Last updated: February 24, 2025
In January, Keystone, United States, experiences a chilly climate, with temperatures ranging from a brisk maximum of 5°C (42°F) to a frigid minimum of -26°C (-15°F) and an average sticking around -11°C (13°F). The month sees approximately 41 mm (1.6 in) of precipitation spread across 10 days, contributing to the winter wonderland ambiance of the region. High humidity levels at 88% can make the cold feel even more penetrating, compelling visitors to bundle up and embrace the serene beauty of the snow-covered landscape.
In January, Keystone, United States experiences a sharp chill, with minimum temperatures plunging to an astonishing -26°C (-15°F). The month averages a bitter -11°C (13°F), while daytime highs struggle to reach just 5°C (42°F). As winter deepens, February follows suit with even colder nights, dipping to -28°C (-19°F), averaging slightly better at -10°C (14°F) but maxing out at 9°C (48°F). This persistent cold trend continues into March, when temperatures gradually begin to rise, yet still hover around -5°C (22°F) in the average range. Interestingly, while the lows improve slightly through April, reaching a minimum of -21°C (-5°F), the warmth from upcoming months becomes more apparent, indicating that the relentless cold is short-lived. Overall, January stands as a defining month of icy temperatures in Keystone, foreshadowing the slow transition towards milder conditions as spring approaches.
In January, Keystone experiences a modest precipitation total of 41 mm (1.6 in) over approximately 10 days, setting the tone for the winter months. This amount is the lowest of the year, hinting at the crisp, often dry conditions typical of mid-winter. As the season progresses into February, precipitation increases to 59 mm (2.3 in) and continues to rise through March and April, where it peaks at 78 mm (3.1 in). This upward trend suggests a buildup of moisture leading into spring, with February often being the wettest month of winter. Notably, Keystone's precipitation remains relatively consistent into the following months, with May and July capturing just over 80 mm. Overall, the data illustrates a clear seasonal pattern where winter starts off drier, but as the year unfolds, Keystone receives more rain, supporting the lush landscapes characteristic of the area.
In January, Keystone, United States, experiences a notable humidity level of 88%, setting the tone for a month characterized by damp and chilly conditions. This high humidity begins a gradual decline, dipping to 87% in February and continuing to drop to 81% in March. As spring approaches, the air becomes crisper, with humidity levels falling to 76% in April and further decreasing to 66% in May. This trend towards drier air persists through the summer, reaching the lowest point at 52% in July. However, as fall arrives, there's a gradual uptick in moisture, with humidity returning to 82% in November and peaking again at 89% in December. Thus, Keystone's humidity showcases a clear seasonal rhythm, revealing the shift from the moisture-laden chill of winter to the dryness of summer before cycling back with autumn and winter's embrace.
In January, Keystone, United States experiences a moderate UV Index of 4, indicating a burn time of about 30 minutes for unprotected skin. As the year progresses, the UV Index climbs sharply, peaking in June at an extreme level of 14, where skin can burn in as little as 10 minutes. This trend highlights the risk of sun exposure, especially in the spring and summer months. By February, the index rises to 6, categorized as high, and by March, it reaches a very high rating of 9. This continual increase continues through May before slightly tapering off in the fall months, where October's index, at 7, still calls for caution. Understanding these trends can help residents and visitors alike to better prepare for sun safety throughout the year. For daily updates, check out Keystone UV Index.
UV Risk Categories
January in Keystone, United States, may start off with 183 hours of sunshine, but as the year unfolds, the warmth and brightness gradually increase. By February, the sun shines for 232 hours, setting the stage for spring's arrival in March, which boasts 291 hours of sunlight. As the months progress, the days lengthen and the sunshine peaks in June and July, each offering 382 hours of radiant light. Following this summer zenith, the hours begin to taper off, with August providing 357 hours, and September seeing 314 hours. By the time autumn arrives, the glow dims, with November and December delivering 247 and 237 hours respectively. This trend showcases a captivating natural rhythm, where Keystone transforms throughout the year, inviting visitors to bask in its sunny splendor during peak seasons.
In Keystone, United States, the likelihood of sunny weather in January stands at a moderate 48%, making it one of the brighter months amid the winter chill. As the seasons transition, the chance of sunshine shows a gradual upward trend; February dips slightly to 38%, but by April, it climbs back to 51%. The summer months shine particularly bright, with August peaking at 61%, creating a delightful contrast to the early winter gloom. Interestingly, while the promise of sun lingers well into the fall, January's sunlit days serve as a reminder of warmer times ahead, encouraging outdoor enthusiasts to embrace the crisp, clear days before the weather shifts again.
