December Weather in Lewes, United Kingdom

Last updated: March 17, 2025

December in Lewes, United Kingdom presents a brisk and damp atmosphere, characterized by a maximum temperature of 13°C (56°F) and an average of 9°C (48°F). As the month progresses, temperatures can dip to a minimum of 2°C (35°F), making warm layers essential for outdoor activities. With precipitation totaling 149 mm (5.9 in) over 18 days, residents and visitors alike should prepare for a considerable amount of rain, adding to the month’s chilly embrace. The high humidity level of 92% amplifies the cold, creating a distinctly wintry feel in this charming town.

December Temperature in Lewes

In December, Lewes, United Kingdom, experiences a gentle transition into winter, with temperatures that begin to dip but remain relatively mild compared to the peak chill of January. The month sees a minimum of 2°C (35°F), ensuring a crisp and refreshing atmosphere, while the average temperature settles around 9°C (48°F), offering a comfortable coolness ideal for cozy winter strolls. The maximum reaches a pleasant 13°C (56°F), allowing for occasional sunnier days that can surprisingly lift the spirits. As the year draws to a close, these temperatures mark a steady decline from the autumn months, hinting at the colder days ahead yet preserving a charm that characterizes Lewes during this festive season.

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

The chart illustrates December temperature patterns in Lewes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454546485359636461575148
Data source: Temperature data for Lewes 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 Lewes

In December, Lewes experiences its wettest month of the year, with precipitation measuring an impressive 149 mm (5.9 in) spread over 18 days of rainfall. This uptick in moisture marks a striking contrast to the drier spells of earlier months, such as April, which sees a mere 30 mm. The trend towards increased precipitation is particularly pronounced from October through December, where the total rainfall rises significantly, culminating in December's peak. This seasonal shift not only underscores the transition to winter but also impacts the local landscape, transforming it into a lush, vibrant setting as the year draws to a close.

December Precipitation Trends in Lewes

The chart displays monthly precipitation patterns in Lewes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec798369304865517467133119149
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lewes

In December, humidity levels in Lewes, United Kingdom remain notably high at 92%, mirroring the damp conditions of November. This marks a continuation of the winter trend, as humidity consistently rises during the colder months, starting from 91% in January through to 89% in October. Following the annual low in the summer months, with July and August registering the driest conditions at 76% and 73% respectively, the atmosphere becomes increasingly moist as autumn sets in. The steady uptick in humidity during the latter part of the year highlights the characteristic chill associated with winter in this coastal town, creating a cozy yet brisk environment as the year draws to a close.

December Average Humidity in Lewes

This chart illustrates the average monthly humidity levels in Lewes, 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 Lewes

In December, Lewes, United Kingdom, experiences its lowest UV Index of the year at 1, categorized as low exposure with a burn time of 45 minutes. This trend reflects the gradual decline in UV levels as winter settles in, following the peak summer months where the UV Index surged to 8 in both June and July. As the year progresses from the brighter spring and summer days, residents and visitors can enjoy the outdoors with minimal sun protection, particularly compared to the high and very high categories seen earlier in the year. For an in-depth look at the UV levels throughout the year, visit Lewes UV Index.

Maximum UV Index Levels in Lewes for December

The chart shows the monthly maximum UV Index (UVI) for Lewes 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.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Lewes 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 Lewes

December in Lewes marks the end of the year with a modest 119 hours of sunshine, a noticeable dip from the brightness of the months prior. As winter rolls in, daylight becomes increasingly scarce, following the sun-drenched peaks of summer, where hours soared above 400. The trend illustrates a gradual descent from the radiant 415 hours of May and the vibrant stretch of July through August, down to the quieter, more introspective light of winter. While December may not deliver the sun-drenched days of its summer counterparts, it still offers a delicate charm, with the low sun casting a soft glow over the town as the festive season unfolds, inviting residents and visitors alike to revel in Lewes' unique winter atmosphere.

Monthly Sunshine Duration in Lewes: December Highlighted

The December sunshine duration represents the total number of hours Lewes 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h152h229h348h415h412h424h388h325h256h155h119h
Data source: Lewes December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lewes During December

When it comes to December in Lewes, United Kingdom, the likelihood of sunny weather takes a noticeable dip with only a 20% chance of sunshine. This decline continues a trend evident in the winter months, with sunlight availability waning as the year closes out. In contrast, the spring months herald a brighter outlook, with April boasting a peak of 59% sunny days. As we look back through the months, it’s clear that December stands apart from the sunnier spells of previous seasons, underscoring the characteristic chill and cloudiness that often accompanies winter in this picturesque town.

