Last updated: March 24, 2025
In Grosseto, Italy, December offers a mild yet often damp climate, characterized by maximum temperatures peaking at 18°C (64°F) and dropping to a minimum of 4°C (39°F). The average temperature rests around 11°C (52°F), creating a crisp but bearable atmosphere. Residents and visitors can expect approximately 103 mm (4.1 in) of rainfall over about 11 days throughout the month, contributing to a high humidity level of 83%. This blend of mild temperatures and frequent precipitation makes December a month of cozy charm, perfect for enjoying the local winter festivities while bundled up against the chill.
In Grosseto, Italy, December welcomes the cool embrace of winter, with temperatures gradually declining towards the year's end. The month records a mild average temperature of 11°C (52°F), where chilly mornings with a minimum of 4°C (39°F) give way to moderately pleasant afternoons capped at 18°C (64°F). This trend reflects a shift from the milder autumn months of November, where temperatures were slightly higher, showcasing Grosseto's characteristic climate transition. While the winter months may bring cooler air, the temperature remains relatively mild compared to many other regions, offering a comfortable backdrop for exploring the region's picturesque landscapes and rich history.
In Grosseto, Italy, December brings a notable increase in precipitation, with 103 mm (4.1 in) falling over approximately 11 days. This amount reflects a significant rise from the lighter showers of summer, where rainfall dips to a mere 13 mm in August. As autumn progresses, November already sets a dramatic stage with 160 mm (6.3 in) of rain, making December's figures almost a continuation of that trend. While the month witnesses frequent rain days, the overall precipitation accumulates to a substantial total, creating a rich and vibrant landscape as the year draws to a close. This pattern highlights the transition from the drier, warmer months into the wetter, cooler winter season, ensuring that nature is well-hydrated for the upcoming year.
In Grosseto, Italy, December brings a notable shift in humidity levels, with an average of 83%—a slight decrease from the previous month's 84%. This trend of elevated humidity is consistent throughout the winter months, reflecting the region's overall climatic patterns. As the year progresses, the humidity gradually decreases from a high of 84% in January to a low of 55% in August, before creeping back up in the fall. Notably, the early months of the year are characterized by higher moisture levels, while the summer months enjoy drier conditions. This interplay creates a refreshing contrast throughout the seasons, ensuring that Grosseto maintains its vibrant and unique Mediterranean charm even during the cooler, wetter days of December.
In December, the UV Index in Grosseto, Italy, drops to a mild 2, indicating a low exposure category. This trend reflects the seasonal transition, with a notable decrease from the peak levels observed during the summer months, where the UV Index reached highs of 10 and 9. As the year comes to a close, residents and visitors can enjoy extended outdoor activities with a safe burn time of 45 minutes. This creates a perfect opportunity for leisurely strolls and holiday festivities under the softer winter sun. For more details on UV levels throughout the year, visit Grosseto UV Index.
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Grosseto, Italy, basks in an array of sunlight throughout the year, with December offering a charming juxtaposition to the earlier months. In this winter month, the town enjoys 237 hours of sunshine, a modest decline from the vibrant skies of autumn. The trend reveals a gradual decrease in daylight as the year winds down, with December’s sunshine slightly lower than November’s 247 hours. However, the warmth of the Italian sun remains a delightful feature, contributing to Grosseto's character even in the chill of winter. As the year transitions, locals and visitors alike can appreciate the unique beauty of a sunny day in December, setting the stage for a serene start to the new year.
In December, Grosseto, Italy, offers a 49% chance of sunny weather, marking a subtle uptick after the cool, overcast days of November, which sees only a 36% chance of sun. As the year winds down, the likelihood of sunshine paves the way for charming winter afternoons, reminiscent of the milder months preceding it. This percentage reflects a seasonal trend, with the sunniest days occurring in the heart of summer, particularly in July and August, where chances peak at 68% and 73%, respectively. As the temperatures drop, the sun still makes occasional appearances, allowing residents and visitors alike to enjoy the breathtaking landscapes of Grosseto under a clear sky, without the full sterility of winter gloom. Enjoying the delicate balance of crisp air and sunny spells makes December a delightful time to explore this beautiful Italian region.
