Last updated: February 26, 2025
Nestled along the Basque coast, Saint-Jean-de-Luz experiences a mild December, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 18°C (64°F), creating an inviting winter atmosphere. The average temperature sits at a comfortable 12°C (53°F), perfect for leisurely strolls along the shore or exploring charming streets. However, be prepared for a wet month, as precipitation reaches 256 mm (10.1 in) over 17 days, contributing to the region's lush landscapes. With humidity levels hovering around 87%, the seaside town offers a cozy yet vibrant winter experience, attracting visitors who wish to enjoy its enchanting scenery and cultural richness.
In December, Saint-Jean-de-Luz experiences a distinct transition as the year winds down, with temperatures reflecting a gentle coolness. The average temperature hovers around 12°C (53°F), marking a shift from the milder autumn months. Daily highs reach up to 18°C (64°F), providing pleasant afternoons, while nighttime lows dip to 4°C (39°F), inviting cozy evenings by the fire. This trend of moderate temperatures contrasts with the chill of January, but remains notably cooler than the warmer months of summer, creating an inviting atmosphere for visitors seeking a festive coastal escape. Overall, December's climate offers a perfect blend of cool, crisp air and refreshing mildness that embodies the charm of winter in this picturesque French town.
December in Saint-Jean-de-Luz, France, marks the peak of precipitation for the year, boasting a significant 256 mm (10.1 in) of rainfall over 17 days. This month stands out, not only for its high total precipitation but also for being closely followed by November, which itself saw 226 mm (8.9 in) across the same number of rainy days. The trend indicates a substantial increase in moisture as winter takes hold, with December often serving as a transition into the colder season. Interestingly, when compared to the drier summer months, such as July and August—averaging just 74 mm (2.9 in) and 68 mm (2.7 in)—it's evident that rainfall patterns shift dramatically, showcasing the region's lush, vibrant winters. This wet finale to the year underscores the importance of the season in not only shaping the local environment but also influencing the daily lives of its residents.
In Saint-Jean-de-Luz, France, the humidity levels experience a noticeable trend throughout the year, peaking in December at 87%. This increase signals the return of the winter chill, following a gradual drop in humidity during the warmer months, when August enjoys the lowest reading at 76%. From November’s rise back to 85%, it’s clear that the late fall and winter months bring a dampness that blankets the area. With only slight fluctuations from 82% in March down to 80% in both May and July, the humidity remains relatively stable, enhancing the coastal charm of this picturesque region. Overall, December's humidity captures the essence of winter's embrace, creating a refreshing yet moist atmosphere.
As the year comes to a close, December in Saint-Jean-de-Luz sees a return to a low UV Index of 2, mirroring the protective embrace of January. This indicates that sun exposure is minimal, with a burn time of 45 minutes, allowing residents and visitors to enjoy outdoor activities with reduced risk. Throughout the year, the UV Index peaks during the summer months, reaching a striking 10 in June and July, signaling very high exposure levels where caution is essential. While spring and fall present moderate conditions with indices of 5 in March and October, it’s clear that winter months provide a welcome respite from intense sun. For more detailed insights into each month's UV Index variations, explore the Saint-Jean-de-Luz UV Index.
UV Risk Categories
December in Saint-Jean-de-Luz, France, offers a picturesque end to the year with an average of 207 hours of sunshine. While this marks a decline from the sun-drenched days of summer, it still stands as a cozy respite compared to the gloomier November, which lingers with only 232 hours. Reflecting on the year's trend, visitors can appreciate the gradual arc of daylight from the bleak winter months to the vibrant summer, as sunshine hours steadily rise from 172 in January to a peak of 410 in July. December, therefore, while less radiant than the summer highs, serves as a gentle reminder of the warmth that awaits in the sunnier months ahead.
In Saint-Jean-de-Luz, the likelihood of enjoying sunny weather in December stands at 37%, reflecting a moderate drop compared to the sunnier months of late summer and early autumn, where probabilities peak at around 44% in August. As December rolls in, the chance of sunshine is notably higher than the bleakness of January and February, both at 23%, and it provides a nice respite from the gloom of November, which dips to 21%. While the sun may not be as prevalent this month, December's weather offers a refreshing contrast to the winter chill, allowing for cozy strolls along the picturesque coast under the occasional sunny spell.
