December Weather in Deal, United Kingdom

Last updated: March 17, 2025

December in Deal, United Kingdom, brings a cool maritime climate characterized by an average temperature of 8°C (47°F), with maximum highs reaching 14°C (57°F) and minimum lows dipping to 2°C (36°F). This month is also marked by significant precipitation, totaling 121 mm (4.8 in) over 17 days, contributing to a notably humid atmosphere with 92% humidity. Residents and visitors alike can expect a blend of chilly, damp days typical of a British winter, making it the ideal time to embrace the cozy charm of local cafes and warm indoor activities.

December Temperature in Deal

As December rolls in, Deal, UK, experiences the gradual shift into winter, with temperatures hovering between 2°C (36°F) and 14°C (57°F). This month marks a notable drop from the milder autumn temperatures, revealing an average of 8°C (47°F), making it one of the cooler months of the year. The chill in the air is a precursor to the colder January, as December's minimum temperatures begin to inch upward from the frigid lows of earlier winter months. Despite the drop, the maximum temperature still hints at the lingering warmth of autumn, remaining around 14°C (57°F). This transition from relatively mild weather to a more pronounced winter chill invites residents and visitors alike to enjoy the festive atmosphere that December brings.

December Weather in Deal: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Deal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444446495460646461575046
Data source: Temperature data for Deal generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Deal

December brings a notable shift in precipitation in Deal, United Kingdom, showcasing the wettest month of the year with an average rainfall of 121 mm (4.8 in) spread over 17 days. This increased rainfall stands out against the generally drier months preceding it, with October and November also contributing significant amounts, but with fewer rainy days. As autumn transitions to winter, December's precipitation highlights a trend of heightened moisture, heralding the festive season with its characteristic grey skies and drizzles. Residents can expect to reach for their umbrellas more frequently, reflecting the month’s reputation as a peak time for rainfall in this coastal town.

December Precipitation Trends in Deal

The chart displays monthly precipitation patterns in Deal, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec70705826585455735610780121
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Deal

In December, humidity levels in Deal, United Kingdom rise notably, reaching 92%, a continuation of the trend seen over the preceding months. This winter humidity mirrors the figures recorded in November and is part of a broader seasonal pattern where the dampness peaks during the colder months. While the summer months, particularly July and August, experience a refreshing dip in moisture, the transition into late autumn and winter draws the humidity back up, enveloping the coastal town in a chilly embrace. As December closes out the year, this persistent humidity not only emphasizes Deal's maritime climate but also prepares residents for the cozy indoor season ahead.

December Average Humidity in Deal

This chart illustrates the average monthly humidity levels in Deal, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Deal

As the year winds down, December in Deal, United Kingdom, sees a return to minimal UV exposure, with a low UV Index of 1. This marks a gentle shift from the high and very high levels experienced during the peak summer months of June and July, where UV Index values soared to 8, necessitating a burn time of just 15 minutes for unprotected skin. With December's burn time extending to 45 minutes, locals can take a sigh of relief, as the cooler weather and shorter days reduce sun intensity. The trends throughout the year reveal a clear seasonal pattern, where UV exposure gradually intensifies from the depths of winter through to the vibrant summer months. As you navigate your outdoor activities this month, rest assured that the risk of sunburn remains minimal. For more insights, visit Deal UV Index.

Maximum UV Index Levels in Deal for December

The chart shows the monthly maximum UV Index (UVI) for Deal in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Deal December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Deal

In Deal, United Kingdom, December brings a modest 116 hours of sunshine, marking a significant decline as the year draws to a close. This aligns with the seasonal trend observed throughout the colder months, where sunlight diminishes from November's 161 hours to December's waning glow. Although Christmas festivities may bask in cozy celebrations, the winter months generally see a stark contrast to the brightness of late spring and summer, which peak at a remarkable 420 hours in July. As we look forward to the new year, it’s evident that the gradual flicker of daylight serves as a reminder of the vibrancy that will return with time.

Monthly Sunshine Duration in Deal: December Highlighted

The December sunshine duration represents the total number of hours Deal experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec92h154h233h352h413h414h420h397h326h245h161h116h
Data source: Deal December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Deal During December

In December, Deal, United Kingdom experiences a modest 18% chance of sunny weather, a figure that mirrors the trend seen in the earlier winter months. As the year progresses, the likelihood of sunshine generally increases, peaking in April at a more promising 50%. However, as December approaches, the shorten days and cooler temperatures reduce the chances of bright days, with December's sun probability resembling that of January, known for its bleakness. This pattern suggests that while the festive season may bring holiday cheer, visitors to Deal should prepare for predominantly cloudy skies and low sunlight as the year winds down.

