December Weather in Narni, Italy

Last updated: March 24, 2025

December in Narni, Italy, is characterized by a cool climate marked by a maximum temperature of 16°C (62°F) and an average of 7°C (45°F). Visitors can expect chilly evenings with temperatures dipping as low as -4°C (24°F). The month sees substantial precipitation, totaling 153 mm (6.0 in) over approximately 13 days, contributing to a high humidity level of 83%. While the weather may be crisp and damp, it also enhances the enchanting charm of Narni, making it an ideal time to explore its historical sites and picturesque landscapes.

December Temperature in Narni

In Narni, Italy, December marks a transitional phase as temperatures dip, bringing a distinct chill to the air. With the minimum reaching -4°C (24°F) and an average settling at 7°C (45°F), winter whispers its arrival. Daytime highs can reach a moderate 16°C (62°F), creating a cool yet bearable climate that contrasts sharply with the warmth of summer months. As the year winds down, December's temperatures continue the trend of gradual cooling observed since November, highlighting the shift from the mild autumn into the crisper depths of winter. While soft frost may blanket the mornings, the cozy ambiance of Narni beckons visitors to embrace the seasonal charm.

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

The chart illustrates December temperature patterns in Narni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424648556272777868595245
Data source: Temperature data for Narni 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 Narni

In December, Narni, Italy experiences a significant amount of rainfall, with 153 mm (6.0 in) falling over approximately 13 days. This marks a slight decrease from the notably wetter November, which recorded 158 mm (6.2 in) of precipitation over 15 days. The trend toward increased precipitation in the late autumn months culminates in December, contributing to the region's lush landscapes. With winter firmly established, the increase in rainfall this month signals a seasonal shift, as temperatures begin to drop and the vegetation benefits from the rich, nourishing waters. Overall, December continues the pattern of substantial precipitation that characterizes the end of the year, ensuring that Narni remains a picturesque gem even under the winter skies.

December Precipitation Trends in Narni

The chart displays monthly precipitation patterns in Narni, 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.
JanFebMarAprMayJunJulAugSepOctNovDec658495809448303112096158153
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Narni

December in Narni, Italy, sees a relative humidity of 83%, creating a slightly damp atmosphere as the year draws to a close. This month’s levels exhibit a notable consistency with the high humidity of November at 84% and closely align with the moisture-rich January. Throughout the year, humidity in Narni displays a clear trend: it peaks in the colder months, particularly December and January, while the summer months enjoy significantly drier conditions, with July and August dropping to 57% and 55%, respectively. As the seasons shift, the transition from dry to humid is especially pronounced in the late fall, leading into the winter months that envelop the region in a cozy, atmospheric chill. This enchanting humidity pattern plays a vital role in shaping both the climate and the seasonal charm of Narni.

December Average Humidity in Narni

This chart illustrates the average monthly humidity levels in Narni, 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 Narni

In December, Narni experiences a noticeable decrease in UV exposure, with the UV Index plummeting to 2, which falls into the low exposure category. This means that residents and visitors can safely enjoy the outdoors with an extended burn time of 45 minutes, significantly longer than the summer months, when UV levels reached a peak of 10. As the year transitions from the bright summer sun to the cooler winter days, one can observe a clear trend of diminishing UV intensity. This makes December a more forgiving month for sun-seekers, allowing for leisurely outdoor activities without the immediate concern of sunburn. For detailed UV insights, visit Narni UV Index.

Maximum UV Index Levels in Narni for December

The chart shows the monthly maximum UV Index (UVI) for Narni 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.
JanFebMarAprMayJunJulAugSepOctNovDec34578101097542
Data source: Narni 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 Narni

In the enchanting town of Narni, Italy, December wraps up the year with a modest 234 hours of sunshine, reflecting a gentle decline as winter settles in. This month sees a significant contrast to the radiant July peak of 432 hours, portraying a clear trend of diminishing daylight as the seasons transition. Interestingly, while December’s sunlight is lower than the bright spring and summer months, it still surpasses the more somber November days, which captured only 240 hours. As the year comes to a close, Narni's December offers a soft, sunlit backdrop to its charming medieval streets, inviting visitors to embrace the brisk air and delightful scenery.

Monthly Sunshine Duration in Narni: December Highlighted

The December sunshine duration represents the total number of hours Narni 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.
JanFebMarAprMayJunJulAugSepOctNovDec196h248h318h349h394h418h432h398h336h312h240h234h
Data source: Narni December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Narni During December

In Narni, Italy, the likelihood of sunny weather in December stands at a moderate 46%. While this marks an improvement compared to the gloomier November, which has only a 31% chance of sun, it is still less favorable than the sunnier months that follow. The sunny weather begins to pick up after December, particularly peaking in the summer months of July and August, where chances soar to 66% and 68%, respectively. Overall, December serves as a transitional month, hinting at more vibrant and sunny days ahead while still retaining a fair share of cloudy weather.

