Last updated: February 24, 2025
In December, the Knik River region experiences a chilling transformation, with temperatures plummeting to a minimum of -26°C (-14°F) and an average of -8°C (17°F), making it a true winter wonderland. The month sees a maximum temperature of just 6°C (42°F), which, combined with a high humidity rate of 96%, creates a frosty atmosphere. Precipitation is notable, with 142 mm (5.6 in) falling across 19 days, often blanketing the landscape in snow and ice. This dynamic weather not only shapes the local ecosystem but also offers a stunning backdrop for winter activities and exploration.
December in the Knik River region ushers in a deep winter chill, with temperatures ranging from a biting minimum of -26°C (-14°F) to a relatively brisk maximum of 6°C (42°F). This month marks a slight reprieve from the severe cold of the previous month, where November's lows plummeted to -33°C (-27°F). The average temperature settles around -8°C (17°F), indicating a persistent frost yet a hint of warmth as the days progress. As the year draws to a close, the increasing max temperature suggests a gradual transition towards milder winter days, setting the stage for the cold yet stunning landscapes that characterize Knik River's winter scenery.
In December, Knik River experiences a notable surge in precipitation, recording 142 mm (5.6 in) of rain over 19 days. This marks a continuation of the wetter trend observed from October, where a significant 173 mm (6.8 in) began the season's peak. The month effectively bridges the transition from the drier fall months, such as November with 114 mm (4.5 in), to a more consistently wet winter pattern. While the frequency of rainy days remains high at 19, the combination of increased rainfall and substantial moisture sets the stage for a dynamic winter landscape in the region. The trends indicate a clear seasonal shift, where Knik River’s December weather becomes a vital part of the area's hydrological cycle, contributing to both the local ecosystem and water resources.
In Knik River, United States, December sees a humidity level of 96%, continuing the region's trend of high moisture as the year nears its end. The months leading up to December show a pattern of elevated humidity, particularly from June through August, where levels peak at 95% in June and surpass 100% in July. As autumn sets in, humidity remains consistently high, with November registering at 95%, which seamlessly transitions into December's slightly elevated average. This pattern highlights the area’s characteristic dampness during the colder months, presenting a lush and vibrant ecosystem nearly year-round.
December in Knik River, United States, features a low UV Index of 1, similar to the preceding months of January and February. This consistent reading indicates minimal sun exposure risk, with a burn time of 45 minutes—perfect for enjoying the outdoor beauty without the urgent need for sunscreen. As the year progresses towards summer, the UV Index rises sharply, peaking in July at 7, denoting a shift to high exposure levels. The trend illustrates a gradual lift from the low levels in winter to moderate and high levels in late spring and summer, emphasizing the importance of sun safety as days get longer and sunnier. For more detailed insights, visit Knik River UV Index.
UV Risk Categories
In Knik River, United States, December brings a significant drop in sunshine hours, with only 40 hours of daylight to enjoy. This contrasts sharply with the peak of summer, where June dazzles with an impressive 313 hours of sun. The trend throughout the year shows a gradual increase in sunlight from the dark winter months, peaking in mid-year, before tapering off as autumn arrives. December, clearly, marks a return to the subdued light reminiscent of January, when only 53 hours were recorded. This cyclical rhythm of daylight emphasizes the stark differences between the captivating, sun-soaked summer and the quiet, shadowy winter months in this beautiful region.
In Knik River, United States, the likelihood of sunny weather in December hovers at 24%, aligning with the trend of fluctuating sunshine chances throughout the year. As the months progress from winter into spring, we see a notable increase, with March reaching 39% and April peaking at 50%. However, December's sun probability mirrors the drier months, like October and June, which tend to dip significantly—October falling to just 14%. This pattern suggests that while December doesn’t offer robust sunshine, the promise of clearer skies becomes more likely as winter yields to spring. So, while you may not expect long stretches of sunlight in December, the gradual warming trend suggests brighter days ahead as the year progresses.
