Last updated: March 24, 2025
In December, San Francesco experiences a unique winter climate characterized by mild temperatures and significant precipitation. With maximum temperatures reaching 14°C (58°F) and dipping to a chilly -5°C (23°F) at night, the average daytime temperature settles around 5°C (41°F). The region sees approximately 138 mm (5.4 in) of rainfall spread over 14 days, contributing to a high humidity level of 83%. This combination of cool air and frequent rain creates a crisp atmosphere perfect for cozy indoor activities or exploring the scenic surroundings wrapped in warm clothing.
In San Francesco, Italy, December ushers in the winter chill, with temperatures ranging from a minimum of -5°C (23°F) to a comfortable maximum of 14°C (58°F). The average temperature hovers around 5°C (41°F), marking a noticeable drop from the milder autumn months. This month stands out as the nadir of temperatures for the year, with December’s cool air often complemented by a crisp, invigorating ambiance. Overall, the transition from November's slightly milder readings leads into the depth of winter, making December a time for cozy layers and festive spirit as the town prepares for the holidays.
December in San Francisco, Italy, marks the tail end of a notably wet season, with precipitation reaching 138 mm (5.4 in) over an average of 14 days. This reflects a trend of increased rainfall as the year draws to a close, following November's substantial 143 mm (5.6 in) on 13 days. Compared to the drier summer months, December's precipitation showcases a significant uptick, as rainfall is practically double that of the driest months, July and August. The combination of chilly weather and frequent rain sets a lush backdrop for the region, signaling the heart of winter and contributing to the vibrant local flora.
As December arrives in San Francesco, Italy, humidity levels remain notably high at 83%, keeping the air moist and crisp as winter settles in. This marks a slight decrease from the wetter months of November and January, both at 84%, but still reflects the overall trend of elevated humidity throughout the winter season. Following a steady decline from midsummer's low of 55% in August, humidity begins to rise again as the year winds down. With levels consistently hovering in the 70% range from late fall through winter, December's climate offers a reminder of the region's cooler, wetter months, creating a serene backdrop for holiday festivities.
As the year winds down, December in San Francesco, Italy, sees a return to a low UV Index of 2, which translates to a 45-minute burn time. This marks a significant drop from the summer months, where an intense UV Index peaked at 10, prompting caution and quick reapplication of sunscreen. The trend from January through November shows a gradual increase in UV exposure, peaking in the warmer months, particularly May through August. As temperatures cool and daylight decreases, the UV Index reflects a pattern that encourages outdoor enjoyment while still being mindful of the sun, making December a perfect month for leisurely strolls without the constant worry of sunburn. For detailed information, visit San Francesco UV Index.
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In San Francisco, Italy, December ushers in a gentle transition as the year winds down, offering 216 hours of sunshine. While this is a subtle dip compared to the abundance of light seen in the summer months, it still reflects the city's charm during the cooler winter season. July beams with the most sunshine at 432 hours, but as we move into the late months, the trend shows a gradual decline from a peak in the bustling summer to a more subdued yet cozy winter atmosphere. Despite fewer hours, December's sunshine still glimmers as a comforting companion to the festivities, reminding us that even at the year's end, San Francisco remains a place where light and warmth can be found.
In December, San Francesco, Italy, offers a 37% chance of sunny weather, marking a slight rebound from the gloomier months of October and November, which see chances drop to 39% and 27%, respectively. As the year draws to a close, the likelihood of sunshine maintains a balance, showing a steady trend compared to the prior winter months. While not as promising as the spring or summer seasons, where the probability of sun peaks in March at 62%, December presents a mix of cloudy skies and sunlight, inviting visitors to enjoy the mild charm of the region. This transitional month could surprise residents and tourists alike with occasional bursts of sunshine amidst the cooler air as the new year approaches.
