December Weather in Cassis, France

Last updated: February 26, 2025

Nestled along the stunning Côte d'Azur, Cassis in December offers a unique blend of cool temperatures and a touch of rain. With maximum temperatures reaching 18°C (64°F) and a brisk average of 10°C (50°F), visitors can expect a refreshing climate, perfect for exploration. The month sees an average minimum temperature of 2°C (36°F), making warm layers essential for evening strolls by the harbor. Rainfall is a key feature, totaling 76 mm (3.0 in) over about nine days, while humidity hovers around a comfortable 79%. Whether sipping wine in a cozy bistro or enjoying the scenic coastline, December in Cassis captivates with its charming winter atmosphere.

December Temperature in Cassis

As December descends upon Cassis, France, the coastal town experiences a gentle chill, with temperatures typically ranging from a minimum of 2°C (36°F) to a maximum of 18°C (64°F). The average temperature hovers around 10°C (50°F), offering a comfortable albeit brisk atmosphere perfect for exploring the charming streets and scenic views. Compared to the preceding months, December marks a slight dip in warmth, but it retains a moderate appeal, especially as the festive season unfolds. The transition into winter is palpable, yet the coastal charm of Cassis continues to entice visitors with its mild Mediterranean climate.

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

The chart illustrates December temperature patterns in Cassis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec485053566370757570635550
Data source: Temperature data for Cassis 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 Cassis

In Cassis, France, December serves as the gateway to winter with 76 mm (3.0 in) of precipitation spread over 9 days. This monthly total reflects a significant dip from the 127 mm (5.0 in) experienced in November, yet remains higher than the early months of the year. As the year closes, the rain is more frequent compared to the arid summer months, where July and August averaged only 9 mm and 16 mm respectively. December's weather serves as a reminder of the seasonal transition, with a notable shift from late-autumn showers to the wetter conditions that characterize the region's winter months. Overall, the data suggests a pattern of increasing rainfall leading into winter, perfect for enjoying the dramatic coastal beauty of Cassis amidst the brisk air and misty landscapes.

December Precipitation Trends in Cassis

The chart displays monthly precipitation patterns in Cassis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec554049706324917398812776
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Cassis

In Cassis, France, December brings a humidity level of 79%, which reflects a mild increase from November's 82%. As the year winds down, the humidity trends show a gradual decline from a peak in early winter, with the driest months occurring in the summer, specifically in July and August at 69% and 66%. This seasonal variation highlights the Mediterranean climate's characteristics, where humid winter months are balanced by more arid summers. Interestingly, the humidity levels fluctuate throughout the year, consistently hovering between 66% and 82%, creating a refreshing yet moist atmosphere that embodies the charm of Cassis.

December Average Humidity in Cassis

This chart illustrates the average monthly humidity levels in Cassis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%75%74%72%69%66%71%78%82%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cassis

In Cassis, France, the UV Index in December sees a return to a low exposure category, registering at 2. This marks a notable decrease from the higher levels observed in the peak summer months, where the index soared to 9 and 10, indicating very high exposure and a burn time as brief as 15 minutes. As the year winds down, sun-seekers can enjoy longer outdoor activities with a safer burn time of 45 minutes in December. This seasonal trend emphasizes the importance of adjusting sun safety measures, particularly as the winter months approach. For further details on UV levels throughout the year, visit Cassis UV Index.

Maximum UV Index Levels in Cassis for December

The chart shows the monthly maximum UV Index (UVI) for Cassis 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Cassis 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 Cassis

In Cassis, France, December might not boast the sunniest days of the year, yet it still offers a cozy ambiance with 244 hours of sunshine. This marks a gentle decline as the region transitions from the vibrant summer months — where July and June bask in over 400 hours — to the cooler winter days. As the year draws to a close, the days shorten after a peak in late spring, but Cassis maintains a charming allure, making it a lovely time for leisurely strolls along the Mediterranean coast. While December's sunlight is outshined by the summer's brilliance, it retains an inviting warmth that beckons visitors to enjoy the tranquil beauty of this picturesque town.

Monthly Sunshine Duration in Cassis: December Highlighted

The December sunshine duration represents the total number of hours Cassis 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.
JanFebMarAprMayJunJulAugSepOctNovDec199h257h330h352h406h423h436h404h345h310h252h244h
Data source: Cassis December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cassis During December

As December rolls in, the charm of Cassis, France, remains inviting, with a 55% chance of sunny weather. This marks a slight increase from November's 50%, suggesting a trend towards brighter days as winter approaches. While the earlier months of the year, such as January and February, are shrouded in more cloud cover at 45%, the weather gradually improves, peaking in the summer months with a sunshine frequency of up to 73% in August. The crisp December air complements the likelihood of sunny spells, making this coastal haven a delightful destination for those seeking winter warmth and scenic views before the new year. With its mild winter climate, Cassis keeps hope alive for sun-seekers, promising moments of brightness even in the heart of winter.