In Grosseto, Italy, December marks a continuation of the shorter days that began in late autumn, with daylight lasting around 9 hours. This trend mirrors January and November, where daylight also dips to the same duration, creating a contrast to the longer days experienced from April to June, which peak at a generous 15 hours. As the year progresses, we see a gradual increase in daylight from the 9 hours of winter to the vibrant 14 hours of late spring, underscoring the delightful rhythm of the seasons. By the time December arrives, the city is enveloped in a cozy ambiance, characterized by shorter daylight hours that encourage a warm and festive atmosphere, as residents and visitors alike prepare for the winter festivities.
As December rolls into Grosseto, Italy, the average wind speed settles at 3.6 m/s (approximately 8 mph), marking a slight increase from the more subdued breezes of the summer months. While the winter air brings a chill, the winds are still gentler compared to the gusts seen in November and January, which reach up to 4.3 m/s and 4.6 m/s respectively. This month, the winds reflect the transition towards colder seasons, creating a crisp atmosphere that complements the festive spirit of the holidays. Overall, September and October's calmer winds pave the way for a gradual return to more robust breezes, setting the stage for the cooler winter months ahead.
The weather in Grosseto 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 Grosseto and find detailed weather information for every month.
December and January present a noticeable shift in weather dynamics. December experiences slightly warmer temperatures, with an average of 11°C (52°F) and a maximum of 18°C (64°F), while January's average temperature drops to 9°C (49°F), reaching a high of 17°C (63°F). Precipitation levels are significantly higher in December with 103 mm (4.1 in) over 11 days, compared to January's 51 mm (2.0 in) across just 6 days. Interestingly, humidity remains quite high in both months, hovering around 83% in December and slightly rising to 84% in January. This transition marks a trend towards drier conditions as winter progresses. For more details on January's climate, you can check Grosseto weather in January.
In comparing the weather patterns between December and February, we see distinct differences. December typically experiences milder temperatures, with a minimum of 4°C (39°F) and an average of 11°C (52°F), peaking at 18°C (64°F). It also tends to be wetter, with 103 mm (4.1 in) of precipitation over 11 days and higher humidity at 83%. In contrast, February brings cooler temperatures, dropping to a minimum of -2°C (29°F) while maintaining an average of 11°C (51°F) and a maximum of 18°C (66°F). The month sees significantly less precipitation at 56 mm (2.2 in) across just 8 days and lower humidity at 76%. For more detailed insights on February's weather, you can visit Grosseto weather in February.
In December, the weather is generally cooler, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 18°C (64°F) and an average of 11°C (52°F). This month experiences higher humidity levels at 83% and significant precipitation of 103 mm (4.1 in) over approximately 11 days. In contrast, March ushers in a milder climate, boasting temperatures that drop to a minimum of -1°C (30°F) but can rise to a comfortable maximum of 22°C (72°F), with an average of 12°C (53°F). The precipitation amounts in March are significantly lower at 52 mm (2.0 in) and occur over just 7 days, along with a decrease in humidity to 68%. For more details on the specific weather conditions in March, you can refer to Grosseto weather in March.
In December, the weather is cooler, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 18°C (64°F) and an average of 11°C (52°F). This month typically experiences higher humidity at 83% and significant precipitation, averaging 103 mm (4.1 in) over about 11 days. In contrast, April offers milder weather, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 24°C (75°F) and an average of 14°C (58°F). The humidity decreases to 70%, and precipitation is lighter, totaling about 56 mm (2.2 in) over just 7 rainy days. For more details about April weather in Grosseto, visit Grosseto weather in April.
In December, temperatures range from a chilly minimum of 4°C (39°F) to a comfortable maximum of 18°C (64°F), with an average temperature of 11°C (52°F). The month is characterized by significant precipitation, totaling 103 mm (4.1 in) over about 11 days, accompanied by high humidity levels at 83%. In contrast, May experiences noticeably warmer weather, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (85°F) and an average of 18°C (65°F). Precipitation decreases to 57 mm (2.2 in) over around 10 days, and humidity drops to a more comfortable 69%. For a more detailed look at the weather in May, check out Grosseto weather in May.