In January, Keystone, United States, experiences a modest 9 hours of daylight, marking the depths of winter. As the month unfolds into February, the days begin to lengthen, offering an additional hour of sunlight, which transitions into an invigorating 11 hours by March. This steady increase persists into spring, culminating in 14 hours of daylight by May, where the days are at their longest. As summer progresses through June and July, this peak daylight duration remains, providing ample opportunity for outdoor activities. However, as summer gives way to autumn, the daylight gradually diminishes, dropping back to 13 hours in August and tapering to 9 hours by November. This cyclical pattern highlights the rhythm of the seasons, where daylight ebbs and flows, creating a dynamic environment for residents and visitors alike.
In January, Keystone, United States, experiences an average wind speed of 2.7 m/s (6 mph), marking a month where a gentle breeze adds a crisp touch to the winter scenery. As the year progresses, the wind picks up slightly in February, reaching 3.2 m/s (7 mph), before tapering off again in March and April to around 2.5 to 2.6 m/s (6 mph). The trend continues downward in the warmer months, with July seeing the calmest winds at 1.8 m/s (4 mph), fostering a serene atmosphere ideal for summer activities. Interestingly, the wind speeds find a modest resurgence in late fall and winter, with November and December returning to stronger breezes of 2.8 m/s (6 mph) and 2.9 m/s (6 mph), respectively. Overall, January sets the tone for a year characterized by gentle winds, punctuated by brief seasons of increased gustiness, especially noticeable during the transition from fall to winter.
The weather in Keystone 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 Keystone and find detailed weather information for every month.
January and February both feature frigid temperatures, but February is generally slightly colder. In January, the temperatures range from a minimum of -26°C (-15°F) to a maximum of 5°C (42°F), with an average of -11°C (13°F). In contrast, February records a minimum of -28°C (-19°F) and a maximum of 9°C (48°F), giving it an average temperature of -10°C (14°F). While January sees about 41 mm (1.6 in) of precipitation over 10 days, February experiences increased precipitation of 59 mm (2.3 in) spread across 14 days. The humidity remains fairly consistent, averaging around 88% in January and 87% in February. For more detailed information, check out Keystone weather in February.
January and March present a notable contrast in weather conditions. In January, temperatures dip significantly, with average lows around -11°C (13°F) and highs only reaching 5°C (42°F). The month also sees relatively high humidity at 88% and 41 mm (1.6 in) of precipitation over about 10 days. In comparison, March enjoys slightly milder temperatures, with average lows of -5°C (22°F) and highs of 9°C (49°F). This month also demonstrates increased precipitation, totaling 67 mm (2.7 in) across 14 days, though humidity is lower at 81%. For a more detailed look at the weather specifics, check out Keystone weather in March.
January and April present a stark contrast in weather conditions. In January, temperatures can plummet to a frigid minimum of -26°C (-15°F), with an average of -11°C (13°F), while the maximum barely reaches 5°C (42°F). The month is characterized by high humidity at 88% and relatively low precipitation of 41 mm (1.6 in) over 10 days. In contrast, April sees a significant rise in temperatures, with minimums around -21°C (-5°F), averages of -3°C (27°F), and highs of 10°C (50°F). The month also experiences increased precipitation, totaling 78 mm (3.1 in) over 13 days, accompanied by lower humidity at 76%. For more details on the weather conditions during this month, check out Keystone weather in April.
January and May present a stark contrast in weather conditions. In January, temperatures plummet to a minimum of -26°C (-15°F) and average around -11°C (13°F), with a maximum reaching just 5°C (42°F). The month is characterized by high humidity at 88% and experiences about 41 mm (1.6 in) of precipitation over 10 days. In comparison, May brings a significant warming trend, with temperatures ranging from a minimum of -13°C (10°F) to an average of 2°C (35°F), and peaking at a pleasant 17°C (63°F). This month sees increased precipitation at 81 mm (3.2 in), spread over 14 days, along with a decrease in humidity to 66%. For more details on the conditions in May, you can check out Keystone weather in May.
