Last updated: March 17, 2025
December in Dartmouth, United Kingdom, brings a seasonal chill with temperatures ranging from a maximum of 14°C (57°F) to a minimum of 4°C (39°F). The month features an average temperature of 10°C (49°F), making layered clothing a must for outdoor excursions. Rainfall is common, as 118 mm (4.7 in) of precipitation is spread over 17 days, often contributing to a high humidity level of 89%. Visitors can expect overcast skies and occasional drizzles, creating a cozy atmosphere perfect for enjoying local holiday festivities and exploring this charming coastal town.
As December rolls into Dartmouth, the temperatures reveal a gentle transition toward winter. With a minimum of 4°C (39°F) and a comfortable average of 10°C (49°F), the month holds steady with highs reaching 14°C (57°F). Compared to the cooler months preceding it, December’s climate is marked by a slight uplift, showcasing a gradual trend of warming as the year concludes. Shifting away from the chill of November, which had similar minima but a higher average of 11°C (52°F), December invites the festive spirit while still requiring a warm coat for those outside. It's a time where cozy atmospheres and the allure of winter festivities blend harmoniously against a backdrop of mild weather.
December in Dartmouth, United Kingdom, sees a significant uptick in precipitation, with 118 mm (4.7 in) of rain falling across the month, making it one of the wettest periods of the year. This mark contributes to a trend observed from October through December, where rainfall remains consistently high, with October and November also reporting 122 mm (4.8 in) and 103 mm (4.1 in), respectively. Notably, December records the most days of rainfall this season, with 17 days of precipitation, underscoring the onset of winter and its characteristic sogginess. As the year wraps up, Dartmouth’s landscape transforms, often cloaked in a gray mist, highlighting the coastal town's beauty and resilience amid the winter storms.
In December, Dartmouth experiences a humidity level of 89%, maintaining a trend of relatively high moisture in the air as the year draws to a close. This figure closely aligns with the preceding months of October (89%) and November (90%), emphasizing the region's consistent dampness before winter. Reflecting on the year, there is a noticeable decline in humidity from the peak levels of January and February (88%) to the more comfortable lows of summer. Humidity dips significantly during the warmer months, reaching a low of 70% in July, but returns to higher percentages as the cooler season sets in, indicating a significant fluctuation that establishes Dartmouth's characteristic climate. Overall, December's humidity serves as a reminder of the region's maritime influence, ensuring that the winter months remain distinctly brisk and moist.
As the year draws to a close, December in Dartmouth, United Kingdom, sees a significant drop in UV exposure, with an index of only 1, classified as low. This marks a stark contrast to the sun-drenched summer months, where levels peaked at 9 in June. The trend reflects the changing seasons, as exposure categories shift from very high in June and July to a comforting low in December, allowing for a safe burn time of 45 minutes. With the holidays upon us, it’s a great reminder to enjoy the outdoors while keeping skin protection in mind. For detailed insights throughout the year, visit Dartmouth UV Index.
UV Risk Categories
In Dartmouth, United Kingdom, December ushers in a gentle decrease in sunshine, offering around 121 hours of light—a stark contrast to the sun-drenched days of summer. As the year winds down, there’s a noticeable dip from November's 159 hours, though it still shines brighter than the dreary January. This seasonal shift reveals an intriguing trend: while the months gradually brighten from the grey of winter through the vibrant spring, the sun's presence peaks in the summer months of June and July with an impressive 409 and 431 hours, respectively. As the days shorten and winter approaches, Dartmouth’s sunlight becomes increasingly precious, inviting locals and visitors alike to embrace the cozy charm of the season against the backdrop of its historic landscapes.
In December, Dartmouth, United Kingdom, experiences a modest 21% chance of sunny weather, marking it as one of the cloudier months of the year. This trend mirrors the gradual decline in sunny days as winter sets in, with the previous months showing slightly higher probabilities of sunshine. Notably, while April boasts an inviting 55% chance, the chances dwindle as the year progresses, dropping to a yearly low in December. This seasonal shift highlights the characteristic gloom of late autumn and early winter, when the sun takes a back seat, making the rare sunny day even more cherished by locals and visitors alike.
