Last updated: February 24, 2025
In December, Wellfleet, United States, experiences a chilly yet captivating winter ambiance. The average temperature hovers around 5°C (41°F), with maximums reaching up to 15°C (60°F) and dipping as low as -10°C (15°F). Rainy days are common, with approximately 138 mm (5.4 in) of precipitation spread over 13 days, contributing to the town's lush, seasonal beauty. The humidity remains high at 80%, creating a crisp, invigorating air that defines this picturesque coastal escape during the winter months.
In December, Wellfleet, United States, experiences a noticeable shift towards winter, with temperatures showcasing a chillier disposition. The month begins with minimum temperatures dipping to -10°C (15°F), while the average hovers around 5°C (41°F), indicating a persistent cold that dominates the landscape. Maximum temperatures reach a modest 15°C (60°F), suggesting that warmer days are becoming scarce. This trend marks a gradual transition from the milder autumn temperatures of November, where averages were nearly 9°C (48°F), to the harsher realities of winter. As the year draws to a close, residents and visitors alike brace for the colder days ahead, enveloped in the serene beauty that this season brings to Wellfleet.
December in Wellfleet brings a noticeable uptick in precipitation, with an average of 138 mm (5.4 in), marking it as one of the wetter months of the year. This increase corresponds with 13 rainy days, the highest number of precipitation days recorded for any month. Following the trend of rising rainfall leading into winter, December's wet weather is reminiscent of the more significant downpours seen in October, which boasts the highest total at 161 mm (6.3 in). The transition from the fall months to December shows a consistent pattern of increased moisture, preparing the landscape for the winter ahead while providing a serene backdrop of nature’s dormancy.
In December, Wellfleet experiences elevated humidity levels, averaging around 80%, which marks a return to the higher figures seen earlier in the year. Following a steady decline from the spring months, where humidity peaked at 79% in April, the transition into winter brings about a slight uptick in moisture. This seasonal pattern continues from November, where humidity also held at 80%, suggesting a trend of stabilization as the colder months set in. Notably, December's figures closely mirror those of its predecessor, hinting at a consistent winter atmosphere that envelops this charming coastal town.
In Wellfleet, Massachusetts, December marks a notable shift in the UV Index, dropping to a low level of 2, which allows for a more leisurely outdoor experience without the intense sun exposure seen in the summer months. With a burn time of 45 minutes, this month provides ample opportunity to enjoy winter activities while minimizing skin damage risks. The UV Index in Wellfleet follows a clear seasonal trend: it peaks rapidly from March through September, escalating to 10 in June before tapering off as winter approaches. This cyclical pattern highlights the importance of adjusting sun protection strategies throughout the year. For more detailed information on UV levels, visit Wellfleet UV Index.
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In Wellfleet, December sets a serene backdrop, marking the transition to winter with 159 hours of sunshine. Though the days are shorter than the vibrant summer months, which boast up to 339 hours of glorious sunlight in July, the soft winter light creates a unique charm. As the year progresses, one can see a gradual ascent in sunshine starting from 136 hours in January, peaking in the vibrant warmth of June and July, before gently tapering off into the crispness of December. This ebb and flow of sunlight not only highlights Wellfleet's seasonal beauty but also invites locals and visitors alike to relish in the tranquil ambiance of the town, where even a modest December glow can inspire warmth and cheer.
In Wellfleet, December's weather exhibits a marked shift towards the gloomier side of the spectrum, with a meager 26% chance of sunshine. This is notably the lowest likelihood of sunny days when compared to other months throughout the year. As we move from the brighter March, boasting a 54% chance of sun, through the relatively variable late summer and autumn months, December stands out as a time when overcast skies prevail. This trend reflects the transition into winter, leaving residents and visitors alike to brace for the region's characteristic chill and gray days, making the rare glimpses of sunlight all the more precious.
In Wellfleet, the daylight duration experiences a rhythmic evolution throughout the year, reflecting the dance of the seasons. December brings with it a return to the shorter days of winter, with only 9 hours of daylight, mirroring the fading twilight of November. This month stands at one of the year's low points, a stark contrast to the longest days of summer, where June boasts an impressive 15 hours of daylight. As the year unfolds, January continues the trend of limited light, holding steady at 9 hours, before gradual increases commence in the spring months. It's a captivating cycle, where each month's light serves as a reminder of nature's rhythm, leading towards the bright promise of springtime renewal.
