December Weather in Sunningdale, United Kingdom

Last updated: March 17, 2025

December in Sunningdale, United Kingdom, presents a charming yet crisp winter atmosphere characterized by a maximum temperature of 14°C (58°F) and an average of 6°C (44°F). As temperatures dip to a minimum of -5°C (23°F), residents and visitors alike can expect a cold embrace as they navigate the season. The month is also marked by frequent rain, accumulating to 83 mm (3.2 in) over 15 days, contributing to a high humidity level of 92%. This combination of cooler temperatures and elevated moisture levels makes for a distinctly moody December, perfect for cozy indoor activities and festive celebrations.

December Temperature in Sunningdale

In Sunningdale, December temperatures mark the onset of winter, showcasing a chilly transition with minimums dipping to -5°C (23°F). The average temperature sits at a brisk 6°C (44°F), providing a stark contrast to the milder conditions of the preceding months. As December unfolds, the maximum temperature peaks at 14°C (58°F), a modest high that hints at the gradual onset of the colder season. This month encapsulates the seasonal shift, reflecting a downward trend from the fall's mild ease into winter's cold embrace, making it a time when warm layers and cozy settings become essential for residents and visitors alike.

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

The chart illustrates December temperature patterns in Sunningdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495561656359534643
Data source: Temperature data for Sunningdale 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 Sunningdale

December in Sunningdale, United Kingdom, marks a significant uptick in precipitation, with 83 mm (3.2 in) falling over 15 days — making it one of the wetter months of the year. This increase in rainfall comes on the heels of a relatively dry November, which recorded just 54 mm (2.1 in) over 11 days. The trend for December stands out, with more precipitation days compared to previous months, indicating a shift towards the wetter winter season. As the year closes, residents can expect a more sodden atmosphere, enhancing the typical charm of the festive season in this picturesque locale.

December Precipitation Trends in Sunningdale

The chart displays monthly precipitation patterns in Sunningdale, 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.
JanFebMarAprMayJunJulAugSepOctNovDec515258346575666947925483
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sunningdale

As December arrives in Sunningdale, the humidity remains high at 92%, mirroring the slightly wetter November. This month marks the peak of humidity for the year, showing a trend of increasing levels as autumn shifts into winter. Following a gradual decline from a humid 91% in January to a lower 71% in July, the climate begins to stabilize once again in the colder months. Throughout the year, Sunningdale experiences fluctuating humidity levels, with a noticeable rise in the last quarter. This cyclical pattern highlights the region’s tendency towards dampness during winter, making December especially rich in moisture, ideal for cozy indoor gatherings but a reminder of the chill outside.

December Average Humidity in Sunningdale

This chart illustrates the average monthly humidity levels in Sunningdale, 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%79%81%71%76%82%91%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sunningdale

In December, Sunningdale experiences a low UV Index of 1, indicating minimal sun exposure risk and an ample burn time of 45 minutes. This trend of lower UV levels continues from November's Index of 2, reflecting the seasonal shift towards winter. Throughout the year, the UV Index in Sunningdale generally escalates from a low of 1 in the colder months to a peak of 8 during the summer, particularly in June and July, when the risk significantly heightens. As the year winds down, residents can take comfort in knowing that with the December UV Index remaining low, outdoor activities can be enjoyed without the immediate worry of sunburn. For more insight on UV levels throughout the year, visit Sunningdale UV Index.

Maximum UV Index Levels in Sunningdale for December

The chart shows the monthly maximum UV Index (UVI) for Sunningdale 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Sunningdale 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 Sunningdale

In December, Sunningdale, United Kingdom, basks in a modest 111 hours of sunshine, a gentle reminder of the shorter days as winter settles in. This marks a significant dip from the vibrant spring and summer months, where hours soared, peaking at 402 hours in July. The year unfolds gracefully, starting from just 98 hours in January, with a gradual climb toward the brightness of late spring. As the seasons change, the steady increase in sunlight peaks in May, boasting 394 hours, before transitioning back into the darker, cooler months. Despite the reduction in December, this quaint town still enjoys a peaceful glow during the festive season, illuminating the serene winter landscape.

Monthly Sunshine Duration in Sunningdale: December Highlighted

The December sunshine duration represents the total number of hours Sunningdale 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h149h208h316h394h383h402h365h299h241h145h111h
Data source: Sunningdale December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sunningdale During December

In Sunningdale, the likelihood of seeing sunny weather in December is relatively low, with only 17% of days graced by sunshine. This trend aligns with the overall pattern of decreasing sun chances as the year progresses, peaking in April at 51% before tapering off in the subsequent months. Following the vibrant spring, summer months like July and August also yield modest sun probabilities, hovering around 37% and 23%, respectively. After a brief resurgence in November at 32%, December marks the onset of winter's overcast days, making it one of the cloudiest months in Sunningdale. Thus, those hoping for a bright December will likely encounter more dreary skies than sun-drenched scenes.

