December Weather in Charmouth, United Kingdom

Last updated: March 17, 2025

In December, Charmouth, United Kingdom experiences a distinct winter climate characterized by a maximum temperature of 15°C (59°F) and an average of 8°C (46°F), dipping down to a minimum of -1°C (30°F). This month is notably wet, with 88 mm (3.5 in) of precipitation spread over 13 days, contributing to the region's high humidity at 89%. Visitors can expect a brisk and damp atmosphere, perfect for enjoying the coastal scenery and embracing the charm of winter by the sea.

December Temperature in Charmouth

In December, temperatures in Charmouth, United Kingdom, begin to dip, marking the onset of winter. With minimums around -1°C (30°F), the chill is palpable, although the average temperature hovers at a mild 8°C (46°F), offering a brief respite from the cold. By day, highs can reach up to 15°C (59°F), creating opportunities for brisk walks along the scenic coastline. This month serves as a transition, as temperatures steadily decline from the more temperate conditions of November, yet they remain relatively moderate compared to the depths of winter. Overall, December in Charmouth presents a blend of chilly mornings and mild afternoons, perfect for enjoying the natural beauty of the area wrapped in a serene, wintry charm.

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

The chart illustrates December temperature patterns in Charmouth, 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 Charmouth 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 Charmouth

In December, Charmouth experiences a significant uptick in precipitation, with an average of 88 mm (3.5 inches) falling over 13 days. This marks a notable increase from the preceding months, reflecting the region's transition into the wetter winter season. Following a fairly consistent rainfall pattern throughout the autumn, December's precipitation is among the highest of the year, surpassing even the damp October average of 98 mm (3.9 inches). As daylight shortens and temperatures drop, December's increased rainfall not only contributes to the lush, green landscapes that characterize Charmouth but also sets the stage for a cozy winter atmosphere, where the pitter-patter of rain against windows becomes a familiar soundtrack.

December Precipitation Trends in Charmouth

The chart displays monthly precipitation patterns in Charmouth, 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 Charmouth

In December, Charmouth, United Kingdom, experiences a humidity level of 89%, maintaining a trend of relatively high moisture that characterizes the winter months. As the year progresses, humidity peaks in the autumn, notably in October and November, when it reaches 89% and 90%, respectively. This gradual shift showcases the seasonal variation, with a notable drop during the warmer summer months of July and August, where humidity dips to 70% and 73%. Overall, December's humidity reflects a return to the elevated levels seen earlier in the fall, emphasizing the region's tendency towards a damp, cool climate as it transitions into the heart of winter.

December Average Humidity in Charmouth

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

In December, Charmouth experiences a low UV Index of 1, indicating minimal sun exposure risk, with a safe burn time of approximately 45 minutes. This aligns with the trend observed in the colder months, where UV levels are generally lower compared to the summer peaks. For instance, while the summer months of June and July often skyrocket to a very high UV Index of 8, December offers a refreshing respite. As we transition from November's low index of 2, the gradual decline continues, making this an ideal time for those looking to enjoy outdoor activities without the worry of sunburn. For more detailed information, check out the Charmouth UV Index.

Maximum UV Index Levels in Charmouth for December

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

In Charmouth, United Kingdom, the December sunshine is a gentle reminder of the shifting seasons, offering residents and visitors a modest 109 hours of sun. This marks a significant dip from the vibrant 399 hours in May and peaks of 418 hours in July. As winter sets in, the hours of sunshine gradually decrease, starting from 211 hours in March and dwindling down to the year's lowest in December. However, this seasonal ebb and flow creates a unique charm; while the days are shorter, the soft winter light highlights the beauty of the coastal landscape, inviting those who seek a tranquil retreat amidst the chill.

Monthly Sunshine Duration in Charmouth: December Highlighted

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

Chance of Sun in Charmouth During December

In December, the likelihood of sunny weather in Charmouth, United Kingdom takes a dip, with only a 21% chance of sunshine. This trend reflects a broader seasonal pattern where the chances of sun appear to peak in the spring months, specifically in April at 52%, before gradually declining as the year progresses. As the year winds down, the townsfolk can expect a blend of cloudy skies and occasional breaks of sunlight, reminiscent of the early winter months. While November sees a slightly higher chance at 32%, the chance of sun in December is among the lowest, signaling that cozy indoor activities might be the order of the day during this festive month.

