December Weather in Lyme Regis, United Kingdom

Last updated: March 17, 2025

In December, Lyme Regis, located on the stunning coast of the United Kingdom, experiences a cool maritime climate characterized by average temperatures hovering around 8°C (46°F), with highs reaching up to 15°C (59°F) and occasional dips to -1°C (30°F). This month sees an average precipitation of 88 mm (3.5 in) spread across approximately 13 days, contributing to the region's lush greenery. The humidity level remains high at 89%, creating a brisk but refreshing atmosphere perfect for coastal walks and exploring the town's charming streets. Enjoy the unique blend of winter beauty and seaside serenity that December in Lyme Regis has to offer!

December Temperature in Lyme Regis

In December, Lyme Regis welcomes the onset of winter with temperatures that exhibit a gentle chill, ranging from a minimum of -1°C (30°F) to a maximum of 15°C (59°F). As the month progresses, the average temperature sits around 8°C (46°F), marking a subtle decline from the milder fall months. This transition signals the shift to colder days, yet the coastal charm of Lyme Regis remains inviting. While the temperatures drop, they remain relatively mild compared to the preceding months of winter, making December an ideal time for brisk seaside strolls and enjoying the town's cozy atmosphere.

December Weather in Lyme Regis: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lyme Regis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434446505561646359544846
Data source: Temperature data for Lyme Regis generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Lyme Regis

In December, Lyme Regis experiences a significant uptick in precipitation, receiving an average of 88 mm (3.5 in) of rain over 13 days. This trend marks a notable increase compared to the preceding months, signaling the onset of winter weather. November’s rainfall, while substantial at 58 mm (2.3 in) over 10 days, pales in comparison to December, indicating a transition into the wetter winter season. With a higher frequency of rainy days and increased total precipitation, December sets the stage for stormier conditions, often leaving the coastal town cloaked in a drizzly ambiance that enhances its picturesque charm.

December Precipitation Trends in Lyme Regis

The chart displays monthly precipitation patterns in Lyme Regis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec466071476770546844985888
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lyme Regis

In December, Lyme Regis sees a humidity level of 89%, maintaining a high level typical for the winter months. This percentage is slightly below November's 90%, yet consistent with the trend of elevated humidity as the year draws to a close. Overall, winter months exhibit notably higher humidity compared to the summer's drier conditions, particularly in July and August, where levels drop to 70% and 73%, respectively. As we transition from autumn to winter, it’s clear that the coastal climate keeps the air moist, contributing to the town's characteristic charm and vibrant natural environment.

December Average Humidity in Lyme Regis

This chart illustrates the average monthly humidity levels in Lyme Regis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lyme Regis

In December, Lyme Regis experiences a UV Index of 1, categorized as low, meaning that sun exposure is minimal and the risk of harm from unprotected sun exposure is quite low. This marks a significant drop from the high levels seen in the summer months, where indexes peaked at 8 in June and July. As winter settles in, the burn time extends back to 45 minutes, allowing residents and visitors to enjoy outdoor activities with less concern for skin damage. Overall, the trend through the year shows a clear pattern of increasing UV levels during the warmer months, peaking in summer, before tapering off as winter approaches. For more insights on UV levels throughout the year, check out the detailed Lyme Regis UV Index.

Maximum UV Index Levels in Lyme Regis for December

The chart shows the monthly maximum UV Index (UVI) for Lyme Regis 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: Lyme Regis 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 Lyme Regis

As December unfolds in Lyme Regis, the quaint coastal town experiences a shift towards shorter, cooler days, with an average of 109 hours of sunshine this month. This marks a notable decline from the vibrant heights of late spring and summer, where May and July basked in a generous 399 and 418 hours of sunlight, respectively. The trend is clear: as the year progresses from the bright exuberance of March's 211 hours to the dimming January's 94 hours, December’s sunlight signals the onset of winter. Even so, the gentle rays that do break through the clouds provide a serene beauty, offering a quiet charm that captures the essence of this historic seaside town amid the festive spirit.

Monthly Sunshine Duration in Lyme Regis: December Highlighted

The December sunshine duration represents the total number of hours Lyme Regis 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.
JanFebMarAprMayJunJulAugSepOctNovDec94h148h211h335h399h384h418h376h313h246h139h109h
Data source: Lyme Regis December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lyme Regis During December

In Lyme Regis, the likelihood of sunny weather tends to dip in December, with a mere 21% chance of sunshine. This reflects a broader trend of decreasing sun exposure as the year draws to a close, transitioning from an impressive 52% in April to a consistent low of 21% in January. Interestingly, after the brighter days of spring and the early summer months, where sunshine peaks, December mirrors January’s overcast conditions. As the festive season approaches, residents and visitors alike may need to prepare for a wintery ambiance, making the fleeting sunny moments all the more cherished.