Percentage of Sunny Days in December in Narni

The chart illustrates the percentage of sunny days in Narni 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 Narni experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%54%61%43%44%61%66%69%56%43%31%46%
Data source: Narni December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Narni in December

In Narni, Italy, the daylight duration experiences a notable rhythm throughout the year, peaking in the summer months and dipping in winter. Starting from nine hours in January and November, the days gradually lengthen to a delightful fifteen hours by June, offering residents and visitors abundant sunlight during the warmer months. As summer fades, daylight begins its gradual decline, returning to thirteen hours in August and then to twelve in September. The shift continues until December, where daylight levels settle back at nine hours, reflecting the seasonal cycle’s embrace of the colder, darker days. This pattern not only influences daily life in Narni but also enhances the beauty of its landscapes, inviting exploration under both the bright summer sun and the softer winter light.

Average Daylight Hours in Narni for December

The chart illustrates the variation in daylight duration in Narni throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 26m10h 33m11h 57m13h 23m14h 36m15h 13m14h 54m13h 49m12h 26m11h9h 45m9h 6m
Data source: Narni daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Narni

In December, the charming town of Narni, Italy, experiences a refreshing wind that averages 2.3 m/s (5 mph), maintaining the breezy trend established in the earlier months of the year. Notably, the wind speeds through the winter months tend to hover around similar levels, with December reflecting a slight uplift compared to the calms of mid-summer, where the average dipped to 1.7 m/s (4 mph) in June. This consistent airflow not only adds a crispness to the festive air but also coincides with a seasonal shift that invites locals and travelers alike to enjoy the enchanting winter landscape. As the year comes to a close, the invigorating winds of December echo the lively spirit of Narni, reminding all of the beauty of its serene yet vibrant atmosphere.

Average December Wind Speed in Narni

The chart displays monthly wind speed patterns in Narni, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.02.12.02.31.72.21.91.62.32.02.3 m/s
Data source: Narni December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Narni Compares to Other Months

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

December and January in Narni exhibit distinct weather patterns, characterized by slightly lower temperatures in January. In December, temperatures range from a minimum of -4°C (24°F) to a maximum of 16°C (62°F), with an average of 7°C (45°F). The month is relatively wet, receiving 153 mm (6.0 in) of precipitation over 13 days, and the humidity averages around 83%. In contrast, January is slightly cooler, with temperatures falling to a minimum of -5°C (23°F) and an average of 5°C (42°F), while the maximum reaches 17°C (64°F). Precipitation decreases significantly to 65 mm (2.6 in) over just 8 days, resulting in a marginally higher humidity of 84%. For a detailed look at January weather in Narni, visit Narni weather in January.

December and February display notable differences in weather patterns. In December, temperatures range from a chilly minimum of -4°C (24°F) to a mild maximum of 16°C (62°F), with an average of 7°C (45°F). The month sees considerable precipitation, totaling 153 mm (6.0 in) across 13 days, coupled with a high humidity of 83%. In contrast, February experiences even colder temperatures, with a minimum of -13°C (10°F) and a slightly warmer average of 8°C (46°F), peaking at 19°C (67°F). Precipitation decreases significantly to 84 mm (3.3 in) over 9 days, while humidity drops to 76%. For more details on February weather, you can check out Narni weather in February.

December and March present distinct weather contrasts. In December, temperatures range from a chilly -4°C (24°F) at night to a milder 16°C (62°F) during the day, with an average of 7°C (45°F). The month sees considerable rainfall, totaling 153 mm (6.0 in) over 13 days and maintaining high humidity at 83%. In contrast, March experiences lower minimum temperatures of -16°C (3°F) but can warm up to 23°C (73°F), with an average of 9°C (49°F). The precipitation drops to 95 mm (3.7 in) across just 9 days, accompanied by lower humidity levels of 68%. For a detailed look at the weather patterns in March, you can visit Narni weather in March.

December and April present distinct contrasts in weather patterns. In December, temperatures range from a chilly -4°C (24°F) at the minimum to a milder 16°C (62°F) at the maximum, with an average temperature of 7°C (45°F). This month is characterized by high humidity at 83% and significant precipitation, totaling 153 mm (6.0 in) over 13 days. In contrast, April brings warmer conditions, with temperatures ranging from a minimum of -2°C (29°F) to a pleasant maximum of 26°C (79°F), and an average of 13°C (55°F). Precipitation in April drops to 80 mm (3.1 in) over 10 days, and humidity decreases to a more comfortable 70%. For more detailed insights on April weather, you can visit Narni weather in April.

