Last updated: February 24, 2025
In December, Yarmouth experiences a crisp winter climate, with maximum temperatures reaching up to 15°C (60°F) and an average of 4°C (40°F). The month's chill is underscored by minimum temperatures dipping to -12°C (11°F). Predominantly, December sees a significant precipitation amount of 136 mm (5.4 in), spread over 12 days, making it a notably wet month. With humidity levels around 80%, the atmosphere can feel quite brisk, contributing to the typical seasonal charm of this coastal town. Whether you're enjoying the festive spirit or taking in the serene winter landscape, Yarmouth's December weather offers a unique experience.
In December, temperatures in Yarmouth, United States, start to cool significantly as winter settles in, with minimums dipping to -12°C (11°F) and average highs reaching only around 15°C (60°F). This month marks a noticeable transition from the milder temperatures of late fall, showcasing an average temperature of 4°C (40°F). As the year draws to a close, the contrast between the brisk, frosty mornings and relatively mild afternoons becomes evident, creating a distinct chill in the air that characterizes the season. The shift to cooler weather sets the stage for winter activities and festivities, inviting residents and visitors alike to embrace the charm of Yarmouth in December.
In December, Yarmouth experiences a notable increase in precipitation, accumulating 136 mm (5.4 in) over the month, which is slightly above the average seen earlier in the year. This uptick is complemented by an increase in the number of wet days, with 12 days marked by rainfall. Interestingly, December's precipitation levels position it among the wetter months of the year, reminiscent of the drier summer months like July and August. The trend suggests a transition into the winter season, with precipitation becoming more consistent and frequent, paving the way for a frosty New Year ahead. Overall, December in Yarmouth wraps up the year with a robust slate of rainfall, setting a dramatic backdrop for the colder months to follow.
December in Yarmouth, United States, sees a humidity level of 80%, maintaining a pattern that mirrors the preceding month of November. As the year progresses, humidity levels generally exhibit a gradual decline from a high of 84% in both January and February, down to their lowest point of 75% in the warmer months of May through October. This demonstrates a noticeable transition as the seasons shift, with Yarmouth experiencing a moderate yet consistent humidity that peaks during the colder months and dips slightly during the summer. Overall, December’s humidity marks a return to the higher levels typical of late fall, creating a cool and moist atmosphere as winter approaches.
In December, Yarmouth experiences a noticeable drop in the UV Index, with a value of 2, placing it firmly in the low exposure category. This trend signifies a significant shift from the height of summer months, where the index peaked at 10 in June and steadily declined throughout the fall. With a burn time of 45 minutes, residents and visitors can enjoy outdoor activities with minimal concern for sunburn, making it an ideal time for winter strolls or holiday festivities. As the colder months approach, the UV levels are at their most forgiving, reminding us that even in winter, a little sun safety goes a long way. For more specific information on UV patterns throughout the year, check out Yarmouth UV Index.
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As December settles in Yarmouth, a gentle decline in sunshine hours marks the transition to winter, offering 165 hours of daylight that encapsulate the cozy charm of the season. This month's sunshine is a step back from the heights of summer, where July shines as the pinnacle with an impressive 346 hours. Notably, the gradual increase seen from January through June peaks mid-summer before tapering off into the fall months. By the end of the year, Yarmouth's December sunlight, while less abundant, still provides a warm glow during the festive season, bridging the gap towards the coming year with its quiet elegance.
In Yarmouth, the likelihood of sunny weather in December takes a notable dip, with only a 28% chance of sunshine. This trend continues a decline seen through the fall months; while November offers a more promising 52% chance, the arrival of winter brings with it greyer skies and shorter days. Looking at the broader picture throughout the year, the sunshine peaks in the spring months of March with 57% and April at 43%, only to steadily decrease as the year closes out. As residents prepare for the chill of December, they should brace themselves for a month where sunny days are on the rarer side.
