December Weather in Montecarlo, Italy

Last updated: March 24, 2025

In December, Montecarlo, Italy, experiences a mild winter climate characterized by a maximum temperature of 17°C (63°F) and an average of 7°C (45°F). The month can dip to a minimum of -3°C (26°F), making warmer attire necessary for outdoor activities. Rain is common, with an average precipitation amount of 157 mm (6.2 in) over 14 days, contributing to the region’s lush landscapes. The high humidity levels of 83% make the air feel cooler and can enhance the cozy atmosphere of this charming Italian town during the festive season.

December Temperature in Montecarlo

As December settles over Montecarlo, Italy, the temperatures begin to dip, heralding the arrival of winter. The minimum readings hover around -3°C (26°F), while the average temperature rests at a brisk 7°C (45°F), peaking at a maximum of 17°C (63°F). Compared to the preceding months, it's evident that the city transitions from the milder conditions of autumn, especially notable when you contrast December’s figures with the warmer temperatures of November. Despite the chill, the charm of Montecarlo persists, inviting visitors to explore its picturesque landscapes under a crisp winter sky.

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

The chart illustrates December temperature patterns in Montecarlo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424649556372767769605244
Data source: Temperature data for Montecarlo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Montecarlo

December marks a significant peak in precipitation for Montecarlo, Italy, with an average of 157 mm (6.2 in) falling over the course of the month. This amount not only highlights December as one of the wettest months of the year but also aligns with the increasing trend observed in the preceding months, particularly November, which recorded 143 mm (5.6 in). Interestingly, December sees an uptick in rainy days as well, averaging 14 days, making it a month where the charming winter landscape is often shrouded in a mist of rainfall. This pattern of escalating precipitation from autumn into winter underscores the changing climate dynamics in the region, providing a vivid backdrop to the festive season.

December Precipitation Trends in Montecarlo

The chart displays monthly precipitation patterns in Montecarlo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec629679979845423188108143157
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Montecarlo

In December, Montecarlo, Italy experiences a significant increase in humidity, reaching 83%, a subtle dip from the prior month's 84%. This month marks a transition as the region's humidity begins to settle after the fluctuating figures seen earlier in the year. From the summer's drier months, where humidity plummeted to 55% in August, there is a clear trend of rising moisture levels approaching the winter months. The humidity peaks again in January at 84%, echoing a cyclical pattern that's typical for the winter season. This climatic dance creates a comfortable, albeit slightly damp, atmosphere as the year draws to a close, often enhancing the enchanting charm of Montecarlo during the colder months.

December Average Humidity in Montecarlo

This chart illustrates the average monthly humidity levels in Montecarlo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%68%70%69%62%57%55%66%79%84%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Montecarlo

In December, Montecarlo, Italy experiences a low UV Index of 2, allowing for a more relaxed outdoor enjoyment with a burn time of 45 minutes before sun exposure becomes a concern. As the year draws to a close, this represents a stark contrast to the summer months, where indices peaked at 10 in June and consistently hovered around 9 in July and August. The trend throughout the year showcases a significant rise in UV exposure from the winter months to the sweltering heat of summer, prompting residents and visitors alike to take extra precautions in the warmer seasons. For those planning outdoor activities, December’s gentle sun is a welcoming respite, making it an ideal time to explore Montecarlo’s beautiful landscapes with minimal risk. For more detailed information, check out the Montecarlo UV Index.

Maximum UV Index Levels in Montecarlo for December

The chart shows the monthly maximum UV Index (UVI) for Montecarlo 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.
JanFebMarAprMayJunJulAugSepOctNovDec2467810997532
Data source: Montecarlo 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 Montecarlo

In December, Montecarlo, Italy, enjoys 218 hours of glorious sunshine, offering a gentle transition from the vibrant autumn days. While the hours are lower compared to the summer peak of 433 hours in July, the charming ambiance of the coastal town remains captivating. As the year draws to a close, the sun still graces the area with enough light to highlight its stunning landscapes, reminding visitors of the year’s earlier brilliance. December’s sunshine, though modest, brings warmth and a unique charm that complements the festive spirit, making it a delightful time to explore the beauty of Montecarlo.

Monthly Sunshine Duration in Montecarlo: December Highlighted

The December sunshine duration represents the total number of hours Montecarlo 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h241h317h351h393h420h433h403h340h308h234h218h
Data source: Montecarlo December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Montecarlo During December

In December, Montecarlo, Italy, experiences a 42% chance of sunny weather, marking a slight improvement from November's 35%. This modest increase hints at a transition into winter, where the likelihood of sunshine begins to rise again compared to the colder months. As the year progresses from the gloom of November, December offers a taste of brightness amidst the chilly air, yet still falls short of the more sunlit spring and summer months. With a glimpse of hope for clear skies, visitors may find just enough sunshine to enjoy the festive spirit of the season while knowing that the best weather is yet to come in the following months.

