Last updated: February 26, 2025
In December, Mainz, Germany, embraces a chilly climate with temperatures ranging from a brisk maximum of 14°C (58°F) to a frosty minimum of -6°C (21°F), yielding an average of 4°C (39°F). This month also sees an increased likelihood of precipitation, totaling 94 mm (3.7 in) over approximately 17 days, contributing to the city’s characteristic 91% humidity. Bundle up and enjoy the enchanting winter atmosphere of Mainz as it transforms into a snow-dusted wonderland!
December in Mainz, Germany, ushers in the chill of winter, with temperatures displaying a notable contrast to the milder months preceding it. With minimums dipping to a brisk -6°C (21°F), and daytime averages around 4°C (39°F), this month marks a significant drop from the previous fall. The temperatures can reach a maximum of 14°C (58°F), offering brief respites from the cold. Compared to the previous months, such as November, where temperatures ranged from -4°C (25°F) to 21°C (70°F), the December chill signals the heart of winter. As residents and visitors embrace the festive spirit, cozy atmospheres abound, making it a delightful time to experience Mainz’s seasonal charm.
In December, Mainz experiences a notable spike in precipitation, totaling an impressive 94 mm (3.7 in), making it the wettest month of the year. This increase in rainfall coincides with the highest number of precipitation days, reaching 17. This trend reflects a significant shift from the drier months preceding it, such as October and November, which see 53 mm and 47 mm, respectively. The heavier rainfall often brings a chill to the air, marking the transition to winter while enveloping the city in a serene atmosphere typical of the season. Overall, December’s climate underscores Mainz’s propensity for variability, showcasing the contrast of its weather patterns as the year comes to a close.
In Mainz, Germany, December marks the return of higher humidity levels, with a notable 91% recorded this month. This increase mirrors the trend seen in January and November, where humidity levels also hover around the 90% mark. As the year progresses, there's a gradual descent from 87% in March to a low of 79% in May, before consistent fluctuations take place throughout the summer months. Notably, as autumn sets in with October and November, humidity begins to climb again, leading up to December's cozy, moisture-laden air. This cyclical pattern highlights Mainz’s climate, where the rich, humid atmosphere reemerges as winter approaches, influencing both weather and local lifestyles.
In December, Mainz, Germany experiences a UV Index of 1, categorized as low, which signifies minimal sun exposure risk. This is a notable drop from the peak levels seen in the summer months, where the UV Index would soar to 8. As the year winds down, residents and visitors can enjoy outdoor activities with the assurance that they have a generous burn time of 45 minutes before needing sun protection—nearly double that of the sunnier season. This trend of decreasing UV levels from November's 2 to December's 1 is consistent with the onset of winter, emphasizing a much more relaxed approach to sun safety this time of year. For more detailed insights, visit Mainz UV Index.
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In Mainz, Germany, the sun graces the city with its presence throughout the year, yet December marks a notable drop in sunshine hours, with only 122 hours illuminating the winter months. As the year transitions from the sun-drenched days of July and June, which boast over 400 hours of sunlight each, the lingering warmth of summer gives way to the shorter, gloomier days of late autumn and winter. This trend reflects nature's rhythm, where March to May brings a significant resurgence in sunshine, peaking in the vibrant month of April with 344 hours. December's diminished sunlight serves as a gentle reminder of the seasonal ebb and flow, inviting residents and visitors alike to find solace in the cozy charm of Mainz's winter ambience.
In December, Mainz, Germany experiences a significant dip in sunshine, with only a 14% chance of sunny weather. This positions December as one of the least sunny months of the year, following the even lower probabilities of November at 17%. As the year progresses from January's meager 12% to later months like March and April, which see chances rise to around 45%, it's evident that winter firmly holds its grip on the region during this time. The trend showcases a gradual increase in sunlight as spring approaches, but December remains a time for cozy indoor activities, leaving sun-seekers longing for the brighter days ahead.
In Mainz, Germany, the daylight duration paints a vivid picture of the seasonal shift throughout the year. As winter approaches, December brings with it a return to 8 hours of daylight, mirroring the sparse light seen in January. This emphasizes a trend where the shortest days are nestled between the darker months, with November's 9 hours serving as a slight decrease from the fall. However, the transition into spring heralds longer days, starting with 11 hours in March and peaking in the summer months with a delightful 16 hours of daylight in June. As the year progresses, daylight gradually wanes, leading to familiar patterns where each season offers a unique rhythm to the hours of light, ultimately enriching the experience of Mainz's natural beauty.
