December Weather in Clapham, United Kingdom

Last updated: March 17, 2025

December in Clapham, United Kingdom, presents a chilly and damp climate, characterized by an average temperature of 6°C (43°F), swinging between a maximum of 15°C (59°F) and a brisk minimum of -4°C (25°F). This month sees 78 mm (3.1 in) of precipitation spread over 15 days, contributing to the high humidity levels of 90%. Residents and visitors alike should prepare for overcast skies and potential rain, making it a time to enjoy cozy indoor activities while bundling up when venturing outside.

December Temperature in Clapham

In Clapham, United Kingdom, December marks a transition into deeper winter, characterized by temperatures that reflect the season's chill. With minimums around -4°C (25°F) and averages of 6°C (43°F), the month is often frosty, yet it retains a hint of warmth with maximums reaching 15°C (59°F). This trend mimics the fluctuations seen in the preceding months, where late autumn gradually gives way to winter's grasp. As temperatures dip, the crisp air invites cozy gatherings and festive celebrations, making December a month where the charm of the season shines through despite the cold. The yearly cycle continues, showcasing how Clapham's climate ebbs and flows, reminding us that even in winter, moments of warmth and joy can prevail.

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

The chart illustrates December temperature patterns in Clapham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404345485461656459534643
Data source: Temperature data for Clapham 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 Clapham

December in Clapham, United Kingdom, brings a notable increase in precipitation, with 78 mm (3.1 in) recorded over the month, making it one of the wetter times of the year. This uptick in rainfall is accompanied by 15 days of precipitation, the highest for any month, highlighting a transitional period as winter settles in. Interestingly, compared to the preceding months, December's precipitation significantly surpasses November's 53 mm (2.1 in) and aligns closely with the wetter spells experienced in the autumn, particularly October's noticeable 84 mm (3.3 in). The pattern suggests that the end of the year is typically characterized by increased rainfall and a greater number of rainy days, setting a scene for cozy winter evenings in Clapham.

December Precipitation Trends in Clapham

The chart displays monthly precipitation patterns in Clapham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec504757386473687052845378
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Clapham

In December, Clapham, United Kingdom experiences a notable consistency in humidity levels, with rates returning to 90%, reminiscent of the peaks seen in both January and October. This month marks a shift back toward the higher end of the spectrum following the gradual decline over the summer months, where humidity dipped to a low of 76% in July. As the year comes to a close, the dampness in the air often adds a brisk chill to the atmosphere, underlying the transition to winter. Coupled with November’s elevated 92%, December’s humidity reflects a trend of increased moisture as the colder months set in, providing a stark contrast to the relatively drier spring months earlier in the year.

December Average Humidity in Clapham

This chart illustrates the average monthly humidity levels in Clapham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Clapham

In December, Clapham experiences a low UV Index of 1, indicating minimal sun exposure risks with a burn time of approximately 45 minutes. As the year winds down, this signifies a return to safer sun conditions after the peaks seen in late spring and summer, where indices reached as high as 8. The trend shows that after the vibrant autumn months, where UV levels gently declined, December offers a reprieve with low exposure risks. For those planning to enjoy the outdoors in Clapham this month, it's still wise to stay mindful of sun safety, even in cooler weather. For more details, check out Clapham UV Index.

Maximum UV Index Levels in Clapham for December

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

In Clapham, December ushers in a noticeable shift as daylight dwindles, with only 103 hours of sunshine captured over the month. This contrasts sharply with the sun-soaked days of summer, where July shines the brightest with 382 hours of sunshine. While the cold grip of winter sets in, December’s sunshine is a delicate reminder of the vibrant spring and summer months that precede it, marked by highs of 378 hours in May and a steady climb as days stretch longer. Although December's hours pale in comparison to the radiant peaks of the year, this seasonal transition enriches Clapham's character, offering cozy, sunlit moments that linger amidst the chilly air.

Monthly Sunshine Duration in Clapham: December Highlighted

The December sunshine duration represents the total number of hours Clapham 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.
JanFebMarAprMayJunJulAugSepOctNovDec90h147h204h307h378h361h382h352h286h229h138h103h
Data source: Clapham December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Clapham During December

As winter settles in, Clapham experiences a notable decline in its likelihood of sunny weather, with December offering only a modest 16% chance of sunshine. This trend highlights a significant shift from the brighter days of spring, where April shines with nearly half of its days basking in sunlight at 48%. While the sunny streak generally hovers around 20% to 30% during the earlier months of the year, December stands out as the least likely month for cheerful rays, making it essential to embrace the cozy indoors and perhaps plan for some festive activities to brighten the month.

