December Weather in Knebworth, United Kingdom

Last updated: March 17, 2025

In Knebworth, United Kingdom, December unveils a chilly charm, with maximum temperatures reaching 14°C (58°F) while the average lingers around a brisk 6°C (43°F). As the month progresses, temperatures can dip to a sharp minimum of -5°C (23°F), setting the scene for a winter wonderland. However, rainfall is a constant companion, with precipitation totaling 83 mm (3.3 in) spread over 14 days, contributing to the noteworthy humidity level of 92%. This unique blend of cool temperatures and damp conditions makes December in Knebworth a picturesque, albeit chilly, experience for residents and visitors alike.

December Temperature in Knebworth

December in Knebworth, United Kingdom, brings a chill as winter settles in, with temperatures reflecting the season's grasp. The month typically sees minimums around -5°C (23°F), creating a crisp atmosphere, while average highs hover at 6°C (43°F). As the average temperature transitions from autumn, December's maximum can reach a mild 14°C (58°F), offering brief respite from the cold. Despite these fluctuations, the overall feel is distinctly fresh and invigorating, inviting cozy layers and festive cheer. The trends suggest a steady decline in warmth leading into winter, reminding residents and visitors alike to embrace the colder months with warmth and style.

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

The chart illustrates December temperature patterns in Knebworth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404345495561656459534643
Data source: Temperature data for Knebworth 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 Knebworth

December in Knebworth, United Kingdom, brings a notable surge in precipitation, with an impressive 83 mm (3.3 in) recorded over the month. This aligns with the trend of increased rainfall as the year draws to a close, highlighted by the 14 rainy days—the highest number of any month in the year. Following the relatively moderate rainfall of 51 mm in November, December’s deluge underscores the typical shift to wetter winter months in this region. As temperatures cool and daylight diminishes, the consistent precipitation not only adds to the lush landscape but also sets a cozy, albeit damp, backdrop to the festive season.

December Precipitation Trends in Knebworth

The chart displays monthly precipitation patterns in Knebworth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec545156326574677249865183
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Knebworth

In December, Knebworth, United Kingdom, experiences a notable high humidity level of 92%, consistent with the damp trends of late autumn. This month ties with November, highlighting a persistent moist atmosphere as the year draws to a close. The hygrometric readings reflect the gradual increase in humidity during the winter season, peaking after the relatively drier summer months, where July and August show the lowest averages at 71% and 76%, respectively. As temperatures cool, the high humidity in December creates a chilly and often overcast environment, reminding residents that winter's embrace is settled firmly in Knebworth.

December Average Humidity in Knebworth

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

In Knebworth, United Kingdom, December ushers in a distinctly low UV Index of 1, indicating minimal risk for sun exposure. This trend of reduced UV levels begins earlier in the year and reflects a gradual decline as winter sets in. Both December and January share this low exposure category, with a burn time of 45 minutes before one risks sunburn. This contrasts sharply with the peak summer months of May to July, where the UV Index spikes to 7 or 8, demanding greater caution with significantly reduced burn times. Ultimately, Knebworth experiences a seasonal ebb and flow in UV exposure, making it essential to stay informed. For detailed information about the UV Index throughout the year, visit Knebworth UV Index.

Maximum UV Index Levels in Knebworth for December

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

In Knebworth, December offers a gentle transition into winter, with an average of 109 hours of sunshine. This follows a vibrant summer peak in July with 404 hours, showcasing a clear trend of declining daylight as the year draws to a close. As autumn arrives, sunshine starts to wane, with November seeing only 144 hours. December's shorter days bring a cozy charm to the village, inviting residents to indulge in festive activities despite the crisp air. While the sunshine hours are modest compared to the lush luminosity of spring and summer, December still casts a warm glow as Knebworth prepares for the new year ahead.

Monthly Sunshine Duration in Knebworth: December Highlighted

The December sunshine duration represents the total number of hours Knebworth 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h148h210h319h398h389h404h368h300h241h144h109h
Data source: Knebworth December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Knebworth During December

In Knebworth, United Kingdom, the likelihood of sunny weather experiences a notable dip in December, with a mere 16% chance of sunshine. This trend sharply contrasts with the sunnier months earlier in the year; for instance, April boasts a significant 48% likelihood, showcasing how seasonal changes impact local weather. As the year transitions from warmer to colder months, the probabilities reveal a clear pattern: while spring and early summer typically enjoy more sunshine, the winter months, particularly December, tend to be characterized by cloudier and gloomier conditions. This decline in sunlight during December not only reflects the seasonal shift but also sets the stage for the cozy indoor activities that define the holiday season.

