December Weather in Croydon, United Kingdom

Last updated: March 17, 2025

In December, Croydon experiences a chilly climate characterized by temperatures ranging from a maximum of 14°C (58°F) to a minimum of -4°C (25°F), with an average hovering around 6°C (44°F). This month is notably wet, accumulating about 84 mm (3.3 in) of rainfall over 14 days, contributing to a high humidity level of 92%. As winter settles in, the combination of cool temperatures and persistent moisture creates a unique atmosphere in this vibrant area of the United Kingdom.

December Temperature in Croydon

In December, Croydon experiences a notable transition as winter settles in, with temperatures ranging from a chilly -4°C (25°F) as a minimum to a mild 14°C (58°F) at its peak. The average temperature hovers around 6°C (44°F), reflecting a gradual cooling trend that begins in November. As the year draws to a close, the typical December climate signifies the onset of colder days, yet it remains noticeably milder compared to January’s depths. This pattern of relatively mild winters makes December a unique time in Croydon, where crisp air combines with the festive spirit, inviting both locals and visitors to embrace the season's charm.

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

The chart illustrates December temperature patterns in Croydon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414346495562656459544643
Data source: Temperature data for Croydon 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 Croydon

December in Croydon marks the peak of the winter wet season, with precipitation reaching an average of 84 mm (3.3 in). This notable increase in rainfall is reflected in the 14 days of precipitation, making it the month with the highest number of rainy days in the year. As the cold sets in, December's deluge stands in sharp contrast to the drier spells experienced in the spring, where rainfall drops significantly to as low as 32 mm (1.3 in) in April. The trend shows a gradual rise in precipitation from the autumn months, peaking sharply in December before it begins to taper off in January, hinting at the transition towards drier, albeit chilly, winter conditions.

December Precipitation Trends in Croydon

The chart displays monthly precipitation patterns in Croydon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec545253326377647245814884
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Croydon

In Croydon, December ushers in a notable return to high humidity levels, measuring 92%, mirroring the dampness experienced in November. This winter month continues a trend of elevated humidity that began with the onset of autumn, reflecting a gradual rise from the drier days of summer. As temperatures dip, moisture levels climb, demonstrating Croydon's characteristic shift towards a more humid climate during the colder months. Interestingly, while summer months average around 76% to 73%, the late autumn and winter months consistently push past the 90% mark, signaling a season where the air is thick with moisture, enveloping the town in a chilly embrace.

December Average Humidity in Croydon

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

As December arrives in Croydon, United Kingdom, the UV Index drops to a low level of 1, mirroring the conditions seen at the beginning of the year. With a burn time of 45 minutes, outdoor enthusiasts can enjoy the cooler, crisp air without significant sun exposure risk. This trend of low UV levels in winter months contrasts sharply with the very high UV Index peaks of 8 observed in July and June, emphasizing the seasonal variation in UV radiation. As the year progresses, it's clear that Croydonians should stay vigilant in higher sun months, but for now, December's gentle rays provide a welcome respite. For more detailed information, check out the Croydon UV Index.

Maximum UV Index Levels in Croydon for December

The chart shows the monthly maximum UV Index (UVI) for Croydon 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Croydon 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 Croydon

In Croydon, United Kingdom, December heralds the onset of winter with a modest 106 hours of sunshine, marking it as one of the least sunny months of the year. This reduction follows a gradual decline from the sunniest days of late summer, where July shines brightest with 405 hours. As the year progresses, the sunshine hours dip significantly from March's 211 hours down to December, illustrating a clear seasonal trend influenced by shifting weather patterns. Despite the chill, December’s limited sunshine still provides a cozy backdrop for festive celebrations, reminding us that even in the heart of winter, moments of warmth and light can be cherished.

Monthly Sunshine Duration in Croydon: December Highlighted

The December sunshine duration represents the total number of hours Croydon 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.
JanFebMarAprMayJunJulAugSepOctNovDec95h146h211h319h398h393h405h372h300h240h142h106h
Data source: Croydon December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Croydon During December

As December approaches in Croydon, the likelihood of sunny days takes a noticeable dip, with chances plummeting to just 17%. This marks the lowest point of the year, contrasting sharply with the more cheerful prospects seen in spring, where April peaks at 49%. The trend indicates a gradual decline in sunshine from the brighter early months, slumping further into the winter. While the month offers some respite from the gray, the chances of basking in the sun are slim, making it the ideal time to embrace cozy indoor activities rather than chasing elusive rays.

