Last updated: February 24, 2025
December in Leavenworth, United States, presents a chilly atmosphere characterized by an average temperature around -3°C (27°F), with maximums peaking at 11°C (52°F) and plunging to a minimum of -22°C (-6°F). This winter month sees significant precipitation totaling 151 mm (5.9 in) over approximately 18 days, contributing to a damp, humid environment with humidity levels averaging around 88%. The combination of cold temperatures and frequent moisture creates a picturesque winter landscape, perfect for seasonal festivities and outdoor activities.
In December, Leavenworth, United States, experiences a significant drop in temperatures, marking one of the coldest months of the year. With minimums plummeting to -22°C (-6°F) and average temperatures resting around -3°C (27°F), the chill is palpable. However, despite the frigid conditions, daytime highs can reach up to 11°C (52°F), providing brief respites from the frost. This transition to winter is a stark contrast to the warmer months, as temperatures steadily decline from the autumn highs. While the landscape transforms into a winter wonderland, the chilly air encourages a cozy ambiance, perfect for enjoying festive holiday activities.
In Leavenworth, December marks a significant uptick in precipitation, with an average of 151 mm (5.9 in), matching February as the wettest month of the year. This increase is accompanied by 18 precipitation days, suggesting that winter is fully underway and steady moisture is a hallmark of the season. The transition from the drier summer months, which see minimal rainfall, to this wetter winter period highlights a notable shift in the region’s climate patterns. Notably, as the year closes, December’s precipitation stands in stark contrast to the parched July and August, where just 6 mm (0.2 in) fell across a mere 1-2 days. Overall, December serves as a reminder of Leavenworth’s unique weather dynamics, ushering in the winter season with consistent and significant rainfall.
In December, Leavenworth experiences a significant drop in humidity, settling at 88%, just a slight decrease from the 89% recorded in November. This winter month retains high humidity levels, consistent with the preceding colder months, where figures hover around 86% to 89% between January and November. As the year progresses, the trend reveals a gradual decline in humidity from the summer peak of 79% in July to the drier months of August and September, where humidity dips to 63% and 62%, respectively. Overall, December's humidity, while slightly lower than November's, still reflects the high moisture levels characteristic of Leavenworth's winter season, hinting at the chill and potential precipitation that accompany this time of year.
As December rolls into Leavenworth, the UV Index dips to a mild 2, placing it in the low exposure category. Residents and visitors can confidently enjoy outdoor activities with a burn time of 45 minutes, which offers ample time to bask in the winter sun without concern. This trend marks a significant decrease from the very high levels experienced in the summer months, showcasing a clear seasonal shift in UV intensity. Overall, as the year progresses, the UV Index in Leavenworth demonstrates a predictable pattern—with elevated readings during the sun-soaked summer, while the winter months like December bring a welcome reprieve. For more detailed information on UV levels, visit Leavenworth UV Index.
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In Leavenworth, Washington, the December days are marked by a gentle retreat of sunlight, as the month records just 103 hours of sunshine. This decrease is a transition from the peak brilliance of July, which basks in an impressive 410 hours, showcasing the seasonal shift from summer's long, bright days to winter's shorter, subdued ones. As the year progresses, sunshine begins to dwindle, with November bringing a modest 135 hours before December’s further decline. This trend highlights the rhythm of the seasons where each month builds upon the last, leading to the serene, yet overcast charm that characterizes Leavenworth in December. The contrast between the high summer peaks and winter's softer light encapsulates the beauty of this picturesque locale throughout the year.
As December descends upon Leavenworth, the chances of sunny weather significantly diminish, with only 11% likelihood of sunshine. This trend reflects a gradual decline in sunlight during the final months of the year, following a slight uptick in November at 18%. In stark contrast, summer months like July boast a robust 79% chance of sun, while spring offers more promising prospects with April reaching 53%. As winter approaches, residents and visitors can expect the skies to darken, making clear, sunny days a rare treat amidst the cozy backdrop of the holiday season.
