Last updated: February 24, 2025
In January, Aspen experiences a striking contrast in weather, characterized by maximum temperatures reaching 5°C (42°F) and chilling minimums plunging to -23°C (-10°F). The average temperature hovers around -9°C (16°F), setting the scene for a truly wintry atmosphere. With precipitation totaling 59 mm (2.3 in) over the month, it’s common to see 11 days of wet weather, contributing to the region's stunning snow-covered landscapes. The humidity remains high at 88%, enhancing the crispness of the air and creating an enchanting winter experience for visitors and locals alike.
In January, Aspen, United States, typically experiences a chilly embrace, with temperatures dipping to a frigid minimum of -23°C (-10°F) and an average hovering around -9°C (16°F). The peak temperatures reach a modest 5°C (42°F), providing a stark contrast to the colder nights. As winter progresses into February, conditions deepen with minimums touching -25°C (-13°F), while averages shift slightly to -8°C (18°F), hinting at an extended winter chill. Despite this, the maximum temperature does see a slight improvement, climbing to 10°C (50°F). This trend of cold nights and moderate days continues into March, where the temperatures incrementally rise, showcasing a minimum of -21°C (-6°F) and an average of -4°C (26°F). As winter makes its gradual exit, Aspen's temperature profile reflects the dynamic interplay of cold and milder winter days, setting the stage for an eventual warming as spring approaches.
In January, Aspen experiences a moderate precipitation of 59 mm (2.3 in), typically spread over 11 days. This pattern sets a precedent for the winter months, with precipitation steadily increasing into February and March, reaching a peak of 82 mm (3.2 in) in March. The frequency of precipitation days also rises, with 15 days in February and 14 in March, indicating a trend of heightened winter activity that culminates in a vibrant spring runoff. Following this peak, April sees a slight decline with 72 mm (2.8 in), as the snow begins to melt and spring warmth takes hold. Overall, January’s precipitation serves as a critical link in Aspen's annual weather cycle, paving the way for the robust snowpack that supports the region's renowned ski season.
In Aspen, United States, the month of January stands out with a high humidity level of 88%, providing a crisp and moist air as winter reaches its peak. This high humidity is indicative of the region's wintry charm, contrasting with a gradual decline as the seasons transition; by July, the humidity dips to its annual low of 52%. Following this, August brings a slight uptick, reflecting the return of summer storms, while the fall months see humidity levels starting to rise again, culminating in December with 89% humidity, as the snow begins to blanket the town. This cyclical trend underscores Aspen's dynamic climate, where winter’s embrace and summer’s warmth dance in harmony through the year.
In January, Aspen experiences a moderate UV Index of 4, which means that while you can enjoy outdoor activities, you should still take some precautions, particularly if you have light skin, as the burn time is around 30 minutes. As the months progress, the UV index steadily increases, peaking in June with an extreme reading of 15, where unprotected skin can burn in just 10 minutes. Notably, the months of March to September all fall within the very high to extreme exposure categories, highlighting a trend of intense UV radiation in spring and summer. By the time October rolls around, the index drops back to a high level of 7, making protective measures essential again. As winter returns with December and January, the UV Index tends to stabilize at a moderate level, allowing for safe and enjoyable winter sports. For more detailed information on UV levels throughout the year, check out Aspen UV Index.
UV Risk Categories
January in Aspen brings 174 hours of sunshine, a gentle start to the year that sets the stage for a gradual increase in brightness as winter fades. By February, the sun shines for 227 hours, hinting at the lingering warmth of spring ahead. March sees a leap to 289 hours, as the days grow longer and skiers revel in the glorious sunshine. The trend continues into April, with a welcoming 323 hours that invites adventure. As spring flourishes into summer, May and June boast impressive peaks of 366 and 386 hours, respectively, offering abundant sunlight for outdoor activities. Although July and August maintain this vibrant energy with equal 386 and 360 hours, the arrival of autumn brings a gentle decline. September welcomes 317 hours, followed by October's 286, and a modest 246 hours in November, reminding us of nature's ebb and flow before December softens with 226 hours. Overall, Aspen experiences a delightful variation in sunshine, perfectly synchronizing with the changing seasons and outdoor allure.
In Aspen, January offers a 45% chance of sunny weather, setting the stage for a crisp winter landscape where slopes shine under a blue sky. While this isn't the sunniest month, it hints at a trend where sunshine gradually increases as the seasons shift. From February's challenging 36% to March's slight uptick at 46%, the drive toward more favorable weather continues. As temperatures rise into spring, April boasts a more optimistic 55%, reflecting the region's transition into sunnier days. This gradual increase suggests that while January may be marked by the winter chill and cloud cover, it's just the beginning of a sunlit journey that peaks further along in the year.
