Last updated: February 24, 2025
In December, Lancaster, United States experiences a notable dip in temperatures, with a maximum of 18°C (65°F) and a chilling minimum of -12°C (12°F). The month averages a brisk 3°C (39°F), making it essential for residents to bundle up. With 84% humidity, the air feels crisp, while precipitation totals around 96 mm (3.8 in) over 10 days of the month. This combination of cold temperatures and frequent moisture creates a unique winter atmosphere, perfect for cozy indoor activities and enjoying the holiday season.
In December, Lancaster, United States, experiences a notable drop in temperatures, contributing to its distinct winter charm. With minimums plunging to -12°C (12°F) and average temperatures hovering around 3°C (39°F), the month marks a transitional phase from the crisp autumn to the chill of winter. Daytime highs reaching up to 18°C (65°F) provide a brief respite, contrasting sharply with the colder nights. As the year winds down, residents can expect a mix of chilly days and milder spells, setting a cozy atmosphere perfect for holiday festivities.
In December, Lancaster experiences a notable balance in its precipitation patterns, with 96 mm (3.8 in) of rain falling over 10 days. This month slightly trails the wetter summer months, yet maintains a steady rhythm in moisture accumulation, suggesting a seamless transition into winter with consistent, albeit moderate, rainfall. As the year wraps up, December's precipitation hints at the region's climatic variability, contrasting with the drier spell of November, which recorded only 89 mm across 7 days. Overall, the month marks a continuation of the annual wetness trend, showcasing Lancaster's characteristic seasonal shifts.
In Lancaster, United States, December sees a return to elevated humidity levels, measuring at 84%. This figure highlights an intriguing trend as humidity remains relatively high during the winter months, especially following November’s peak of 85%. As the year progresses, a gradual decline is evident from the summer's drier months of 72% in August to 74% in July, with a subsequent rise as the colder months approach. The stabilization around 83% in both February and March reflects a consistent winter pattern, making December a month marked by a notable humidity resurgence, providing a crisp yet often damp atmosphere as the year draws to a close.
In December, Lancaster experiences a low UV Index of 2, signaling a significant drop in sun intensity as winter settles in. This means that residents enjoy a safer outdoor experience, with a much-extended burn time of 45 minutes, allowing for leisurely winter activities without the usual sunscreen worries. This decrease contrasts sharply with the previous summer months, where the UV Index consistently peaked at 10, prompting caution with just 15 minutes of exposure being potentially harmful. As we transition from the year’s high sun exposure periods in spring and summer, it’s refreshing to note the moderate levels in winter, allowing for a more relaxed approach to sun safety. For more insights and updates, visit Lancaster UV Index.
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In Lancaster, United States, December offers a refreshing break from the sun-soaked summer months, delivering a total of 179 hours of sunlight. While this represents a notable decline from the peak of 347 hours in July, it’s characteristic of the seasonal transition, as daylight dwindles in the winter landscape. Interestingly, the overall trend throughout the year reveals a gradual increase in sunshine from January's mere 134 hours to a robust 312 hours in June. Even as December closes the year, it still showcases a healthy amount of sunshine compared to the preceding months, maintaining more than 75% of the sunshine accessible in November. This ebb and flow of daylight illuminates Lancaster’s charm, as the winter sun casts a gentle glow over the festive season.
In December, Lancaster, United States, experiences a 33% chance of sunny weather, marking it as one of the lesser months for sunshine. Compared to the preceding November, which boasts a 54% likelihood, December's figures reflect a notable drop in clear skies. This trend of decreasing sun exposure continues through the winter months, following peaks in spring and early fall, with March topping the charts at a 53% chance. As the year wraps up, December’s modest sunshine potential aligns with the overall tendency for cooler months to be cloudier and less bright, setting the stage for a cozy winter ambiance.
As December arrives in Lancaster, the daylight duration settles at 9 hours, mirroring the shorter days of November. This period marks a noticeable dip compared to the longer hours enjoyed in the spring and summer months, where daylight stretched to a peak of 14 hours in June and July. The transition from 10 hours in February to 11 hours in March signals the gradual lengthening of days leading into spring, highlighting a natural rhythm that echoes throughout the year. As daylight recedes in the colder months, Lancaster residents experience the cozy embrace of winter, anticipating the return of longer days as the calendar flips into January.