January and June present starkly contrasting weather conditions. In January, temperatures plummet with a minimum of -26°C (-15°F) and an average of -11°C (13°F), providing a frigid environment. In contrast, June enjoys milder temperatures with a minimum of -9°C (15°F) and an average of 8°C (46°F), peaking at a pleasant 24°C (75°F). While January sees about 41 mm (1.6 in) of precipitation over 10 days with high humidity at 88%, June experiences a slight increase in precipitation to 50 mm (2.0 in) over the same number of days, but the humidity drops to a more comfortable 58%. Overall, June offers a significant relief from the harsh winter weather typical of January. For a detailed look at June weather specifics, you can also visit Keystone weather in June.
January and July present starkly contrasting weather conditions. January experiences frigid temperatures, with a minimum of -26°C (-15°F) and an average of -11°C (13°F), while July offers a much milder climate, characterized by a minimum of -2°C (28°F) and an average of 11°C (53°F). Precipitation is more frequent in July, occurring over 15 days with a total of 83 mm (3.3 in), compared to January's 41 mm (1.6 in) spread over 10 days. Additionally, January's high humidity of 88% contributes to its cold, biting air, while July boasts a more comfortable humidity level of 52%. For a more detailed look at what to expect in July, visit Keystone weather in July.
January and August present quite a stark contrast in weather conditions. January is characterized by frigid temperatures, with an average of -11°C (13°F) and minimums dropping as low as -26°C (-15°F). The month sees significant humidity at 88% and experiences about 41 mm (1.6 in) of precipitation over roughly 10 days. In contrast, August brings a mild climate with average temperatures around 11°C (52°F) and maximums reaching 22°C (73°F). While slightly wetter, with 53 mm (2.1 in) of precipitation over 11 days, August's humidity is notably lower at 56%. For more details on the weather conditions in August, you can check Keystone weather in August.
In January, the weather is significantly colder, with average temperatures hovering around -11°C (13°F) and a maximum of only 5°C (42°F). The month experiences more humidity at 88%, coupled with 41 mm (1.6 in) of precipitation over about 10 days. In stark contrast, September brings milder weather with average temperatures rising to 7°C (46°F) and highs reaching 22°C (72°F). Humidity drops to 65%, and precipitation remains relatively similar at 43 mm (1.7 in) over just 9 days. For more details about the weather in September, check out Keystone weather in September.
January and October weather exhibit notable differences despite being just a few months apart. In January, temperatures can plummet to a chilling minimum of -26°C (-15°F), with an average of -11°C (13°F) and a maximum of 5°C (42°F). The month experiences heavy humidity at 88%, contributing to a colder feel, alongside 41 mm of precipitation over approximately 10 days. Conversely, October presents a much milder climate, with temperatures ranging from a minimum of -24°C (-10°F) to an average of -1°C (31°F) and reaching a comfortable maximum of 17°C (63°F). Precipitation increases slightly to 56 mm over just 9 days, and humidity drops to a more manageable 76%. For more insights into October conditions, you can check out Keystone weather in October.
January weather tends to be bitterly cold, with minimum temperatures plummeting to -26°C (-15°F) and an average temperature of -11°C (13°F). In contrast, November experiences slightly milder conditions, with temperatures ranging from a minimum of -27°C (-17°F) to a more comfortable average of -7°C (20°F). Despite the similarities in precipitation levels—both months receiving about 41 mm (1.6 in) over a comparable number of days—January is characterized by higher humidity at 88%, compared to November's 82%. For more detailed information on November conditions, you can check out Keystone weather in November.
In comparing the weather between January and December, both months exhibit similar average temperatures, hovering around -11°C (13°F). However, January tends to be slightly milder, with maximum temperatures reaching up to 5°C (42°F), compared to December's higher maximum of 8°C (47°F). Precipitation levels are similar, with January experiencing 41 mm (1.6 in) and December slightly higher at 43 mm (1.7 in), both across ten days. Humidity remains consistent, with January at 88% and December slightly higher at 89%. For more details on December weather, you can refer to Keystone weather in December.
January in Keystone brings biting cold and frequent precipitation, setting it apart from the milder months of the year. With temperatures plummeting to average lows of -11°C and a chilly maximum of just 5°C, it's a month where winter truly lays its claim. The high humidity levels of 88% coupled with nearly a third of the month experiencing snow or rain create a crisp atmosphere that's perfect for winter sports enthusiasts. For those contemplating a visit, knowing what to expect can help you fully embrace the unique charm of this season. Dive deeper into the area's weather patterns by visiting Keystone Climate.