Percentage of Sunny Days in December in Lyme Regis

The chart illustrates the percentage of sunny days in Lyme Regis 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 Lyme Regis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%25%34%52%35%27%38%28%31%25%32%21%
Data source: Lyme Regis December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lyme Regis in December

In Lyme Regis, the daylight duration experiences a fascinating ebb and flow throughout the year, with December offering only 8 hours of sunlight, similar to January and November. As the year progresses, the days gradually stretch longer, peaking in June at a brilliant 16 hours of daylight. This seasonal shift, where April and May bask in 13 and 15 hours respectively, showcases the lengthening of days as spring unfolds—a delightful contrast to the shorter, darker days of late autumn and early winter. By the time we reach October, daylight diminishes again, leading to those subdued winter months. Through these cycles, Lyme Regis embodies the rhythmic dance of nature as it transitions between the inviting brightness of summer and the cozy embrace of winter.

Average Daylight Hours in Lyme Regis for December

The chart illustrates the variation in daylight duration in Lyme Regis throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 29m10h 1m11h 55m13h 51m15h 32m16h 25m15h 57m14h 26m12h 34m10h 38m8h 55m8h
Data source: Lyme Regis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Lyme Regis

As December rolls into Lyme Regis, the energy of the wind begins to pick up, reaching an average speed of 5.0 m/s (11 mph). Building on the trends from the preceding months, December marks a subtle uptick after the gentler breezes of late autumn. Interestingly, while January and February often showcase more robust winds, December offers a refreshing prelude to the year’s end. This shift suggests that as winter approaches, the coastal air grows increasingly dynamic, inviting both residents and visitors to embrace the bracing, spirited gusts that define this charming seaside town.

Average December Wind Speed in Lyme Regis

The chart displays monthly wind speed patterns in Lyme Regis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.95.84.73.54.83.33.74.03.64.73.95.0 m/s
Data source: Lyme Regis December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Lyme Regis Compares to Other Months

The weather in Lyme Regis 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 Lyme Regis and find detailed weather information for every month.

December and January showcase a notable shift in weather patterns. December tends to be milder, with average temperatures around 8°C (46°F) and maximums reaching up to 15°C (59°F). It also experiences more rainfall, totaling 88 mm (3.5 inches) over about 13 days, coupled with high humidity at 89%. In contrast, January sees a slight drop in temperatures, with averages of 6°C (43°F) and maximums at 14°C (57°F), while the total precipitation decreases to 46 mm (1.8 inches) over just 9 days, maintaining a similar humidity level of 88%. This transition marks January as a cooler and somewhat drier month compared to December, giving a distinctive feel to the winter season. For more detailed information, visit Lyme Regis weather in January.

December and February both showcase mild temperatures, but December tends to be slightly warmer on average, with minimums around -1°C (30°F) compared to February's cooler -5°C (24°F). Both months share a maximum temperature of 15°C (59°F in December and 60°F in February), but December experiences more precipitation, with 88 mm (3.5 in) over 13 days, compared to February's 60 mm (2.4 in) over 10 days. Humidity levels are relatively similar, hovering around 89% in December and 88% in February, making both months feel damp. If you're interested in the details of February’s weather specifically, check out Lyme Regis weather in February.

In December, temperatures range from a chilly minimum of -1°C (30°F) to a mild maximum of 15°C (59°F), with an average of 8°C (46°F). The month experiences 88 mm (3.5 in) of precipitation over 13 days, coupled with high humidity at 89%. In contrast, March features slightly colder minimum temperatures dropping to -5°C (23°F), yet boasts a warmer maximum of 19°C (67°F) and the same average temperature of 8°C (46°F). Precipitation decreases to 71 mm (2.8 in) over 14 days, while humidity remains slightly lower at 86%. For more detailed insights on the weather during this month, visit Lyme Regis weather in March.

In December, temperatures typically range from a minimum of -1°C (30°F) to a maximum of 15°C (59°F), with an average of 8°C (46°F). The month is characterized by significant precipitation, averaging 88 mm (3.5 in) over approximately 13 days, and high humidity levels at 89%. In contrast, April experiences slightly milder temperatures, with a minimum of -2°C (29°F) and a maximum of 22°C (73°F), leading to an average of 10°C (50°F). Rainfall is notably reduced, with just 47 mm (1.9 in) spread over about 8 days and lower humidity at 84%. For a detailed overview of how April weather shapes up, check out Lyme Regis weather in April.

