December Weather in Cirencester, United Kingdom

Last updated: March 17, 2025

December in Cirencester, United Kingdom, brings a chilly embrace, with temperatures ranging from a brisk maximum of 14°C (57°F) to a biting minimum of -7°C (20°F). The average temperature settles around 6°C (43°F), making it essential for residents and visitors alike to bundle up against the winter air. This month sees a notable precipitation total of 88 mm (3.5 in), spread over 16 days of rain, contributing to the high humidity level of 92%. As the festive season unfolds, December's weather adds a frosty charm to the picturesque landscape of Cirencester.

December Temperature in Cirencester

In Cirencester, United Kingdom, December ushers in a notable drop in temperatures, creating a chill in the air that signals the onset of winter. With a minimum of -7°C (20°F), it’s one of the colder months, contrasting sharply with the slightly milder conditions of the preceding months. The average temperature hovers around 6°C (43°F), while daytime highs reach a modest 14°C (57°F), reflecting a seasonal transition where crisp mornings give way to cool afternoons. As temperatures dip, the landscape transforms, inviting cozy gatherings and festive cheer amidst the stunning winter scenery. Overall, December serves as a stark reminder of winter's embrace, marking a significant shift in Cirencester's climate as the year draws to a close.

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

The chart illustrates December temperature patterns in Cirencester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414245485460646258524643
Data source: Temperature data for Cirencester 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 Cirencester

In December, Cirencester experiences a notable uptick in precipitation, receiving 88 mm (3.5 in) of rain over 16 days. This marks a significant increase compared to the previous months, with the wettest months typically being October and December. The trend shows that as the year draws to a close, rainfall occurs more frequently, contributing to the festive atmosphere of the season. With about two-thirds of December's days seeing rain, residents can expect to witness the landscape adorned in rich hues of green, thanks to the abundant moisture. This pattern underscores a consistent shift in weather, transitioning from the drier, milder conditions of early autumn to the wet and chilly embrace of winter.

December Precipitation Trends in Cirencester

The chart displays monthly precipitation patterns in Cirencester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec556169487776687457986688
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cirencester

In Cirencester, United Kingdom, December experiences a notable 92% humidity, mirroring the peak levels of the preceding months. As the year winds down, the air remains heavy with moisture, consistent with the trend observed in November. This period sees one of the highest humidity levels in the year, creating a tranquil yet damp atmosphere that often characterizes the winter months. Interestingly, following the humid spell of early winter, the humidity begins to gradually decrease in January. Observing this pattern, it becomes clear that while the months yield varying humidity levels, December stands out as a continuation of the high humidity trend, setting the stage for the new year.

December Average Humidity in Cirencester

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

In December, Cirencester experiences a return to a low UV Index of 1, reminiscent of the early winter months. This signals a time when sunburn risks are minimal, with a comfortable burn time of 45 minutes before skin is at risk of damage. As the year progresses, the UV Index fluctuates significantly, peaking at 8 in the summer months of June and July, where exposure becomes critical and burn times shorten considerably to just 15 minutes. Meanwhile, the transition from winter to spring sees the Index rise, peaking in late spring and early summer before tapering off again in autumn. For more detailed information on UV trends throughout the year, you can visit Cirencester UV Index.

Maximum UV Index Levels in Cirencester for December

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

In December, Cirencester experiences a gentle decline in sunshine hours, with the month averaging 110 hours of sunshine. This figure reflects a notable decrease from the year's peak in July, which boasts a dazzling 394 hours. As winter approaches, the shorter days become more evident, with previous months like November also showing a dip to 135 hours. The transition from the vibrant light of May’s 382 hours to the subdued December sun highlights the shifting rhythm of the seasons, reminding us of the cozy charm that winter brings to this historic town. As the year draws to a close, the soft, golden rays of December sunshine provide a gentle respite, making each hour under the clear skies feel particularly precious amidst the chilly air.

Monthly Sunshine Duration in Cirencester: December Highlighted

The December sunshine duration represents the total number of hours Cirencester 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h143h195h310h382h367h394h348h284h231h135h110h
Data source: Cirencester December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cirencester During December

When considering the likelihood of sunny weather in Cirencester during December, it's important to note a general trend where the chances of sunshine dip significantly as winter approaches. With only an 18% chance of sunny days, December marks one of the gloomiest months of the year in this charming UK town. In comparison, April stands out with a striking 51% chance, hinting at the seasonal transition towards more radiant weather. As the year closes, the sun tends to retreat, leading to a stark contrast with the sunnier spring months, making December a time when overcast skies and chilly temperatures prevail rather than the warmth of the sun.

