Last updated: February 24, 2025
In Castle Rock, United States, January showcases a striking contrast in weather patterns. With a maximum temperature reaching 17°C (62°F) and a chilling minimum of -26°C (-15°F), visitors experience a diverse climate throughout the month. The average temperature hovers around a brisk -3°C (27°F), making warm layers essential for outdoor activities. January also features 17 mm (0.7 in) of precipitation over just 3 days, emphasizing the region's relatively dry winter. The high humidity level of 74% can add a bite to the cold, underscoring the need for preparation when exploring this vibrant location during the heart of winter.
In January, Castle Rock, United States, experiences a sharp embrace of winter, with temperatures dipping as low as -26°C (-15°F), while average daily temperatures hover around a chilly -3°C (27°F). Despite the pervasive cold, milder peaks of up to 17°C (62°F) remind residents of the sun's strength even in the depths of winter. This trend of fluctuating temperatures continues into February, where the lows drop even further to -30°C (-22°F). As the months progress toward spring, March shows a slight warming trend, with average temperatures rising to just above freezing at 2°C (36°F), and by April, the average climbs to 6°C (43°F). Overall, the region experiences a notable transition from the deep freezes of January to the more moderate temperatures of spring, illustrating Castle Rock's dynamic climate.
In January, Castle Rock experiences relatively low precipitation, with only 17 mm (0.7 in) falling over just three days. This marks the driest month of the year, setting a contrast to the following months where rainfall begins to accumulate, particularly in March when it spikes to 59 mm (2.3 in) over seven days. As spring approaches, precipitation continues to rise, peaking in May with a substantial 87 mm (3.4 in) over 14 days, which nourishes the region's budding flora. Notably, a gradual decrease in rain is observed as summer transitions to fall, with January serving as a refreshing start to the year before the moisture levels rhythmically increase leading into the wetter months.
In Castle Rock, January brings a moderate humidity level of 74%, setting a trend that will maintain consistency throughout the winter months. As we transition into February, humidity slightly increases to 75%, before dipping in March to 66%. The spring months show a gradual decline, with April at 62%, creating a refreshing atmosphere. However, humidity levels rise again as we move into late spring and summer, peaking in August at 80%—the highest of the year. Interestingly, October brings a slight decrease to 77%, while November returns to 74%, indicating a consistent comfort level as the year wraps up with a damp December at 80%. The overall pattern reflects a dynamic balance of humidity, enhancing Castle Rock's climate throughout the seasons.
In January, Castle Rock experiences a moderate UV Index of 4, allowing for a burn time of approximately 30 minutes under the sun. As the months progress towards February, the UV Index rises to 6, marking an increase in exposure to high levels of UV radiation and shortening the safe burn time to 25 minutes. This trend continues, with March seeing a significant spike to a very high index of 9 and a mere 15 minutes until skin damage can occur. By April and May, the UV Index reaches extreme levels of 11 and 12 respectively, necessitating diligent sun protection as burn times drop dramatically to just 10 minutes. The extreme conditions persist through the heart of summer, peaking in July before slowly easing in the fall. With each passing month, it’s vital to stay informed and protect yourself from prolonged sun exposure. For detailed insights and forecasts, visit Castle Rock UV Index.
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In Castle Rock, the allure of January sunshine comes as a gentle prelude to the vibrant months ahead. With 189 hours of sunlight, January bridges the gap between winter's embrace and the budding warmth of spring. As the year progresses, there’s a noticeable trend toward longer days, reaching a peak in June with a remarkable 365 hours. This upward trajectory continues through July and August, where sunshine becomes a companion in outdoor pursuits. As autumn rolls in, daylight gradually wanes, tapering to 244 hours in December. This rhythm of sunlight not only marks the passing seasons but also weaves a tapestry of activity and renewal throughout Castle Rock's yearly cycle.
In Castle Rock, United States, January boasts a 62% chance of sunny weather, making it one of the brighter months of the year as winter sets in. This relatively high likelihood contrasts with the subsequent months of February and March, where the chances decline slightly to 61% and 56%, respectively. As spring begins to emerge, the probabilities dip further, reaching a low of 54% in April. Interestingly, sunny days begin to rebound toward mid-year, with July and August seeing an increase to 58% and 66%. Despite the fluctuation, winter's grasp on January still delivers a promising start to the year, inviting residents and visitors to enjoy the sunny moments amidst the chill.