In Knik River, December ushers in a stark reduction in daylight, with only 5 hours of sunlit moments to be found. This decline is part of a broader trend that begins in the vibrant days of summer, when June boasts an impressive 19 hours of daylight. As the season transitions into fall, daylight diminishes gradually, dropping to 12 hours by September and further decreasing to 7 hours in November. The shift from the long, sun-drenched days of midsummer to the crisp, shorter days of winter illustrates the region's dynamic seasonal shifts. The approaching winter solstice serves as a reminder of nature’s cycles, emphasizing the contrast between the abundant light of summer and the quiet, reflective shorter days of December.
As December settles over the Knik River, the wind begins to whisper at an average speed of 1.8 m/s (4 mph), mirroring the slightly brisker currents felt in November. This marks a subtle uptick from the year’s lowest point in April, where winds barely breezed by at 1.4 m/s (3 mph). Interestingly, throughout the year, a general decline in wind speeds is observed from the higher January averages of 2.2 m/s (5 mph), suggesting that the winter months often bring more tranquil atmospheric conditions. However, as the cold sets in, December’s winds embrace a slight resurgence, hinting at impending winter storms, inviting both serenity and chill to the beautiful riverside landscape.
The weather in Knik River 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 Knik River and find detailed weather information for every month.
December and January present notably cold and harsh weather conditions, with January being the even chillier of the two months. In December, the average temperature hovers around -8°C (17°F), with minimum temperatures reaching down to -26°C (-14°F) and maximums peaking at 6°C (42°F). The month sees considerable precipitation of 142 mm (5.6 in) over 19 days, accompanied by high humidity levels of 96%. In contrast, January experiences lower temperatures, with an average of -12°C (11°F), and minimums dipping even further to -34°C (-28°F). While precipitation decreases to 80 mm (3.1 in) spread over just 12 days, the humidity remains high at 94%. For more detailed insights into the specific weather conditions, you can check out the Knik River weather in January.
In December, the weather is quite frigid, with minimum temperatures plummeting to -26°C (-14°F) and an average of -8°C (17°F). It experiences significant precipitation, totaling 142 mm (5.6 in) over 19 days, accompanied by high humidity at 96%. In contrast, February sees slightly milder conditions, with minimum temperatures around -25°C (-13°F) and an average of -10°C (15°F). Precipitation decreases to 74 mm (2.9 in) spread over 13 days, and humidity remains lower at 93%. For a closer look at specific conditions during this month, visit Knik River weather in February.
December and March exhibit several similarities and differences in weather conditions. In both months, temperatures remain quite low, with December presenting a range from -26°C (-14°F) to a peak of 6°C (42°F), while March typically sees temperatures from -25°C (-12°F) to a maximum of 8°C (46°F). Notably, March has slightly warmer average and maximum temperatures compared to December.
Precipitation is another key difference, as December experiences heavier rainfall totaling 142 mm (5.6 in) over 19 days, whereas March has significantly reduced precipitation of 72 mm (2.8 in) across 12 days. Additionally, humidity levels are higher in December at 96%, compared to 91% in March. For more detailed weather information for this time of year, you can check Knik River weather in March.
December and April exhibit striking differences in weather patterns. In December, temperatures plunge to a minimum of -26°C (-14°F), with an average of -8°C (17°F) and a maximum of just 6°C (42°F). The month is notably wet, featuring 142 mm (5.6 in) of precipitation over 19 days, coupled with a high humidity level of 96%. In contrast, April brings a milder climate, with minimum temperatures of -19°C (-1°F) and a more comfortable average of 0°C (33°F). The maximum temperature can reach 14°C (58°F), and precipitation decreases significantly to 54 mm (2.1 in) over just 10 days, with humidity at 85%. This transition signifies the gradual shift from the depths of winter to the early signs of spring. For a detailed look at the conditions you can expect, visit Knik River weather in April.
Comparing the weather in December and May reveals a striking contrast in temperature and conditions. In December, temperatures plunge to a minimum of -26°C (-14°F), averaging -8°C (17°F), and peaking at only 6°C (42°F). This month is characterized by high precipitation levels of 142 mm (5.6 in) over 19 days, coupled with an oppressive humidity of 96%. In stark contrast, May experiences significantly milder temperatures, with a minimum of -6°C (21°F) and an average of 5°C (42°F), soaring to a maximum of 19°C (66°F). May also sees less precipitation at 75 mm (2.9 in) over 14 days and a lower humidity of 88%. This transformation reflects the transition from the bitter cold of winter to the refreshing onset of spring. For more details on the conditions specific to May, you can check out Knik River weather in May.