December and May offer stark contrasts in weather. In December, temperatures range from a chilly -1°C (30°F) at night to a mild 15°C (59°F) during the day, accompanied by high humidity levels at 89% and significant precipitation of 88 mm (3.5 in) over 13 days. In contrast, May brings warmer temperatures, with nighttime lows of 1°C (35°F) and daytime highs reaching 24°C (76°F). Although May sees less rain, with 67 mm (2.6 in) across 12 days, the humidity is slightly lower at 80%, creating a more pleasant outdoor experience. For a detailed look at the weather conditions in May, you can check Lyme Regis weather in May.

December and June weather in Lyme Regis reflect distinct seasonal differences. December sees cooler temperatures, with averages hovering around 8°C (46°F) and nighttime lows dipping to -1°C (30°F). The month is also characterized by higher humidity at 89% and more frequent rainfall, totaling 88 mm (3.5 in) over 13 days. In contrast, June offers a much warmer climate, with average temperatures reaching 16°C (61°F) and maximums soaring to 30°C (86°F). While precipitation decreases to 70 mm (2.7 in) over just 10 days, the humidity is slightly lower at 80%. For more on the specifics of June weather, you can visit Lyme Regis weather in June.

The weather in December is quite chilly compared to the warmth of July. In December, temperatures typically range from a minimum of -1°C (30°F) to a maximum of 15°C (59°F), with an average temperature of around 8°C (46°F). The month is characterized by high humidity at 89% and about 88 mm (3.5 inches) of precipitation over approximately 13 days. In contrast, July enjoys much milder temperatures, with a minimum of 9°C (49°F) and a maximum of 30°C (86°F), averaging 18°C (65°F). Rainfall is also less frequent, as it totals about 54 mm (2.1 inches) over just 10 days, coupled with a lower humidity level of 70%. For more details, check out Lyme Regis weather in July.

December and August present contrasting weather conditions. In December, temperatures range from a chilly minimum of -1°C (30°F) to a mild maximum of 15°C (59°F), with an average of 8°C (46°F). The month is characterized by higher precipitation, totaling 88 mm (3.5 in) over 13 days, accompanied by a high humidity level of 89%. In contrast, August enjoys a warmer climate, with temperatures varying from a pleasant 8°C (47°F) to a maximum of 29°C (85°F) and an average of 17°C (63°F). Rainfall is lower, at 68 mm (2.7 in) over just 12 days, while humidity is also lower at 73%. For more insights on summer weather, check out Lyme Regis weather in August.

In comparing the weather of December and September, it's clear that September enjoys milder temperatures, with an average of 15°C (60°F) and maximum highs reaching 28°C (82°F), whereas December's average is cooler at 8°C (46°F), peaking at just 15°C (59°F). Humidity levels are slightly lower in September at 79%, compared to December's 89%, which can make the warmer days feel more comfortable. Additionally, September experiences significantly less precipitation, with only 44 mm (1.7 in) over 8 days, in contrast to December's 88 mm (3.5 in) spread over 13 days. For more detailed insights, you can check out Lyme Regis weather in September.

In comparing the weather between December and October, December tends to be cooler with a minimum temperature of -1°C (30°F) and an average of 8°C (46°F), whereas October experiences slightly warmer temperatures, with a minimum of 0°C (33°F) and an average of 12°C (54°F). Despite having a similar number of rainy days, December receives slightly less precipitation (88 mm or 3.5 in) compared to October's 98 mm (3.9 in). Interestingly, both months share a high humidity level of 89%, making the air feel quite damp. For more detailed insights about October weather, you can check Lyme Regis weather in October.

December generally sees slightly cooler temperatures compared to November, with a minimum temperature of -1°C (30°F) compared to November's 0°C (32°F). The average temperature in December is 8°C (46°F), just a degree lower than November's 9°C (48°F), while the maximum temperature in December reaches 15°C (59°F), slightly lower than November's peak of 16°C (61°F). Additionally, December experiences increased precipitation, with 88 mm (3.5 in) of rain over 13 days, compared to November's 58 mm (2.3 in) over 10 days. Humidity levels remain fairly high in both months, with December at 89% and November at 90%. For a detailed look at November's weather, you can visit Lyme Regis weather in November.

Compare Lyme Regis's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Lyme Regis

In December, Lyme Regis presents a sharp contrast to the warmer months, with cooler temperatures averaging around 8°C (46°F) and a notable humidity level of 89% adding to the brisk feel of the air. While the maximum temperature can reach a mild 15°C (59°F), the chill of the season is evident as lows can dip to around -1°C (30°F). Rainfall becomes more frequent, with 88 mm (3.5 in) of precipitation spread over about 13 days, creating a wet and often overcast atmosphere. This month marks a transition into winter, offering a unique environment for those seeking the serene beauty of Lyme Regis during its quieter season. For more detailed insights, visit Lyme Regis Climate.