December Weather in Jasper, United States

Last updated: February 24, 2025

December in Jasper, United States, offers a charming winter landscape characterized by a wide range of temperatures, from a maximum of 22°C (72°F) to a brisk minimum of -8°C (18°F). The average temperature settles around 8°C (46°F), making it a cool month that invites cozy indoor activities. With 155 mm (6.1 in) of precipitation spread over 12 days, residents and visitors alike can expect a mix of different weather conditions, including occasional snowfall. High humidity levels at 88% contribute to a crisp atmosphere, perfect for enjoying the festive season while wrapped in warm attire.

December Temperature in Jasper

In December, Jasper experiences a noticeable drop in temperatures as it fully embraces winter. The minimum temperature hovers around -8°C (18°F), indicating the chill of the season, while the average temperature reaches a cool 8°C (46°F). Maximum temperatures seldom exceed 22°C (72°F), providing a stark contrast to the warmer months before. As the year winds down, residents and visitors alike can expect crisp, frosty days, perfect for cozying up indoors or enjoying the beauty of the winter landscape. This month serves as a precursor to the coldest January temperatures, highlighting a gradual shift from the slightly milder autumn conditions of November.

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.
JanFebMarAprMayJunJulAugSepOctNovDec434854606974777673645046
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 noteworthy increase in precipitation, with an average of 155 mm (6.1 in) spread over 12 days. This marks a shift from the more moderate rainfall of November, which saw only 95 mm (3.7 in) across 9 days. The trend indicates a transition into the winter months, where moisture levels typically rise, preparing the region for the colder season. Compared to other months, December's precipitation is notably higher than the preceding month and aligns closely with the wetter summer months, suggesting dynamic weather patterns at play. Overall, the year's end in Jasper brings a blend of atmospheric activity that keeps the landscape vibrant and full of life.

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.
JanFebMarAprMayJunJulAugSepOctNovDec12919816514712213512214711114495155
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jasper

In Jasper, United States, December brings a notable consistency in humidity levels, maintaining the trend established throughout the year. With an 88% humidity, it ties with November as the peak of moisture for the region. This higher humidity persists from the earlier months, where January through March also hover at 86%, illustrating a pattern of elevated moisture during the winter. As the year progresses into the milder months, a gradual decline can be observed, dipping to 76% in August and September before a slight rebound in October. Overall, December's humidity underscores a wintery essence, reinforcing the climate's tendency towards dampness during the closing months of the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jasper

In December, Jasper experiences a moderate UV Index of 4, which signifies a welcome shift from the extreme levels observed during the summer months. With a burn time of 30 minutes, residents and visitors can enjoy outdoor activities with less concern for sunburn compared to earlier months like May through July, where the UV Index peaked at 11. As the year closes, the trend reflects a notable decrease in UV radiation, promoting a safer environment for winter explorations. This seasonal change is a reminder to stay mindful of sun exposure even in colder months. For more information on the UV Index in this region, visit 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.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
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

December brings a gentle transition in Jasper, United States, with 186 hours of sunshine, a noticeable drop from the sun-drenched peak of 336 hours in July. As the year winds down, the sunlight hours reflect a gradual decline that begins in August and continues through the fall months. Interestingly, despite the lesser light, December still enjoys moderate sunshine compared to the colder months, emphasizing a seasonal rhythm. Looking ahead, the promise of returning longer days in the new year looms just around the corner, with March poised to welcome an impressive 233 hours of radiance. For those who cherish bright moments, December serves as a reminder of nature's cycles, blending the beauty of twilight with the anticipation of brighter days.

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.
JanFebMarAprMayJunJulAugSepOctNovDec163h163h233h272h306h311h336h312h293h263h237h186h
Data source: Jasper December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jasper During December

In December, the likelihood of sunny weather in Jasper, United States, stands at 36%, which marks a slight dip compared to the previous month’s 61%. As the year draws to a close, December's chances for clear skies fall below several earlier months, including April and September, which both showcase brighter prospects. The trend throughout the year reveals a general fluctuation in sunshine likelihood with January and March being relatively less sunny at 38% and 35%, respectively. While December may not shine as brightly as some months, the crisp winter landscapes offer their own charm, making for a picturesque, if not always sunny, season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec38%40%35%54%32%36%34%33%47%38%61%36%
Data source: Jasper December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jasper in December

As December arrives in Jasper, United States, daylight hours dip to 9 hours, marking the shortest days of the year. This decline follows a consistent pattern, with the year beginning at 10 hours in January and February, gradually lengthening to a maximum of 14 hours in June and July during the summer months. The transition from summer to winter is characterized by a steady decrease, peaking in June before the days begin to wane again. By the time December rolls around, the daylight hours have contracted significantly, creating a cozy atmosphere as residents embrace the charm of the season and prepare for the return of longer days in the coming months.