Percentage of Sunny Days in December in Montecarlo

The chart illustrates the percentage of sunny days in Montecarlo 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 Montecarlo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%43%64%47%41%56%60%64%57%46%35%43%
Data source: Montecarlo December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Montecarlo in December

As December rolls in, Montecarlo, Italy, experiences the year's shortest daylight duration, with only 8 hours of sunlight to brighten the shorter days. This decline follows a gradual increase in daylight from the depths of winter, peaking in the vibrant summer months of June and July, both boasting 15 hours of sun. The pattern of daylight reveals a clear rhythm—spring and summer bring extended hours of sunshine, fostering an atmosphere of warmth and activity, while the fall and winter months usher in a more subdued ambiance. The transition from longer days in spring to the waning light of December illustrates the shifting seasons and invites locals and visitors alike to embrace the cozy magic of winter evenings in this charming Italian locale.

Average Daylight Hours in Montecarlo for December

The chart illustrates the variation in daylight duration in Montecarlo throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 18m10h 28m11h 57m13h 27m14h 44m15h 23m15h 2m13h 54m12h 27m10h 57m9h 38m8h 57m
Data source: Montecarlo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Montecarlo

As December unfolds in Montecarlo, Italy, the wind settles into a gentle rhythm, with an average speed of 1.7 m/s (4 mph). This marks a noticeable dip from the notably brisk winds of November, which averaged 2.4 m/s (5 mph). Throughout the autumn months, the wind gradually increased, peaking just before winter sets in. December’s lighter breezes evoke a sense of calm, contrasting with the more dynamic gusts of spring and early winter. The shift to milder winds not only invites leisurely strolls along the Mediterranean coast but also serves as a reminder of the serene beauty that Montecarlo offers during this tranquil month.

Average December Wind Speed in Montecarlo

The chart displays monthly wind speed patterns in Montecarlo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.02.12.12.31.51.81.91.72.22.41.7 m/s
Data source: Montecarlo December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Montecarlo Compares to Other Months

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

December weather tends to be milder compared to January, with average temperatures reaching up to 7°C (45°F) and maximums of 17°C (63°F). In contrast, January sees a slight drop in temperature, with averages around 5°C (42°F) and maximums of 16°C (60°F), along with colder minimum temperatures reaching -5°C (23°F). December also experiences more precipitation, totaling 157 mm (6.2 in) over 14 days, while January has significantly less, with only 62 mm (2.4 in) falling over just 8 days. Humidity remains relatively consistent between the two months, hovering around 83% in December and 84% in January. For more detailed information, check out Montecarlo weather in January.

December and February present notable differences in weather patterns. In December, temperatures range from a chilly minimum of -3°C (26°F) to a comfortable maximum of 17°C (63°F), averaging around 7°C (45°F). The month experiences significant precipitation, totaling 157 mm (6.2 in) over about 14 days, coupled with a high humidity level of 83%. In contrast, February sees slightly colder nights with a minimum of -4°C (24°F) but a slightly warmer daytime average of 8°C (47°F) and a higher maximum temperature of 20°C (68°F). February is also drier, with only 96 mm (3.8 in) of rainfall over about 10 days and lower humidity at 76%. For more insights, you can explore Montecarlo weather in February.

December and March present contrasting weather conditions. In December, temperatures range from a chilly minimum of -3°C (26°F) to a mild maximum of 17°C (63°F), with an average of 7°C (45°F). The month experiences significant precipitation, totaling 157 mm (6.2 in) over 14 days, accompanied by high humidity levels of 83%. In comparison, March sees a slightly colder minimum temperature of -5°C (24°F) but enjoys a higher average of 10°C (50°F) and can reach a maximum of 24°C (75°F). Precipitation drops to 79 mm (3.1 in) and occurs over just 9 days, while humidity decreases to a more comfortable 68%. For more detailed information, you can check Montecarlo weather in March.

In December, the weather tends to be much cooler and wetter, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 17°C (63°F) and average precipitation of 157 mm (6.2 in) over about 14 days. The humidity is notably high at 83%, contributing to a chilly and damp atmosphere. In contrast, April brings a more moderate climate, with temperatures varying from a minimum of -2°C (29°F) to a maximum of 27°C (81°F) and an average of 13°C (56°F). Precipitation decreases to 97 mm (3.8 in) over approximately 10 days, and the humidity drops to 70%, creating a much more pleasant spring environment. For more detailed information, check out Montecarlo weather in April.

