December Weather in Ostuni, Italy

Last updated: March 24, 2025

In December, Ostuni experiences mild yet refreshing weather, with temperatures ranging from a comfortable 18°C (64°F) at the peak to a cool 5°C (41°F) during the night. The average temperature settles at a pleasant 11°C (53°F), perfect for exploring the town's charming streets. This month also sees about 61 mm (2.4 in) of precipitation across 10 days, contributing to the lush landscape while maintaining an humidity level of 82%, creating a cozy atmosphere ideal for warm gatherings and festive celebrations. Whether strolling through its historic center or savoring local cuisine, visitors can enjoy the enchanting blend of winter warmth and seasonal charm in Ostuni.

December Temperature in Ostuni

In Ostuni, Italy, December marks the transition into a cooler season, with temperatures reflecting a gradual drop as winter approaches. The month typically experiences a minimum temperature of 5°C (41°F), providing a chilly start to the day, while the average hovers around 11°C (53°F), offering a mild reprieve for daytime activities. Maximum temperatures can reach up to 18°C (64°F), making it a pleasant time for exploring the historic town's whitewashed buildings and festive markets. This month lays the groundwork for the January cold while still allowing visitors the chance to enjoy the region’s charm in a cozy, cool atmosphere.

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

The chart illustrates December temperature patterns in Ostuni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec495153586574798074655953
Data source: Temperature data for Ostuni 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 Ostuni

December in Ostuni, Italy, wraps up the year with a moderate rainfall of 61 mm (2.4 in) spread over approximately 10 days. This amount reflects a slight decline from the previous month's hefty 110 mm (4.3 in), yet it remains consistent with the trend of early winter precipitation following the autumn peak. As temperatures cool and holiday festivities begin, the impact of December’s rains contributes to the lush, green landscapes that the region is known for. While the number of rainy days is up from the drier summer months, it still showcases Ostuni's relatively mild winter compared to many regions, making it a delightful destination for those who appreciate a blend of charm and comfortable weather.

December Precipitation Trends in Ostuni

The chart displays monthly precipitation patterns in Ostuni, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6256534448261320346311061
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ostuni

In Ostuni, Italy, December sees a notable increase in humidity, reaching 82%, which ties with January for the highest level of the year. This winter spike follows a gradual decrease from the summer months, where humidity levels hovered around 56% to 61%. As autumn sets in, moisture levels begin to rise again, peaking in November at 80% before December's drop in temperature coincides with a return to elevated humid conditions. The trend demonstrates Ostuni's distinctive seasonal shifts, where crisp winter air arrives alongside higher humidity, enveloping the town in a refreshing chill just before the new year.

December Average Humidity in Ostuni

This chart illustrates the average monthly humidity levels in Ostuni, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%74%70%71%71%65%61%56%66%74%80%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ostuni

In Ostuni, Italy, the December UV Index drops to a moderate level of 2, indicating a low risk of harm from unprotected sun exposure. This is a notable decrease from the very high levels seen in the summer months, where indices soared up to 10 in June and remained elevated through August. The trend throughout the year shows a gradual rise in UV exposure from January's moderate 3 to May's peak at 9, before tapering back down to December's comfortable levels. With a burn time of 45 minutes, visitors and locals can enjoy the winter sun with much less concern for sunburn than during the hotter seasons. For more detailed information, check Ostuni UV Index.

Maximum UV Index Levels in Ostuni for December

The chart shows the monthly maximum UV Index (UVI) for Ostuni 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.
JanFebMarAprMayJunJulAugSepOctNovDec3467910997632
Data source: Ostuni 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 Ostuni

Nestled in the charming hills of Ostuni, Italy, December may mark the onset of winter, but it still offers a delightful amount of sunshine, with 246 hours illuminating the landscape. While this is a dip from the vibrant glow of summer months—when sunshine peaks at 427 hours in July—December's sunlight creates a cozy ambiance perfect for exploring the whitewashed streets of this enchanting town. The gradual transition from the sun-drenched days of June and July down to December's softer rays highlights the region's unique Mediterranean climate, ensuring that even in winter, there's a warmth to be found both in the sun and the local hospitality.

Monthly Sunshine Duration in Ostuni: December Highlighted

The December sunshine duration represents the total number of hours Ostuni 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.
JanFebMarAprMayJunJulAugSepOctNovDec198h259h326h354h402h414h427h398h343h311h247h246h
Data source: Ostuni December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ostuni During December

In December, Ostuni, Italy, enjoys a 55% chance of sunny weather, marking a notable improvement from the gloomy November, which sees only a 33% likelihood of sunshine. This month stands out as a transitional period, hinting at the brighter days to come as winter gives way to spring. Interestingly, the odds of sun increase compared to the earlier winter months, reflecting a trend where daylight starts to regain its prominence as the year draws to a close. While December may not boast the high probabilities of summer months like July and August, it offers a delightful balance that can inspire exploration and enjoy the charm of this picturesque town under gentle winter sun.