December and June exhibit stark contrasts in weather, highlighting the shift from winter to summer. In December, temperatures range from a chilly 4°C (39°F) to a more moderate 18°C (64°F), with an average of 11°C (52°F). The month sees considerable precipitation, totaling 103 mm (4.1 in) across 11 days, while humidity remains high at 83%. In contrast, June experiences much warmer conditions with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 33°C (92°F), averaging 23°C (73°F). Precipitation drastically decreases to just 17 mm (0.7 in) over 3 days, coupled with a lower humidity level of 62%. For more detailed insights, check out this link: Grosseto weather in June.
December and July present stark contrasts in weather conditions. December experiences cooler temperatures, with an average of 11°C (52°F), and can drop to as low as 4°C (39°F), while highs reach around 18°C (64°F). The month is also characterized by higher precipitation, totaling 103 mm (4.1 in) over about 11 days, paired with substantial humidity at 83%. In contrast, July brings warmer temperatures, averaging 25°C (78°F), with minimums of 18°C (65°F) and highs soaring to 33°C (92°F). This summer month sees significantly less precipitation, only 22 mm (0.9 in) over just 3 days, along with lower humidity levels at 57%. For more information on July temperatures, check out Grosseto weather in July.
When comparing December and August weather, there is a striking contrast between the two months. December experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 11°C (52°F), while August boasts warmer conditions, featuring a minimum of 18°C (64°F) and an average of 26°C (79°F). Precipitation is significantly higher in December, with 103 mm (4.1 in) falling over 11 days, compared to just 13 mm (0.5 in) over 3 days in August. Additionally, December's humidity level is notably higher at 83%, while August enjoys a more comfortable 55% humidity. For more details on the warm weather in August, you can visit Grosseto weather in August.
When comparing the weather in December and September, notable differences are evident. December typically experiences cooler temperatures, with minimums around 4°C (39°F) and maximums reaching 18°C (64°F), while September boasts warmer averages with minimums of 13°C (56°F) and maximums soaring to 31°C (88°F). Additionally, December sees higher humidity levels at 83% compared to September's 66%, making it feel more damp and chilly. Precipitation also varies, with December receiving more rainfall (103 mm or 4.1 in) over 11 days, while September is relatively drier with only 66 mm (2.6 in) over 8 days. For more details, visit Grosseto weather in September.
December weather tends to be cooler and wetter compared to October. With average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 18°C (64°F), December experiences a significant drop in temperature, especially in the mornings. In contrast, October boasts a milder climate, with temperatures averaging between 11°C (53°F) and 27°C (80°F), making it a more pleasant month overall. Additionally, December has higher precipitation, totaling 103 mm (4.1 in) over 11 days, while October records 88 mm (3.5 in) over 9 days. Humidity also rises slightly in December, averaging 83%, compared to 79% in October, which can make the air feel more chilly. For those interested in the specifics of October weather, you can find more details here: Grosseto weather in October.
In comparing the weather of December and November, December tends to be slightly cooler, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 18°C (64°F), whereas November boasts a milder climate with averages from 5°C (41°F) to 21°C (70°F). Precipitation is notably heavier in November, totaling 160 mm (6.3 in) over 15 days, compared to December's 103 mm (4.1 in) across 11 days. Both months exhibit similar humidity levels, with November slightly higher at 84% compared to December's 83%. For more details on November’s weather patterns, you can check this link: Grosseto weather in November.
As December blankets Grosseto in a cool embrace, the transition from the milder temperatures of fall becomes evident. With a noticeable chill, average temperatures drop significantly, inviting cozy layers for both locals and visitors. This month also brings increased moisture, with rainfall occurring on roughly a third of the days, contributing to a higher humidity level that can penetrate the crisp air. Contrary to the sunny days of summer, December is marked by a more subdued atmosphere, perfect for enjoying the festive season while wandering through the town’s charming streets. For a deeper understanding of what to expect year-round, explore Grosseto Climate.