Last updated: February 24, 2025
December in Barnstable, United States, brings a chill to the air with average temperatures lingering around 4°C (40°F), while the mercury treads between a maximum of 15°C (60°F) and a minimum of -12°C (11°F). This month is characterized by frequent precipitation, accumulating to about 136 mm (5.4 in) over 12 days, contributing to the area's lush winter landscape. With humidity levels at a soaring 80%, residents and visitors can expect a moist and brisk atmosphere, perfect for enjoying the seasonal charm of Barnstable.
As December unfolds in Barnstable, the chill of winter settles in, with temperatures typically ranging from a minimum of -12°C (11°F) to a maximum of 15°C (60°F). This month often marks a noticeable drop from the milder autumn temperatures, as the average hovers around 4°C (40°F). While the days may be crisp, occasional warmer spells can still invite moments of sunshine, hinting at the seasonal transition. Overall, December's weather in Barnstable is characterized by its refreshing coolness, setting the stage for cozy gatherings and winter festivities.
In December, Barnstable experiences a notable dip in temperature alongside a substantial increase in precipitation, totaling 136 mm (5.4 in) over 12 days. This marks a shift from the lighter rainfall observed in the summer months, where totals hovered between 82 mm (3.2 in) and 91 mm (3.6 in). As the year winds down, December's rainfall is comparable to the previous month, November, which sees 102 mm (4.0 in), yet it is significantly more than the drier summer average. The trend suggests a transition into a wetter season, as precipitation begins to ramp up in the fall and winter months, culminating in December's robust totals. With the increase in rainy days, residents are prepared for the holiday season amidst a backdrop of rich, often cloud-laden skies.
In December, Barnstable experiences a humidity level of 80%, consistent with the higher averages seen in the colder months. Following a slight drop from the peak 84% in January and February, the humidity gradually decreases throughout the spring, reaching a low of 75% in both May and October. As the year progresses into late autumn, humidity rises again, culminating in December's levels that mirror those of November. This trend highlights a noticeable pattern of increased moisture during the winter months, offering a reminder of the dependable coastal climate that characterizes Barnstable.
As we wrap up the year in Barnstable, December brings a low UV Index of 2, indicating a more relaxed approach to sun exposure with a burn time extending to 45 minutes. This marks a notable decline from the moderate levels of earlier months, such as November with its UV Index of 4. Following the intense summer months, like June and July, where the UV Index hit highs of 10 and 9, December offers a welcomed reprieve for sun seekers. Overall, the trend indicates a steady drop in UV intensity as winter sets in, making it an ideal time for longer outdoor activities without the added concern of sunburn. For more detailed information, explore the Barnstable UV Index.
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As December settles over Barnstable, the daylight hours begin to wane, offering a gentle contrast to the sun-drenched summer months. With 165 hours of sunshine, December marks a noticeable decline from the 346 hours basked in July, while reflecting a gradual decrease through the fall. Despite the lower levels, this month still holds onto its bright charm, illuminating the cozy winter atmosphere. Notably, the sunshine trend showcases the transition from the vibrant days of late spring and summer, peaking in June, to the more subdued but still inviting light of winter. As residents and visitors embrace the season, the sunlight in December provides a warm embrace amid the chill, reminding all that even in colder months, there is beauty in the glow of the sun.
In December, the sun does not often grace Barnstable, with a mere 28% chance of sunny days. This trend marks a noticeable dip compared to the preceding months; for instance, November offers a more hopeful 52%, while the spring months of March and April reach highs of 57% and 43%, respectively. As the year winds down, it’s evident that the likelihood of sun diminishes, reflecting the transition into winter. With the lower chances of sunshine in December, residents and visitors alike are encouraged to embrace the cozy charm of the season, as the landscape transforms under gray skies and the promise of snow.
As the year winds down, December in Barnstable ushers in a return to shorter days, mirroring the daylight duration seen in November with just 9 hours of sunlight. This seasonal trend highlights a gradual decrease in daylight from the longer, sun-filled days of June, which boasts a peak of 15 hours. Following this high, daylight gradually diminishes, shepherding in the cozy ambiance of winter. Interestingly, the transition from autumn to winter brings a leveling off, with both November and December sharing the same brief daylight hours. This rhythm of daylight serves as a natural reminder of the changing seasons, inviting residents to embrace the charm of the shorter days.