In San Francisco, the ebb and flow of daylight duration showcases a captivating seasonal rhythm. Starting in January with about 9 hours of daylight, the days gradually lengthen, reaching a peak of 15 hours in June and July. Following this peak, daylight begins to wane, with August seeing a drop to 13 hours, leading into a gradual decline that culminates in a mere 8 hours of daylight by December. This cycle highlights the city’s subtle dance between light and dark, offering residents and visitors alike a dynamic experience of the changing seasons. Whether basking in the summer sun or embracing the cozy charm of winter evenings, the variations in daylight throughout the year make San Francisco a uniquely captivating place to observe nature's cycles.
In December in San Francesco, Italy, the wind whispers at an average speed of 1.8 m/s (4 mph), marking a gentle shift as the year comes to a close. This decrease aligns with the trend observed through the winter months, where winds tend to soften after their peak in late spring, particularly in May with speeds reaching 2.5 m/s (6 mph). Throughout the year, wind speeds fluctuate, peaking in March and October at just over 2.2 m/s (5 mph), but as the festive season arrives, the calming December breezes invite residents and visitors alike to cozy up and embrace the holiday spirit. Overall, the consistent mild wind brings a peaceful ambiance, characteristic of this enchanting city during the winter months.
The weather in San Francesco 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 San Francesco and find detailed weather information for every month.
December and January weather show subtle differences, with December generally being milder than January. In December, temperatures range from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), and the average temperature hovers around 5°C (41°F). This month also sees higher precipitation levels at 138 mm (5.4 in) over 14 days, contributing to a humidity level of 83%. In contrast, January experiences slightly colder temperatures, with a low of -8°C (17°F) and a high of 13°C (57°F), resulting in an average temperature of 3°C (38°F). Precipitation drops to 61 mm (2.4 in) across 8 days, with humidity slightly increasing to 84%. For more detailed insights on January's weather, you can check this link: San Francesco weather in January.
December and February showcase notable differences in weather patterns. In December, temperatures range from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), with an average of 5°C (41°F). The month is also characterized by higher precipitation, totaling 138 mm (5.4 in) over 14 days, accompanied by a relatively high humidity level of 83%. In contrast, February experiences slightly milder temperatures, with a minimum of -12°C (10°F) and a maximum of 19°C (66°F), while the average temperature is 6°C (43°F). Precipitation decreases to 105 mm (4.1 in) over 11 days, and the humidity drops to 76%. For more detailed information on February weather, visit San Francesco weather in February.
In December, the weather tends to be quite chilly, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F) and an average of 5°C (41°F). The month experiences considerable precipitation, totaling 138 mm (5.4 in) over about 14 days, accompanied by high humidity levels of 83%. In contrast, March brings a slight warming trend, characterized by temperatures that vary from a minimum of -15°C (5°F) to a maximum of 21°C (71°F), with an average of 7°C (45°F). This month sees lower precipitation at 89 mm (3.5 in) over 11 days and a decrease in humidity to 68%. For more details on weather during this time, refer to San Francesco weather in March.
In December, temperatures are notably cooler, ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F) with an average of 5°C (41°F). The month sees a high level of precipitation at 138 mm (5.4 in) over about 14 days, accompanied by a humidity level of 83%. In contrast, April brings milder weather with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 24°C (75°F) and an average of 11°C (52°F). Precipitation in April decreases to 96 mm (3.8 in) over 12 days, and the humidity level is lower at 70%, making for a more comfortable atmosphere. For more insights, visit San Francesco weather in April.
December and May present contrasting weather experiences. In December, temperatures can dip as low as -5°C (23°F) with an average of 5°C (41°F), while May enjoys a milder climate with a minimum of 2°C (37°F) and an average of 15°C (59°F). December sees more precipitation with 138 mm (5.4 in) over 14 days, resulting in a humidity level of 83%, making it feel quite damp and cold. In contrast, May, while slightly drier at 126 mm (5.0 in) over 17 days, boasts a warmer atmosphere with lower humidity at 69%, contributing to more comfortable and enjoyable conditions. For a detailed look at the weather specifics in May, check San Francesco weather in May.