In Castle Rock, January is characterized by 9 hours of daylight, setting the tone for the winter months ahead. As the calendar turns to February, the days begin to lengthen, increasing to 10 hours, hinting at the promise of spring. This gradual increase continues through March and April, with daylight reaching 11 hours and then 13 hours, showcasing the vibrant transition from winter’s grip to spring's embrace. By May, the sunshine peaks at 14 hours, a duration maintained throughout June and July, allowing residents to fully enjoy the outdoor splendor of summer. As August arrives, daylight begins to wane, slipping back to 13 hours, and the trend continues into September with 12 hours, signaling the gradual onset of autumn. The decrease accelerates again in October and November, returning to 9 hours by December, closing the year's cycle much like it began—steeped in winter's early darkness. This rhythmic shift in daylight hours beautifully illustrates the changing seasons, inviting residents to engage with the unique offerings of each month.
In Castle Rock, United States, January ushers in the winter season with an average wind speed of 2.3 m/s (5 mph), a pace mirrored in February, indicating a calm start to the year. As spring approaches in March, the winds pick up slightly to 2.9 m/s (6 mph), showcasing a subtle increase that carries into April and May, where speeds stabilize at 2.7 m/s (6 mph). This consistent gentle breeze continues through the summer months, with July and August slipping back to 2.4 m/s (5 mph). Interestingly, September sees a retreat to January's calmness at 2.3 m/s (5 mph), before winds strengthen again in October at 2.6 m/s (6 mph), leading into a brisk December that ends the year with an uptick to 2.8 m/s (6 mph). Overall, the wind dynamics in Castle Rock illustrate a gentle flow that transitions through the seasons, reflecting a stable atmospheric rhythm.
The weather in Castle Rock 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 Castle Rock and find detailed weather information for every month.
In January, the weather is characterized by a milder average temperature of -3°C (27°F), with minimum temperatures dipping to -26°C (-15°F) and maximums reaching 17°C (62°F). Precipitation is relatively low at 17 mm (0.7 in) over just three days, and the humidity sits comfortably at 74%. In contrast, February presents slightly colder conditions, with a similar average temperature of -3°C (26°F) but an even lower minimum of -30°C (-22°F) and a max temperature of 22°C (72°F). This month sees increased precipitation at 22 mm (0.9 in) occurring over seven days, contributing to a slightly higher humidity level of 75%. For a detailed look at February weather, check out Castle Rock weather in February.
January and March present contrasting weather conditions, despite being only two months apart. In January, the temperatures typically range from a chilly minimum of -26°C (-15°F) to a max of 17°C (62°F), with an average around -3°C (27°F). Precipitation is relatively low, occurring only on three days and accumulating to 17 mm (0.7 in) with a higher humidity of 74%. In contrast, March demonstrates a significant warming trend, with a minimum temperature of -24°C (-10°F) and a maximum reaching 24°C (76°F), resulting in an average temperature of 2°C (36°F). Precipitation in March increases to 59 mm (2.3 in) spread over seven days, accompanied by lower humidity at 66%. For a detailed overview of March weather, visit Castle Rock weather in March.
In January, the weather is characterized by bitterly cold temperatures, with a minimum of -26°C (-15°F) and an average around -3°C (27°F), while occasional warmth allows for a maximum of 17°C (62°F). Precipitation is relatively low, at 17 mm (0.7 in) over just three days, and humidity lingers around 74%.
In contrast, April brings a noticeable shift, with minimum temperatures of -18°C (0°F) and an average of 6°C (43°F), leading to warmer highs that can reach 27°C (82°F). Precipitation increases significantly to 42 mm (1.7 in) over nine days, and humidity decreases to a more comfortable 62%. For those interested in more details, you can check out Castle Rock weather in April. Overall, the transition from January's deep freeze to April's milder conditions highlights the significant changes in weather as spring approaches.
January and May present stark contrasts in weather conditions. In January, temperatures range from a frigid minimum of -26°C (-15°F) to a maximum of 17°C (62°F), with an average temperature of -3°C (27°F). The month experiences minimal precipitation, totaling just 17 mm (0.7 in) over three days, while the humidity remains relatively high at 74%.
In contrast, May brings a much milder climate, with temperatures ranging from a minimum of -8°C (17°F) to a cozy maximum of 31°C (88°F) and an average of 11°C (53°F). However, it is also significantly wetter, with a total precipitation of 87 mm (3.4 in) spread over 14 days, while maintaining the same humidity level of 74%.
For more detailed information about the weather in May, visit Castle Rock weather in May.