Percentage of Sunny Days in December in Sunningdale

The chart illustrates the percentage of sunny days in Sunningdale 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 Sunningdale experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%24%28%51%32%26%37%23%27%25%32%17%
Data source: Sunningdale December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sunningdale in December

As the year winds down, Sunningdale, United Kingdom experiences a notable decrease in daylight, with December offering just 7 hours of light per day. This marks the lowest point in the annual cycle, following the steady decline from the vibrant 16 hours of daylight enjoyed in the summer months of June and July. As the days shorten, November and December provide a stark reminder of winter's arrival, with just 8 hours and 7 hours of daylight, respectively. This transition from the longer, sun-soaked days of May and June to the more subdued light of December illustrates the rhythmic dance of the seasons, compelling residents to embrace the cozy indoor activities that this darker time of year often encourages.

Average Daylight Hours in Sunningdale for December

The chart illustrates the variation in daylight duration in Sunningdale throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 23m9h 58m11h 55m13h 54m15h 38m16h 32m16h 3m14h 30m12h 35m10h 36m8h 50m7h 53m
Data source: Sunningdale daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Sunningdale

As December settles in Sunningdale, a noticeable shift in wind patterns emerges. With an average wind speed of 4.4 m/s (10 mph), December mirrors the brisk winds of both March and October, suggesting a seasonally progressive return to lively gusts as winter unfolds. This increase marks a slight uptick from the gentler summer months, highlighting a departure from the calm of June and July, where wind speeds dipped to around 3.1 m/s (7 mph). The month acts as a bridge between the milder autumn and the harsher conditions of the New Year, reinforcing the sense of a brisk, invigorating atmosphere as nature prepares for the chill of winter.

Average December Wind Speed in Sunningdale

The chart displays monthly wind speed patterns in Sunningdale, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.84.43.44.23.13.23.73.34.33.84.4 m/s
Data source: Sunningdale December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Sunningdale Compares to Other Months

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

In December, the weather typically sees a minimum temperature of -5°C (23°F), with an average of 6°C (44°F) and a maximum of 14°C (58°F). This month is characterized by higher precipitation levels, averaging 83 mm (3.2 in) over 15 days, and a humidity of 92%. In contrast, January experiences slightly cooler average temperatures, with a minimum of -5°C (23°F), an average of 5°C (41°F), and a maximum that remains the same at 14°C (58°F). Precipitation decreases significantly to 51 mm (2.0 in) over 9 days, while humidity levels remain relatively comparable at 91%. For more detailed information, you can visit Sunningdale weather in January.

In December, the weather is characterized by a slightly milder average temperature of 6°C (44°F), with daytime highs reaching 14°C (58°F) and nighttime lows dipping to -5°C (23°F). The month experiences significant precipitation, totaling 83 mm (3.2 in) over 15 days, accompanied by high humidity levels of 92%. In contrast, February brings colder conditions with an average temperature of 6°C (43°F), although it can reach highs up to 18°C (65°F) and lows of -7°C (19°F). Precipitation decreases to 52 mm (2.0 in) over 10 days, and humidity is slightly lower at 89%. For more details on February weather, you can visit Sunningdale weather in February.

In December, temperatures typically range from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), with an average of 6°C (44°F). The month sees an average of 83 mm (3.2 in) of precipitation over 15 days, along with high humidity levels of 92%. In contrast, March experiences slightly cooler temperatures with a minimum of -6°C (22°F) and a maximum of 22°C (71°F), while the average temperature rises to 7°C (45°F). Precipitation decreases to 58 mm (2.3 in) spread over 13 days, and humidity levels drop modestly to 86%. For a detailed look at the conditions during this month, check out Sunningdale weather in March.

December weather is characterized by colder temperatures, with minimums reaching -5°C (23°F) and an average of 6°C (44°F), while April sees a mild transition with minimums around -3°C (27°F) and an average of 9°C (49°F). The maximum temperatures in December peak at 14°C (58°F), compared to a much warmer 26°C (80°F) in April. Additionally, December experiences higher precipitation totaling 83 mm (3.2 in) over 15 days, whereas April has significantly less rain at 34 mm (1.4 in) over just 8 days. Humidity is also slightly lower in April at 85%, compared to December's 92%. For more detailed insights, check out Sunningdale weather in April.