Percentage of Sunny Days in December in Clapham

The chart illustrates the percentage of sunny days in Clapham 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 Clapham experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%25%26%48%30%25%38%24%30%22%31%16%
Data source: Clapham December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Clapham in December

In Clapham, United Kingdom, daylight duration follows a captivating annual rhythm that reflects the changing seasons. December, with only 7 hours of daylight, marks the lowest point of this cycle, contrasting sharply with the long, sun-drenched days of June and July, where daylight stretches to an impressive 16 hours. As the year progresses from the dark depths of winter, daylight gradually increases, peaking in midsummer before tapering off again in the autumn months. The transition from November's 8 hours to December’s shorter days highlights a poignant shift towards winter, creating a serene atmosphere that wraps the season in cozy stillness. Each month offers a unique experience of light, ushering in quiet reflection during the darkest days and the promise of longer, brighter mornings ahead.

Average Daylight Hours in Clapham for December

The chart illustrates the variation in daylight duration in Clapham throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 18m9h 55m11h 54m13h 56m15h 43m16h 39m16h 9m14h 33m12h 35m10h 34m8h 45m7h 47m
Data source: Clapham daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Clapham

In December, the wind in Clapham picks up slightly, averaging a brisk 4.8 m/s (11 mph), a notable peak as the year comes to a close. This increase mirrors the trends of the preceding months, where November displayed a strong 4.4 m/s (10 mph), and October saw an even fresher 5.0 m/s (11 mph). Generally, the winter months tend to usher in stronger breezes, with December's winds offering a refreshing contrast to the calmer mid-year lull, where speeds dipped to their lowest in July at 3.2 m/s (7 mph). As 2023 winds down, Clapham experiences the invigorating embrace of December's cool air, preparing residents for the cozy winter festivities ahead.

Average December Wind Speed in Clapham

The chart displays monthly wind speed patterns in Clapham, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.55.04.73.54.33.43.24.13.65.04.44.8 m/s
Data source: Clapham December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Clapham Compares to Other Months

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

December and January exhibit similar cold temperatures, with both months experiencing minimums of -4°C (25°F). December boasts an average temperature of 6°C (43°F), slightly warmer than January’s average of 5°C (41°F). While the maximum temperature in December reaches 15°C (59°F), January's peaks are slightly lower at 14°C (58°F). In terms of precipitation, December is wetter with 78 mm (3.1 in) over 15 days, compared to January's 50 mm (2.0 in) across 9 days. Humidity remains consistent at 90% for both months. For more details, you can explore Clapham weather in January.

In December, temperatures vary from a chilly -4°C (25°F) at night to a mild 15°C (59°F) during the day, with an average of 6°C (43°F). The month experiences considerable precipitation, totaling 78 mm (3.1 in) over about 15 days, contributing to a high humidity of 90%. In contrast, February sees slightly colder nights with temperatures dipping to -6°C (22°F), but daytime highs can reach up to 18°C (65°F), maintaining the same average of 6°C (43°F). Precipitation is lower at 47 mm (1.9 in) over 11 days, and humidity decreases slightly to 88%. For more detailed information on February weather, you can check Clapham weather in February.

In December, temperatures range from a chilly -4°C (25°F) at their lowest to a mild 15°C (59°F) at their highest, with an average of 6°C (43°F). The month is relatively wet, recording about 78 mm (3.1 in) of precipitation over 15 days and maintaining high humidity levels at around 90%. In contrast, March experiences a more moderate temperature range, with minimums dipping to -7°C (20°F) and maximums reaching 22°C (71°F), averaging 7°C (45°F). Precipitation decreases to 57 mm (2.2 in) over 13 days, and humidity remains slightly lower at 86%. This transition from colder, wetter conditions in December to the milder, albeit still variable weather in March is notable. For a closer look at March conditions specifically, check out Clapham weather in March.

When comparing the weather in December and April, it's evident that April tends to be milder and drier. December experiences lower temperatures with a minimum of -4°C (25°F) and an average of only 6°C (43°F), while April showcases a warmer minimum of -2°C (29°F) and an average of 9°C (49°F), peaking at 27°C (80°F). Additionally, December has higher precipitation levels at 78 mm (3.1 in) over 15 days, compared to April's 38 mm (1.5 in) across just 8 days. Furthermore, the humidity is slightly higher in December at 90%, while April boasts a more comfortable 84%. For a more detailed overview, you can check Clapham weather in April.

