December Weather in Roscoff, France

Last updated: February 26, 2025

In Roscoff, France, December presents a cool and damp climate, with temperatures ranging from a maximum of 14°C (57°F) to a minimum of 5°C (41°F), averaging around 10°C (51°F). Residents and visitors alike can expect a significant amount of precipitation, totaling 161 mm (6.3 in), spread over 21 days of the month. The atmosphere is characterized by a high humidity level of 90%, contributing to a chilly, overcast ambiance. Those planning to explore Roscoff in December should prepare for wet conditions while enjoying the serene beauty of this coastal town.

December Temperature in Roscoff

In December, Roscoff, France, experiences a subtle shift as winter sets in, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 14°C (57°F). The average temperature hovers around 10°C (51°F), reflecting a consistent coolness that’s typical for this time of year. As the year winds down, there's a noticeable drop from the milder autumn months, yet the temperatures remain relatively mild compared to other regions. This transitional climate fosters a crisp yet comfortable atmosphere, inviting visitors to enjoy the seasonal charm while taking in the scenic views of the coastal town.

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

The chart illustrates December temperature patterns in Roscoff, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec484849515458616261575351
Data source: Temperature data for Roscoff 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 Roscoff

In December, Roscoff experiences its highest precipitation, with a striking 161 mm (6.3 in) of rain spread over 21 days. This marks a notable increase compared to the preceding months, as the town transitions from the wetter autumn months of October and November, which also see significant rainfall of 133 mm and 108 mm, respectively. The trend portrays the onset of winter, highlighting how December stands out not just in volume but also in frequency of rainy days. The shift from milder months like July and August, with their much lower totals, to this deluge signifies the end of the drier season and prepares the landscape for the lushness of the coming year.

December Precipitation Trends in Roscoff

The chart displays monthly precipitation patterns in Roscoff, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10210378446272384451133108161
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Roscoff

As December settles in Roscoff, France, the humidity remains notably high at 90%, mirroring the moisture-rich atmosphere of November. Throughout the year, there is a distinct decline in humidity from the early months, with January and February hovering around 89% and 88% respectively, before gradually dropping to a low of 63% in July. However, as the year progresses, a resurgence occurs, culminating in the elevated humidity of late autumn and winter. This rich humidity not only characterizes December but also highlights the region's unique climate dynamics, where the cold months bring back the dampness after a brief summer reprieve.

December Average Humidity in Roscoff

This chart illustrates the average monthly humidity levels in Roscoff, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%85%84%81%77%63%71%76%89%90%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Roscoff

In Roscoff, France, the December UV Index dips to a low 1, indicating minimal sun exposure risks. This marks a notable contrast to the summer months, where values peak at 9, classified as very high, allowing for a much shorter burn time of just 15 minutes. As the year transitions, the UV Index reflects a clear trend: after reaching elevated levels from May through August, exposure risks significantly decrease in the fall and winter. With a burn time of 45 minutes in December, sun safety is much less of a concern compared to the sun-drenched days of summer. For more detailed information on UV levels throughout the year, visit Roscoff UV Index.

Maximum UV Index Levels in Roscoff for December

The chart shows the monthly maximum UV Index (UVI) for Roscoff 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Roscoff 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 Roscoff

In Roscoff, France, the December sunshine marks a subtle decline in daylight hours as the year draws to a close. With 181 hours of sunlight, December reflects a dip from the vibrant summer months, but it still offers a gentle glow compared to the colder, darker winter days ahead. The trend of increasing sunshine hours from January to July showcases a gradual climb, peaking in the summer, before experiencing a gradual descent through the autumn into winter. This cyclical pattern highlights Roscoff's charming transition from bright summer days to the more subdued but still pleasant winter light, making each season unique in its own right.

Monthly Sunshine Duration in Roscoff: December Highlighted

The December sunshine duration represents the total number of hours Roscoff 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.
JanFebMarAprMayJunJulAugSepOctNovDec135h206h292h359h414h411h430h393h336h271h221h181h
Data source: Roscoff December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Roscoff During December

In Roscoff, France, December sees a modest 25% chance of sunny weather, marking a slight dip from the previous months. As the year winds down, the likelihood of sunshine in Roscoff generally trends downward from peaks in spring; notably, April boasts the highest probability at 50%. Following this, the chances decline through the summer and into autumn, with November offering a 28% chance before slipping further in December. While the winter months may cloak Roscoff in more cloud cover, the occasional glimpse of sun can still brighten the chilly days, reminding visitors of the region's charm even in the cooler season.