In Leavenworth, United States, December brings about a familiar return to shorter days, with only 8 hours of daylight to greet residents. This month mirrors January's brevity, marking a notable low point in the annual daylight cycle. As the seasons progress from winter to spring, daylight gradually increases, peaking in the balmy days of May and June, where it stretches to a generous 15 hours. The subsequent months see a gentle decline, showcasing the rhythmic ebb and flow of light throughout the year. While December's limited sunlight may feel somber, it serves as a precursor to the lengthening days ahead, igniting anticipation for the brighter months that follow.
As December wraps Leavenworth in its festive embrace, the average wind speed gently tapers to 1.6 m/s (4 mph), reflecting the calm that descends with winter. This slight decrease continues a trend evident throughout the colder months, where wind speeds hover lower than in the vibrant summer and early fall periods. Notably, the wind picks up slightly during the warmer months, peaking at 2.6 m/s (6 mph) in July, only to gradually settle into the serene stillness that December brings. The overall pattern showcases a clear transition from the breezy highs of summer to the tranquil, crisp air of winter, making this picturesque town a perfect spot to enjoy the serene landscapes while sipping on hot cocoa.
The weather in Leavenworth 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 Leavenworth and find detailed weather information for every month.
In December, temperatures in Leavenworth range from a minimum of -22°C (-6°F) to a maximum of 11°C (52°F), with an average of -3°C (27°F). The month experiences 151 mm (5.9 in) of precipitation over 18 days, coupled with relatively high humidity at 88%. In contrast, January sees slightly milder conditions, with minimum temperatures of -21°C (-6°F) and a maximum of 5°C (42°F), leading to an average temperature of -3°C (26°F). Precipitation levels decrease slightly to 144 mm (5.7 in) over 16 days, and humidity drops to 86%. For more detailed information, you can check Leavenworth weather in January.
In December, temperatures can plummet to a minimum of -22°C (-6°F), with an average of -3°C (27°F) and a maximum reaching 11°C (52°F). The month experiences significant precipitation, totaling 151 mm (5.9 in) over 18 days, combined with high humidity levels of 88%. In contrast, February offers a similar temperature range, with a minimum of -21°C (-5°F), an average of -3°C (26°F), and a slightly lower maximum of 7°C (46°F). The precipitation remains consistent at 151 mm (6.0 in) over 18 days, but the humidity dips to 86%. Overall, both months exhibit cold weather with notable precipitation, but February tends to be slightly milder with lower humidity. For more details about February’s weather, you can check Leavenworth weather in February.
In December, temperatures can drop significantly, with lows reaching -22°C (-6°F) and an average around -3°C (27°F), while the maximum temperature rarely exceeds 11°C (52°F). Precipitation is fairly high at 151 mm (5.9 in) over approximately 18 days, contributing to a humid environment with an 88% humidity level. In contrast, March sees a mild improvement in temperatures, with minimums around -14°C (8°F) and an average of 0°C (33°F). The maximum temperature can rise to 15°C (60°F). Precipitation decreases to 86 mm (3.4 in) over about 15 days, and humidity remains relatively stable at 87%. For a more detailed look at the weather during March, you can visit Leavenworth weather in March.
When comparing the weather in December and April, it's clear that December is significantly colder, with average temperatures hovering around -3°C (27°F) compared to April's warmer average of 4°C (39°F). December experiences more extreme lows, reaching as low as -22°C (-6°F), while April's temperatures only drop to a minimum of -11°C (12°F). Additionally, December sees higher precipitation levels at 151 mm (5.9 in) over 18 days, in contrast to April's 72 mm (2.8 in) across 13 days. April also has slightly lower humidity at 84%, compared to December's 88%, making it feel a bit less damp. For more detailed information about April weather, you can check out Leavenworth weather in April.
December and May present stark contrasts in weather conditions. In December, temperatures can plummet as low as -22°C (-6°F), with an average around -3°C (27°F) and a maximum of 11°C (52°F). The month is characterized by substantial precipitation, totaling 151 mm (5.9 in) over 18 days, coupled with high humidity at 88%. In contrast, May sees more moderate temperatures, with a minimum of -3°C (27°F), an average of 9°C (49°F), and a maximum reaching 26°C (79°F). Precipitation decreases significantly to 48 mm (1.9 in) over just 10 days, and humidity levels are slightly lower at 81%. For more detailed insights, you can check Leavenworth weather in May.