December and June present stark contrasts in weather. In December, temperatures plummet with a minimum of -26°C (-14°F) and an average of -8°C (17°F), while June enjoys much milder conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 25°C (77°F). Precipitation is higher in December at 142 mm (5.6 in) over 19 days, compared to June's 83 mm (3.3 in) spread over 20 days. Humidity remains high in both months, at 96% in December and 95% in June, but the overall experience of June's warmth is a welcome relief after the frigid December climate. For more details on June weather conditions, check out Knik River weather in June.
December and July showcase stark contrasts in weather conditions. In December, temperatures can plummet as low as -26°C (-14°F) with an average of -8°C (17°F), while July offers a much milder climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 26°C (79°F). Precipitation is higher in December at 142 mm (5.6 in) compared to July's 89 mm (3.5 in), although December has slightly more rainy days (19) than July (16). Additionally, humidity levels reach a high 96% in December, while July experiences even greater humidity at 102%. For a detailed look at July conditions specifically, visit Knik River weather in July.
December and August present stark contrasts in weather conditions. December experiences frigid temperatures with a minimum of -26°C (-14°F) and an average of -8°C (17°F), while August boasts milder temperatures ranging from a minimum of 1°C (34°F) to a maximum of 23°C (74°F). Precipitation levels are fairly comparable, with December seeing 142 mm over 19 days and August recording 137 mm over 18 days. Notably, December's humidity is at a high 96%, whereas August reaches a complete saturation of 100%. For more specific insights into August weather, you can check out Knik River weather in August.
In December, the weather is significantly colder compared to September, with average temperatures ranging from a minimum of -26°C (-14°F) to a maximum of 6°C (42°F), while September enjoys milder conditions with temperatures from a minimum of -8°C (17°F) to a maximum of 18°C (65°F). Despite both months experiencing high humidity levels of 96%, December sees more precipitation, totaling 142 mm (5.6 in) over 19 days, slightly outweighing September’s 127 mm (5.0 in) over 18 days. This stark contrast highlights how the transition from September to December brings a dramatic chill and increased moisture in the air, making winter's onset palpable. For a more detailed look at September’s weather, you can visit Knik River weather in September.
In December, temperatures plunge significantly, with an average of -8°C (17°F) compared to October's milder average of 1°C (33°F). The maximum temperatures in December only reach up to 6°C (42°F), while October experiences a more comfortable maximum of 15°C (59°F). Precipitation levels are somewhat similar, with December receiving 142 mm (5.6 in) and October slightly higher at 173 mm (6.8 in), both spread over 19 days. Notably, December also sees increased humidity at 96%, compared to October's 91%. For more insights on October's weather, you can check the details here: Knik River weather in October.
In comparing the weather of December and November, December presents a slightly milder climate with average temperatures hovering around -8°C (17°F) compared to November's -9°C (17°F). Despite both months experiencing cold conditions, December boasts a higher maximum temperature of 6°C (42°F), while November peaks at 4°C (39°F). Precipitation levels are also higher in December, with 142 mm (5.6 in) falling over 19 days, whereas November sees 114 mm (4.5 in) across just 13 days. The humidity remains remarkably consistent, with December at 96% and November at 95%. For a more detailed look into November's conditions, you can visit Knik River weather in November.
As December settles in, the Knik River experiences a marked shift in weather compared to other months. With its temperatures dropping to an average of -8°C (17°F) and a chill that can plunge to -26°C (-14°F), this month is decidedly colder, inviting a frosty embrace that contrasts sharply with the milder months. Precipitation remains significant, with nearly 142 mm (5.6 in) falling over 19 days, creating a damp atmosphere complemented by a staggering humidity of 96%. While the cool air brings a serene beauty to the landscape, it’s the intriguing blend of frosty temperatures and frequent precipitation that sets December apart. For a deeper look at how the weather patterns evolve throughout the year, visit Knik River Climate.