Percentage of Sunny Days in December in Ostuni

The chart illustrates the percentage of sunny days in Ostuni 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 Ostuni experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%52%58%52%58%71%84%81%59%51%33%55%
Data source: Ostuni December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ostuni in December

In Ostuni, Italy, the duration of daylight showcases a captivating rhythm throughout the year. Starting with a modest 9 hours in January and December, daylight gradually lengthens as spring approaches, peaking in June at a generous 15 hours. The gradual transition from winter through spring is marked by an increase to 14 hours in May and a steady decline in the summer. As July rolls in, daylight begins its slow retreat, dropping back to 13 hours in August and 12 hours in September. This gradual dimming continues into the fall, with daylight returning to 11 hours by October and closing out the year with another stint at 9 hours in December. This cycle highlights Ostuni's vibrant seasonal changes, offering a rich blend of light and shadow that characterizes the charm of the Italian landscape.

Average Daylight Hours in Ostuni for December

The chart illustrates the variation in daylight duration in Ostuni throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 36m10h 38m11h 57m13h 18m14h 27m15h 2m14h 44m13h 43m12h 25m11h 4m9h 53m9h 17m
Data source: Ostuni daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ostuni

As December ushers in the festive spirit in Ostuni, Italy, the wind gains a little momentum, boasting an average speed of 5.4 m/s (12 mph). This slight uptick in wind velocity contrasts with the calmer summer months, where speeds hovered around 3.6 to 3.9 m/s (8 to 9 mph). Interestingly, the month of December stands out with the highest wind speed since the start of winter, surpassing even November's 4.6 m/s (10 mph). This trend highlights the dynamic nature of Ostuni's winter weather, where the crisp December breeze invigorates the air, adding a touch of refreshment as the year draws to a close.

Average December Wind Speed in Ostuni

The chart displays monthly wind speed patterns in Ostuni, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.14.44.84.44.23.63.93.63.43.84.65.4 m/s
Data source: Ostuni December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ostuni Compares to Other Months

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

December and January present distinct yet somewhat similar weather patterns. In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 18°C (64°F), with an average of 11°C (53°F). The month experiences approximately 61 mm (2.4 in) of precipitation over 10 days, with humidity consistently high at 82%. In contrast, January sees a drop in minimum temperatures to -1°C (31°F), although the average remains close at 9°C (49°F), and maximum temperatures reach 16°C (62°F). Precipitation levels are slightly higher at 62 mm (2.4 in) spread over 9 days, while humidity remains unchanged at 82%. For more detailed insights into January weather, you can check Ostuni weather in January.

December and February both feature mild average temperatures, with December experiencing slightly warmer days, averaging 11°C (53°F) compared to February's average of 11°C (51°F). However, February can have cooler nights, with a minimum temperature of 2°C (35°F) versus December's 5°C (41°F). Precipitation is relatively similar in both months, with December seeing 61 mm (2.4 in) over 10 days and February receiving 56 mm (2.2 in) over 9 days. Notably, February has lower humidity at 74% compared to December's 82%, making it feel a bit less damp. For more detailed information, visit Ostuni weather in February.

In December, the weather typically sees a minimum temperature of 5°C (41°F) and averages around 11°C (53°F), peaking at 18°C (64°F). The month also witnesses higher precipitation, averaging 61 mm (2.4 in) over about 10 days, accompanied by a humidity level of 82%. In contrast, March presents a slightly cooler minimum temperature of 1°C (34°F) and an average of 12°C (53°F), with a maximum of 19°C (66°F). Precipitation is somewhat lower in March at 53 mm (2.1 in) across 9 days, and the humidity decreases to 70%. For more detailed insights, check out Ostuni weather in March.

In comparing the weather of December and April, we observe some notable differences. December features cooler temperatures, with a minimum of 5°C (41°F) and an average of 11°C (53°F), while April brings milder conditions, starting at a minimum of 6°C (42°F) and averaging 14°C (58°F). Additionally, April enjoys warmer maximum temperatures reaching up to 24°C (76°F), compared to December's upper limit of 18°C (64°F). Precipitation levels are also lower in April, totaling 44 mm (1.7 in) over about 7 rainy days, compared to December's 61 mm (2.4 in) spread across 10 days. Humidity is generally more comfortable in April at 71%, while December's humidity is higher at 82%. For a closer look at April weather specifics, visit Ostuni weather in April.