December and May offer distinctly different weather experiences. In December, temperatures can dip as low as -4°C (24°F) and reach a maximum of 16°C (62°F), with an average around 7°C (45°F). This month typically sees more precipitation, averaging 153 mm (6.0 in) over about 13 days, accompanied by higher humidity at 83%. In contrast, May brings milder and warmer conditions, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 32°C (91°F), and an average of 17°C (63°F). Precipitation decreases to 94 mm (3.7 in) across the same number of rainy days, with humidity dropping to 69%. For more details about the weather in May, you can visit Narni weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a chilly -4°C (24°F) to a mild 16°C (62°F), with an average of 7°C (45°F). This month also sees considerable precipitation, with 153 mm (6.0 in) falling over 13 days and high humidity at 83%. In stark contrast, June experiences much warmer conditions, with temperatures fluctuating between a minimum of 9°C (49°F) and a maximum of 38°C (100°F), averaging around 22°C (72°F). Precipitation is significantly lower at 48 mm (1.9 in), spread across just 4 days, and humidity drops to a more comfortable 62%. For more details on June's weather, you can check Narni weather in June.

December and July present strikingly different weather patterns. In December, temperatures range from a chilly -4°C (24°F) at night to a mild 16°C (62°F) during the day, with an average temperature of 7°C (45°F). The month also sees significant precipitation, totaling 153 mm (6.0 in) over about 13 days, alongside high humidity levels of 83%. In contrast, July boasts much warmer temperatures, with nighttime lows of 14°C (58°F) and daytime highs reaching a sweltering 37°C (99°F), averaging around 25°C (77°F). The summer month experiences far less rain, with only 30 mm (1.2 in) of precipitation spread over just 4 days and lower humidity at 57%. This stark contrast highlights the seasonal extremes in temperature and moisture levels. For more detailed information, you can check Narni weather in July.

December and August present strikingly contrasting weather conditions. In December, temperatures range from a chilly -4°C (24°F) at their lowest to a mild 16°C (62°F) at their peak, with an average of 7°C (45°F). This month also sees significant precipitation, totaling 153 mm (6.0 in) over 13 days, accompanied by high humidity levels at 83%. Conversely, August boasts a much warmer climate, with minimum temperatures around 12°C (54°F) and averages soaring to 25°C (78°F), peaking at an impressive 40°C (104°F). The month experiences far less rain, with only 31 mm (1.2 in) spread across just 6 days, and a more comfortable humidity level of 55%. For more detailed information about August's weather, visit Narni weather in August.

In December, temperatures drop significantly, with minimums reaching -4°C (24°F) and an average of just 7°C (45°F), while maximums hover around 16°C (62°F). The month is characterized by higher precipitation levels, with about 153 mm (6.0 in) accumulated over 13 days and humidity rising to 83%. In contrast, September boasts a much warmer climate, with minimums of 7°C (44°F) and an average temperature of 20°C (69°F), peaking at 33°C (91°F). This month also sees less rainfall, totaling 120 mm (4.7 in) over just 9 days, along with more comfortable humidity levels of 66%. For more detailed insights on September weather, visit Narni weather in September.

In comparing the weather between December and October, December tends to be significantly colder, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 16°C (62°F), while October enjoys milder conditions, featuring a minimum of 5°C (42°F) and a comfortable maximum of 28°C (82°F). Additionally, December experiences more precipitation, totaling 153 mm (6.0 in) over 13 days, compared to October's 95 mm (3.8 in) across just 9 days. The humidity is slightly higher in December at 83%, compared to October’s 79%. Overall, October offers more pleasant and warmer weather, making it a more inviting month for outdoor activities. For more detailed information, you can check out Narni weather in October.

In comparing the weather between November and December, we see some notable differences. December tends to be cooler, with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 16°C (62°F), while November boasts milder conditions, with temperatures ranging from -2°C (29°F) to a maximum of 21°C (70°F). Precipitation levels are fairly consistent, with December receiving 153 mm (6.0 in) over 13 days and November slightly higher at 158 mm (6.2 in) over 15 days. Humidity remains relatively stable, with December at 83% and November at 84%. For a detailed look at November's weather, you can visit Narni weather in November.

Compare Narni's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Narni

As December graces Narni, the weather takes on a distinct chill, ushering in a transformation from the milder temperatures of earlier months. With an average high of 7°C and a relatively cold minimum of -4°C, this month experiences a notable drop in warmth, alongside an increase in humidity at 83%. The festive spirit is often accompanied by frequent rainfall, with about 13 days of precipitation accumulating to 153 mm, making it one of the wetter months of the year. For those looking to understand the complete picture of Narni's climate throughout the seasons, visit our detailed page on Narni Climate.