Percentage of Sunny Days in December in Knebworth

The chart illustrates the percentage of sunny days in Knebworth 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 Knebworth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%25%28%48%31%27%38%24%29%24%32%16%
Data source: Knebworth December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Knebworth in December

In December, Knebworth, United Kingdom, experiences a significant dip in daylight, with only 7 hours of sunshine each day. This marks the month's lowest duration, reflecting a downward trend that begins in November when daylight drops to 8 hours. As the year progresses, the daylight hours gradually increase from a mere 8 hours in January to an impressive 16 hours during the peak summer months of June and July. The contrasting seasonal patterns highlight the chilly, shorter days of winter, inviting cozy evenings and the warmth of indoor gatherings, while the longer days of spring and summer beckon outdoor adventures and extended sunlight enjoyment. As December closes, the daylight hours will soon begin to rise again, promising brighter days ahead.

Average Daylight Hours in Knebworth for December

The chart illustrates the variation in daylight duration in Knebworth throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 22m9h 57m11h 55m13h 54m15h 39m16h 34m16h 4m14h 30m12h 35m10h 36m8h 49m7h 52m
Data source: Knebworth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Knebworth

In Knebworth, United Kingdom, December brings a notable shift as average wind speeds reach 4.6 m/s (10 mph), matching the gusty conditions of both October and March. This increase contrasts with the generally calmer summer months, particularly June and July, where winds dipped to their lowest at around 3.3 m/s (7 mph). Interestingly, December and the preceding months showcase a consistency in wind speeds averaging around 4 m/s, hinting at a seasonal resilience against the winter chill. As the year closes, the winds serve as a reminder of nature’s unwavering presence, swirling through the charming village and setting the stage for the year's end.

Average December Wind Speed in Knebworth

The chart displays monthly wind speed patterns in Knebworth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.94.63.54.33.33.44.03.44.64.14.6 m/s
Data source: Knebworth December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Knebworth Compares to Other Months

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

In December, temperatures range from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), with an average of 6°C (43°F). The month experiences significant precipitation, amounting to 83 mm (3.3 in) over 14 days, contributing to a high humidity level of 92%. In contrast, January sees a slight dip in the average temperature to 5°C (41°F), while still maintaining the same maximum of 14°C (58°F). Precipitation decreases to 54 mm (2.1 in) over just 10 days, resulting in a marginally lower humidity of 91%. For more details about January weather conditions, you can check this link: Knebworth weather in January.

In December, temperatures typically range from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), with an average temperature of 6°C (43°F). This month experiences a high level of precipitation at 83 mm (3.3 inches) over about 14 days, and humidity levels hover around 92%. In contrast, February sees a slight drop in the minimum temperature to -6°C (22°F) but can reach warmer highs of 18°C (65°F) with the same average of 6°C (43°F). Precipitation in February is less, totaling 51 mm (2.0 inches) across 11 days, and humidity is also slightly lower at 89%. For more specific details, you can check Knebworth 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 around 6°C (43°F). The month sees a higher precipitation total of 83 mm (3.3 in) over approximately 14 days, contributing to a notably high humidity level of 92%. In contrast, March presents a milder climate, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 22°C (71°F), offering an average temperature of 7°C (45°F). Precipitation is less frequent in March, totaling 56 mm (2.2 in) over 13 days and a drop in humidity to 86%. For a closer look at the weather specifics during March, visit Knebworth weather in March.

In comparing the weather between December and April, one can observe notable differences in temperature and precipitation patterns. December features a colder climate, with average temperatures hovering around 6°C (43°F) and nighttime lows dipping to a brisk -5°C (23°F). This month also experiences higher humidity at 92% and significant precipitation, totaling 83 mm (3.3 in) over approximately 14 days. In contrast, April brings a welcome shift with warmer temperatures, ranging from a minimum of -2°C (29°F) to a maximum of 27°C (80°F) and an average of 9°C (49°F). This month is characterized by much lighter precipitation, only 32 mm (1.3 in) over 8 days and lower humidity at 85%. For more specific insights about April weather in Knebworth, you can explore Knebworth weather in April.

In December, the weather is quite chilly, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F). The month sees an average temperature of 6°C (43°F) and experiences around 83 mm (3.3 in) of precipitation over 14 days, with a high humidity level of 92%. In contrast, May brings much warmer conditions, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 26°C (79°F) and an average of 13°C (55°F). Precipitation decreases to 65 mm (2.5 in) over about 11 days, accompanied by lower humidity at 79%. For more detailed information about the weather in May, you can visit Knebworth weather in May.