Percentage of Sunny Days in December in Deal

The chart illustrates the percentage of sunny days in Deal throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Deal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%26%36%50%38%33%43%39%38%30%27%18%
Data source: Deal December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Deal in December

As December settles over Deal, United Kingdom, residents experience a noticeable reduction in daylight, with only 7 hours of sunlit hours each day. This marks the nadir of daylight duration for the year, following a steady decline from the bright summer months of 16 hours in June and July. The transition from the long days of summer to the short, crisp days of winter becomes evident, as the daylight dwindles to just 8 hours in both January and November. However, despite the limited sunshine, the month of December brings a unique charm, inviting residents and visitors alike to embrace cozy evenings and festive celebrations, even as the daylight hours reach their annual low.

Average Daylight Hours in Deal for December

The chart illustrates the variation in daylight duration in Deal throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 25m9h 59m11h 55m13h 53m15h 36m16h 30m16h 1m14h 29m12h 34m10h 37m8h 51m7h 55m
Data source: Deal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Deal

As December settles over Deal, United Kingdom, the average wind speed reaches a brisk 7.1 m/s (16 mph), closely mirroring the wind conditions seen earlier in the year, particularly in January and October. The transition from autumn to winter brings a slight uptick from November's 6.4 m/s, showcasing a trend of increased windiness as the year comes to a close. This month’s winds are a blend of the mild breezes of summer and the robust gusts of early spring, maintaining a consistent strength that invigorates the coastal landscape. Overall, December's winds encapsulate the essence of winter in Deal, promising both challenges and beauty to those who embrace the elements.

Average December Wind Speed in Deal

The chart displays monthly wind speed patterns in Deal, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.07.36.56.06.04.55.36.25.37.36.47.1 m/s
Data source: Deal December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Deal Compares to Other Months

The weather in Deal 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 Deal and find detailed weather information for every month.

In December, the weather tends to be milder with average temperatures ranging from 2°C (36°F) to a maximum of 14°C (57°F), accompanied by considerable rainfall totaling 121 mm (4.8 in) over 17 days and high humidity at 92%. In contrast, January sees a slight drop in temperature, with minimums reaching -2°C (29°F) and average temperatures around 6°C (44°F). Precipitation decreases to 70 mm (2.7 in) spread across 11 days, while humidity remains relatively stable at 91%. This shift indicates a transition toward cooler conditions as the year begins. For more specifics on the weather, you can visit Deal weather in January.

In December, the weather is generally milder, with average temperatures ranging from a chilly 2°C (36°F) to a maximum of 14°C (57°F). The month also experiences significant precipitation, totaling 121 mm (4.8 in) over about 17 days, contributing to a high humidity level of 92%. In contrast, February brings colder conditions, with temperatures dipping as low as -2°C (28°F) and averaging around 7°C (45°F). Precipitation decreases to 70 mm (2.7 in) across approximately 14 days, and humidity remains slightly lower at 89%. For more details on the weather in February, visit Deal weather in February.

In December, the weather is generally cooler with temperatures ranging from a minimum of 2°C (36°F) to an average of 8°C (47°F) and a maximum of 14°C (57°F). With frequent precipitation on 17 days, December sees a significant amount of rain totaling 121 mm (4.8 in) and high humidity at 92%. In contrast, March experiences slightly lower minimum temperatures, dipping to -3°C (28°F), but with an average temperature of 8°C (46°F) and a maximum of 15°C (60°F), it begins to feel a bit milder. Precipitation decreases to 58 mm (2.3 in) over 13 days, with humidity dropping to 86%. For a closer look at the weather conditions in March, you can visit Deal weather in March.

In December, the weather is generally cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 14°C (57°F). This month also sees significant precipitation, with about 121 mm (4.8 in) falling over 17 days, contributing to high humidity levels of 92%. In contrast, April brings slightly warmer temperatures, averaging 9°C (49°F) with a maximum of 18°C (65°F). Precipitation decreases substantially to 26 mm (1.0 in) over only 7 days, and humidity levels drop to 85%. For more details on April weather, you can visit Deal weather in April.