Percentage of Sunny Days in December in Cassis

The chart illustrates the percentage of sunny days in Cassis 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 Cassis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%45%65%55%48%61%67%73%52%57%50%55%
Data source: Cassis December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cassis in December

In Cassis, France, the daylight duration showcases a rhythmic ebb and flow throughout the year. Starting from a modest 9 hours in December, the daylight begins to stretch as winter gives way to spring, peaking at an invigorating 15 hours in June. Following the summer solstice, the days gradually shorten, with sunlight gradually receding back to 9 hours by November. This clear seasonal pattern emphasizes the vibrant energy of spring and summer, making Cassis a delightful destination as daylight increases, while the quieter, shorter days of winter offer a different, serene charm. As the year ends, the cycle renews, promising longer afternoons just beyond the horizon.

Average Daylight Hours in Cassis for December

The chart illustrates the variation in daylight duration in Cassis throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 21m10h 30m11h 57m13h 26m14h 41m15h 19m14h 59m13h 52m12h 27m10h 58m9h 40m9h
Data source: Cassis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Cassis

As December settles over Cassis, France, the coastal winds gently stir, averaging a whispering 5.2 m/s (12 mph). This month's winds reflect a slight uptick from the calmer breezes of summer, where speeds languished around 4.1 to 4.6 m/s (9 to 10 mph) between June and October. The changing season brings a refreshing revitalization, with November's winds peaking at 5.4 m/s (12 mph) just before the year closes. Although December's gales are not at their peak, they capture a notable trend: a shift from the warmer months' stillness to a crisp, invigorating atmosphere that hints at the approaching winter. As the year winds down, the December breezes encapsulate the essence of a coastal winter—bold yet inviting.

Average December Wind Speed in Cassis

The chart displays monthly wind speed patterns in Cassis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.45.64.54.35.44.14.54.64.34.65.45.2 m/s
Data source: Cassis December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Cassis Compares to Other Months

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

In December, the weather is slightly milder with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 18°C (64°F), accompanied by 76 mm (3.0 in) of precipitation over approximately 9 days. The humidity stands at 79%, contributing to a damp atmosphere during this month. In contrast, January sees a slight drop in temperatures, with minimums averaging 1°C (34°F) and maximums reaching 16°C (62°F). The precipitation also decreases to 55 mm (2.2 in) over about 7 days, while humidity slightly increases to 80%. For a detailed look at what to expect, check out Cassis weather in January.

December and February share similar average temperatures, both hovering around 10°C (50°F), but December tends to be milder with a minimum of 2°C (36°F) compared to February's chillier minimum of -1°C (31°F). Precipitation levels are notably higher in December, with 76 mm (3.0 in) falling over 9 days, whereas February sees less rain, totaling 40 mm (1.6 in) across just 7 days. Additionally, humidity is slightly lower in February at 73% compared to December's 79%. For more details on February weather, you can check this link: Cassis weather in February.

December and March exhibit notable differences in weather patterns. In December, temperatures range from a chilly minimum of 2°C (36°F) to a comfortable maximum of 18°C (64°F), with an average of 10°C (50°F). The month sees considerable precipitation, totaling 76 mm (3.0 in) over about 9 rainy days, accompanied by a humidity level of 79%.

In contrast, March features slightly cooler temperatures, with a minimum of 1°C (34°F) and a maximum reaching 20°C (68°F), resulting in an average of 11°C (53°F). This month is drier, with only 49 mm (1.9 in) of rainfall spread across 6 days, and lower humidity at 71%. For more detailed insights, you can check the specific conditions here: Cassis weather in March.

When comparing December and April weather in Cassis, one can notice distinct differences. December typically has cooler temperatures, with a minimum of 2°C (36°F) and averaging around 10°C (50°F), while April sees slightly warmer conditions, with a minimum of 4°C (39°F) and an average of 14°C (57°F). Precipitation levels are fairly similar, with December receiving 76 mm (3.0 in) over about 9 days and April having slightly less at 70 mm (2.7 in) over 8 days. Humidity in December is slightly higher at 79% compared to April's 75%, contributing to the more brisk feel of the winter month. For a detailed look at April's weather, you can visit Cassis weather in April.

