December Weather in Jasper, Canada

Last updated: April 22, 2025

December in Jasper, Canada, presents a crisp winter landscape, showcasing a striking temperature range. The maximum temperature hovers around 2°C (35°F), while the average plummets to a chilly -14°C (7°F), dipping as low as -39°C (-39°F) during the frigid nights. Amidst this cold, the area experiences 47 mm (1.8 in) of precipitation over approximately 11 days, contributing to its stunning winter scenery. With humidity levels reaching an impressive 98%, this month encapsulates the essence of a true winter wonderland, inviting adventurers and snow lovers to relish in its beauty.

December Temperature in Jasper

December in Jasper, Canada, ushers in the deep chill of winter, characterized by some of the coldest temperatures of the year. With minimums plunging to -39°C (-39°F) and average daily temperatures hovering around -14°C (7°F), this month is a stark reminder of the region’s harsh climate. Although the maximum temperature reaches a slightly more bearable 2°C (35°F), the consistent chill sets a wintry scene perfect for outdoor activities such as skiing or ice skating. This frosty backdrop is a sharp contrast to the milder temperatures of earlier months, reinforcing the trend of dropping mercury as winter takes hold. As December draws in, the beauty of Jasper’s snowy landscapes becomes a highlight, making it an enchanting destination despite the cold.

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.
JanFebMarAprMayJunJulAugSepOctNovDec972027384753524126167
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, Canada, experiences a moderate precipitation amount of 47 mm (1.8 in), falling over 11 days. This marks a decrease from the wetter months of summer and early fall, where rainfall peaked in June and July with 112 mm (4.4 in) and 119 mm (4.7 in), respectively. The trend indicates a gradual shift towards drier conditions as winter sets in, with precipitation steadily tapering off from the autumn months. Despite this decrease, December continues to contribute to the area's overall climate, ensuring that the alpine landscapes remain vibrant and prepare for the winter snow season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec36505861711121197686706747
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, Canada, experiences a significant increase in humidity, maintaining a high level of 98% that echoes the moisture-laden atmosphere of November. Throughout the year, Jasper's humidity trends reveal a consistency in high moisture levels, particularly in the winter months. As autumn gives way to winter, humidity peaks, reflecting the region's cold, damp conditions. Interestingly, while summer months like June and August see a slight dip to 84%, the humidity remains relatively elevated year-round. This persistent humidity, especially in December, adds to Jasper's enchanting winter landscape, creating a frosty, picturesque setting that's as captivating as it is brisk.

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.
JanFebMarAprMayJunJulAugSepOctNovDec95%95%91%89%87%84%87%84%84%92%98%98%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jasper

In December, Jasper, Canada, experiences a notably low UV Index of 1, categorizing it as a time for minimal sun exposure precautions with a burn time of about 45 minutes. This trend of decreased UV exposure continues from November, which also had a low index of 2. As winter progresses, the UV levels consistently drop from the very high indices seen in the summer months, where a UV Index of 8 dominated from May to August. As the year winds down, residents and visitors can enjoy outdoor activities without the urgency of sun protection, making it an ideal time to relish Jasper's winter wonderland. For more detailed information, 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.
JanFebMarAprMayJunJulAugSepOctNovDec235688886421
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 in Jasper, Canada, basks in a modest 137 hours of sunshine, marking a gradual increase from the preceding months as the winter season settles in. While the days grow shorter and colder, a slight uptick in sunny hours provides a refreshing contrast against the often gray skies of late autumn. Compared to November's 129 hours, this increase hints at the potential for brighter winter days ahead. As the year draws to a close, Jasper showcases a cozy charm under its winter blanket, inviting visitors to enjoy not only the breathtaking snow-laden landscapes but also those precious glimpses of December sunlight that warm both body and spirit.

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.
JanFebMarAprMayJunJulAugSepOctNovDec101h153h230h272h320h317h343h312h220h188h129h137h
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 sets in, the likelihood of sunny weather in Jasper, Canada, tends to dwindle, with clear skies appearing only 23% of the time. This marks one of the lowest chances of sunshine throughout the year, following the trends of the preceding months, which also show a decline in sunlit days as winter approaches. Notably, July boasts the sunniest potential at 54%, while the early months of the year, such as January and February, hover around the low thirties. The gradual dimming of sunny prospects from fall to winter illustrates Jasper's transition into a serene snowy landscape, perfect for winter sports and cozy firesides, even if they come at the cost of sunlight.

