December Weather in Saint-Malo, France

Last updated: February 26, 2025

In Saint-Malo, France, December embodies the chill of winter with average temperatures hovering around 9°C (49°F), peaking at 14°C (57°F) and dipping to a brisk 3°C (37°F). The month is characterized by significant precipitation, with 164 mm (6.4 inches) falling across approximately 20 days, leading to a notably humid atmosphere at 92%. This blend of cool temperatures and frequent rain creates a unique ambiance, inviting visitors to experience the city's historic charm amidst a cozy, wintry backdrop.

December Temperature in Saint-Malo

In December, Saint-Malo experiences a subtle transition towards the chill of winter, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F). The average temperature hovers around 9°C (49°F), marking a drop compared to the milder autumn months. This month retains a crispness in the air, making it ideal for cozy strolls along the historic seaside ramparts. While the days are shorter, the enchanting atmosphere of the fortified city, combined with cooler temperatures, sets the stage for a delightful winter escape. As the year closes, visitors can expect refreshing sea breezes and a peaceful charm that captures the essence of Saint-Malo.

December Weather in Saint-Malo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint-Malo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464748515560646463595249
Data source: Temperature data for Saint-Malo 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 Saint-Malo

December marks the wettest month in Saint-Malo, France, with an impressive 164 mm (6.4 in) of precipitation, significantly overshadowing the previous months. This surge in rainfall accompanies an increase in wet days, with 20 days experiencing precipitation, making it a month characterized by frequent drizzles and persistent showers. Following the trend from November, which also had considerable rainfall at 122 mm (4.8 in) over 16 days, December's weather indicates a noticeable shift towards increased moisture and cloud cover, setting the stage for the region's damp winter climate. As the year closes, the coastal city wraps itself in a shroud of rain, enhancing its charming yet tempestuous atmosphere.

December Precipitation Trends in Saint-Malo

The chart displays monthly precipitation patterns in Saint-Malo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec889070406774466386140122164
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saint-Malo

In December, Saint-Malo experiences a high humidity level of 92%, mirroring the moisture-laden air of the preceding months, particularly November. This pattern underscores a trend of increased humidity as winter approaches, with levels remaining consistently high from October onward. Throughout the year, humidity gradually decreases during the summer months, reaching a low of 69% in July, before climbing again as the seasons shift. As winter sets in, the coastal city becomes enveloped in a cool, damp atmosphere, making December feel both cozy and reflective of the Atlantic's influence.

December Average Humidity in Saint-Malo

This chart illustrates the average monthly humidity levels in Saint-Malo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saint-Malo

In December, the UV Index in Saint-Malo dips to a low 1, indicating minimal sun exposure risk. This marks a significant contrast from the peak summer months, where the index soared to 9 during July and June. As the year winds down, residents and visitors can expect a comfortable burn time of 45 minutes before sun protection becomes necessary. Overall, December and January experience the lowest UV levels, while the warmer months see a notable rise, particularly from May to August, when sun safety becomes essential. For those planning to enjoy the outdoors this winter, it’s a great time to soak up some sun without the worry! For more detailed information, check out the Saint-Malo UV Index.

Maximum UV Index Levels in Saint-Malo for December

The chart shows the monthly maximum UV Index (UVI) for Saint-Malo 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: Saint-Malo 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 Saint-Malo

In Saint-Malo, France, the seasonal dance of sunlight reveals a captivating trend as the year unfolds. December, with its 186 hours of sunshine, may seem modest compared to the vibrant peaks of mid-summer, but it still whispers the promise of warmth during the cool winter months. As the year concludes, sunlight begins to wane from the sun-drenched 406 hours in May to late autumn’s 221 hours in November, creating a gentle slide into winter. The progressive decrease reflects a seasonal rhythm, yet December offers a charming glow, reminding us that even as the days grow shorter, moments of brightness continue to punctuate the cool air, inviting visitors to savor the enchanting atmosphere of this coastal gem.

Monthly Sunshine Duration in Saint-Malo: December Highlighted

The December sunshine duration represents the total number of hours Saint-Malo 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.
JanFebMarAprMayJunJulAugSepOctNovDec141h203h285h352h406h394h424h386h329h268h221h186h
Data source: Saint-Malo December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint-Malo During December

As December approaches in Saint-Malo, the likelihood of enjoying sunny weather diminishes, with only a 25% chance of sunlight gracing the city. This marks a notable decline from the sunnier days of earlier months, peaking at 62% in April. While spring and summer bask in brighter conditions, the chilly winter months see a consistent drop in sunshine, with December's chances trailing closely behind November's 34%. This downward trend underscores the shift toward winter's often overcast skies, making those rare sunny days in December a true treat for residents and visitors alike.