In Saint-Jean-de-Luz, December marks the end of the year with a return to shorter days, offering about 9 hours of daylight. This duration mirrors the earlier months of November and January, highlighting a trend of reduced sunlight as winter deepens. However, as we look back over the year, it's fascinating to see how daylight gradually increases from the depths of winter. Starting in January with just 9 hours, the days stretch to a peak of 15 hours in June, only to gently taper down again as autumn approaches. This rhythmic ebb and flow of sunlight showcases the enchanting seasonal cycle of this beautiful coastal town.
As December settles over Saint-Jean-de-Luz, the coastal winds begin to pick up, with an average speed of 5.9 m/s (13 mph), marking one of the briskest months of the year. Historically, the wind speeds fluctuate throughout the seasons, showcasing a gentle decline from the vigorous 5.6 m/s in January to a lull in July and August, when it dips to around 3.5 m/s (8 mph). However, as autumn transitions into winter, we see a notable resurgence in wind activity, with November's winds already strengthening to 4.6 m/s (10 mph). This uptick continues into December, inviting residents and visitors alike to embrace the fresh sea breeze that characterizes the festive atmosphere of the season. The trend reveals a natural rhythm, where the calm of summer gives way to the invigorating bursts of winter, encapsulating the spirit of this picturesque French coastal town.
The weather in Saint-Jean-de-Luz 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-Jean-de-Luz and find detailed weather information for every month.
December and January present notable differences in weather patterns. December tends to be milder, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 18°C (64°F), accompanied by substantial precipitation of 256 mm (10.1 in) over 17 days and high humidity at 87%. In contrast, January experiences slightly cooler temperatures, with a minimum of 0°C (33°F), an average of 9°C (49°F), and a maximum of 19°C (66°F). Precipitation decreases significantly to 152 mm (6.0 in) over just 14 days, while humidity remains relatively stable at 86%. For a more detailed look at January weather, check out Saint-Jean-de-Luz weather in January.
In December, the weather in Saint-Jean-de-Luz tends to be milder, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 18°C (64°F). However, this month sees significant precipitation, with 256 mm (10.1 in) falling over 17 days, resulting in a high humidity level of 87%. In contrast, February experiences lower minimum temperatures, dipping to -1°C (31°F), but it offers a slightly warmer average with a maximum reaching 21°C (70°F). Precipitation is considerably less at 127 mm (5.0 in) over 13 days, and humidity remains relatively stable at 85%. For a closer look at February's weather specifics, visit Saint-Jean-de-Luz weather in February.
In December, the weather in Saint-Jean-de-Luz tends to be cooler, with minimum temperatures around 4°C (39°F) and maximums reaching up to 18°C (64°F), while experiencing significant rainfall of 256 mm (10.1 in) over 17 days. The humidity is relatively high at 87%, contributing to a damp atmosphere. In contrast, March sees slightly cooler nights with minimum temperatures dropping to 0°C (33°F) and warmer days peaking at around 22°C (72°F). Precipitation decreases significantly to 118 mm (4.6 in) across 16 days, and humidity drops to 82%, making the overall conditions feel a bit more comfortable. The transition from December to March indicates a shift towards milder, albeit variable weather. For more details on weather specifics in March, check out Saint-Jean-de-Luz weather in March.
In comparing the weather of December and April, December tends to be cooler and wetter, with average temperatures ranging from a minimum of 4°C to a maximum of 18°C and total precipitation of 256 mm over 17 days. In contrast, April experiences slightly milder temperatures, with a minimum of 5°C and a maximum of 23°C, while also having significantly less rainfall at 90 mm over 12 days. The humidity is generally higher in December at 87%, compared to 81% in April, suggesting a more crisp and damp winter atmosphere in December. For a more detailed look at what to expect in April, you can visit Saint-Jean-de-Luz weather in April.
In December, the weather in Saint-Jean-de-Luz is cooler and wetter compared to May, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 18°C (64°F). December sees significant rainfall, totaling 256 mm (10.1 in) over 17 days, contributing to a high humidity level of 87%. In contrast, May brings milder conditions, with average temperatures between 7°C (45°F) and 28°C (83°F), and considerably less precipitation at 119 mm (4.7 in) spread over 15 days. The humidity in May is also slightly lower at 80%, making it a more comfortable time of year. For more details about the weather in May, visit Saint-Jean-de-Luz weather in May.