As December unfolds in Yarmouth, daylight is at its shortest, offering just 9 hours of sunlight each day. This marks a return to the light levels seen in November, reflecting the year's cyclical nature as the days gradually shorten after the long, bright summer months. From a peak of 15 hours in June, daylight begins its steady decline, dropping to 14 hours in July and tapering off to 13 hours in August and September. As fall arrives, the hours of sunlight continue to shrink until reaching their zenith of darkness in the heart of winter. The consistent rhythm of daylight hours throughout the year not only defines Yarmouth's seasonal charm but also invites residents to embrace the cozy, intimate atmosphere that December brings.
As December sweeps into Yarmouth, the average wind speed settles at 6.6 m/s (15 mph), marking a subtle drop compared to the earlier months of the year. This trend of declining wind speeds peaks in the summer, where July sees a dip to 5.2 m/s (12 mph) and remains relatively low through August. As fall approaches, winds begin to pick up slightly, reaching 6.7 m/s (15 mph) in November before maintaining that brisk pace into December. Overall, the gradual decrease in wind intensity from the spring through summer gives way to a consistent and refreshing chill as winter begins to take hold, highlighting Yarmouth's dynamic weather shifts throughout the year.
The weather in Yarmouth 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 Yarmouth and find detailed weather information for every month.
December and January exhibit distinct weather characteristics, with January generally being colder than December. In December, temperatures range 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). The month sees ample precipitation, totaling 136 mm (5.4 in) over 12 days, and a humidity level of 80%. In contrast, January features lower temperatures, with a minimum of -14°C (6°F), an average of 2°C (36°F), and a maximum of 13°C (55°F). Precipitation decreases to 94 mm (3.7 in) across 10 days, while humidity slightly increases to 84%. This comparison highlights the colder and somewhat drier nature of January compared to December. For more detailed insights, you can check the link: Yarmouth weather in January.
December and February share some similarities in weather, particularly in temperature extremes, both experiencing minimums around -12°C (11°F) to -12°C (10°F). However, December tends to be slightly warmer overall, with an average temperature of 4°C (40°F) compared to February's average of 2°C (36°F). Precipitation levels are also quite similar, with December seeing 136 mm (5.4 in) and February recording 123 mm (4.8 in) over approximately the same number of days—12 days of precipitation for both months. Additionally, February has a slightly higher humidity level at 84%, compared to December's 80%. For more details, you can check Yarmouth weather in February.
In December, temperatures range 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). The month sees significant precipitation, totaling 136 mm (5.4 in) over approximately 12 days, and humidity hovers around 80%. In contrast, March experiences slightly milder temperatures, with a minimum of -9°C (16°F) and a maximum of 13°C (56°F), averaging 3°C (38°F). Precipitation decreases to 118 mm (4.7 in) over about 10 days, with humidity rising slightly to 82%. For more specifics on March weather, you can refer to Yarmouth weather in March.
December and April exhibit notable differences in weather patterns despite having similar precipitation levels. In December, average temperatures hover around 4°C (40°F), with nighttime lows dropping to -12°C (11°F), creating a stark chill in the air. The month experiences 12 days of precipitation and maintains a high humidity level of 80%. In contrast, April offers a milder climate with average temperatures rising to 7°C (46°F) and minimums only dipping to 1°C (33°F). Though April has slightly more precipitation days, totaling 13, the humidity remains comparable at 79%, suggesting a gradual transition towards warmer spring conditions. For more detailed insights, you can check Yarmouth weather in April.
In December, temperatures can drop significantly, with minimums reaching as low as -12°C (11°F) and a chilly average of 4°C (40°F). With a maximum temperature of 15°C (60°F), this month typically experiences a higher level of humidity at 80%. Additionally, December sees around 136 mm (5.4 in) of precipitation over 12 days, resulting in a damp and cold atmosphere.
Conversely, May ushers in milder weather, with minimum temperatures of 5°C (41°F) and a pleasant average of 12°C (53°F). The maximum temperature can reach 21°C (70°F), making it a more comfortable month overall. Precipitation decreases slightly to 119 mm (4.7 in) over the same number of days, and humidity levels also drop to 75%. For a closer look at the weather during this vibrant month, check out Yarmouth weather in May.