January and June present stark contrasts in weather. In January, temperatures can plummet to a frigid minimum of -26°C (-15°F), with an average of -3°C (27°F) and a maximum reaching 17°C (62°F). The month sees only 17 mm (0.7 in) of precipitation over three days, accompanied by a humidity level of 74%. In contrast, June experiences much milder temperatures, with a minimum of 2°C (35°F), an average of 18°C (65°F), and a maximum soaring up to 35°C (96°F). Rainfall increases significantly to 45 mm (1.8 in) over eight days, while humidity remains slightly higher at 76%. For more details on weather specifics during this month, you can check out Castle Rock weather in June.
January and July present a stark contrast in weather conditions. In January, temperatures can plunge as low as -26°C (-15°F), with an average of -3°C (27°F) and occasional highs reaching 17°C (62°F). The month sees light precipitation at 17 mm (0.7 in) over just three days, accompanied by a relatively high humidity of 74%. Conversely, July experiences a more temperate climate with minimum temperatures around 8°C (47°F), average highs of 21°C (70°F), and peaks soaring up to 35°C (95°F). Precipitation is more frequent in July, totaling 59 mm (2.3 in) across 11 days, while humidity remains steady at 75%. For a detailed look at July weather patterns, check Castle Rock weather in July.
January and August in Castle Rock present stark contrasts in weather patterns. In January, temperatures can plummet to a minimum of -26°C (-15°F), with an average temperature of -3°C (27°F). The month experiences limited precipitation, totaling just 17 mm (0.7 in) over three days, while humidity rests at a relatively high 74%. In sharp contrast, August offers a much warmer climate, showcasing a minimum temperature of 7°C (45°F), an average of 20°C (68°F), and a maximum of 33°C (92°F). During this summer month, precipitation increases to 42 mm (1.6 in) over nine days, accompanied by a rise in humidity to 80%. For more details, check out Castle Rock weather in August.
In January, the weather is markedly colder, with temperatures ranging from a frigid -26°C (-15°F) to a milder 17°C (62°F), averaging around -3°C (27°F). The month experiences low precipitation of 17 mm (0.7 in) over just three days, coupled with a humidity level of 74%. In contrast, September brings a significant temperature increase, with temperatures varying from a minimum of -4°C (26°F) to a maximum of 33°C (92°F), averaging 17°C (62°F). This month sees increased precipitation at 34 mm (1.3 in) over six days and a slightly higher humidity level at 79%. For more details on September's weather, you can check Castle Rock weather in September.
January and October present starkly different weather conditions. In January, temperatures can plummet to a minimum of -26°C (-15°F), with an average of -3°C (27°F) and a maximum reaching 17°C (62°F). The month typically sees low precipitation of 17 mm (0.7 in) over just 3 days, while humidity hovers around 74%. In contrast, October features slightly milder temperatures, with a minimum of -23°C (-9°F) and averages peaking at 8°C (46°F), though the maximum can soar to 28°C (83°F). Precipitation is more frequent, totaling 33 mm (1.3 in) across 6 days, accompanied by a slightly higher humidity level of 77%. For more details, check out Castle Rock weather in October.
When comparing January and November weather, January tends to be colder overall, with average temperatures around -3°C (27°F) and a maximum of 17°C (62°F), whereas November has a slightly warmer average of 2°C (37°F) and can reach up to 24°C (75°F). Despite both months having similar humidity levels at 74%, January experiences less precipitation, totaling 17 mm (0.7 in) over about three days, compared to November's 20 mm (0.8 in) across four days. For a more detailed look at November weather patterns, check out Castle Rock weather in November.
January and December exhibit notable differences in temperature and humidity, despite both months experiencing comparable precipitation days. In January, temperatures range from a minimum of -26°C (-15°F) to a maximum of 17°C (62°F), with an average of -3°C (27°F) and a humidity level of 74%. In contrast, December has slightly milder temperatures, with minimums of -21°C (-5°F) and maximums reaching 21°C (70°F), averaging -1°C (30°F), though it does have a higher humidity of 80%. Overall, January tends to be colder than December, while both months receive similar precipitation levels, with January slightly wetter at 17 mm (0.7 in) compared to December's 9 mm (0.4 in). For a closer look at December weather specifics, you can refer to Castle Rock weather in December.
January in Castle Rock presents a striking contrast to other months, characterized by its chilly temperatures and notable humidity levels. With average temperatures hovering well below freezing, this month can feel particularly brisk, inviting cozy indoor activities as residents and visitors embrace the winter season. Despite the low temperatures, only a modest amount of precipitation falls, making January one of the drier months in the year. For those keen to explore the seasonal beauty of Castle Rock, it’s essential to bundle up and prepare for the unique charm that winter brings. Explore more about what to expect throughout the year with Castle Rock Climate.