December weather is characterized by cooler temperatures, with averages hovering around 8°C (47°F) and maximums reaching only 14°C (57°F). This month also experiences significant precipitation, totaling 121 mm (4.8 in) over 17 days, accompanied by high humidity levels of 92%. In contrast, May ushers in a warmer climate with minimum temperatures of 6°C (42°F) and average highs around 20°C (68°F), offering a comfortable average of 12°C (54°F). The precipitation decreases to 58 mm (2.3 in) across just 10 days, coupled with a slightly lower humidity of 82%. For more detailed weather insights, you can explore Deal weather in May.

December and June present strikingly different weather conditions. In December, temperatures range from a chilly 2°C (36°F) at night to a milder 14°C (57°F) during the day, accompanied by frequent rainfall that totals 121 mm (4.8 in) over about 17 days, and high humidity at 92%. In contrast, June enjoys much warmer temperatures, with lows around 10°C (50°F) and highs reaching 24°C (75°F). This month experiences significantly less precipitation, totaling 54 mm (2.1 in) over just 9 days, and the humidity decreases to a more comfortable 81%. For more details, you can check Deal weather in June.

In December, the weather is characterized by cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 14°C (57°F), making it a chilly month. The average temperature hovers around 8°C (47°F), and there's considerable precipitation, amounting to 121 mm (4.8 in) over 17 days, accompanied by high humidity at 92%. In contrast, July brings much warmer conditions, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 28°C (82°F) and an average of 18°C (64°F). Precipitation is significantly reduced at 55 mm (2.2 in) over just 10 days, and humidity is more moderate at 76%. For those interested in specific details about weather in July, you can check Deal weather in July.

December and August exhibit stark contrasts in weather, with December characterized by cooler temperatures and higher humidity. In December, the minimum temperature hovers around 2°C (36°F), while the average temperature is a chilly 8°C (47°F), peaking at 14°C (57°F). This month sees significant precipitation, totaling 121 mm (4.8 in) over 17 days, coupled with a high humidity level of 92%. In contrast, August enjoys milder weather, with minimum temperatures at 12°C (54°F) and an average of 18°C (65°F), reaching a maximum of 26°C (78°F). Additionally, precipitation in August is lighter, with 73 mm (2.9 in) falling over just 11 days, and a more comfortable humidity level of 73%. For more details on the weather in this month, check out Deal weather in August.

In December, the weather is considerably cooler and wetter compared to September. December temperatures range from a minimum of 2°C (36°F) to a maximum of 14°C (57°F), with an average of 8°C (47°F), while September boasts milder conditions, with temperatures varying between 10°C (50°F) and 22°C (72°F), averaging 16°C (62°F). Precipitation in December is significantly higher, totaling 121 mm (4.8 in) over 17 days, compared to September's 56 mm (2.2 in) over just 10 days. Additionally, December experiences higher humidity at 92%, in contrast to September's 80%. For more detailed information, visit Deal weather in September.

In comparing the weather of December and October, notable differences emerge. December tends to be significantly cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 14°C (57°F), compared to October's milder conditions, which see temperatures between 7°C (45°F) and 21°C (70°F). Precipitation levels are also relatively high in December, with 121 mm (4.8 in) over 17 days, while October experiences slightly less rain at 107 mm (4.2 in) across 16 days. Additionally, December's humidity is higher at 92%, compared to October's 89%. For more detailed insights into the weather in October, you can visit Deal weather in October.

December weather is typically cooler than November, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 14°C (57°F), compared to November's milder range of 4°C (39°F) to 17°C (62°F). Additionally, December experiences greater precipitation, totaling 121 mm (4.8 in) over 17 days, while November has 80 mm (3.1 in) spread across 16 days. Both months maintain a high humidity level of 92%, but December's chill and increased rainfall create a markedly different atmosphere. For more details on November weather, you can visit Deal weather in November.

Compare Deal's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Deal

In December, Deal experiences a notable shift in weather patterns compared to other months, with cooler temperatures and a significantly higher chance of rain. With an average of just 8°C, the month is characterized by damp, chilly days and nearly two-thirds of the month seeing some form of precipitation. The high humidity of 92% creates a biting chill, making this time of year feel colder than it is. Those looking to enjoy the seasonal charm of Deal should be prepared for a mix of cloudy days and the occasional sunny break. For more insights on the local climate, check out Deal Climate.