Percentage of Sunny Days in December in Saint-Malo

The chart illustrates the percentage of sunny days in Saint-Malo 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 Saint-Malo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%31%45%62%38%36%47%41%44%40%34%25%
Data source: Saint-Malo December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint-Malo in December

In Saint-Malo, France, the ebb and flow of daylight throughout the year reveals a captivating rhythm. Starting in January, residents experience just 8 hours of daylight, a trend that gradually blossoms into 10 hours by February. As spring approaches, March offers a modest increase to 11 hours, setting the stage for a vibrant April, where the days stretch to 13 hours. The peak of summer sees June basking in an impressive 16 hours of sunlight, before gradually tapering off in July and August to 15 and 14 hours, respectively. As autumn unfolds, daylight diminishes again, sinking to 12 hours in September and further down to 9 hours in November. Finally, December returns to the year's starting point with another 8 hours of daylight, completing a full circle of seasonal change. This cyclical pattern highlights the unique charm of Saint-Malo’s natural light, inviting both locals and visitors to embrace the changing seasons.

Average Daylight Hours in Saint-Malo for December

The chart illustrates the variation in daylight duration in Saint-Malo throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 46m10h 11m11h 55m13h 43m15h 15m16h 3m15h 38m14h 15m12h 31m10h 45m9h 10m8h 20m
Data source: Saint-Malo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Saint-Malo

As the year draws to a close, December in Saint-Malo, France, ushers in notably brisk winds, with an average speed of 7.8 m/s (17 mph)—the highest of the year. This increase reflects a trend where winter months, particularly December, January, and February, generally experience stronger gusts compared to the spring and summer seasons. After a gradual drop during the warmer months, where June witnesses the calmest breezes at 4.6 m/s (10 mph), the winds pick up momentum again as the temperature cools. This seasonal shift not only invigorates the coastal air but also enhances the dramatic maritime landscape that Saint-Malo is renowned for, making it a lively destination in the winter months.

Average December Wind Speed in Saint-Malo

The chart displays monthly wind speed patterns in Saint-Malo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.97.46.46.37.04.65.55.95.36.56.47.8 m/s
Data source: Saint-Malo December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Saint-Malo Compares to Other Months

The weather in Saint-Malo 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 Saint-Malo and find detailed weather information for every month.

In December, the weather tends to be slightly milder with average temperatures ranging from 3°C (37°F) to a maximum of 14°C (57°F), while January shows a small drop in the minimum temperature to 1°C (34°F) and an overall average of 8°C (47°F). Precipitation levels in December are significantly higher at 164 mm (6.4 in) over 20 days, whereas January sees a reduction to 88 mm (3.5 in) with rain occurring on only 14 days. Humidity remains relatively high in both months, with December at 92% and January at 90%. This makes January a bit drier and cooler than December. For more details, check Saint-Malo weather in January.

In comparing December and February weather, December tends to be cooler on average, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F) and an overall average of 9°C (49°F). Additionally, December experiences significantly more precipitation, totaling 164 mm (6.4 in) over 20 days, coupled with a high humidity level of 92%. In contrast, February has a slightly lower minimum temperature of -1°C (30°F) and shares a maximum of 14°C (57°F), but with a comparable average of 8°C (47°F). Notably, February receives less precipitation, at 90 mm (3.5 in) across 15 days, and a slightly lower humidity of 89%. For more detailed insights, you can visit Saint-Malo weather in February.

In December, Saint-Malo experiences a milder climate with average temperatures around 9°C (49°F) and a maximum of 14°C (57°F), but humidity is high at 92%, contributing to a wet atmosphere. The month typically sees about 164 mm (6.4 in) of precipitation over 20 days, making it quite damp and chilly. In contrast, March brings a slight drop in minimum temperatures, reaching as low as -2°C (29°F), but still maintains an average of 9°C (48°F) and can peak at 16°C (60°F). The amount of precipitation also decreases significantly to 70 mm (2.8 in) over 15 days, and humidity is somewhat lower at 86%. For a detailed view of the weather patterns, check Saint-Malo weather in March.

In December, the weather is noticeably cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F) and an average of 9°C (49°F). This month experiences quite a bit of rain, totaling 164 mm (6.4 in) spread over 20 days, and high humidity levels at 92%. In contrast, April brings milder conditions, with temperatures starting at a minimum of 5°C (42°F) and peaking at 18°C (64°F), averaging around 11°C (51°F). Precipitation is significantly reduced to 40 mm (1.6 in) over just 8 days, and humidity drops to 84%. For more information, you can check Saint-Malo weather in April.