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.
JanFebMarAprMayJunJulAugSepOctNovDec31%23%25%42%34%41%54%39%30%32%28%23%
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, Canada, December marks a transition into the heart of winter, with daylight slipping down to just 7 hours—the shortest amount for the year. This decline in daylight follows a steady increase from January's 8 hours and peaks in the summer months of June and July, where the sun graces the sky for an impressive 16 hours. As the seasons shift, daylight gradually wanes from the vibrancy of May's 15-hour days through the autumn months, highlighting the natural rhythm of the environment. By embracing the long nights of December, Jasper prepares for a serene winter, framed by the dance of fading light and the beauty of snow-covered landscapes.

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.
JanFebMarAprMayJunJulAugSepOctNovDec8h 12m9h 53m11h 55m14h 1m15h 50m16h 48m16h 16m14h 36m12h 35m10h 31m8h 39m7h 39m
Data source: Jasper daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Jasper

As December settles in Jasper, Canada, the winds begin to whisper their way through the snowy landscape, maintaining an average speed of 2.0 m/s (5 mph). This slight uptick from the calmer summer months, where July recorded a gentle 1.5 m/s (3 mph), reflects a typical trend towards breezier conditions as the year comes to a close. Interestingly, the winds are most spirited during the autumn and early winter months, peaking at 2.3 m/s (5 mph) in November before easing into December's mellow gusts. The consistent breeze not only adds a chill to the air but also enriches the breathtaking scenery, making it a perfect backdrop for winter adventures against the stunning Canadian Rockies.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.11.92.21.81.61.71.51.82.22.02.32.0 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.

In comparing the weather conditions of December and January, December typically features slightly milder temperatures, with an average of -14°C (7°F) compared to January's -13°C (9°F), despite January reaching a lower minimum temperature of -41°C (-41°F). Precipitation is more frequent in December, occurring over 11 days and totaling 47 mm (1.8 in), while January offers fewer rainy days with 36 mm (1.4 in) over 8 days. Additionally, humidity levels remain high in both months, but December is a touch more humid at 98%, compared to January's 95%. For a closer look at what to expect, check out Jasper weather in January.

In December, temperatures can plummet to a minimum of -39°C (-39°F) with an average of -14°C (7°F) and a maximum reaching up to 2°C (35°F). The month experiences 47 mm (1.8 in) of precipitation over 11 days, accompanied by high humidity at 98%.

Conversely, February brings slightly warmer conditions with minimum temperatures around -36°C (-32°F) and an average that remains consistent at -14°C (7°F). The maximum temperature increases to 5°C (42°F), while precipitation rises to 50 mm (2.0 in) across 12 days, with humidity dropping to a more moderate 95%. For more details on February weather, check out Jasper weather in February.

December and March present markedly different weather conditions. In December, temperatures can plummet to a minimum of -39°C (-39°F) with an average temperature of -14°C (7°F), while the maximum only reaches about 2°C (35°F). The humidity is notably high at 98%, accompanied by 47 mm (1.8 in) of precipitation over 11 days. In contrast, March experiences slightly milder temperatures, with a minimum of -33°C (-27°F) and an average of -7°C (20°F), peaking at 13°C (56°F). Although March sees increased precipitation, totaling 58 mm (2.3 in) across 13 days, the humidity is lower at 91%. For more details on March weather, check out Jasper weather in March.

December and April present stark contrasts in weather. In December, temperatures plunge as low as -39°C (-39°F), with an average of -14°C (7°F) and a maximum reaching just 2°C (35°F). The month is characterized by high humidity at 98% and significant precipitation, totaling 47 mm (1.8 in) over 11 days. In comparison, April sees a notable rise in temperatures, with lows around -22°C (-7°F) and highs reaching 16°C (62°F), leading to a more moderate average of -3°C (28°F). Although April experiences slightly more precipitation at 61 mm (2.4 in) over 14 days, the humidity is lower at 89%, indicating a transition into the warmer spring months. For more details on April weather, visit Jasper weather in April.

December and May present a stark contrast in weather conditions. In December, temperatures plunge to a chilling minimum of -39°C (-39°F), with an average temperature of -14°C (7°F) and a maximum of just 2°C (35°F). This frosty month experiences about 47 mm (1.8 in) of precipitation over 11 days, accompanied by high humidity at 98%. In contrast, May ushers in milder conditions, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 23°C (74°F) and an average temperature of 3°C (39°F). Precipitation increases slightly to 71 mm (2.8 in) over 12 days, while humidity decreases to 87%. The shift from December’s frigid grip to May’s refreshing warmth creates a dramatic seasonal transition. For more detailed information, you can check Jasper weather in May.