As December arrives in Wellfleet, the winds pick up slightly with an average speed of 7.8 m/s (18 mph), marking a notable shift from the calmer summer months. Following a gradual decline through the warmer season, where July and August recorded their lowest averages of 5.5 m/s (12 mph) and 5.1 m/s (11 mph) respectively, the wind begins to reclaim its strength as autumn fades. This rise in speed is part of a seasonal trend, returning to levels comparable to those seen at the start of the year. December’s brisk gusts not only signal the arrival of winter but also invite a refreshing vigor that contrasts sharply with the gentle breezes of summer, reminding locals and visitors alike of Wellfleet's dynamic coastal climate.
The weather in Wellfleet 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 Wellfleet and find detailed weather information for every month.
In December, temperatures range from a chilly minimum of -10°C (15°F) to a pleasant maximum of 15°C (60°F), with an average of 5°C (41°F), while January sees slightly colder temperatures, dipping to a minimum of -12°C (11°F) and an average of 2°C (37°F). December experiences more precipitation, totaling 138 mm (5.4 in) over 13 days, compared to January's 95 mm (3.7 in) over 11 days. Despite the drop in precipitation, January’s humidity remains relatively high at 84%, slightly higher than December's 80%. For more detailed weather information, you can check Wellfleet weather in January.
December and February weather exhibit some similarities and differences. In December, temperatures range from a minimum of -10°C (15°F) to a maximum of 15°C (60°F), with an average of 5°C (41°F). The month experiences 138 mm (5.4 in) of precipitation over 13 days, with humidity sitting at 80%. In contrast, February is slightly colder, with minimum temperatures dropping to -11°C (13°F) and a maximum of 12°C (53°F), averaging 2°C (37°F). Precipitation decreases to 117 mm (4.6 in) over 12 days, and humidity rises slightly to 84%. For a closer look at the weather in February, you can check Wellfleet weather in February.
In comparing the weather of December and March, we see some notable differences and similarities. December typically presents colder temperatures with a minimum of -10°C (15°F) and an average of 5°C (41°F), while March starts to show signs of warming with a minimum of -8°C (17°F) and an average of 3°C (38°F). Both months experience considerable precipitation, with December receiving about 138 mm (5.4 in) over 13 days, compared to March's 119 mm (4.7 in) spread over 11 days. Interestingly, humidity levels remain similar, with December at 80% and March slightly higher at 82%. For more detailed insights into the weather during this transitional period, check out Wellfleet weather in March.
December and April present contrasting weather conditions. In December, temperatures can drop to a minimum of -10°C (15°F), with an average of 5°C (41°F) and a maximum of 15°C (60°F). The month is characterized by higher precipitation, totaling 138 mm (5.4 in) over about 13 days, and humidity reaches around 80%. In contrast, April typically sees milder conditions with a minimum of 0°C (33°F), an average of 7°C (44°F), and a maximum of 14°C (58°F). Precipitation is slightly lower at 130 mm (5.1 in) across 12 days, and humidity is similar at 79%. For more details on April weather, check out Wellfleet weather in April.
December and May present notably different weather patterns. In December, temperatures can plunge to a minimum of -10°C (15°F), with an average temperature of 5°C (41°F) and a maximum that reaches 15°C (60°F). This month also sees higher precipitation, averaging 138 mm (5.4 in) over 13 days, combined with a humidity level of 80%. In contrast, May offers milder conditions with minimum temperatures around 4°C (40°F), an average of 11°C (51°F), and a maximum of 18°C (65°F). The month brings less precipitation, averaging 106 mm (4.2 in) over only 11 days, along with a lower humidity of 75%. For more specific details about spring weather, check out Wellfleet weather in May.