Percentage of Sunny Days in December in Lewes

The chart illustrates the percentage of sunny days in Lewes 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 Lewes experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%25%42%59%43%32%42%39%38%31%36%21%
Data source: Lewes December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lewes in December

In December, daylight in Lewes, United Kingdom, reaches 8 hours, mirroring the short days of January and November. This month marks a noticeable shift from the long, sunlit hours of mid-summer, where June boasts up to 16 hours of daylight. As the year progresses, daylight gradually shortens from October's 10 hours to the depths of winter in December. This cyclical pattern of increasing and decreasing daylight underscores the seasonal rhythms that characterize life in Lewes, with the promise of longer days on the horizon as the year turns toward spring.

Average Daylight Hours in Lewes for December

The chart illustrates the variation in daylight duration in Lewes throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 30m10h 1m11h 55m13h 51m15h 32m16h 24m15h 56m14h 26m12h 34m10h 39m8h 56m8h 1m
Data source: Lewes daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Lewes

In December, the coastal town of Lewes, United Kingdom, experiences an invigorating surge in wind, with average speeds reaching 8.0 m/s (18 mph). This slight uptick from November's 6.8 m/s (15 mph) aligns with a winter pattern, where blustery conditions become more prevalent. Notably, December's wind speed is among the highest recorded throughout the year, rivaling the gusty January and October months. As the year draws to a close, residents and visitors can expect the brisk air of winter to invigorate their outdoor adventures, making December a dynamic month for wind enthusiasts and nature lovers alike.

Average December Wind Speed in Lewes

The chart displays monthly wind speed patterns in Lewes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.98.16.95.97.14.55.46.35.67.96.88.0 m/s
Data source: Lewes December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Lewes Compares to Other Months

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

December tends to be slightly warmer than January, with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 13°C (56°F), compared to January's range of 1°C (34°F) to 12°C (55°F). December also sees significantly more precipitation, with 149 mm (5.9 in) over 18 days, while January receives just 79 mm (3.1 in) across 12 days. The humidity levels are quite similar, with December at 92% and January slightly lower at 91%. For a detailed look at the weather conditions during this time, you can refer to Lewes weather in January.

In December, temperatures in Lewes range from a minimum of 2°C (35°F) to a maximum of 13°C (56°F), with an average of 9°C (48°F). The month experiences significant precipitation, totaling 149 mm (5.9 in) over about 18 days, and high humidity at 92%. In contrast, February is slightly chillier, with temperatures dipping to a minimum of -1°C (30°F), an average of 7°C (45°F), and a maximum of 12°C (54°F). Precipitation in February is less, at 83 mm (3.3 in) over 14 days, and humidity is also lower, at 89%. For more detailed insights, check out Lewes weather in February.

In comparing the weather between December and March, it's evident that December is generally milder in terms of maximum temperatures, with average highs reaching 13°C (56°F) compared to March's average high of 13°C (55°F). However, the winter month of December shows a more significant drop in temperatures, particularly with an average low of 2°C (35°F), while March can dip to a minimum of -2°C (30°F). Precipitation levels also differ, with December experiencing 149 mm (5.9 in) over 18 days, compared to March's 69 mm (2.7 in) over just 14 days, making March drier overall. Humidity is slightly lower in March at 86%, compared to December’s high of 92%. For more detailed information about the weather in March, you can check Lewes weather in March.

When comparing the weather in December and April, we observe some notable differences. December experiences cooler temperatures with a minimum of 2°C (35°F), an average of 9°C (48°F), and a maximum of 13°C (56°F). This month also sees a significant amount of precipitation, averaging 149 mm (5.9 in) over 18 days, along with high humidity at 92%. In contrast, April offers slightly milder temperatures, also starting at a minimum of 2°C (36°F), but reaching a higher average of 9°C (49°F) and a peak of 15°C (60°F). The month is much drier, with only 30 mm (1.2 in) of rainfall over just 6 days, and a reduced humidity level of 85%. For a closer look at what to expect, you can check Lewes weather in April.