In December, temperatures in Saint-Malo range from a chilly 3°C (37°F) at night to a mild 14°C (57°F) during the day, with an average of 9°C (49°F). The month is characterized by high humidity at 92% and significant rainfall, averaging 164 mm (6.4 in) over 20 days. In stark contrast, May sees warmer weather with minimum temperatures around 8°C (46°F) and maximums reaching 21°C (71°F), leading to a more pleasant average of 13°C (56°F). Rainfall decreases to 67 mm (2.6 in) over just 11 days, and humidity drops to 80%, making May a much drier and more comfortable month. For more detailed insights, visit Saint-Malo weather in May.

In December, the weather is characterized by cool temperatures, with minimums around 3°C (37°F) and maximums reaching up to 14°C (57°F). This month also sees higher precipitation at 164 mm (6.4 in) over approximately 20 days, contributing to a high humidity level of 92%. In contrast, June offers a much warmer climate, with temperatures ranging from a minimum of 12°C (53°F) to a comfortable maximum of 27°C (80°F). Precipitation in June is notably lower at 74 mm (2.9 in) spread over just 11 days, accompanied by a reduced humidity of 80%. For a more detailed look at the weather during this delightful month, visit Saint-Malo weather in June.

December and July present contrasting weather conditions. In December, temperatures typically range from a chilly 3°C (37°F) at night to a mild 14°C (57°F) during the day, with an average of 9°C (49°F). This month sees considerable precipitation, with 164 mm (6.4 in) falling over 20 days, and a high humidity level of 92%. In contrast, July offers a much warmer climate, with minimum temperatures of 14°C (57°F) and maximums reaching 28°C (83°F), averaging 18°C (64°F). Rainfall drops significantly to 46 mm (1.8 in) over just 9 days, and the humidity level is notably lower at 69%. For more specifics about the summer weather, check out Saint-Malo weather in July.

December and August present contrasting weather experiences. December is notably cooler, with average temperatures hovering around 9°C (49°F) and minimums dropping to 3°C (37°F), while August enjoys milder conditions, where temperatures range from a minimum of 14°C (57°F) to a maximum of 25°C (77°F). Precipitation is also more significant in December, averaging 164 mm (6.4 in) over 20 days, compared to the much lighter 63 mm (2.5 in) spread across 11 days in August. Additionally, December's high humidity at 92% contrasts sharply with the more comfortable 73% humidity typical of August. For a closer look at the summer conditions, check out Saint-Malo weather in August.

When comparing the weather in December to that of September, a stark contrast is evident. December experiences cooler temperatures, with a minimum of 3°C (37°F) and an average of 9°C (49°F), while September boasts milder conditions, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 25°C (78°F). Furthermore, December sees significantly higher precipitation, totaling 164 mm (6.4 in) over 20 days, compared to September's 86 mm (3.4 in) over just 11 days. The humidity levels also differ, with December reaching a humid 92% compared to September's more moderate 79%. For a detailed look at September's weather in Saint-Malo, visit Saint-Malo weather in September.

In comparing December and October weather, December tends to be cooler with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F), while October is milder, with temperatures averaging between 8°C (47°F) and 21°C (71°F). December experiences higher precipitation levels, totaling 164 mm (6.4 in) over approximately 20 days, compared to October's 140 mm (5.5 in) across 17 days. Additionally, humidity is slightly higher in December at 92% compared to 89% in October. For more detailed information on October weather, you can check Saint-Malo weather in October.

In comparing the weather of December to November, we see a noticeable shift in temperatures and precipitation. December experiences slightly cooler temperatures, with a minimum of 3°C (37°F) and an average of 9°C (49°F), while November has a minimum of 5°C (41°F) and an average of 11°C (53°F). Additionally, December is characterized by higher precipitation, totaling 164 mm (6.4 in) over 20 days, compared to November's 122 mm (4.8 in) over 16 days. Despite the increase in rainfall, both months maintain a high humidity level of 92%. For a more detailed look at November weather in this region, you can visit Saint-Malo weather in November.

Compare Saint-Malo's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Saint-Malo

As December settles in, Saint-Malo transforms into a chilly coastal haven, marked by its cool temperatures and frequent rainfall. Unlike the milder months that precede it, this month brings a stark increase in humidity and wet days, creating a uniquely atmospheric experience. Visitors can expect an average temperature that hovers around 9°C, punctuated by the occasional milder day and the bite of winter in the evenings. The persistent drizzle and overcast skies might discourage some, but the season also enhances the charm of this historic port city, inviting cozy indoor explorations and festive winter activities. For a deeper look at the varying seasons and their characteristics, explore Saint-Malo Climate.