In December, the weather in Saint-Jean-de-Luz is characterized by cooler temperatures, with a minimum of 4°C (39°F) and an average of 12°C (53°F), reaching a maximum of 18°C (64°F). The area experiences significant rainfall, totaling 256 mm (10.1 in) over 17 days, contributing to a high humidity level of 87%. In contrast, June brings warmer and more pleasant conditions, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 32°C (90°F), averaging at 19°C (66°F). The precipitation drops to 104 mm (4.1 in) over just 13 days, and humidity decreases to 81%. For a closer look at the vibrant June weather, you can visit Saint-Jean-de-Luz weather in June.
December and July present stark contrasts in weather patterns. In December, temperatures range from a chilly 4°C (39°F) at night to a mild 18°C (64°F) during the day, accompanied by high humidity at 87%. The month is quite wet, with 256 mm (10.1 in) of precipitation spread over 17 days. In contrast, July offers a warm and inviting atmosphere, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 33°C (92°F) and an average of 21°C (69°F). Precipitation is much lower in July, totaling 74 mm (2.9 in) across 11 days, and humidity decreases to 80%. For more specific details on July weather, you can visit Saint-Jean-de-Luz weather in July.
When comparing the weather in December and August, notable differences emerge. December tends to be much cooler, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 18°C (64°F), while August boasts warmer averages, with temperatures ranging from 15°C (59°F) to 31°C (87°F). Additionally, December experiences significantly higher precipitation, with 256 mm (10.1 in) falling over approximately 17 days, compared to only 68 mm (2.7 in) over 12 days in August. Humidity levels are also higher in December at 87%, in contrast to August's 76%. For a closer look at August weather specifics, you can refer to Saint-Jean-de-Luz weather in August.
December weather is notably cooler, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 18°C (64°F), compared to the warmer September temperatures that typically span from 13°C (56°F) to 32°C (90°F). Precipitation is significantly higher in December, averaging 256 mm (10.1 in) over 17 days, whereas September sees much less rain at 101 mm (4.0 in) over just 11 days. The humidity also tends to be higher in December at 87%, compared to September's 75%, contributing to a distinctly different feel between the two months. For more details on September weather, you can check Saint-Jean-de-Luz weather in September.
When comparing the weather in December to that of October, it becomes clear that December is generally cooler and wetter. In December, temperatures range from a minimum of 4°C (39°F) to a maximum of 18°C (64°F), with an average temperature of 12°C (53°F). In contrast, October enjoys milder temperatures, with a minimum of 8°C (47°F), an average of 17°C (63°F), and a maximum of 26°C (79°F). Additionally, December experiences significantly more rainfall, totaling 256 mm (10.1 in) over 17 days, compared to October’s 134 mm (5.3 in) over 14 days. Humidity is also higher in December, averaging 87%, while October sees a slightly lower humidity level of 81%. For more detailed insights, check out Saint-Jean-de-Luz weather in October.
Comparing the weather in December to that of November, we notice a slight drop in temperatures, with December's minimum at 4°C (39°F), compared to November's minimum of 7°C (45°F). The average temperatures are similar, with December averaging 12°C (53°F) and November slightly warmer at 13°C (56°F). While both months experience precipitation on 17 days, December sees a higher total rainfall of 256 mm (10.1 in), exceeding November's 226 mm (8.9 in). Humidity levels remain relatively high, with December at 87% and November at 85%. For a more detailed look at the November weather, check out Saint-Jean-de-Luz weather in November.
As December unfolds in Saint-Jean-de-Luz, the coastal charm meets a notable shift in weather. Unlike the warmer months, temperatures take a dip, averaging around 12°C (53°F), while chilly nights can drop to 4°C (39°F). The increase in humidity, peaking at 87%, contributes to a notable 256 mm (10.1 in) of rainfall across 17 days, making it one of the wetter months of the year. This shift transforms the landscape into a cozy, atmospheric retreat, ideal for those seeking a quieter rhythm amidst the festive season. For a deeper dive into the seasonal trends, check out Saint-Jean-de-Luz Climate.