December and May present distinctly different weather experiences. In December, temperatures typically range from a chilly 2°C (35°F) to a mild 13°C (56°F), accompanied by significant rainfall totaling 149 mm (5.9 in) over about 18 days, resulting in high humidity levels at 92%. In contrast, May enjoys a warmer climate with temperatures ranging from a more comfortable 5°C (42°F) to a pleasant 19°C (66°F). The month also sees considerably less precipitation, with only 48 mm (1.9 in) over roughly 9 days, and a lower humidity of 82%. For more detailed insights, you can check out Lewes weather in May.

December and June present contrasting weather conditions. In December, temperatures are cooler, with averages around 9°C (48°F) and a maximum of 13°C (56°F), accompanied by high humidity at 92%. This month also sees significant precipitation, totaling 149 mm (5.9 in) over 18 days, making it a rather wet period. In contrast, June offers a more pleasant climate, with average temperatures of 15°C (59°F) and highs reaching 21°C (71°F). Precipitation is much less frequent, averaging 65 mm (2.6 in) over just 8 days, and humidity is lower at 81%. For more insights on this enjoyable month, check out Lewes weather in June.

December and July present stark contrasts in weather conditions. In December, temperatures range from a chilly minimum of 2°C (35°F) to a mild maximum of 13°C (56°F), with an average of 9°C (48°F). The month is characterized by significant precipitation, totaling 149 mm (5.9 in) over 18 days, along with high humidity at 92%. In contrast, July offers much warmer temperatures, with a minimum of 13°C (56°F) and a comfortable maximum of 23°C (74°F), averaging 17°C (63°F). Precipitation drops significantly to 51 mm (2.0 in) over just 9 days, and humidity decreases to 76%. For more details on July weather in Lewes, visit Lewes weather in July.

December weather is notably colder and wetter than August, with average temperatures ranging from a chilly 2°C (35°F) at night to a maximum of 13°C (56°F) during the day. In contrast, August offers a much warmer climate, with temperatures ranging from a minimum of 12°C (54°F) to a comfortable maximum of 25°C (77°F). Precipitation also differs significantly; December experiences 149 mm (5.9 in) over 18 days, while August sees 74 mm (2.9 in) spread over just 12 days. Additionally, the humidity in December is higher at 92%, compared to 73% during the summer month. For more detailed insights, check out this comprehensive resource on Lewes weather in August.

December and September present quite different weather experiences. In December, temperatures are notably cooler, with a minimum of 2°C (35°F) and an average of 9°C (48°F), compared to September's milder minimum of 10°C (50°F) and an average of 16°C (62°F). Moreover, December is marked by higher precipitation, totaling 149 mm (5.9 in) over 18 days, while September brings a lighter rainfall of 67 mm (2.6 in) across just 11 days. Humidity levels are also higher in December at 92%, compared to September’s 80%, creating a damp and chilly atmosphere as the year comes to a close. For more details on September's weather, you can visit Lewes weather in September.

In comparing the weather of December and October, December generally experiences cooler temperatures, with a minimum of 2°C (35°F) and an average of 9°C (48°F), whereas October sees milder conditions, ranging from a minimum of 6°C (43°F) to an average of 14°C (58°F). The maximum temperatures in October can reach up to 20°C (68°F), a stark contrast to December's maximum of just 13°C (56°F). While both months experience significant precipitation, December averages 149 mm (5.9 in) over 18 days compared to October's 133 mm (5.2 in) across 16 days. Additionally, the humidity levels are slightly higher in December at 92%, compared to October's 89%. For a detailed look at October's weather, you can visit Lewes weather in October.

When comparing the weather in December to November, December tends to be slightly cooler with an average temperature of 9°C (48°F), compared to November's average of 11°C (51°F). The maximum temperatures also reflect this trend, with December peaking at 13°C (56°F), while November can reach up to 16°C (61°F). Additionally, December is wetter, receiving 149 mm (5.9 in) of precipitation over 18 days, which is more than November's 119 mm (4.7 in) across 16 days. Despite these differences, both months maintain the same high humidity level of 92%. For more detailed insights, you can refer to Lewes weather in November.

Compare Lewes's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Lewes

As December arrives in Lewes, the weather takes on a distinctly wintry character, setting it apart from other months. With daytime highs typically around 13°C (56°F) and lows dipping to 2°C (35°F), you can expect a chilly atmosphere filled with high humidity at 92%. Rainfall is also a common companion, as residents can anticipate precipitation on around 18 days, accumulating to nearly 149 mm (5.9 in) for the month. This combination of cool temperatures and regular rain enhances the cozy, festive vibe of the holiday season, making December an unmistakable transition into winter. To explore more about the climate in this delightful town, visit Lewes Climate.