Percentage of Sunny Days in December in Roscoff

The chart illustrates the percentage of sunny days in Roscoff 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 Roscoff experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%26%36%50%40%34%45%40%40%38%28%25%
Data source: Roscoff December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Roscoff in December

In Roscoff, France, the daylight duration undergoes a remarkable transformation throughout the year, reflecting the changing seasons. Starting from January with a modest 8 hours of light, the days gradually lengthen, peaking at a stunning 16 hours in June, the height of summer. This progression signifies the arrival of longer, sun-drenched days that promise warmth and vibrancy. As the seasons shift towards autumn and winter, daylight begins to wane once again, reducing to 12 hours in September and descending to 8 hours by December. This cyclical pattern not only enhances the beauty of the coastal landscape but also influences the rhythm of life in this charming town. As the year wraps up, the return to shorter days reminds us of the inevitable transition towards longer daylight hours in the new year.

Average Daylight Hours in Roscoff for December

The chart illustrates the variation in daylight duration in Roscoff throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 47m10h 11m11h 55m13h 43m15h 15m16h 3m15h 37m14h 15m12h 31m10h 45m9h 10m8h 20m
Data source: Roscoff daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Roscoff

As the year draws to a close, December in Roscoff, France, greets visitors with invigorating winds, boasting an average speed of 9.2 m/s (21 mph)—the highest of the year. This uptick is a noticeable departure from the gentler breezes of summer, which hover around 5.8 to 5.9 m/s (13 mph) in July and August. The winter months see a steady increase in wind intensity, with December significantly outpacing the preceding months, which mostly lingered between 6.9 m/s (15 mph) in October and 8.8 m/s (20 mph) in February. This shift creates a bracing atmosphere that captures the spirit of the season, inviting both locals and travelers to embrace the bold, refreshing gales as they explore this picturesque coastal town.

Average December Wind Speed in Roscoff

The chart displays monthly wind speed patterns in Roscoff, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.98.87.37.17.74.35.85.95.46.97.09.2 m/s
Data source: Roscoff December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Roscoff Compares to Other Months

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

In December, the weather tends to be slightly milder with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 14°C (57°F), accompanied by considerable precipitation of 161 mm (6.3 in) spread over 21 days, resulting in high humidity at 90%. In contrast, January sees a slight drop in temperatures with min and avg values of 2°C (36°F) and 9°C (49°F), while the maximum remains similar at 14°C (58°F). Precipitation also decreases to 102 mm (4.0 in) over 16 days, and humidity is marginally lower at 89%. For a more detailed look at what to expect, check out Roscoff weather in January.

December and February exhibit distinct weather patterns despite similar maximum temperatures. In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 14°C (57°F), with an average temperature of 10°C (51°F). This month also sees higher precipitation, totaling 161 mm (6.3 in) across 21 days, accompanied by a humidity level of 90%. In contrast, February is slightly cooler, with minimum temperatures dipping to 1°C (34°F) and an average of 9°C (49°F), but it matches December’s maximum at 14°C (57°F). Precipitation in February is lower at 103 mm (4.0 in) over 17 days, and humidity is marginally lower at 88%. For those interested in more detailed February weather insights, visit Roscoff weather in February.

December and March present contrasting weather experiences. In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 14°C (57°F), with an average of 10°C (51°F). The month is characterized by significant precipitation, totaling 161 mm (6.3 in) over 21 days, and high humidity at 90%. Conversely, March boasts slightly cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 17°C (63°F), averaging 9°C (49°F). This month sees less rainfall, accumulating 78 mm (3.1 in) over 16 days and slightly lower humidity at 85%. For a closer look at March weather specifics, you can check Roscoff weather in March.

In December, the weather is notably cooler with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 14°C (57°F), while April sees slightly warmer maximum temperatures reaching 18°C (65°F). Both months have an average temperature of 10°C (51°F), but December experiences significantly more precipitation, totaling 161 mm (6.3 in) over 21 days compared to April's milder 44 mm (1.7 in) over just 8 days. Additionally, humidity is higher in December at 90%, whereas April's humidity averages around 84%. For a more detailed look at the weather in April, you can visit Roscoff weather in April.

In December, the weather tends to be cooler and more humid, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 14°C (57°F). This month sees significant precipitation, averaging 161 mm (6.3 in) over 21 days, resulting in a damp atmosphere with a relative humidity of 90%.