As December arrives in Lancaster, the wind begins to whisper its cool, calming tales, averaging 3.0 m/s (7 mph). This month marks a slight dip from November's 3.1 m/s, but it retains a steady rhythm characteristic of the late autumn season. Over the year, we observe a gentle breeze enveloping Lancaster, with wind speeds gradually tapering off from March's peak of 3.6 m/s (8 mph). The trend reveals a consistent taper towards the summer months, where the warmth brings about lighter, more playful gusts, peaking in July and August at around 2.3 m/s and 2.1 m/s. As the year closes, the returning winds offer a sense of calm and nostalgia, inviting residents to cozy up indoors while listening to the soft serenade of the December wind.
The weather in Lancaster 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 Lancaster and find detailed weather information for every month.
December and January weather exhibit some notable differences. December features an average temperature of 3°C (39°F), with lows around -12°C (12°F) and highs reaching up to 18°C (65°F). In contrast, January is slightly colder, with an average temperature of 1°C (35°F), minimum temperatures dropping to -15°C (4°F), while maximums can still reach 19°C (66°F). Precipitation in December is higher at 96 mm (3.8 in) over approximately 10 days, compared to January's 62 mm (2.4 in) over 8 days. Both months maintain a consistent humidity level of 84%. For more details on January's conditions, you can visit Lancaster weather in January.
December and February present notable differences in weather patterns. December typically sees temperatures ranging from a minimum of -12°C (12°F) to a maximum of 18°C (65°F), with an average temperature of 3°C (39°F). The month is characterized by precipitation on about 10 days, totaling 96 mm (3.8 in) and accompanied by high humidity at 84%. In contrast, February introduces even colder minimum temperatures, dropping to -16°C (3°F), yet it can reach warmer maximums of 27°C (80°F), maintaining a similar average of around 3°C (38°F). February experiences slightly more precipitation, totaling 103 mm (4.0 in) over about 12 days, with humidity remaining relatively stable at 83%. For a more detailed look at the weather in February, you can visit Lancaster weather in February.
December and March present distinct weather characteristics, with December typically experiencing milder temperatures ranging from a minimum of -12°C (12°F) to a maximum of 18°C (65°F) and an average of 3°C (39°F). Precipitation during December totals 96 mm (3.8 in) over about 10 days, coupled with a high humidity level of 84%. In contrast, March showcases a slightly wider temperature range with a minimum of -16°C (3°F), an average of 6°C (43°F), and a maximum of 27°C (80°F). Precipitation in March is marginally higher at 102 mm (4.0 in) but occurs over the same number of days. Humidity levels in March remain comparable at 83%. For a more in-depth look at March weather, check out Lancaster weather in March.
In December, the weather is characterized by colder temperatures, with a minimum of -12°C (12°F) and an average of around 3°C (39°F), while occasionally peaking at 18°C (65°F). The month sees considerable precipitation, totaling 96 mm (3.8 in) over about 10 days, accompanied by relatively high humidity at 84%. In contrast, April ushers in milder conditions, featuring a minimum temperature of -2°C (28°F) and a significantly higher average of 12°C (54°F), peaking at 30°C (87°F). Although precipitation levels are similar, at 97 mm (3.8 in) over approximately 11 days, humidity is slightly lower at 81%. For more detailed information about April weather, you can check Lancaster weather in April.
December and May present stark contrasts in weather patterns. In December, temperatures can dip as low as -12°C (12°F), with an average of 3°C (39°F) and a maximum of 18°C (65°F), making it a chilly month. The precipitation level is moderate at 96 mm (3.8 in) over about 10 days, coupled with a high humidity of 84%, which can make the cold feel even more biting. In contrast, May showcases a more temperate climate, where temperatures range from a minimum of 1°C (34°F) to an average of 18°C (64°F), and peaking at a warm 34°C (93°F). The month sees a higher total precipitation of 128 mm (5.0 in) across approximately 14 days, but with a lower humidity level of 78%, creating a more comfortable atmosphere overall. For those interested in specifics about the weather during this spring month, you can find more details here: Lancaster weather in May.