In Aspen, United States, January marks the beginning of the year with 9 hours of daylight, a reminder of winter's firm grip. As the month draws to a close, daylight gradually increases, leading to 10 hours by February and peaking at 11 hours in March. This gradual rise signals the arrival of spring, with April boasting 13 hours of daylight. The trend continues into the summer months, where daylight reaches its zenith at 14 hours from May through July, offering ample time for outdoor adventures. As summer fades, daylight begins to wane, transitioning beautifully into autumn with 13 hours in August and 12 hours in September. By the time November arrives, daylight shrinks back to 10 hours, ultimately returning to 9 hours in December, closing the circle of seasonal change and setting the stage for another winter in stunning Aspen.
In Aspen, United States, January greets visitors with a gentle breeze, featuring an average wind speed of 2.0 m/s (4 mph). This tranquil atmosphere sets the stage for a month that, while calm, precedes a slight uptick in wind activity as February rolls in with an average of 2.4 m/s (5 mph). Interestingly, the winds remain consistent throughout the spring months, with minimal fluctuations, averaging between 2.2 to 2.4 m/s. This stability creates an enjoyable experience for outdoor enthusiasts. As summer arrives, a subtle decline in wind speeds peaks in July, dipping to 1.8 m/s (4 mph), making it one of the year's calmest months. However, as autumn approaches, wind conditions begin to stabilize again, ultimately returning to around 2.0 m/s (5 mph) by November, suggesting a cyclical return to moderate breezes as the year closes. This rhythmic pattern not only enhances Aspen’s serene winter charm but also contributes to its idyllic seasonal transitions.
The weather in Aspen changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Aspen and find detailed weather information for every month.
January and February display notable differences in weather patterns, with January often being slightly milder than its colder counterpart. In January, the average temperature hovers around -9°C (16°F), while February sees a marginally colder average of -8°C (18°F). Despite January's average maximum temperature of 5°C (42°F), February can reach up to 10°C (50°F), suggesting a brief respite from the winter chill. Precipitation also increases in February, with 78 mm (3.1 in) recorded over 15 days, compared to January's 59 mm (2.3 in) over 11 days. Humidity remains fairly consistent, hovering around 88% in January and slightly lower at 87% in February. For those interested in more specifics about February weather, see Aspen weather in February.
When comparing January and March weather, notable differences emerge. January typically sees lower temperatures, with an average of -9°C (16°F) and maximums reaching only 5°C (42°F), whereas March brings a milder average of -4°C (26°F) and highs up to 11°C (51°F). Precipitation in March increases to 82 mm (3.2 in) over 14 days, compared to January's 59 mm (2.3 in) across 11 days. Additionally, while January has a higher humidity level of 88%, March's humidity drops slightly to 81%. For a more detailed look at March conditions, you can check out Aspen weather in March.
January weather is characterized by much colder temperatures, with average lows around -9°C (16°F) and highs only reaching 5°C (42°F). In contrast, April marks a transition into milder conditions, featuring an average low of -1°C (31°F) and a maximum of 11°C (53°F). Additionally, January tends to be wetter, with 59 mm (2.3 in) of precipitation over approximately 11 days, while April sees slightly more precipitation at 72 mm (2.8 in) spread across 13 days, indicating a shift towards spring conditions. Despite the increased precipitation in April, humidity levels are lower at 76%, compared to January's high of 88%. For more detailed insights, check out the Aspen weather in April.
January and May present starkly contrasting weather conditions. In January, temperatures plunge to a minimum of -23°C (-10°F) with an average of -9°C (16°F) and a maximum of just 5°C (42°F), accompanied by high humidity levels of 88%. The month sees around 59 mm (2.3 in) of precipitation over 11 days. In contrast, May brings milder temperatures, with a minimum of -12°C (11°F), an average of 3°C (38°F), and a maximum reaching 18°C (64°F). Although precipitation slightly increases to 62 mm (2.4 in) over 12 days, humidity drops to 66%. This significant shift highlights the transition from the deep winter chill of January to the spring warmth of May. For more detailed information on May weather conditions, you can check Aspen weather in May.