December and June present stark contrasts in weather patterns. In December, temperatures can drop as low as -12°C (11°F), with an average of 4°C (40°F) and maximums reaching 15°C (60°F). The month tends to be quite damp, with 136 mm (5.4 in) of precipitation spread over 12 days and a humidity level of 80%. In contrast, June boasts a much warmer climate, with temperatures ranging from a minimum of 10°C (51°F) to a comfortable maximum of 24°C (76°F) and an average of 17°C (63°F). The total precipitation is lower, at 91 mm (3.6 in) over 10 days, with a slightly lower humidity of 78%. For more specifics on weather during this month, visit Yarmouth weather in June.
In December, temperatures can drop as low as -12°C (11°F), making it one of the colder months of the year, with an average of 4°C (40°F) and a maximum of 15°C (60°F). The month typically sees substantial precipitation of 136 mm (5.4 in) over about 12 days, along with high humidity levels at 80%. In contrast, July brings much warmer weather, with minimum temperatures around 16°C (61°F) and averages reaching 21°C (71°F), peaking at 29°C (84°F). Rainfall is lighter in July, totaling 83 mm (3.3 in) across 9 days, and humidity is slightly lower at 76%. For those interested in seasonal weather patterns, more details can be found at Yarmouth weather in July.
When comparing the weather in December and August, the differences are striking. December experiences much colder temperatures, with lows reaching -12°C (11°F) and an average of around 4°C (40°F), while August boasts milder conditions, with minimum temperatures of 16°C (61°F) and an average of 22°C (72°F). Precipitation is higher in December, with 136 mm (5.4 in) over 12 days, compared to August's 82 mm (3.2 in) spread across only 8 days. Additionally, the humidity levels are slightly higher in December at 80%, while August remains comfortable at 76%. For more details on August weather, you can check Yarmouth weather in August.
In December, temperatures can drop significantly, with minimums reaching as low as -12°C (11°F) and averaging around 4°C (40°F), while September enjoys much milder conditions, with minimum temperatures starting at 13°C (56°F) and averaging 19°C (67°F). Precipitation is somewhat comparable, with December receiving 136 mm (5.4 in) over 12 days, and September having slightly less at 118 mm (4.7 in) over 10 days. Humidity levels are also higher in December at 80%, compared to September's 75%, highlighting the chilly, damp environment of winter versus the relatively warmer, yet still humid, early fall. For more detailed information on September weather, you can check Yarmouth weather in September.
In comparing the weather of December and October, December exhibits significantly colder temperatures, with minimums dropping to -12°C (11°F) and an average of around 4°C (40°F), while October enjoys milder conditions, featuring a minimum of 4°C (39°F) and an average of 15°C (59°F). Precipitation levels are slightly lower in December at 136 mm (5.4 in) over 12 days, compared to October's 175 mm (6.9 in) also over 12 days. Humidity is slightly higher in December at 80% versus October's 75%. For a more detailed look at October's weather patterns, check out Yarmouth weather in October.
In December, temperatures typically 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), significantly colder compared to November, where the temperatures range from -6°C (21°F) to a maximum of 19°C (66°F) and an average of 9°C (48°F). Precipitation also increases in December, with 136 mm (5.4 in) falling over 12 days, up from 102 mm (4.0 in) over 10 days in November. Both months maintain a consistent humidity level of 80%, but the colder temperatures of December make it feel much chillier. For a detailed look at November weather patterns, you can visit Yarmouth weather in November.
As December settles over Yarmouth, the weather takes a notable turn from the milder autumn months, ushering in a season characterized by colder temperatures and increased moisture. With an average temperature dropping to a brisk 4°C (40°F) and the potential for frosty nights plunging to -12°C (11°F), residents and visitors alike must bundle up against the chill. The month witnesses about 12 days of precipitation, bringing a total of 136 mm (5.4 in) of rain, which adds a dampness to the air with a humidity level hovering around 80%. This shift marks a stark contrast to the warmer and often drier conditions experienced earlier in the year. To gain more insight into seasonal trends, check out Yarmouth Climate.