Percentage of Sunny Days in December in Croydon

The chart illustrates the percentage of sunny days in Croydon 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 Croydon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%25%29%49%34%29%39%26%29%25%32%17%
Data source: Croydon December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Croydon in December

As December unfolds in Croydon, the city experiences one of the shortest daylight durations of the year, with only 7 hours of daylight. This stark contrast to the long, sunlit days of summer—where daylight peaks at 16 hours in June and July—marks a seasonal shift, as daylight gradually decreases from the year's zenith. Following a gentle decline from 15 hours in May to 10 hours in October, November completes this cycle with only 8 hours of light. December continues the trend of dwindling brightness, preparing residents for the festive season under shorter, cozier days. As winter progresses, the anticipation builds for longer days to return, beginning anew with the promise of spring.

Average Daylight Hours in Croydon for December

The chart illustrates the variation in daylight duration in Croydon 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 33m16h 4m14h 30m12h 35m10h 36m8h 49m7h 53m
Data source: Croydon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Croydon

As December arrives in Croydon, the average wind speed reaches 4.3 m/s (10 mph), mirroring the breezy conditions of October. This uptick in windiness signals a shift from the milder autumn months, where wind speeds dipped notably in June and July to around 3.0 m/s (7 mph). Interestingly, December's winds maintain a tempo similar to early winter, as January typically features an average wind speed of 4.1 m/s (9 mph), positioning Croydon within a consistent winter breeze pattern. Overall, as the year ends, a trend emerges where colder months bring steadier winds, unlike the lighter breezes felt during the summer, creating a vibrant atmosphere in this dynamic locality.

Average December Wind Speed in Croydon

The chart displays monthly wind speed patterns in Croydon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.64.43.44.23.03.33.83.24.33.74.3 m/s
Data source: Croydon December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Croydon Compares to Other Months

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

December and January in Croydon exhibit similar temperature ranges, with average highs reaching 14°C (58°F) in both months. However, December tends to be slightly milder, with an average temperature of 6°C (44°F) compared to January's 5°C (41°F). Moreover, December experiences more precipitation, totaling 84 mm (3.3 in) across 14 days, while January sees a reduction to 54 mm (2.1 in) over just 9 days. Humidity levels remain fairly consistent, with December at 92% and January slightly lower at 91%. For more detailed information, you can check Croydon weather in January.

In December, temperatures typically range from a minimum of -4°C (25°F) to a maximum of 14°C (58°F), with an average temperature of 6°C (44°F). The month experiences relatively high precipitation at 84 mm (3.3 in) over approximately 14 days, coupled with a high humidity level of 92%. In contrast, February's weather is slightly cooler, with a minimum temperature of -7°C (21°F) and a maximum of 18°C (65°F), but it has a similar average temperature of 6°C (43°F). Precipitation is lower in February at 52 mm (2.0 in), occurring over about 11 days, and humidity decreases slightly to 89%. For more detailed information about February weather, you can visit Croydon weather in February.

December weather typically presents colder conditions compared to March, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (58°F). This month experiences greater precipitation, totaling 84 mm (3.3 in) over 14 days, alongside relatively high humidity levels of 92%. In contrast, March brings milder temperatures, with averages between -5°C (23°F) and 22°C (72°F). Although it has slightly less precipitation at 52 mm (2.1 in) across 13 days, the humidity remains fairly high at 86%. For more specific insights into the weather, you can visit Croydon weather in March.

In December, temperatures range from a chilly -4°C (25°F) to a maximum of 14°C (58°F), with an average of 6°C (44°F). The month is marked by high humidity levels at 92% and 84 mm (3.3 in) of precipitation over 14 days, making it a notably wet and cold period. In contrast, April sees milder weather, with minimum temperatures of -2°C (29°F) and a maximum reaching 26°C (80°F), averaging around 10°C (49°F). This month has significantly less precipitation at 32 mm (1.3 in) spread over just 7 days, with humidity levels dropping to 85%. For more details on the weather in April, you can visit Croydon weather in April.

December and May present contrasting weather conditions. In December, temperatures can dip to a minimum of -4°C (25°F) and average around 6°C (44°F), with a maximum of 14°C (58°F). The month experiences frequent precipitation, totaling 84 mm (3.3 in) over about 14 days, combined with high humidity at 92%. In stark contrast, May enjoys milder temperatures, ranging from a minimum of 1°C (34°F) to an average of 13°C (55°F) and peaking at 25°C (78°F). Precipitation is lighter in May, at 63 mm (2.5 in) over approximately 10 days, and humidity is slightly lower at 82%. For more details, visit Croydon weather in May.