December and June present striking contrasts in weather. December is characterized by frigid temperatures, with a minimum of -39°C (-39°F) and an average around -14°C (7°F), highlighting its harsh winter climate. The month sees roughly 47 mm (1.8 in) of precipitation over 11 days, coupled with exceptionally high humidity at 98%. In stark contrast, June warms up considerably, featuring a minimum temperature of -7°C (20°F) and average highs of 8°C (47°F) extending up to a maximum of 35°C (95°F). Precipitation increases to 112 mm (4.4 in) across 17 days, while humidity remains lower at 84%. For a closer look at the vibrant weather conditions during this summer month, check out Jasper weather in June.

The weather in December is starkly different from that in July. In December, temperatures plummet to a minimum of -39°C (-39°F), with an average temperature around -14°C (7°F) and a maximum of just 2°C (35°F). The month is characterized by high humidity at 98%, along with precipitation occurring on 11 days, totaling 47 mm (1.8 in).

In contrast, July experiences a significant warmth, with minimum temperatures around -1°C (31°F) and average temperatures rising to 12°C (53°F), peaking at a maximum of 35°C (95°F). The summer month also sees higher precipitation at 119 mm (4.7 in) over 16 days, although humidity is slightly lower at 87%. For a more detailed comparison, you can check out the specifics of Jasper weather in July.

December and August present starkly contrasting weather patterns. In December, temperatures plummet with a minimum of -39°C (-39°F) and an average low of -14°C (7°F), while the maximum rarely exceeds 2°C (35°F). The month also sees high humidity at 98%, resulting in a chilly atmosphere, along with 47 mm (1.8 in) of precipitation over 11 days. In contrast, August offers a much milder climate, with temperatures ranging from a minimum of -3°C (26°F) to an average of 11°C (52°F) and a maximum reaching 27°C (81°F). Despite slightly more precipitation at 76 mm (3.0 in) over 12 days, the humidity is lower at 84%, making for a more comfortable and pleasant experience. For more detailed information, check out Jasper weather in August.

The weather in December is starkly different from September, showcasing the transition from the fading warmth of late summer to the depths of winter. In December, the temperature plummets, with minimums reaching a chilling -39°C (-39°F), an average of -14°C (7°F), and only peaking at a mere 2°C (35°F). Humidity remains high at 98%, contributing to a cold, damp atmosphere. In contrast, September experiences much milder temperatures, with a minimum of -12°C (11°F), an average of 5°C (41°F), and a maximum that can reach a pleasant 26°C (80°F), providing a stark reminder of summer's fading warmth. Although September sees more precipitation at 86 mm (3.4 in) over 15 days, the humidity is comparably lower at 83%. For more detailed insights, you can check out Jasper weather in September.

In December, the weather takes a sharp turn toward the colder end of the spectrum, with temperatures plummeting to a minimum of -39°C (-39°F) and an average temperature of -14°C (7°F). This frigid month also sees significantly high humidity levels at 98%, contributing to a biting chill. In contrast, October offers a more temperate climate, with a minimum temperature of -28°C (-18°F) and a more moderate average of -3°C (26°F), which allows for the maximum temperature to reach a pleasant 19°C (67°F). Despite the higher precipitation in October, totaling 70 mm (2.8 in) over 14 days, the overall atmosphere feels less severe compared to December's chill and heavier snowfall. For more detailed insights into October's conditions, you can check Jasper weather in October.

December weather in Jasper is characterized by significantly colder temperatures compared to November, with average lows dropping to -14°C (7°F) and maximums just reaching 2°C (35°F). In contrast, November sees milder temperatures, with averages around -9°C (16°F) and highs reaching up to 6°C (43°F). While December has higher precipitation, at 47 mm (1.8 in) over 11 days, November experiences more rain, totaling 67 mm (2.6 in) across 14 days. Both months share high humidity levels of 98%. For more details, check out Jasper weather in November.

Compare Jasper's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Jasper

As December rolls into Jasper, it brings a stark contrast to the milder months that precede it. The biting cold descends with average temperatures hovering around a chilly -14°C (7°F), punctuated by occasional peaks at a modest 2°C (35°F) and chilling lows that plunge to a staggering -39°C (-39°F). With humidity levels soaring to 98%, the air feels particularly frigid, and the 47 mm (1.8 in) of precipitation over 11 days often transforms the landscape into a winter wonderland, albeit a frosty one. This distinctive weather pattern sets December apart, ushering in a true taste of winter in Jasper. For a detailed look at what to expect throughout the year, check out Jasper Climate.