Percentage of Sunny Days in December in Charmouth

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

Daylight Hours in Charmouth in December

As December settles over Charmouth, United Kingdom, daylight begins its brief encore, echoing the shorter days of both November and January with just 8 hours of sunlight. This month marks the culmination of a gradual descent into darkness that started as early as October. In contrast, the spring and summer months bask in the glow of longer days, peaking at an impressive 16 hours in June. The trend showcases a steady increase in daylight from the austere winter months of December to February, culminating in the vibrant, sun-drenched days of May and June. As the year dwindles, Charmouth's daylight rhythm offers a gentle reminder of the shifting seasons, setting the stage for the rebirth of light in the approaching spring.

Average Daylight Hours in Charmouth for December

The chart illustrates the variation in daylight duration in Charmouth 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: Charmouth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Charmouth

As December descends upon Charmouth, United Kingdom, the average wind speed climbs to 5.0 m/s (11 mph), bringing a briskness that hints at the chilly embrace of winter. This month marks a subtle uptick compared to the more placid summer months, where winds hovered around 3.3 to 4.0 m/s. Following the transition from autumn, characterized by November's moderate 3.9 m/s, the December winds stir up memories of the earlier months, with January's slightly higher average of 4.9 m/s closely echoing December's gusts. Notably, the wind speeds have a seasonal rhythm, showcasing a tendency to intensify as the year draws to a close, creating an invigorating atmosphere perfect for winter walks along the scenic coastline.

Average December Wind Speed in Charmouth

The chart displays monthly wind speed patterns in Charmouth, 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: Charmouth December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Charmouth Compares to Other Months

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

December and January showcase distinct weather patterns as winter unfolds. In December, temperatures range from a minimum of -1°C (30°F) to a maximum of 15°C (59°F), with an average temperature of 8°C (46°F). The month experiences significant precipitation, totaling 88 mm (3.5 in) over 13 days, contributing to a high humidity level of 89%. Conversely, January sees slightly lower temperatures, with a minimum of -3°C (26°F) and a maximum of 14°C (57°F), resulting in an average of 6°C (43°F). Precipitation decreases noticeably to 46 mm (1.8 in) over just 9 days, accompanied by a marginally lower humidity of 88%. For a more detailed look at the weather in January, you can visit Charmouth weather in January.

In December, the weather is generally milder, featuring an average temperature of 8°C (46°F) but can drop to a minimum of -1°C (30°F), while enjoying maximum highs of 15°C (59°F). It's a wetter month, with 88 mm (3.5 in) of precipitation over about 13 days, and humidity levels remain high at 89%. In contrast, February sees slightly cooler temperatures, with a minimum of -5°C (24°F) and an average of 7°C (45°F), although it can still reach a maximum of 15°C (60°F). Precipitation decreases to 60 mm (2.4 in) across 10 days, and humidity stays fairly consistent at 88%. For a more detailed look at February's weather patterns, you can check Charmouth weather in February.

December and March present similar average temperatures, both hovering around 8°C (46°F), but the extremes vary. December features a milder maximum temperature of 15°C (59°F) and a higher minimum of -1°C (30°F), while March dips to a chilly -5°C (23°F) at night, with a maximum reaching 19°C (67°F). Precipitation levels are slightly lower in March at 71 mm (2.8 in) compared to December's 88 mm (3.5 in), though both months experience a significant number of rainy days—14 in March versus 13 in December. Humidity remains quite high in both months, but is marginally lower in March at 86% compared to December's 89%. For a more detailed look at March weather, you can visit Charmouth weather in March.

December and April present contrasting weather conditions, reflecting the transition from winter to spring. In December, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 15°C (59°F), with an average of 8°C (46°F). The month is marked by higher precipitation at 88 mm (3.5 in) over 13 days, coupled with a high humidity level of 89%. In contrast, April boasts slightly cooler temperatures, with a minimum of -2°C (29°F) and a much warmer maximum of 22°C (73°F), averaging 10°C (50°F). Precipitation is notably lower at 47 mm (1.9 in) over just 8 days, and humidity drops to 84%. For further insights into April weather specifics, visit Charmouth weather in April.