December and May present markedly different weather patterns. December experiences cooler temperatures, with a minimum of 5°C (41°F) and an average of 11°C (53°F), while May enjoys milder conditions, starting at a minimum of 10°C (50°F) and averaging 18°C (66°F). Precipitation in December is higher, with 61 mm (2.4 in) over 10 days, compared to May's 48 mm (1.9 in) over just 6 days. Additionally, humidity levels are noticeably elevated in December at 82%, dropping to a more comfortable 71% in May. For a closer look at the delightful weather in May, check out Ostuni weather in May.

December and June present contrasting weather conditions, highlighting the seasonal shift. In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 18°C (64°F), with an average of 11°C (53°F). The month sees about 61 mm (2.4 in) of precipitation over approximately 10 days, along with a high humidity of 82%. In stark contrast, June boasts much warmer temperatures, with a minimum of 13°C (56°F), an average of 23°C (74°F), and a maximum of 34°C (93°F). Precipitation drops significantly to 26 mm (1.0 in) over just 5 days, accompanied by a lower humidity of 65%. For more insights into the pleasant conditions of June, check out Ostuni weather in June.

In December, the weather tends to be much cooler and wetter, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 18°C (64°F). The month experiences about 61 mm (2.4 in) of precipitation over approximately 10 days, accompanied by a high humidity level of 82%. In contrast, July brings a significant increase in temperatures, averaging between 19°C (66°F) and 35°C (95°F), with a much drier climate that receives only 13 mm (0.5 in) of rain over just 3 days and a humidity level of 61%. For those considering summer plans, Ostuni weather in July is typically warm and ideal for outdoor activities.

In December, the weather is markedly cooler, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 18°C (64°F) and an average of 11°C (53°F). The month is also quite humid, with an average humidity of 82% and precipitation occurring on about 10 days, totaling 61 mm (2.4 in). In contrast, August sees much warmer conditions, boasting temperatures that range from a minimum of 20°C (67°F) to a scorching maximum of 36°C (97°F), with an average of 27°C (81°F). The humidity is lower at 56%, and there’s significantly less precipitation, with only 20 mm (0.8 in) falling over just 4 days. For more detailed information, check out Ostuni weather in August.

In December, the weather tends to be quite cooler, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 18°C (64°F). This month experiences significantly higher humidity at 82% and more precipitation, totaling 61 mm (2.4 in) over about 10 days. In contrast, September boasts much warmer temperatures, with averages between 16°C (60°F) and 32°C (90°F) and only 34 mm (1.3 in) of rain over 7 days, along with lower humidity at 66%. For a more detailed look at the pleasant weather in September, check out Ostuni weather in September.

December weather is notably cooler than October, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 18°C (64°F). In contrast, October enjoys milder conditions, averaging between 12°C (54°F) and 27°C (82°F). While precipitation levels are somewhat similar—61 mm (2.4 in) in December versus 63 mm (2.5 in) in October—December experiences more rainy days, totaling around 10 compared to October's 8 days. Additionally, December is characterized by higher humidity at 82%, making it feel more damp compared to October's 74% humidity. For detailed information about October weather, you can visit Ostuni weather in October.

In comparing the weather of December and November, we observe a notable shift in temperatures and precipitation patterns. December features a milder temperature range with a minimum of 5°C (41°F), an average of 11°C (53°F), and a maximum of 18°C (64°F), while November is warmer, with minimums at 7°C (44°F), averages of 15°C (60°F), and highs reaching 22°C (73°F). Precipitation also differs, as December experiences 61 mm (2.4 in) over about 10 days, compared to November's higher precipitation of 110 mm (4.3 in) over 12 days. Humidity levels in both months are similar, with December at 82% and November slightly lower at 80%. For a more detailed look at November weather, visit Ostuni weather in November.

Compare Ostuni's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ostuni

As December settles over Ostuni, the weather takes on a unique charm, setting it apart from the milder autumn months. With temperatures dipping to a cool average of 11°C (53°F), visitors can expect a refreshing atmosphere that contrasts with the warmer days of previous seasons. The month also brings an increase in precipitation, with about 10 days of rain, making the landscape lush and vibrant. The heightened humidity at 82% adds to a cozy ambiance, ideal for enjoying the festive season. To understand how Ostuni's December weather fits into the broader yearly climate, check out Ostuni Climate.