December and June present a stark contrast in weather conditions. In December, temperatures can dip as low as -4°C (25°F) and typically hover around an average of 6°C (44°F), with maximums reaching 14°C (58°F). This month also sees considerable precipitation, totaling 84 mm (3.3 in) over 14 days, and the humidity levels are high at 92%. In contrast, June offers a much warmer climate, with minimum temperatures around 7°C (45°F) and average highs of 32°C (89°F), making it a pleasant time of year. Rainfall is slightly lower in June at 77 mm (3.0 in), spread over just 8 days, and the humidity decreases to 81%. For more specific insights, you can check Croydon weather in June.

December and July showcase stark contrasts in weather. In December, temperatures often dip as low as -4°C (25°F) and barely rise above 14°C (58°F), with an average of 6°C (44°F). This month also experiences significant precipitation, averaging 84 mm (3.3 in) over 14 days, coupled with high humidity at 92%. In contrast, July enjoys milder temperatures, with a minimum of 9°C (49°F) and maximums soaring up to 36°C (97°F). The average temperature reaches around 18°C (65°F), making it a much warmer month overall. Rainfall is less frequent, totaling 64 mm (2.5 in) over 11 days, with humidity at a more comfortable 76%. For a closer look at the weather specifics in July, check out Croydon weather in July.

In December, the weather is significantly colder, with temperatures ranging from a chilly -4°C (25°F) to a milder 14°C (58°F), while August enjoys much warmer conditions, with minimum temperatures at 8°C (47°F) and maximums reaching up to 34°C (94°F). December sees higher humidity levels at 92%, contributing to a damp atmosphere, along with 84 mm (3.3 in) of precipitation over about 14 days. In contrast, August experiences lower humidity at 73% and slightly less rainfall, with 72 mm (2.8 in) spread over 12 days. For more insights into the summer climate, check out Croydon weather in August.

When comparing the weather in December and September, a notable contrast emerges. December typically experiences colder temperatures, with daily averages around 6°C (44°F) and night-time lows dropping to -4°C (25°F), while September enjoys milder conditions, averaging 15°C (60°F) and peaking at a warm 28°C (83°F). Additionally, December is characterized by higher precipitation levels at 84 mm (3.3 in) over about 14 days, compared to September's more manageable 45 mm (1.8 in) across just 9 days. Humidity levels also differ, as December maintains a high at 92%, whereas September sees a lower 80% humidity, contributing to a more comfortable feel. For more detailed information on September's climate, visit Croydon weather in September.

In comparing the weather between December and October, December is marked by significantly colder temperatures, with a minimum of -4°C (25°F) and a maximum of only 14°C (58°F), while October enjoys milder conditions with temperatures ranging from a minimum of 1°C (34°F) to a pleasant maximum of 23°C (73°F). Precipitation levels are relatively similar, with December receiving 84 mm (3.3 in) over 14 days and October experiencing 81 mm (3.2 in) over 12 days. Additionally, humidity is slightly higher in December at 92%, compared to October's 89%. For more detailed insights on October's climate, you can visit Croydon weather in October.

In comparing the weather of December to November, December tends to be colder, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (58°F). In contrast, November features slightly milder temperatures, with averages between -2°C (28°F) and 17°C (62°F). Additionally, December sees increased precipitation, totaling 84 mm (3.3 in) over 14 days, while November has only 48 mm (1.9 in) of rain over 10 days. Both months share a high humidity level of 92%. For more details about November's weather in Croydon, you can visit Croydon weather in November.

Compare Croydon's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Croydon

December in Croydon presents a notable shift from the milder conditions of earlier months, characterized by colder temperatures and increased precipitation. With maximums reaching only 14°C and a chilly average of 6°C, residents feel the winter chill as temperatures dip, even plunging to -4°C on particularly cold nights. Unlike the drier spells of autumn, December sees around 14 days of rain, contributing to a humid atmosphere with levels soaring to 92%. This blend of cold and wet weather sets the stage for the festive season, making it a month that contrasts sharply with the preceding milder months. For a deeper understanding of what to expect throughout the year, check out the detailed insights at Croydon Climate.