As December arrives in Dartmouth, United Kingdom, daylight hours settle at a modest 8 hours, mirroring the shorter days of November. This time of year marks the season's low point for sunlight, contrasting sharply with the vibrant 16 hours found in June, the peak of summer. The transition from winter to spring sees a gradual increase, with daylight advancing to 11 hours by March, and reaching 15 hours in May, as nature awakens. The shift in daylight not only signals the changing seasons but also highlights the growing anticipation for the longer days ahead. As we close out the year, the cycle of light and darkness continues to rhythmically shape our daily lives, promising brighter days just around the corner.
As December rolls into Dartmouth, the winds begin to pick up, with an average speed of 8.4 m/s (19 mph). This marks a notable increase compared to the milder months of summer, where wind speeds hovered around 5.0 to 5.7 m/s. The trend shows a gradual rise in wind intensity as the year comes to a close, peaking in December, reflecting the shift from the calmer, balmy days of June and July. Interestingly, the gusty conditions in December align closely with the brisk days of January and February, suggesting a seasonal pattern that invites both excitement and challenge for locals and visitors alike. Whether braving the elements or enjoying the exhilarating breezes, Dartmouth in December undeniably leaves an impression.
The weather in Dartmouth 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 Dartmouth and find detailed weather information for every month.
In December, the weather is slightly milder with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 14°C (57°F). The month experiences significant rainfall, totaling 118 mm (4.7 in) over 17 days, contributing to a high humidity level of 89%. In contrast, January sees a drop in average temperatures, with lows of 2°C (36°F) and an average high of 14°C (58°F). Precipitation also decreases to 63 mm (2.5 in) over 11 days, and humidity remains slightly lower at 88%. For more detailed insights on January weather, check out Dartmouth weather in January.
In comparing the weather between December and February, December tends to be slightly warmer with average temperatures ranging from 4°C (39°F) to 14°C (57°F), while February sees a cooler range from 0°C (32°F) to 13°C (55°F). Precipitation is more abundant in December, with 118 mm (4.7 in) over 17 days compared to February's 75 mm (3.0 in) over 14 days. Humidity levels remain similar, with December having an average of 89% and February slightly lower at 88%. For a closer look at February weather specifics, visit Dartmouth weather in February.
In December, temperatures in Dartmouth average around 10°C (49°F), with a mild minimum of 4°C (39°F) and a maximum reaching 14°C (57°F). The month experiences significant precipitation, totaling 118 mm (4.7 in) over 17 days, accompanied by high humidity levels at 89%. In contrast, March brings cooler temperatures with an average of 9°C (48°F), where the minimum can dip to -1°C (30°F) and the maximum averages around 13°C (55°F). Although it is slightly drier, with 83 mm (3.3 in) of rain falling over 13 days, humidity remains relatively high at 86%. The shift from December to March highlights a transition towards cooler temperatures and slightly reduced precipitation, making March a month of notable change. For more detailed insights into March weather, you can visit Dartmouth weather in March.
In December, the weather is quite cool, with average temperatures ranging from a chilly 4°C (39°F) to a mild high of 14°C (57°F), accompanied by significant precipitation of 118 mm (4.7 in) over 17 days. The high humidity level of 89% adds to the winter chill, making the air feel damp and crisp. In contrast, April offers a slight warming, with temperatures varying from a low of 3°C (38°F) to a pleasant high of 16°C (61°F). Additionally, April sees much less rainfall, with only 43 mm (1.7 in) spread over 8 days, and a reduced humidity of 84%, creating a fresher and more invigorating atmosphere. For more details on the weather during this month, you can check Dartmouth weather in April.
December and May present notably different weather patterns. In December, temperatures typically range from a chilly 4°C (39°F) to a milder 14°C (57°F), with an average of 10°C (49°F). This month also sees significant precipitation, averaging 118 mm (4.7 inches) over 17 days, accompanied by high humidity levels of 89%. In contrast, May offers a more pleasant climate, with temperatures rising slightly to a minimum of 6°C (42°F) and reaching up to 19°C (66°F), averaging 12°C (53°F). Rainfall decreases to 66 mm (2.6 inches) over just 10 days, while humidity is also lower at 80%. For more specifics on the changing weather, you can explore Dartmouth weather in May.