As December settles over Barnstable, the winds shift into a familiar rhythm, maintaining an average wind speed of 6.6 m/s (15 mph). This persistent breeze is emblematic of the seasonal transition, as it mirrors the wind patterns of late fall, which experienced only a slight increase to 6.7 m/s in November. Observing the year as a whole, it's clear that winter months tend to exhibit slightly higher wind speeds compared to the calmer summer days, with July and August registering their lows at 5.2 m/s and 4.8 m/s respectively. As we welcome winter, the winds in December invite a refreshing change, balancing warmth and chill, while setting the stage for the crisp realities of the months ahead.
The weather in Barnstable 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 Barnstable and find detailed weather information for every month.
In December, temperatures range from a minimum of -12°C (11°F) to a maximum of 15°C (60°F), with an average of 4°C (40°F) and notable precipitation totaling 136 mm (5.4 in) over 12 days. The humidity levels sit at around 80%, contributing to a brisk winter atmosphere. In contrast, January sees slightly colder conditions, with a minimum temperature of -14°C (6°F) and an average of 2°C (36°F), peaking at 13°C (55°F). Precipitation decreases to 94 mm (3.7 in) over 10 days, while humidity rises to 84%. Overall, January is characterized by a deeper chill, with less rainfall but slightly higher humidity compared to December. For more details, you can check Barnstable weather in January.
December and February both experience cold temperatures, with December having a slightly higher average temperature of 4°C (40°F) compared to February's average of 2°C (36°F). Both months share a minimum temperature of -12°C (11°F) for December and -12°C (10°F) for February, but the maximum temperature in December reaches up to 15°C (60°F), while February peaks at 11°C (53°F). Precipitation levels are relatively similar, with December receiving 136 mm (5.4 in) and February slightly less at 123 mm (4.8 in), although both months see precipitation on approximately 12 days. Additionally, February tends to be a bit more humid at 84%, compared to December's 80%. For more detailed insights, you can check out Barnstable weather in February.
In December, temperatures tend to be cooler, with a minimum of -12°C (11°F) and an average around 4°C (40°F), while March sees slightly milder conditions with a minimum of -9°C (16°F) and an average close to 3°C (38°F). Precipitation levels are slightly higher in December, totaling 136 mm (5.4 in) over 12 days, compared to March, which experiences 118 mm (4.7 in) over 10 days. Additionally, humidity levels are relatively high in both months, with December averaging 80% and March slightly higher at 82%. For more detailed information on March weather, you can visit Barnstable weather in March.
In December, the weather is marked by colder temperatures, ranging from a minimum of -12°C (11°F) to a maximum of 15°C (60°F), with an average temperature of 4°C (40°F). This month experiences significant precipitation, totaling 136 mm (5.4 in) over 12 days, accompanied by a high humidity level of 80%.
In contrast, April presents a milder climate, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 16°C (60°F) and an average of 7°C (46°F). Precipitation levels are slightly higher at 137 mm (5.4 in) across 13 days, while humidity remains similar at 79%.
For more details on what to expect, check out Barnstable weather in April.
December and May present contrasting weather experiences. In December, temperatures can dip as low as -12°C (11°F), with an average of 4°C (40°F) and a maximum reaching 15°C (60°F). The month is characterized by higher precipitation, totaling 136 mm (5.4 in) over about 12 days, along with a humidity level of 80%. In comparison, May offers a more temperate climate, with minimum temperatures of 5°C (41°F), an average of 12°C (53°F), and a pleasant maximum of 21°C (70°F). Although May sees slightly less precipitation at 119 mm (4.7 in) over the same number of days, humidity is lower at 75%. For more details about conditions in May, check out Barnstable weather in May.