December and June present strikingly different weather patterns. In December, temperatures can dip as low as -5°C (23°F), with an average temperature around 5°C (41°F) and a maximum of 14°C (58°F). The month is quite wet, receiving 138 mm (5.4 in) of precipitation over 14 days, coupled with high humidity levels at 83%. In contrast, June boasts much milder conditions, featuring minimum temperatures of 8°C (47°F), an average of 20°C (68°F), and highs reaching 34°C (94°F). Precipitation decreases significantly to 58 mm (2.3 in) spread over just 8 days, and the humidity is lower at 62%. For more details on the warm and sunny characteristics of June, check out San Francesco weather in June.
The weather in December is significantly colder and wetter compared to July. In December, temperatures range from a chilly -5°C (23°F) to a mild 14°C (58°F), with an average of 5°C (41°F). This month experiences substantial precipitation, averaging 138 mm (5.4 in) over about 14 days, accompanied by high humidity levels of 83%. Conversely, July basks in warmth with temperatures ranging from a minimum of 11°C (51°F) to a scorching maximum of 35°C (95°F) and an average of 22°C (73°F). It is also a much drier month, with only 46 mm (1.8 in) of rainfall over just 6 days and lower humidity at 57%. For more details on the weather during July in this region, you can check San Francesco weather in July.
December and August present strikingly different weather conditions. In December, temperatures range from a chilly -5°C (23°F) at night to a mild 14°C (58°F) during the day, accompanied by significant rainfall of 138 mm (5.4 in) spread over 14 days and high humidity at 83%. In contrast, August boasts much warmer temperatures, with a minimum of 11°C (52°F), an average of 23°C (73°F), and peaks reaching up to 34°C (94°F). This summer month experiences considerably less precipitation, totaling only 43 mm (1.7 in) across 7 days, and lower humidity at 55%. For those interested in more details about summer weather patterns, visit San Francesco weather in August.
In December, temperatures plummet, with lows reaching -5°C (23°F) and averaging around 5°C (41°F), compared to a much warmer September that enjoys mild conditions with minimums of 5°C (42°F) and an average temperature of 18°C (65°F). The maximum temperature in December peaks at 14°C (58°F), while September can soar to a comfortable 29°C (84°F). Precipitation also increases in December, totaling 138 mm (5.4 in) over 14 days, in contrast to September's milder 83 mm (3.3 in) spread across 10 days. Additionally, December's humidity sits at a high 83%, making it feel even colder, while September's humidity is considerably lower at 66%. For more detailed insights on the weather in September, you can visit San Francesco weather in September.
December presents a stark contrast to October in terms of weather conditions. While October boasts milder temperatures with an average of 13°C (56°F) and highs reaching up to 24°C (75°F), December's temperatures are significantly cooler, averaging around 5°C (41°F) and peaking at only 14°C (58°F). Additionally, December experiences more precipitation at 138 mm (5.4 in) over 14 days compared to October's 94 mm (3.7 in) over 10 days, indicating a wetter climate. The humidity also rises slightly in December, averaging 83% compared to October's 79%. For more detailed insights about October weather, you can check San Francesco weather in October.
In comparing the weather patterns of December and November, December tends to be colder, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), compared to November's milder range of -2°C (29°F) to 18°C (64°F). Precipitation levels are similar, with December receiving 138 mm (5.4 in) over 14 days, slightly less than November's 143 mm (5.6 in) across 13 days. Humidity remains quite high for both months, averaging around 83% in December and 84% in November. For more detailed insights into weather variations, check out San Francesco weather in November.
As December settles in, San Francesco experiences a noticeable shift in weather, marked by cooler temperatures and increased humidity. The chill in the air, with an average of 5°C (41°F), distinguishes this month from the milder autumn months, making it a time for cozy gatherings and festive celebrations. December also sees a rise in precipitation, with about 14 rainy days, contributing to a lush winter landscape. With humidity levels peaking at 83%, the atmosphere feels damp and crisp. For those looking to explore the unique climate of this charming town during the winter season, more details can be found at San Francesco Climate.