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.
JanFebMarAprMayJunJulAugSepOctNovDec10h 7m10h 56m11h 59m13h 4m13h 58m14h 24m14h 10m13h 22m12h 20m11h 16m10h 20m9h 52m
Data source: Jasper daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Jasper

As December arrives in Jasper, the wind begins to whisper a gentle chill, with an average speed of 2.7 m/s (6 mph). This marks a subtle uptick from the stillness of the summer months, where July and August recorded their calmest days at just 1.7 m/s (4 mph). Following a slight increase in wind activity through the autumn, December's breeze contributes to the festive atmosphere, offering a refreshing touch as the year comes to a close. Interestingly, the overall trend through the year reveals peaks in the spring months, with an average of 3.2 m/s (7 mph) in March, before tapering off to a more serene winter gust. As the winds dance through the quiet streets of Jasper this December, one can feel the cycle of the seasons, each breeze a reminder of nature's ever-changing rhythm.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.13.22.82.62.31.71.72.12.42.62.7 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 exhibit similar temperature ranges, but January tends to be slightly cooler overall. In December, temperatures range from a minimum of -8°C (18°F) to a maximum of 22°C (72°F), with an average of 8°C (46°F) and relatively high humidity at 88%. Precipitation is notable, with 155 mm (6.1 in) spread over 12 days. In contrast, January sees lower minimum temperatures, dipping to -13°C (9°F) and holding an average of 6°C (43°F), while the maximum only slightly increases to 23°C (73°F). Precipitation in January decreases to 129 mm (5.1 in) over 10 days, accompanied by slightly lower humidity at 86%. For a more detailed look at January weather in Jasper, you can visit this link: Jasper weather in January.

December and February showcase distinct yet similar winter climates. In December, the temperatures range from a chilly -8°C (18°F) at night to a warmer 22°C (72°F) during the day, averaging around 8°C (46°F). The month experiences significant precipitation, with about 155 mm (6.1 in) over 12 days, contributing to a high humidity level of 88%. Conversely, February sees slightly milder temperatures, with a minimum of -6°C (21°F) and a maximum of 25°C (78°F), averaging 9°C (49°F). This month also brings increased rainfall, totaling 198 mm (7.8 in) across 15 days, and a slightly lower humidity level of 86%. For a more detailed insight into February conditions, check out Jasper weather in February.

December weather is characterized by cooler temperatures, with a minimum of -8°C (18°F) and an average of 8°C (46°F), while the maximum can reach up to 22°C (72°F). This month experiences about 155 mm (6.1 in) of precipitation over approximately 12 days, accompanied by high humidity levels of 88%. In contrast, March introduces milder conditions, with temperatures ranging from a minimum of -5°C (24°F) to an average of 12°C (54°F), and a maximum soaring to 29°C (84°F). Precipitation increases slightly to 165 mm (6.5 in) across about 14 days, while humidity remains similar at 86%. For a closer look at March specifics, check out Jasper weather in March.

In December, the weather is notably colder, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 22°C (72°F) and an average of 8°C (46°F). In contrast, April sees milder temperatures, with a minimum of -1°C (31°F) and a maximum of 29°C (84°F), averaging at 16°C (60°F). Both months experience significant precipitation, with December receiving 155 mm (6.1 in) over 12 days and April having slightly less at 147 mm (5.8 in) across 10 days. Additionally, December has a higher humidity level at 88%, compared to April's 82%. For more specific insights into the April weather, you can check Jasper weather in April.

December and May present notably different weather patterns. In December, temperatures can drop as low as -8°C (18°F) and average around 8°C (46°F), while May boasts much warmer conditions with a minimum temperature of 2°C (37°F) and an average of 21°C (69°F). The maximum temperatures in December reach up to 22°C (72°F), whereas in May, they soar to 34°C (93°F). Precipitation levels are somewhat similar, with December receiving 155 mm (6.1 in) over 12 days, compared to May's 122 mm (4.8 in) over the same number of days. Humidity levels remain high in both months, with December at 88% and May slightly lower at 85%. For a closer look at the climate during this pleasant month, you can check Jasper weather in May.

