temperature in December is just a bit cooler at 6°C (43°F), against November's 8°C (47°F). Furthermore, December has a maximum temperature of 24°C (76°F), slightly lower than November's peak of 27°C (81°F). Both months receive similar amounts of precipitation, with December totaling 86 mm (3.4 in) and November at 79 mm (3.1 in), and both months see approximately 8 days of rain. Additionally, December has a higher humidity level at 87% compared to November's 82%. For more detailed information on November weather, you can check Jasper weather in November.

Compare Jasper's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Jasper

As December settles over Jasper, the weather transforms dramatically compared to other months. The chill of winter takes hold, bringing average temperatures that dip significantly, with brisk daytime highs contrasting with frosty lows. Humidity levels remain high, creating a cozy, albeit damp atmosphere typical of the season. With about eight days of precipitation, December introduces a mix of rain and snow that blankets the landscape, enchanting both locals and visitors alike. This combination of cold and moisture paints a striking picture, making December a unique and picturesque time in Jasper. For more details on how the weather shapes this charming town, visit Jasper Climate.