In December, temperatures can be quite chilly, with minimums dipping down to -12°C (11°F) and an average of around 4°C (40°F), while highs reach up to 15°C (60°F). The month tends to be damp, with 136 mm (5.4 in) of precipitation over approximately 12 days and a humidity level of 80%. In contrast, June brings much warmer weather, with minimum temperatures of 10°C (51°F) and average highs of 24°C (76°F). Precipitation is lower, at 91 mm (3.6 in), occurring over just 10 days, and humidity remains relatively comfortable at 78%. For more details on the weather conditions in June, check out Barnstable weather in June.
In December, temperatures can drop as low as -12°C (11°F), with an average of 4°C (40°F) and a maximum reaching 15°C (60°F). The month is characterized by significant precipitation, totaling 136 mm (5.4 inches) over approximately 12 days, accompanied by high humidity levels of around 80%. In contrast, July boasts much warmer temperatures, with a minimum of 16°C (61°F), an average of 21°C (71°F), and highs reaching 29°C (84°F). Precipitation is lower in July, totaling 83 mm (3.3 inches) over just 9 days, and humidity levels are slightly reduced at 76%. For more details on July weather, you can check out Barnstable weather in July.
December and August present strikingly different weather patterns. In December, temperatures can drop as low as -12°C (11°F) and average around 4°C (40°F), with a maximum of 15°C (60°F). The month is characterized by high humidity at 80% and significant precipitation, totaling 136 mm (5.4 in) over approximately 12 days. In contrast, August boasts much warmer conditions, with minimum temperatures around 16°C (61°F) and averages reaching 22°C (72°F), peaking at 27°C (81°F). This summer month experiences less rainfall—82 mm (3.2 in) over just 8 days—and slightly lower humidity at 76%. For more details about August weather, you can view additional information here: Barnstable weather in August.
When comparing the weather in December and September, the differences are striking. December typically experiences colder temperatures, with averages around 4°C (40°F) and minimums dropping to -12°C (11°F), while September enjoys milder conditions with average temperatures of 19°C (67°F) and maximums reaching 25°C (78°F). Precipitation is slightly higher in December, totaling 136 mm (5.4 in) over 12 days, compared to September's 118 mm (4.7 in) spread over 10 days. Additionally, the humidity remains higher in December at 80%, compared to September's 75%, creating a distinct contrast in the overall feel of these two months. For more details, you can check Barnstable weather in September.
December and October present starkly different weather conditions. In December, temperatures range from a frigid minimum of -12°C (11°F) to a milder maximum of 15°C (60°F), with an average around 4°C (40°F). This month also sees high humidity levels at 80% and 136 mm (5.4 in) of precipitation over 12 days. In contrast, October boasts more moderate temperatures, with minimums around 4°C (39°F) and maximums reaching 22°C (72°F), averaging 15°C (59°F). Although October has a bit more precipitation at 175 mm (6.9 in) over the same number of days, its humidity is slightly lower at 75%. For a closer look at what to expect, you can check Barnstable weather in October.
In comparing the weather patterns of December and November, December generally experiences colder temperatures, with a minimum of -12°C (11°F) and an average of 4°C (40°F), whereas November has a milder minimum of -6°C (21°F) and an average temperature of 9°C (48°F). Additionally, December sees more precipitation, totaling 136 mm (5.4 in) over 12 days, compared to November's 102 mm (4.0 in) across 10 days. Despite both months having humidity levels around 80%, the increased precipitation and lower temperatures in December result in a distinctly chillier and wetter experience compared to the slightly warmer and less rainy November. For more detailed information, you can explore Barnstable weather in November.
In December, Barnstable experiences a notable shift in weather patterns, setting it apart from the milder fall months. With temperatures averaging a cool 4°C and dipping as low as -12°C, the month invites a brisk chill that heralds the arrival of winter. Precipitation becomes more frequent, with around 12 rainy days contributing to a total of 136 mm, making this month among the wetter times of the year. The humidity remains high at 80%, enhancing the winter's dampness. For those looking to understand Barnstable's climatic trends, December serves as a stark reminder of the season's chill, contrasting sharply with milder months. To explore more about the weather patterns throughout the year, visit Barnstable Climate.