December and June present a stark contrast in weather patterns. In December, temperatures can plunge to a chilling minimum of -22°C (-6°F), with an average temperature around -3°C (27°F) and a maximum of 11°C (52°F). This month also experiences significant precipitation, averaging 151 mm (5.9 in) over 18 days, coupled with high humidity at 88%. In contrast, June boasts far milder temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 37°C (98°F), with an average of 12°C (55°F). Additionally, June is much drier, with only 31 mm (1.2 in) of precipitation over just 8 days and a slightly lower humidity level at 82%. For more details on the unique climate of this region during June, check out Leavenworth weather in June.
December and July present stark contrasts in weather conditions. In December, temperatures can plummet to a minimum of -22°C (-6°F) and average around -3°C (27°F), with a maximum of 11°C (52°F). This cold month also witnesses significant precipitation, averaging 151 mm (5.9 in) over 18 days, along with high humidity levels of 88%. In sharp contrast, July offers a much milder climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 32°C (91°F), and an average of 16°C (61°F). This summer month experiences very little rain, with just 6 mm (0.2 in) over 2 days and a lower humidity of 79%. For more detailed insights into July weather, check out Leavenworth weather in July.
December and August present contrasting weather patterns. In December, temperatures plummet with a minimum of -22°C (-6°F) and an average around -3°C (27°F), while highs only reach up to 11°C (52°F). The month also experiences significant precipitation with 151 mm (5.9 in) spread over 18 days, contributing to a high humidity level of 88%. In stark contrast, August boasts much milder weather, featuring a minimum temperature of 2°C (36°F) and an average of 17°C (62°F), with highs soaring to 34°C (93°F). Precipitation in August is sparse, totaling only 6 mm (0.2 in) over just one day and a noticeably lower humidity of 63%. For more detailed insights, check out Leavenworth weather in August.
December and September present significantly contrasting weather conditions. In December, temperatures can plummet to a minimum of -22°C (-6°F), with an average of -3°C (27°F) and a maximum of 11°C (52°F). This month also features high humidity at 88% and extensive precipitation, totaling 151 mm (5.9 in) over approximately 18 days. In stark contrast, September enjoys more moderate temperatures, with a minimum of -3°C (27°F), an average of 12°C (54°F), and a peak reaching 31°C (88°F). The precipitation in September is much lighter, at 47 mm (1.9 in) over about 8 days, accompanied by lower humidity at 62%. For a more detailed look at September's climate, you can visit Leavenworth weather in September.
When comparing the weather in December and October, it's clear that December is notably colder, with temperatures ranging from a minimum of -22°C (-6°F) to a maximum of 11°C (52°F), contrasted with October's milder range of -11°C (12°F) to 22°C (72°F). Precipitation also differs, with December experiencing more rain, totaling 151 mm (5.9 in) over 18 days, compared to October's 102 mm (4.0 in) across just 12 days. Additionally, December has higher humidity at 88%, while October's humidity stands at 83%. For more details on October weather, you can visit Leavenworth weather in October.
December weather is significantly colder than November, with average temperatures dropping from 1°C (33°F) in November to -3°C (27°F) in December. The minimum temperature in December plummets to -22°C (-6°F), compared to -12°C (11°F) in November. Additionally, December experiences more precipitation, totaling 151 mm (5.9 in) over 18 days, while November has slightly less at 120 mm (4.7 in) across 16 days. Both months have high humidity levels, with December at 88% and November at 89%. For more detailed insights, check out Leavenworth weather in November.
As December blankets Leavenworth in winter's embrace, the weather takes a notable turn compared to the milder months that precede it. With temperatures dipping significantly, residents and visitors alike can expect an average chill that highlights the beauty of the season. Precipitation is also more frequent, with nearly half the month experiencing some form of moisture, adding to the enchanting winter landscape. The high humidity further intensifies the cold, creating a unique atmosphere that marks December as a distinct chapter in Leavenworth's climatic story. For a deeper understanding of how December fits into the broader weather patterns, explore Leavenworth Climate.