The weather in January and June presents a stark contrast in Aspen. In January, temperatures can plunge to a chilling minimum of -23°C (-10°F), with an average of -9°C (16°F) and a maximum of only 5°C (42°F). This cold month also sees considerable humidity at 88% and experiences precipitation on about 11 days, totaling 59 mm (2.3 in). In contrast, June offers a much milder climate, with minimum temperatures around -7°C (21°F) and averages rising to 10°C (50°F), peaking at a pleasant 25°C (78°F). Precipitation is lighter, occurring on just 6 days and totaling 33 mm (1.3 in), while humidity drops to a more comfortable 58%. For more detailed insights, check out the Aspen weather in June.
January in Aspen experiences frigid temperatures, with a minimum of -23°C (-10°F) and an average of -9°C (16°F), while July brings much milder conditions, featuring a minimum of -1°C (30°F) and an average of 14°C (57°F). Both months see similar levels of precipitation, with January receiving 59 mm (2.3 in) over 11 days and July slightly higher at 60 mm (2.4 in) over 12 days. However, the humidity levels differ significantly, being much higher in January at 88% compared to July’s 52%, making the summer months feel much more pleasant. For a more detailed look at July weather, you can check Aspen weather in July.
In January, the weather is quite frigid, with temperatures ranging from a minimum of -23°C (-10°F) to a maximum of 5°C (42°F) and an average temperature of -9°C (16°F). The month experiences significant humidity at 88% and sees around 59 mm (2.3 inches) of precipitation over 11 days. In contrast, August brings a much milder climate, characterized by temperatures that range from a minimum of 0°C (33°F) to a pleasant maximum of 25°C (77°F), with an average temperature of 13°C (55°F). Precipitation decreases to 37 mm (1.5 inches) across 8 days, and humidity drops to 56%. For more details on how the weather changes, check out Aspen weather in August.
In January, temperatures in Aspen can plummet to a chilling average of -9°C (16°F), with lows reaching -23°C (-10°F) and highs only climbing to about 5°C (42°F). The month sees considerable precipitation, averaging 59 mm (2.3 in) over 11 days, coupled with high humidity levels of 88%. In stark contrast, September brings a more temperate climate, with average temperatures rising to around 9°C (49°F) and highs hitting 24°C (76°F). Precipitation decreases to 35 mm (1.4 in) over just 7 days, and humidity drops to a more comfortable 65%. For more detailed insights into September weather in Aspen, visit Aspen weather in September.
January weather is characterized by frigid temperatures, with a minimum of -23°C (-10°F) and an average temperature of -9°C (16°F), while October sees a more moderate climate, with minimum temperatures around -30°C (-21°F) and an average of 1°C (34°F). Despite October's lower average temperature, it can still experience highs up to 19°C (66°F), offering a stark contrast to January's maximum of 5°C (42°F). Both months receive similar amounts of precipitation, with January at 59 mm and October slightly higher at 62 mm, although January has more rainy days. Furthermore, January's humidity level is notably higher at 88%, compared to October's 76%. For more specific details on October's climate, check out Aspen weather in October.
In comparing the weather between January and November, January tends to be slightly warmer overall, with average temperatures hovering around -9°C (16°F) compared to November's average of -6°C (22°F). However, November experiences colder minimum temperatures, reaching as low as -28°C (-18°F), while January's lows are a bit higher at -23°C (-10°F). Both months see similar levels of precipitation, with January at 59 mm (2.3 in) over 11 days and November slightly less at 52 mm (2.1 in) across 9 days. Interestingly, January has a higher humidity level at 88%, compared to November's 82%. For more detailed insights, you can check this link: Aspen weather in November.
In comparing the weather between January and December, both months experience frigid temperatures, but January typically sees slightly milder conditions overall. The average temperature in January hovers around -9°C (16°F), consistent with December's average of -9°C (15°F), although January generally has a higher maximum temperature of 5°C (42°F) compared to December's 7°C (45°F). Precipitation levels are fairly similar, with January receiving 59 mm (2.3 in) over 11 days, while December records 65 mm (2.6 in) across 12 days, indicating a somewhat wetter December. Humidity remains high for both months, at 88% in January and 89% in December. For more detailed insights, you can check out Aspen weather in December.
January in Aspen brings a crisp chill that sets it apart from the milder months. With temperatures dipping significantly and a notable amount of precipitation, this month often hosts the most wintery conditions of the year. The higher humidity levels contribute to the frosty atmosphere, making it a prime time for snow-loving enthusiasts to explore the slopes. This unique weather experience enhances January's charm, drawing visitors to the breathtaking winter landscape. For a deeper dive into the yearly patterns that define this beautiful destination, check out the full details at Aspen Climate.