December and June present contrasting weather patterns, reflecting the seasonal shift. In December, temperatures can plunge to a minimum of -10°C (15°F) and reach an average of 5°C (41°F), while maximum temperatures can go up to 15°C (60°F). This month also experiences higher average humidity at around 80%, accompanied by significant precipitation of 138 mm (5.4 in) over approximately 13 days. In stark contrast, June enjoys milder temperatures with a minimum of 10°C (50°F) and an average of 16°C (61°F), peaking at 23°C (73°F). Precipitation is lower in June, totaling 88 mm (3.5 in) over about 10 days, and the humidity is slightly less at 78%. For a more detailed view of June weather in Wellfleet, check this link: Wellfleet weather in June.
In December, the weather is notably colder, with temperatures ranging from a minimum of -10°C (15°F) to a maximum of 15°C (60°F) and an average of around 5°C (41°F). This month experiences significant precipitation, totaling 138 mm (5.4 in) over approximately 13 days, accompanied by high humidity at 80%. In contrast, July offers a much milder climate, with temperatures ranging from a minimum of 16°C (60°F) to a comfortable maximum of 26°C (79°F) and an average temperature of 20°C (69°F). The precipitation in July is lighter, at 84 mm (3.3 in) over just 8 days, and humidity sits slightly lower at 76%. For more specific details about July weather, you can check this link: Wellfleet weather in July.
When comparing the weather in December and August, the contrasts are striking. December sees much cooler temperatures, with minimums dropping to -10°C (15°F) and a maximum reaching only 15°C (60°F), while August boasts a much milder climate, with minimum temperatures around 16°C (61°F) and maximums peaking at 26°C (79°F). Precipitation levels also differ significantly; December experiences more rainfall, with 138 mm (5.4 in) across 13 days, compared to August's 74 mm (2.9 in) over just 7 days. Humidity levels are slightly higher in December at 80%, whereas August maintains a comfortable 76%. For more details on August weather specifically, check out Wellfleet weather in August.
December and September exhibit contrasting weather patterns, highlighting the shift from the warmth of late summer to the chill of winter. In December, temperatures can plummet as low as -10°C (15°F), with an average of 5°C (41°F) and a maximum reaching 15°C (60°F), while September enjoys milder conditions, with minimum temperatures around 13°C (56°F), averaging 19°C (66°F), and maximums up to 24°C (76°F). Additionally, December experiences more precipitation, totaling 138 mm (5.4 in) over 13 days, compared to September's 110 mm (4.3 in) over just 10 days. Humidity is also higher in December at 80%, compared to 75% in September. For more details on September weather in Wellfleet, refer to Wellfleet weather in September.
In comparing the weather of December and October, significant differences in temperature and precipitation are evident. October enjoys milder temperatures, with an average of 15°C (58°F) and maximums reaching up to 21°C (70°F), while December sees a drop with average temperatures around 5°C (41°F) and maximums only reaching 15°C (60°F). Additionally, both months experience considerable precipitation, with October receiving 161 mm (6.3 in) over 11 days, slightly more than December's 138 mm (5.4 in) spread over 13 days. Although December is colder, it also brings higher humidity at 80%, compared to October's 75%. For more details, you can explore Wellfleet weather in October.
When comparing the weather in November and December, December tends to be colder, with average temperatures ranging from a minimum of -10°C (15°F) to a maximum of 15°C (60°F). In contrast, November generally experiences milder temperatures, with lows around -7°C (20°F) and highs reaching up to 18°C (65°F). Additionally, December sees increased precipitation levels of 138 mm (5.4 in) over 13 days, compared to November's 105 mm (4.2 in) over 12 days. Despite both months having a humidity level of 80%, December's colder temperatures and higher precipitation create a distinctly different weather experience. For more detailed information, check out Wellfleet weather in November.
As December settles in, Wellfleet transforms into a winter wonderland, presenting a notable contrast to the milder months that precede it. With temperatures dipping significantly, the crisp air brings a refreshing chill, often accompanied by increased precipitation that leads to a cozy, overcast atmosphere. The humidity remains high, enveloping the town in a misty calm that is characteristic of the season. This combination of cooler temperatures and frequent rain sets December apart, inviting locals and visitors alike to enjoy the unique charm of the winter landscape. To delve deeper into the broader climatic patterns of Wellfleet, explore Wellfleet Climate.