December and June in Lancaster showcase stark contrasts in weather. December features chilly temperatures with a minimum of -12°C (12°F) and an average of 3°C (39°F), while June brings much warmer conditions with a minimum of 9°C (49°F) and an average of 23°C (73°F). Precipitation is quite similar, with December receiving 96 mm (3.8 in) over 10 days compared to June's 100 mm (3.9 in) over 12 days. Humidity is also noteworthy: December has a higher humidity level at 84%, while June’s humidity is slightly lower at 79%. For more detailed insights into June weather, visit Lancaster weather in June.
December and July present strikingly different weather patterns. In December, temperatures can drop as low as -12°C (12°F) and typically hover around an average of 3°C (39°F), peaking at 18°C (65°F). The month experiences significant precipitation, totaling 96 mm (3.8 in) over about 10 days, accompanied by relatively high humidity at 84%. In contrast, July boasts much warmer temperatures, with a minimum of 14°C (58°F) and an average of 26°C (78°F), reaching up to 36°C (97°F). Rainfall in July is slightly higher at 135 mm (5.3 in) across 13 days, yet the humidity is lower at 74%. For a more detailed look, you can explore Lancaster weather in July.
December and August present strikingly different weather patterns. In December, temperatures can drop as low as -12°C (12°F), with an average temperature of around 3°C (39°F) and highs reaching up to 18°C (65°F). This month experiences significant precipitation, averaging 96 mm (3.8 in) over approximately 10 days, alongside relatively high humidity levels at 84%. In contrast, August brings more warmth, with minimum temperatures around 13°C (56°F), average temperatures of 24°C (76°F), and maximum temperatures soaring to 35°C (95°F). Although it is the wettest month, with 138 mm (5.4 in) of rainfall over 15 days, the humidity is comparatively lower at 72%. For more detailed information, you can check Lancaster weather in August.
In December, temperatures can drop significantly, with a minimum reaching as low as -12°C (12°F) and an average of around 3°C (39°F), whereas September enjoys milder weather with lows of 5°C (42°F) and an average high of 21°C (70°F). While both months experience precipitation over about ten days, December sees slightly less at 96 mm (3.8 in) compared to September's 106 mm (4.2 in). Additionally, December's humidity is higher at 84%, creating a stark contrast to the drier, more comfortable feel of September, which has a humidity level of 75%. For a deeper look into September's weather specifics, you can visit Lancaster weather in September.
When comparing the weather in December to that of October, notable differences emerge. December experiences much colder temperatures, with a minimum of -12°C (12°F) and an average of 3°C (39°F), while October offers a milder range, with minimum temperatures around 2°C (36°F) and an average of 15°C (60°F). The maximum temperature in December is relatively moderate at 18°C (65°F), compared to a significantly warmer maximum of 34°C (93°F) in October. Both months receive similar amounts of precipitation, around 96 mm (3.8 in) in December and 99 mm (3.9 in) in October, along with comparable humidity levels of 84% and 81%, respectively. For more detailed insights into October weather, you can visit Lancaster weather in October.
In comparing the weather between November and December, December tends to be colder overall, with average temperatures ranging from a minimum of -12°C (12°F) to a maximum of 18°C (65°F), compared to November's range of -7°C (20°F) to 24°C (75°F). December also sees slightly more precipitation, measuring 96 mm (3.8 in) over 10 days, while November records 89 mm (3.5 in) over just 7 days. Humidity levels remain relatively high in both months, with December at 84% and November at 85%. For a detailed look at November's weather patterns, you can refer to Lancaster weather in November.
December in Lancaster presents a striking contrast to the milder months preceding it, with temperatures dipping significantly and a notable increase in precipitation. The chill in the air turns the landscape picturesque, while the higher humidity levels contribute to a cozy, wintry atmosphere. Unlike the more temperate fall, December welcomes the cold with an average of just 3°C, inviting residents to bundle up and embrace the season. For an in-depth understanding of how December compares to other months in Lancaster, check out the full details at Lancaster Climate.