December and May in Montecarlo present contrasting weather experiences. In December, temperatures range from a chilly -3°C (26°F) at night to a mild 17°C (63°F) during the day, with an average of about 7°C (45°F). The month sees considerable precipitation, with 157 mm (6.2 in) spread over 14 days, along with high humidity levels of around 83%. In contrast, May brings a significant shift in weather, with warmer temperatures ranging from a minimum of 5°C (41°F) to a pleasant maximum of 32°C (90°F) and an average of 17°C (63°F). While May also records precipitation over 14 days, it totals only 98 mm (3.9 in) and features lower humidity at 69%. For more details on the delightful May weather, you can check Montecarlo weather in May.

December and June present stark contrasts in weather. In December, temperatures range from a chilly -3°C (26°F) to a mild 17°C (63°F), with an average of 7°C (45°F). The month is characterized by considerable precipitation, totaling 157 mm (6.2 in) over 14 days, and high humidity at 83%. In contrast, June brings warmer temperatures, with minimums of 11°C (52°F) and maximums hitting 35°C (95°F), averaging around 22°C (72°F). Rainfall in June is significantly lower at 45 mm (1.8 in), spread across just 6 days, and humidity decreases to 62%. For more insights, check Montecarlo weather in June.

December and July present contrasting weather conditions. In December, temperatures range from a chilly -3°C (26°F) to a mild 17°C (63°F), with an average of 7°C (45°F). This month is also characterized by significant precipitation, accumulating 157 mm (6.2 in) over 14 days, and high humidity levels at 83%. Conversely, July experiences much warmer temperatures, with a minimum of 13°C (56°F), an average of 24°C (76°F), and a peak at a scorching 36°C (97°F). Precipitation is considerably lower in July, totaling just 42 mm (1.7 in) over 6 days, and the humidity drops to a more comfortable 57%. For additional insights into the summer weather, you can explore Montecarlo weather in July.

When comparing the weather between December and August, striking differences emerge. December experiences much cooler temperatures, with an average of 7°C (45°F) and nighttime lows dipping to -3°C (26°F). In contrast, August boasts warm weather, reaching an average of 25°C (77°F) and highs of up to 36°C (96°F). Precipitation is notably higher in December, with 157 mm (6.2 in) over 14 days, while August sees significantly less rain, totaling just 31 mm (1.2 in) across 6 days. Additionally, the humidity in December is higher at 83%, compared to 55% in August, making the winter months feel much more damp. For more detailed insights into the warm conditions of August, you can refer to Montecarlo weather in August.

December and September present quite a contrast in weather conditions. In December, temperatures range from a chilly -3°C (26°F) at their lowest to a mild 17°C (63°F) at their highest, averaging around 7°C (45°F). The month is also characterized by increased precipitation, with about 157 mm (6.2 in) falling over 14 days, contributing to a higher humidity level of 83%. Conversely, September enjoys milder temperatures, with a minimum of 7°C (44°F) and maximum highs reaching up to 33°C (91°F), averaging 21°C (70°F). This month experiences significantly less rainfall, with 88 mm (3.5 in) spread over just 9 days, and lower humidity at 66%. For more detailed insights into September conditions, check out Montecarlo weather in September.

When comparing the weather in December and October, notable differences emerge in temperature and precipitation. December experiences cooler temperatures, with an average ranging from a minimum of -3°C (26°F) to a maximum of 17°C (63°F), while October boasts milder conditions, with averages from 4°C (39°F) to 26°C (79°F). Precipitation is more frequent in December, totaling 157 mm (6.2 in) over 14 days, compared to October's 108 mm (4.3 in) over 10 days. Additionally, December has higher humidity levels at 83%, while October's humidity sits at 79%. For more insights on October's climate, you can check Montecarlo weather in October.

In comparing the weather between November and December, December tends to be slightly colder, with average temperatures ranging from a minimum of -3°C (26°F) to a maximum of 17°C (63°F), compared to November's milder range of -1°C (30°F) to 20°C (68°F). While both months experience a similar level of precipitation, December has an average of 157 mm (6.2 in) over 14 days, slightly higher than November's 143 mm (5.6 in) over 13 days. Humidity levels remain relatively high in both months, with December at 83% and November at 84%. For more insights into November weather specifics, you can check out Montecarlo weather in November.

Compare Montecarlo's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Montecarlo

In December, Montecarlo experiences a noticeable shift in weather, characterized by cooler temperatures and increased precipitation compared to other months. With average highs around 17°C (63°F) contrasting sharply with minimums that can dip to -3°C (26°F), this month signals the beginning of winter’s embrace. The city sees about 14 days of rain, contributing to a humidity level of 83%, which envelops the landscape in a damp chill. This combination of cooler air and frequent showers creates a unique atmosphere, perfect for those seeking a more tranquil winter retreat. For a deeper understanding of how weather patterns change throughout the year, visit Montecarlo Climate.