In December, temperatures in Clapham typically range from a chilly minimum of -4°C (25°F) to a mild maximum of 15°C (59°F), with an average temperature of around 6°C (43°F). This month experiences a high level of humidity at 90% and receives about 78 mm (3.1 in) of precipitation over approximately 15 days. In contrast, May brings a noticeable shift in weather, with temperatures ranging from a minimum of 1°C (34°F) to a pleasant maximum of 27°C (80°F), resulting in an average temperature of 12°C (55°F). The precipitation decreases to 64 mm (2.5 in) over 11 days, and the humidity is lower at 80%. Overall, May is warmer and drier compared to the colder, wetter conditions of December. For more specific details on May weather, visit Clapham weather in May.

December and June present contrasting weather patterns, with December characterized by colder temperatures and higher humidity. In December, temperatures range from a chilly -4°C (25°F) at night to a mild 15°C (59°F) during the day, accompanied by significant precipitation of 78 mm (3.1 in) over about 15 days, and humidity levels reaching up to 90%. In contrast, June offers much warmer conditions, with nighttime lows of 6°C (44°F) and daytime highs reaching a pleasant 31°C (88°F), while precipitation is slightly lower at 73 mm (2.9 in) over 10 days and humidity at a comfortable 81%. For more details on June weather specifically, you can visit Clapham weather in June.

December and July present contrasting weather patterns in Clapham. December features chilly temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 15°C (59°F), with an average of 6°C (43°F). This month also experiences higher humidity at 90% and significant precipitation, totaling 78 mm (3.1 in) across 15 days. In stark contrast, July brings much warmer conditions, with temperatures ranging from a minimum of 7°C (45°F) to a scorching maximum of 37°C (98°F) and an average of 18°C (65°F). The humidity in July is somewhat lower at 76%, and precipitation is less frequent, totaling 68 mm (2.7 in) over 14 days. For those looking to explore more about July weather, visit Clapham weather in July.

December and August present contrasting weather conditions. In December, temperatures can drop to a chilly minimum of -4°C (25°F), with an average of 6°C (43°F) and a maximum reaching 15°C (59°F). The month is characterized by high humidity at 90% and considerable precipitation, averaging 78 mm (3.1 in) over about 15 days. In stark contrast, August enjoys milder temperatures, with a minimum of 8°C (47°F), an average of 18°C (64°F), and peaks at a warm 35°C (95°F). The humidity decreases to 77%, and while there is still some precipitation, it averages slightly less at 70 mm (2.7 in) over 12 days. This makes August a much more pleasant and drier month compared to the cold and wet December. For more details on the weather specifics, you can visit Clapham weather in August.

In comparing December and September weather, September tends to be milder and more pleasant, with average temperatures ranging from 15°C (59°F) to a maximum of 29°C (85°F). In contrast, December experiences much cooler temperatures, with a minimum of -4°C (25°F) and an average of only 6°C (43°F). Precipitation is more frequent in December, occurring on 15 days and totaling 78 mm (3.1 in), compared to September, which sees rain on just 9 days and accumulates 52 mm (2.0 in). Additionally, December has a higher humidity level at 90%, while September's humidity is a bit lower at 85%. For a detailed look at September's climate, check out the link: Clapham weather in September.

December weather is generally colder than October, with minimum temperatures dropping to -4°C (25°F) compared to October's 0°C (33°F). The average temperature in December is 6°C (43°F), which is significantly lower than October's average of 11°C (53°F). Additionally, while both months experience high humidity levels at 90%, December tends to be wetter, with 78 mm (3.1 in) of precipitation over 15 days, compared to October's 84 mm (3.3 in) over 12 days. For more details on what to expect during October, you can check Clapham weather in October.

December's weather is slightly chillier than November's, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 15°C (59°F), compared to November's minimum of -3°C (28°F) and maximum of 17°C (63°F). While both months experience considerable humidity, December is slightly less humid at 90%, compared to November's 92%. Additionally, December sees an increase in precipitation, with 78 mm (3.1 in) over 15 days, whereas November has only 53 mm (2.1 in) over 10 days. For a more detailed look at November's conditions, you can check Clapham weather in November.

Compare Clapham's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Clapham

As December rolls into Clapham, the weather takes a noticeable turn, marked by cooler temperatures and a higher likelihood of precipitation. Unlike the milder and drier months preceding it, December brings an average chill that can plunge down to freezing nights, creating a unique winter atmosphere. The high humidity of 90% paired with about 15 days of rain can make the air feel even more biting. While some may prefer the warmer spells of autumn, December's brisk conditions offer a refreshing change, inviting visitors and locals alike to embrace the cozy charm of the season. For a deeper look at Clapham's delightful winter climate, explore Clapham Climate.