December weather features cooler temperatures, with a minimum of 2°C (36°F) and an average of 10°C (50°F), while May offers a warmer climate, with a minimum of 8°C (46°F) and an average of 17°C (63°F). Precipitation tends to be slightly higher in December at 76 mm (3.0 in) over 9 days, compared to May's 63 mm (2.5 in) over 8 days. Moreover, December experiences higher humidity at 79%, compared to May's 74%. For more details on the weather during this pleasant spring month, you can visit Cassis weather in May.

December and June present striking contrasts in weather. December boasts cooler temperatures, with average highs reaching only 18°C (64°F) and a substantial amount of precipitation at 76 mm spread over 9 days, resulting in a higher humidity level of 79%. In contrast, June enjoys a warm climate with average highs of 31°C (88°F) and significantly less rainfall, with only 24 mm over 4 days, leading to a lower humidity level of 72%. For a closer look at what to expect in June, you can check out Cassis weather in June.

December and July exhibit stark contrasts in weather conditions. In December, temperatures range from a chilly minimum of 2°C (36°F) to a mild maximum of 18°C (64°F), with an average of 10°C (50°F). The month also sees significant precipitation, totaling 76 mm (3.0 in) over about 9 days, coupled with high humidity levels at 79%. In contrast, July boasts much warmer conditions, with temperatures ranging from a comfortable minimum of 17°C (62°F) to a high of 30°C (86°F), averaging around 24°C (75°F). Rain is scarce during this month, with just 9 mm (0.4 in) falling over a single day, and a lower humidity level of 69%. For a detailed look at weather during this summer month, you can explore Cassis weather in July.

When comparing the weather in December and August, it's clear that the two months offer vastly different experiences. December features cooler temperatures, with averages around 10°C (50°F) and a maximum of 18°C (64°F), accompanied by higher humidity levels of 79% and 76 mm (3.0 in) of precipitation over approximately 9 days. In contrast, August boasts a much warmer climate, averaging 24°C (76°F) and peaking at 32°C (90°F), with significantly less rainfall at 16 mm (0.6 in) occurring just once throughout the month. The lower humidity of 66% in August also contributes to a more comfortable feel, making it an ideal time for outdoor activities. For more specific details on the August weather in Cassis, you can check out Cassis weather in August.

When comparing the weather in December and September, noteworthy differences emerge. December sees cooler temperatures, with a minimum of 2°C (36°F) and an average of 10°C (50°F), peaking at 18°C (64°F). In contrast, September offers a milder climate, with temperatures ranging from a minimum of 11°C (53°F) to a pleasantly warm average of 21°C (70°F), reaching highs of 28°C (83°F). Precipitation levels also vary significantly, as December experiences 76 mm (3.0 in) of rain over 9 days, whereas September receives only 39 mm (1.5 in) over 5 days. Additionally, humidity levels are higher in December at 79%, compared to 71% in September. For more detailed information about September weather in this region, you can check Cassis weather in September.

When comparing the weather in December to that of October, it's evident that October enjoys warmer temperatures, with a minimum of 9°C (48°F) and an average of 17°C (63°F), peaking at a maximum of 25°C (77°F). In contrast, December sees cooler conditions, with lows around 2°C (36°F) and an average of 10°C (50°F), reaching a high of 18°C (64°F). Despite December having slightly less precipitation overall, with 76 mm (3.0 in) over 9 days compared to October's 88 mm (3.5 in) over 7 days, the humidity remains relatively consistent, with December at 79% and October at 78%. For a closer look at October weather specifics in this region, you can check out Cassis weather in October.

In comparing the weather between November and December, we see a notable decrease in temperature for the latter month. December has minimum temperatures around 2°C (36°F) compared to November's 5°C (42°F), while the average temperature drops from 13°C (56°F) in November to 10°C (50°F) in December. Although the maximum temperature remains relatively similar, peaking at 18°C (64°F) in December versus 19°C (67°F) in November, December experiences less precipitation, totaling 76 mm (3.0 in) over 9 days compared to November's 127 mm (5.0 in) over 12 days. Humidity levels also slightly decrease from 82% in November to 79% in December. For a closer look at November's weather patterns, you can check out this link: Cassis weather in November.

Compare Cassis's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Cassis

As December rolls into Cassis, the weather takes on a distinct chill compared to the milder months of fall. Temperatures dip significantly, with average highs around 10°C and lows that can reach 2°C, marking a stark contrast to the warmer autumn days. Alongside this drop in temperature, residents and visitors can expect increased humidity levels and roughly nine days of precipitation, totaling around 76 mm for the month. This wetter, cooler climate adds a cozy charm to the quaint coastal town, making December a unique time to experience Cassis. For a deeper understanding of its weather patterns throughout the year, explore Cassis Climate.