In December, the weather is marked by chilly temperatures, with a minimum of -5°C (23°F) and an average of 6°C (43°F), reaching a maximum of 14°C (58°F). The month also experiences considerable precipitation, with about 83 mm (3.3 in) falling over 14 days and high humidity at 92%. In stark contrast, June brings much warmer conditions, featuring a minimum temperature of 7°C (45°F), an average of 16°C (62°F), and highs that can soar to 31°C (88°F). Precipitation is slightly less in June, with 74 mm (2.9 in) over 10 days, and humidity levels are lower at 80%. The difference in weather between these two months highlights the shift from winter's chill to the warmth of summer. For more details on June weather specifically, you can check Knebworth weather in June.

December and July present stark contrasts in weather. December typically experiences cold temperatures, with lows reaching as low as -5°C (23°F) and an average of around 6°C (43°F). Precipitation is fairly common during this month, with 83 mm (3.3 in) falling over 14 days, coupled with high humidity at 92%. In contrast, July brings much warmer weather, featuring temperatures that range from a minimum of 9°C (48°F) to a maximum of 36°C (96°F) and an average of 18°C (65°F). Although July sees less precipitation, totaling 67 mm (2.6 in) over 12 days, the humidity is lower at 71%. For more specific details on the weather conditions in July, you can check Knebworth weather in July.

When comparing the weather in December and August, a stark contrast emerges. December sees colder temperatures, with a minimum of -5°C (23°F) and an average of 6°C (43°F), while in August, the temperatures rise significantly, ranging from a minimum of 8°C (47°F) to a maximum of 34°C (93°F). Precipitation is slightly higher in December, totaling 83 mm (3.3 in) over 14 days compared to August's 72 mm (2.8 in) over 13 days. Moreover, December's humidity at 92% contributes to a damp chill, contrasting sharply with the more moderate 76% humidity in August, making it feel much warmer. For more detailed information about weather in August, you can visit Knebworth weather in August.

December and September exhibit notably different weather patterns. In December, the temperatures range from a chilly minimum of -5°C (23°F) to a maximum of 14°C (58°F), averaging around 6°C (43°F). The month sees a significant amount of precipitation, totaling 83 mm (3.3 in) over 14 days, coupled with high humidity levels of 92%. In contrast, September enjoys milder conditions with temperatures ranging from a minimum of 3°C (38°F) to a comfortable maximum of 28°C (83°F), leading to an average temperature of 15°C (59°F). Rainfall in September is considerably less, measuring 49 mm (1.9 in) across 10 days and with slightly lower humidity at 82%. For more detailed insights on September weather, check out Knebworth weather in September.

In comparing the weather of December and October, December presents a chillier outlook, with minimum temperatures dipping to -5°C (23°F) and average highs reaching only 14°C (58°F). In contrast, October enjoys milder conditions, featuring minimum temperatures around 1°C (34°F) and an average high of 23°C (73°F). Both months see a similar amount of precipitation, with December recording 83 mm (3.3 in) over 14 days and October just slightly more at 86 mm (3.4 in) over 12 days. The humidity is also high in both months, hovering at 92% in December and 90% in October, making the air feel damp and chilly as the year draws to a close. For more details, you can check out Knebworth weather in October.

When comparing the weather in December to November, December tends to be cooler overall, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), compared to November's milder range of -2°C (29°F) to 16°C (62°F). December also sees increased precipitation, with 83 mm (3.3 in) falling over 14 days, while November records only 51 mm (2.0 in) over 10 days. Despite both months exhibiting high humidity levels of 92%, the cooler temperatures and higher precipitation in December create a noticeably different weather experience. For a more detailed look at November's conditions, visit Knebworth weather in November.

Compare Knebworth's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Knebworth

As December descends upon Knebworth, the weather takes a notable turn compared to the milder months preceding it. With maximum temperatures peaking at 14°C (58°F) but often drifting down to chilling lows around -5°C (23°F), the month brings a mix of cold and the occasional, but welcome, warmth. The average temperature hovers around 6°C (43°F), contrasting sharply with the warmth of late autumn. Additionally, December is characterized by an uptick in precipitation, with 83 mm (3.3 in) falling over 14 days, blanketing the season in a damp chill. The high humidity level of 92% can make the air feel even colder, creating that classic winter atmosphere. For a more comprehensive look at the weather patterns throughout the year, check out Knebworth Climate.