In comparing the weather of December and May, it's clear that May offers a milder and more pleasant climate. December experiences colder temperatures, with a minimum of -1°C (30°F) and an average of 8°C (46°F), while May's temperatures range from a minimum of 1°C (35°F) to an average of 13°C (55°F), peaking at a comfortable 24°C (76°F). Precipitation is slightly lower in May, with 67 mm (2.6 in) over 12 days compared to December's 88 mm (3.5 in) across 13 days. Additionally, the humidity in December is higher at 89%, contrasted with May's 80%, which contributes to the more refreshing feel of spring. For more detailed weather insights, you can check Charmouth weather in May.

In December, the weather is generally much colder, with average temperatures ranging from a chilly -1°C (30°F) at night to a milder 15°C (59°F) during the day. The month sees significant precipitation, with 88 mm (3.5 in) falling over 13 days and high humidity at 89%. In contrast, June offers a more moderate climate, with minimum temperatures around 7°C (45°F) and maximums soaring to 30°C (86°F), leading to an average of 16°C (61°F). Precipitation in June is lower at 70 mm (2.7 in) over 10 days, and humidity is slightly reduced at 80%. For a detailed look at the weather in June, check out Charmouth weather in June.

December and July present strikingly different 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). This month is characterized by higher humidity levels at 89% and more frequent precipitation, totaling 88 mm (3.5 in) over 13 days. In contrast, July boasts significantly warmer temperatures, with a minimum of 9°C (49°F) and a maximum of 30°C (86°F), averaging around 18°C (65°F). The humidity drops to 70%, and precipitation is less frequent, averaging 54 mm (2.1 in) over just 10 days. For a detailed overview of July weather, you can refer to Charmouth weather in July.

In December, temperatures tend to be cooler, with lows dropping to -1°C (30°F) and average highs reaching around 15°C (59°F). The month is also characterized by higher humidity at 89% and significant precipitation, averaging 88 mm (3.5 in) across 13 days. In contrast, August offers much milder weather, with temperatures ranging from a minimum of 8°C (47°F) to an average high of 29°C (85°F). Humidity is lower at 73%, and the month sees less rainfall, totaling 68 mm (2.7 in) over approximately 12 days. For more detailed information on the August climate, visit Charmouth weather in August.

When comparing the weather in December and September, it's clear that September enjoys milder and more comfortable temperatures. The average daily temperature in September is around 15°C (60°F), with highs reaching up to 28°C (82°F), while December experiences cooler averages, peaking at 15°C (59°F) but often dipping to a chilly 1°C (30°F) at night. Additionally, September has significantly less precipitation, averaging 44 mm (1.7 in) over just 8 days, compared to December's 88 mm (3.5 in) spread over 13 days. The humidity is also somewhat lower in September at 79%, in contrast to December's higher level of 89%. For more detailed insights, you can check Charmouth weather in September.

When comparing the weather in December and October, we see some notable differences. December typically experiences cooler temperatures, with a minimum of -1°C (30°F) and an average high of 15°C (59°F), while October remains milder with a minimum of 0°C (33°F) and an average high of 21°C (70°F). Precipitation levels are also close, with December receiving 88 mm (3.5 in) and October slightly higher at 98 mm (3.9 in), but both months see about 13 days of rain. Humidity levels remain consistent at 89% in both months, making the air feel quite damp. For those looking for more detailed information on October weather, you can visit Charmouth weather in October.

In comparing the weather between December and November, December tends to be slightly cooler, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 15°C (59°F), while November has a minimum of 0°C (32°F) and a maximum of 16°C (61°F). Additionally, December experiences more precipitation, totaling 88 mm (3.5 in) over 13 days, in contrast to November's 58 mm (2.3 in) over 10 days. Humidity levels are comparable, with December at 89% and November slightly higher at 90%. For a more detailed look at the weather in November, visit Charmouth weather in November.

Compare Charmouth's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Charmouth

As December unfolds in Charmouth, the weather takes on a distinct chill, distinguishing it from the milder months that precede it. Temperatures often drop, averaging around 8°C (46°F), with occasional peaks at a maximum of 15°C (59°F) and nighttime lows that can plunge to -1°C (30°F). This month also sees an uptick in precipitation, with about 88 mm (3.5 in) falling over 13 days, resulting in a notably humid atmosphere at 89%. The result is a crisp and refreshing character that invites cozy gatherings and winter exploration. For a deeper dive into the atmospheric patterns throughout the year, check out Charmouth Climate.