In December, temperatures can drop to a chilling minimum of -5°C (23°F), with an average of 6°C (44°F) and a maximum reaching 14°C (58°F). The month is characterized by high humidity at 92% and frequent rainfall over approximately 15 days, accumulating to 83 mm (3.2 in). In contrast, May welcomes warmer weather, starting from a minimum of 1°C (33°F) and peaking at 26°C (79°F), with an average temperature of 13°C (55°F). Rainfall in May is lighter, totaling 65 mm (2.6 in) across 10 days, and humidity decreases to a more comfortable 79%. For those interested in what to expect, you can explore more about Sunningdale weather in May.

December and June exhibit strikingly contrasting weather patterns. In December, temperatures range from a chilly -5°C (23°F) at night to a mild 14°C (58°F) during the day, with an average of 6°C (44°F). The month sees considerable precipitation of 83 mm (3.2 in) spread across 15 days, combined with high humidity levels at 92%. In contrast, June boasts much warmer temperatures, with nighttime lows of 7°C (44°F) and daytime highs reaching up to 31°C (88°F), averaging 16°C (62°F). Precipitation decreases to 75 mm (2.9 in) over just 10 days, and humidity is lower at 80%. For more details on the delightful June weather, you can check Sunningdale weather in June.

When comparing the weather in December and July, it's clear that the two months present vastly different climates. December experiences colder temperatures, with a minimum of -5°C (23°F) and an average of 6°C (44°F), while July boasts much warmer conditions, ranging from a minimum of 8°C (47°F) to an average of 18°C (65°F) and even reaching maximums of 35°C (96°F). Additionally, December sees higher humidity at 92% and more precipitation, totaling 83 mm (3.2 in) over 15 days, compared to July's 66 mm (2.6 in) spread over just 11 days and lower humidity at 71%. For those looking for specifics on July weather in Sunningdale, you can find more information here: Sunningdale weather in July.

In December, temperatures can be quite chilly, ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), with an average of 6°C (44°F). This month experiences 83 mm (3.2 in) of precipitation over about 15 days, coupled with high humidity levels at 92%. In contrast, August offers a much warmer climate, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 33°C (92°F), and an average temperature of 17°C (64°F). While August sees slightly less precipitation at 69 mm (2.7 in) over 12 days, the humidity is noticeably lower at 76%. For more insights on August weather, you can visit Sunningdale weather in August.

December weather features colder temperatures, with a minimum of -5°C (23°F) and an average of 6°C (44°F), compared to the milder September, which boasts a minimum of 3°C (38°F) and an average of 15°C (59°F). While December experiences more precipitation at 83 mm (3.2 in) over 15 days, September is relatively drier with 47 mm (1.8 in) spread over 10 days. Humidity levels are slightly higher in December at 92%, compared to September's 82%, contributing to the more chill and damp atmosphere of late fall. For a closer look at September's climate, you can check Sunningdale weather in September.

In comparing the weather of October and December, a notable shift in temperatures is evident. December experiences colder conditions, with minimum temperatures dropping to -5°C (23°F) and an average of 6°C (44°F), while October boasts milder temperatures, ranging from a minimum of 1°C (34°F) to an average of 12°C (53°F). Additionally, December sees a slight increase in precipitation, totaling 83 mm (3.2 in) over 15 days compared to October's 92 mm (3.6 in) over 12 days. Humidity levels remain high in both months, with December at 92% and October at 90%. For more detailed climate patterns, you can refer to Sunningdale weather in October.

When comparing the weather in December to November, we can observe several notable differences. December experiences slightly lower average temperatures, ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), compared to November’s range of -2°C (29°F) to 16°C (62°F). Additionally, December sees more precipitation, with 83 mm (3.2 in) falling over 15 days, while November has only 54 mm (2.1 in) over 11 days. Despite having the same humidity level of 92%, December's cooler temperatures and increased rainfall contribute to a distinctly colder and wetter feel as winter approaches. For more details, you can check Sunningdale weather in November.

Compare Sunningdale's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Sunningdale

December in Sunningdale marks a noticeable shift from the milder months, with winter firmly establishing its presence. The chill sets in as temperatures drop, leading to a distinctive invigorating cold that contrasts sharply with the preceding autumn. Alongside this, the increased precipitation—with about half the month experiencing rain—adds to the winter atmosphere, making December one of the wetter months of the year. The high humidity levels create a damp chill that lingers, urging residents and visitors alike to embrace cozy indoor pursuits. For those interested in a deeper understanding of Sunningdale's climate throughout the year, this month serves as a fascinating transition into the bracing beauty of winter. Learn more about the seasonal variations by visiting Sunningdale Climate.