December and June present stark contrasts in weather. In December, temperatures range from a chilly 4°C (39°F) to a maximum of 14°C (57°F), with an average of 10°C (49°F). The month sees significant rainfall, totaling 118 mm (4.7 in) over 17 days, accompanied by high humidity levels at 89%. In contrast, June offers more mild and pleasant weather, with temperatures ranging from a minimum of 10°C (50°F) to a comfortable maximum of 20°C (68°F), averaging 14°C (58°F). Rainfall is considerably lower at 63 mm (2.5 in) across just 9 days, and humidity drops to 80%. This makes June a much drier and warmer month compared to the damp and cool conditions of December. For more about the weather specifics in June, check out Dartmouth weather in June.
In December, the weather is significantly cooler, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 14°C (57°F), accompanied by high humidity levels of 89%. The month also sees considerable precipitation, averaging 118 mm (4.7 in) over about 17 days, creating a damp and chilly atmosphere. In contrast, July offers a much warmer climate, with temperatures varying from a minimum of 12°C (53°F) to a maximum of 24°C (75°F) and a lower humidity of 70%. Additionally, July experiences less rainfall, averaging only 54 mm (2.1 in) over 9 days. For more detailed information about the weather in July, you can check Dartmouth weather in July.
When comparing the weather in December and August, it's evident that August is significantly warmer and drier. In December, average temperatures hover around 10°C (49°F), with lows of 4°C (39°F) and highs reaching only 14°C (57°F). The month also experiences higher precipitation, totaling 118 mm (4.7 in) over 17 days, contributing to a humid environment with a humidity level of 89%. In contrast, August offers a much milder climate, with average temperatures of 17°C (62°F), ranging from a minimum of 12°C (55°F) to a maximum of 23°C (73°F). Additionally, it sees less rainfall, with 62 mm (2.5 in) spread over just 9 days and a lower humidity level of 73%. For more details on August weather, visit Dartmouth weather in August.
When comparing the weather in December and September, notable differences emerge. December experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 10°C (49°F), while September boasts milder conditions, ranging from a minimum of 10°C (51°F) to an average of 16°C (60°F). Additionally, December is characterized by significantly higher precipitation, totaling 118 mm (4.7 in) over 17 rainy days, in contrast to September's much lighter rainfall of 52 mm (2.1 in) across just 8 days. Humidity levels also tend to be higher in December at 89%, compared to 79% in September. For more detailed information about September's climate, you can visit Dartmouth weather in September.
The weather in December contrasts with that in October, as December experiences slightly cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 14°C (57°F), compared to October's minimum of 5°C (42°F) and maximum of 19°C (67°F). While both months have comparable precipitation levels, with December receiving 118 mm (4.7 in) over 17 days and October slightly higher at 122 mm (4.8 in) over 16 days, the humidity remains constant at 89% for both months. For a deeper look into October weather specifics, you can visit Dartmouth weather in October.
December weather shows slightly cooler temperatures compared to November, with average highs reaching 14°C (57°F) and lows staying consistent at 4°C (39°F). The month experiences greater precipitation, totaling 118 mm (4.7 in) over 17 days, while November records 103 mm (4.1 in) across 16 days. Additionally, humidity levels remain high in both months, with December at 89% and November slightly higher at 90%. For more information on November conditions, check Dartmouth weather in November.
As December arrives in Dartmouth, the weather shifts noticeably, bringing a chill that sets it apart from the milder months of autumn. With average temperatures dipping to a cool 10°C (49°F) and frequent precipitation across approximately half the days of the month, residents experience a more damp and humid climate, with humidity levels soaring to 89%. The contrast between the crisp air and the cozy atmosphere invites locals and visitors alike to embrace the season's charm. For more detailed insights into all aspects of the weather in this picturesque town, be sure to check out Dartmouth Climate.