Percentage of Sunny Days in December in Cirencester

The chart illustrates the percentage of sunny days in Cirencester 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 Cirencester experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%23%27%51%32%26%36%25%26%24%30%18%
Data source: Cirencester December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cirencester in December

As December arrives in Cirencester, daylight hours dip to their lowest point of the year, offering only 7 hours of light. This decline follows a predictable rhythm, with the year starting at 8 hours in January and gradually increasing to a summer peak of 16 hours in both June and July. Once August rolls around, daylight gradually wanes, echoing a sense of transition as days grow shorter. Despite the winter chill, December’s brief daylight serves as a poignant reminder of nature's cyclical patterns, preparing us for the eventual return of longer, sunnier days in the upcoming months. Embracing the crisp air and the beauty of twilight becomes essential, as we eagerly anticipate the gradual return of light with the onset of January.

Average Daylight Hours in Cirencester for December

The chart illustrates the variation in daylight duration in Cirencester 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 55m15h 39m16h 34m16h 5m14h 31m12h 35m10h 36m8h 49m7h 51m
Data source: Cirencester daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Cirencester

As December settles in Cirencester, the average wind speed gently climbs to 4.7 m/s (10 mph). This shift reflects a notable increase compared to the lighter breezes of summer, where the winds lingered around 3.1 to 3.8 m/s. While spring heralded varying gusts from 3.4 to 5.3 m/s, winter’s approach brings about a steadier current, consistently peaking as the year draws to a close. As temperatures drop, the increase in wind speed serves as a reminder of the season’s arrival, mingling brisk energy with the crisp chill in the air. With the transition from autumn's 3.9 m/s winds to December's invigorating gusts, it's clear that winter is ready to embrace Cirencester with a refreshing breath of colder air.

Average December Wind Speed in Cirencester

The chart displays monthly wind speed patterns in Cirencester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.45.34.53.44.23.33.13.83.54.63.94.7 m/s
Data source: Cirencester December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Cirencester Compares to Other Months

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

December and January exhibit distinct weather characteristics, despite having similar maximum temperatures of 14°C (57°F). In December, the temperature ranges from a minimum of -7°C (20°F) to an average of 6°C (43°F), with a considerable amount of precipitation at 88 mm (3.5 in) over 16 days and high humidity levels at 92%. In contrast, January shows a slightly milder temperature range with minimums of -4°C (24°F) and an average of 5°C (41°F). Precipitation decreases significantly to 55 mm (2.2 in) over just 10 days, accompanied by a marginally lower humidity of 91%. For more detailed information, check out Cirencester weather in January.

In December, temperatures range from a minimum of -7°C (20°F) to a maximum of 14°C (57°F), with an average of 6°C (43°F). The month sees significant precipitation, totaling 88 mm (3.5 in) over 16 days, coupled with high humidity at 92%. In contrast, February offers slightly colder temperatures, with a minimum of -8°C (18°F) and a higher maximum of 18°C (64°F), while still averaging 6°C (43°F). Precipitation is less prevalent in February, with 61 mm (2.4 in) recorded over 13 days and humidity remaining relatively high at 89%. For a detailed look at February's weather in Cirencester, visit Cirencester weather in February.

December and March present a noticeable contrast in weather conditions. In December, temperatures typically range from a chilly -7°C (20°F) at night to a mild 14°C (57°F) during the day, with an average of 6°C (43°F). This month sees quite a bit of precipitation, averaging 88 mm (3.5 in) over 16 days, and high humidity at 92%. In comparison, March experiences slightly milder temperatures with a minimum of -6°C (21°F) and a maximum of 21°C (70°F), with an average temperature of 7°C (45°F). Precipitation is less frequent in March, totaling 69 mm (2.7 in) over 14 days, and humidity decreases to 86%. For a detailed look at weather specifics, you can visit Cirencester weather in March.

In December, the weather tends to be quite chilly, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 14°C (57°F) and an average of 6°C (43°F). The month experiences significant precipitation, totaling 88 mm (3.5 in) over 16 days, contributing to a high humidity level of 92%. In contrast, April brings a notable increase in temperatures, with a range from -3°C (26°F) to a warm 24°C (76°F), and an average of 9°C (49°F). Precipitation decreases to 47 mm (1.9 in) spread over just 9 days, and humidity lowers slightly to 85%. For those curious about the specifics of April weather in Cirencester, more details can be found here: Cirencester weather in April.