December and June exhibit distinctly different weather patterns. In December, temperatures can dip as low as -8°C (18°F) and average around 8°C (46°F), while reaching a maximum of 22°C (72°F). The month sees significant precipitation, totaling 155 mm (6.1 in) over approximately 12 days, along with high humidity at 88%. In contrast, June boasts more moderate temperatures, with a minimum of 12°C (54°F) and an average of 23°C (74°F), peaking at 34°C (93°F). Although June has slightly less precipitation at 135 mm (5.3 in) over 16 days, its humidity remains close at 85%. For more specific information about weather conditions in June, you can refer to Jasper weather in June.

December and July present contrasting weather patterns. In December, temperatures can plummet to a chilly minimum of -8°C (18°F), with averages around 8°C (46°F) and highs reaching 22°C (72°F). The month experiences significant precipitation, totaling about 155 mm (6.1 in) over 12 days, accompanied by high humidity of 88%. In contrast, July boasts much warmer temperatures, with a low of 15°C (59°F) and an average of 25°C (78°F), peaking at a sweltering 33°C (93°F). Although July sees slightly less precipitation at 122 mm (4.8 in) over 17 days, the humidity is relatively lower at 83%. For more insights on the summer weather, check out Jasper weather in July.

In December, temperatures can drop as low as -8°C (18°F), while the average temperature is around 8°C (46°F), peaking at a maximum of 22°C (72°F). The month sees significant precipitation, totaling 155 mm (6.1 in) over about 12 days, with a high humidity level of 88%. Conversely, August offers a much warmer climate, with minimum temperatures at 15°C (60°F), an average of 25°C (77°F), and maximums reaching up to 33°C (92°F). Precipitation in August is slightly less, at 147 mm (5.8 in) over 18 days, but the humidity is lower at 76%, providing a distinctly different feel to the weather. For a closer look at the summer weather, check Jasper weather in August.

In comparing the weather of December and September, a stark contrast emerges. December experiences much colder temperatures, with a minimum of -8°C (18°F) and an average of 8°C (46°F), while September boasts milder conditions, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 34°C (93°F). Additionally, December is wetter, with 155 mm (6.1 in) of precipitation over 12 days, compared to September's 111 mm (4.4 in) of rainfall over just 10 days. Humidity levels also differ significantly, as December sees a high humidity of 88%, whereas September has a more comfortable 76%. For a detailed look at September weather, you can visit Jasper weather in September.

December typically experiences much colder temperatures compared to October, with minimal lows plunging to -8°C (18°F) and an average high reaching only 22°C (72°F). In contrast, October tends to be warmer, with a minimum temperature of -1°C (30°F) and an average high of 35°C (96°F). While December sees an increase in precipitation, totaling 155 mm (6.1 in) over 12 days, October's rainfall is slightly less at 144 mm (5.7 in) across 10 days. Additionally, December's humidity levels are higher at 88%, compared to October's 80%. For more detailed insights into October weather, visit Jasper weather in October.

December weather shows a slight chill compared to November, with average temperatures dropping from 10°C (51°F) in November to 8°C (46°F) in December. Though both months share similar humidity levels at 88%, December experiences a notable increase in precipitation, totaling 155 mm (6.1 in) over 12 days, compared to November's 95 mm (3.7 in) over just 9 days. Additionally, while December's maximum temperature reaches 22°C (72°F), November is slightly warmer at 24°C (76°F). For more details, check Jasper weather in November.

Compare Jasper's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Jasper

As December unfolds in Jasper, it brings a notable shift in weather compared to other months, marked by cooler temperatures and increased precipitation. With a maximum temperature of 22°C, the crisp average of 8°C manifests winter's arrival, while the minimum dips to a chilly -8°C. It's a month where 88% humidity often cloaks the landscape, contributing to the 155 mm of precipitation over about 12 days. This combination signifies a transition from fall's mildness to winter's embrace, making December a unique time to experience Jasper's beauty. For a deeper understanding of the region's climatic patterns, explore the full picture at Jasper Climate.