In contrast, May brings milder and more pleasant conditions, with temperatures averaging between 8°C (47°F) and 19°C (67°F). Precipitation is considerably lower, at 62 mm (2.5 in) spread over just 10 days, and humidity drops to 81%, contributing to a more comfortable outdoor experience. For a closer look at the climate during this vibrant spring month, visit Roscoff weather in May.

In December, the weather is considerably cooler and wetter, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 14°C (57°F). The month experiences high humidity at 90% and substantial rainfall, totaling 161 mm (6.3 in) over 21 days. In contrast, June offers a milder climate, with temperatures ranging from a minimum of 11°C (52°F) to a pleasant maximum of 22°C (72°F). The precipitation significantly decreases to 72 mm (2.8 in) over just 11 days, and humidity levels drop to 77%. For detailed insights on the June weather, you can check out Roscoff weather in June.

In December, the weather tends to be much cooler and wetter compared to July. With average temperatures ranging from 5°C (41°F) to a maximum of 14°C (57°F), December experiences significant precipitation of 161 mm (6.3 in) over 21 days and high humidity levels at 90%. In contrast, July boasts warmer temperatures, with a minimum of 14°C (57°F) and an average of 16°C (61°F), peaking at 21°C (70°F). Additionally, July sees only 38 mm (1.5 in) of rainfall across just 7 days, accompanied by a more comfortable humidity level of 63%. For those interested in the specifics of summer weather in Roscoff, you can find more details here: Roscoff weather in July.

December weather in Roscoff tends to be much cooler and wetter compared to August. With average temperatures around 10°C (51°F) and a maximum of only 14°C (57°F), the month experiences significantly lower temperatures than August, where the average is about 16°C (62°F) and highs can reach up to 25°C (78°F). Additionally, December sees a substantial amount of rainfall, averaging 161 mm (6.3 in) over 21 days, while August is much drier with just 44 mm (1.7 in) spread across only 8 days. The humidity also differs considerably, with December experiencing a higher humidity of 90% compared to August’s 71%. For those looking to learn more about the August weather, check out Roscoff weather in August.

December weather presents a stark contrast to September, characterized by cooler temperatures and significantly higher precipitation. In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 14°C (57°F), averaging around 10°C (51°F). This month also experiences frequent rainfall, with 161 mm (6.3 in) of precipitation spread over 21 days, contributing to a high humidity level of 90%.

In comparison, September enjoys milder conditions, with temperatures ranging from 11°C (52°F) to 22°C (71°F), averaging 16°C (61°F). Rainfall is notably less frequent, totaling only 51 mm (2.0 in) across just 9 days, and the humidity level is lower at 76%. For a closer look at September's climate, you can check Roscoff weather in September.

When comparing the weather in December to that of October, notable differences emerge. December is generally cooler, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 14°C (57°F), while October enjoys milder conditions, with temperatures ranging from 8°C (46°F) to 21°C (69°F). Additionally, December experiences more precipitation, averaging 161 mm (6.3 in) over 21 days, compared to October's 133 mm (5.2 in) across 16 days. Humidity levels remain similar, hovering around 90% in December and 89% in October. For detailed insights on October conditions, you can explore Roscoff weather in October.

December weather tends to be slightly cooler and wetter compared to November. In December, the minimum temperature averages around 5°C (41°F), while November sees a marginally higher minimum of 6°C (44°F). The average temperature drops from November's 12°C (53°F) to 10°C (51°F) in December, with maximum temperatures also decreasing from 16°C (62°F) to 14°C (57°F). Additionally, December experiences more precipitation, totaling 161 mm (6.3 in) over 21 days, compared to November's 108 mm (4.3 in) over 18 days. Both months maintain a high humidity level of 90%, but December's increased rainfall contributes to a noticeably wetter atmosphere. For more details on November weather, you can check Roscoff weather in November.

Compare Roscoff's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Roscoff

December in Roscoff presents a distinct shift in weather as the month showcases cooler temperatures, with a predominant chill in the air compared to the milder months preceding it. The frequent rainfall, with precipitation occurring on 21 days, contributes to the high humidity levels, creating a damp and crisp atmosphere that can feel particularly brisk. While the landscape may appear grey under overcast skies, the essence of winter envelops the region, offering a tranquil beauty that stands in stark contrast to the lushness of spring and summer. For a comprehensive overview of what to expect, visitors can learn more at Roscoff Climate.