In December, the weather is considerably colder, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 14°C (57°F). The month typically sees 88 mm (3.5 in) of precipitation over 16 days, coupled with high humidity levels at 92%. In contrast, May brings milder temperatures, with a minimum of 0°C (31°F) and a maximum of 26°C (78°F), showcasing an average of 12°C (54°F). Precipitation in May is slightly less, totaling 76 mm (3.0 in) over 12 days, and the humidity drops to 79%. This shift from the chilly, damp conditions of December to the warmer, more pleasant atmosphere of May highlights the significant seasonal transition. For more detailed insights, visit Cirencester weather in May.

December and June present strikingly different weather conditions. In December, temperatures range from a chilly -7°C (20°F) at night to a mild 14°C (57°F) during the day, with an average of 6°C (43°F). This month experiences a considerable amount of precipitation, with 88 mm (3.5 in) falling over 16 days, contributing to a high humidity of 92%. In contrast, June brings a much warmer climate with temperatures ranging from a low of 6°C (42°F) to a high of 30°C (87°F) and an average of 16°C (60°F). Although June sees slightly less precipitation at 76 mm (3.0 in) over 12 days, the humidity is more comfortable at 80%. For a detailed look at the weather in June, you can refer to Cirencester weather in June.

The weather in December is notably colder and wetter compared to July. In December, temperatures can drop as low as -7°C (20°F), with an average of 6°C (43°F) and a maximum reaching up to 14°C (57°F). The month sees significant precipitation, averaging 88 mm (3.5 in) over 16 days, and the humidity remains high at 92%. In contrast, July experiences milder conditions, with temperatures ranging from a minimum of 7°C (45°F) to a warm average of 18°C (64°F), peaking at 32°C (90°F). Precipitation is less frequent, totaling 68 mm (2.7 in) across 12 days, and humidity levels are lower at 71%. For more detailed insights, you can check Cirencester weather in July.

December weather is characterized by significantly colder temperatures, with lows reaching as low as -7°C (20°F) and an average temperature of only 6°C (43°F), compared to August, which enjoys a milder climate with average temperatures around 17°C (62°F) and highs peaking at 33°C (92°F). Precipitation is more frequent in December, occurring on 16 days and totaling 88 mm (3.5 in), while August experiences less rainfall over 13 days with a total of 74 mm (2.9 in). Additionally, December's humidity is noticeably higher at 92%, compared to 76% in August, contributing to a distinct difference in overall comfort levels. For a closer look at summer weather, check out Cirencester weather in August.

December and September exhibit striking differences in weather patterns. December is characterized by much colder temperatures, with a minimum of -7°C (20°F) and an average of 6°C (43°F), compared to September's milder climate where temperatures range from a minimum of 2°C (36°F) to an average of 14°C (58°F) and a maximum of 29°C (84°F). Additionally, December sees significantly more precipitation, totaling 88 mm (3.5 in) over 16 days, while September has a lighter rainfall of 57 mm (2.3 in) spread across just 9 days. Humidity levels are also higher in December at 92%, while September maintains a slightly lower humidity of 82%. For a detailed look at September weather, visit Cirencester weather in September.

December weather is notably colder than that of October, with temperatures ranging from a minimum of -7°C (20°F) and an average of 6°C (43°F), compared to October's more moderate minimum of -1°C (31°F) and an average of 11°C (52°F). While December sees slightly less precipitation at 88 mm (3.5 in) over 16 days, October is wetter with 98 mm (3.9 in) across 14 days. Additionally, December's humidity is higher at 92%, while October maintains a slightly lower humidity of 90%. For more detailed information on October weather, you can visit Cirencester weather in October.

In comparing the weather between December and November, we see a notable shift in temperatures and precipitation. December experiences lower temperatures, with minimums dropping to -7°C (20°F) compared to November's milder -3°C (27°F). The average temperature in December is 6°C (43°F), slightly cooler than November's 8°C (46°F). Additionally, December has more precipitation, totaling 88 mm (3.5 in) over 16 days, whereas November sees only 66 mm (2.6 in) across 13 days. Despite similar humidity levels at 92%, the overall feel in December is significantly chillier. For more details about November weather, you can check Cirencester weather in November.

Compare Cirencester's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Cirencester

In December, Cirencester experiences a distinct shift in weather, characterized by colder temperatures and increased precipitation compared to other months. With an average temperature of only 6°C, the chill can be felt in the air, particularly during the night when it can drop to -7°C. This month stands out not only for its lower temperatures but also for its heightened humidity at a notable 92%, which, combined with 16 days of rainfall, creates a damp and crisp atmosphere. While other months may offer milder conditions, December's cool embrace invites residents and visitors alike to cozy up indoors or enjoy the festive spirit outdoors. For those looking to understand more about how December’s climate contrasts with the rest of the year, visit Cirencester Climate.