As December settles into Mainz, Germany, the wind begins to whisper its chill, with an average speed of 2.7 m/s (6 mph). This marks a slight uptick from the preceding months, hinting at the seasonal shift. Notably, wind speeds during the winter months, particularly in December, remain lower than the spring spike in May, which boasts an invigorating average of 3.4 m/s (8 mph). The gentle December breezes are reminiscent of the consistent calm that characterizes the late autumn, where speeds hover around 2.4 m/s (5 mph). This subtle increase symbolizes a transition, setting the stage for the deeper winter winds to come, while providing a serene backdrop to Mainz's winter landscapes.
The weather in Mainz 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 Mainz and find detailed weather information for every month.
December and January showcase a notable shift in weather patterns. December generally experiences milder temperatures, averaging around 4°C (39°F) with a maximum of 14°C (58°F) and a minimum of -6°C (21°F). In contrast, January tends to be slightly colder, with average temperatures dropping to 2°C (37°F) and a minimum reaching -9°C (15°F). Additionally, December sees higher precipitation levels, measuring 94 mm (3.7 in) over 17 days, compared to January's 56 mm (2.2 in) over just 11 days. Both months maintain a high humidity level of 91%, but the drop in precipitation and colder temperatures in January marks a distinct transition into winter. For more details on January's weather in Mainz, check out Mainz weather in January.
December generally experiences milder temperatures compared to February, with average highs of 14°C (58°F) as opposed to February's maximum of 18°C (65°F). However, December has a slightly warmer minimum temperature of -6°C (21°F) compared to February's low of -11°C (13°F). In terms of precipitation, December is rainier, receiving 94 mm (3.7 in) over 17 days, while February sees less rainfall at 52 mm (2.0 in) across 11 days. Humidity is also a bit higher in December at 91%, compared to February's 89%. For a more detailed look at February weather, visit Mainz weather in February.
In December, the weather tends to be colder, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 14°C (58°F), and average humidity levels reaching 91%. The month sees significant precipitation, totaling 94 mm (3.7 in) over 17 days. In contrast, March offers a gradual warming trend, with minimum temperatures dropping to -11°C (13°F) but peaking higher at 22°C (72°F), featuring an average of 6°C (44°F). Precipitation is lighter in March, amounting to 63 mm (2.5 in) over 13 days, and the humidity decreases slightly to 87%. For more detailed insights into March weather, you can visit Mainz weather in March.
In December, the weather tends to be quite chilly, with temperatures ranging from a low of -6°C (21°F) to a maximum of 14°C (58°F), averaging around 4°C (39°F). The month sees considerable precipitation, with 94 mm (3.7 in) spread over 17 days, contributing to a high humidity level of 91%.
In contrast, April brings a more temperate climate, with a minimum temperature of -4°C (26°F) and a much warmer maximum of 27°C (80°F), leading to an average of 10°C (50°F). Precipitation is significantly reduced to 34 mm (1.3 in) over just 7 days, and the humidity drops to 83%. For more detailed information, you can check the Mainz weather in April.
December weather in Mainz is characterized by chilly temperatures, with a minimum of -6°C (21°F) and an average of around 4°C (39°F). Precipitation is quite common during this month, totaling 94 mm (3.7 in) over 17 days, and the humidity remains high at 91%. In contrast, May brings a dramatic shift, with temperatures ranging from a minimum of 0°C (33°F) to a pleasant average of 14°C (57°F) and a maximum reaching up to 32°C (90°F). The month experiences significantly less rainfall, with 71 mm (2.8 in) falling over 12 days, and the humidity decreases to a more comfortable 79%. For more details on what to expect in May, check the Mainz weather in May.
December and June present stark contrasts in weather conditions. In December, temperatures range from a chilly -6°C (21°F) to a mild 14°C (58°F), with an average of 4°C (39°F). The month is characterized by significant humidity at 91% and ample precipitation, totaling 94 mm (3.7 in) over 17 days. In sharp contrast, June boasts much warmer temperatures, with a minimum of 7°C (45°F) and an impressive maximum reaching 36°C (97°F), averaging 19°C (67°F). Additionally, June experiences less precipitation at 76 mm (3.0 in) across 11 days, along with lower humidity at 82%. For a closer look at June's weather specifics, you can visit Mainz weather in June.
December weather typically features much colder temperatures, with lows dipping to -6°C (21°F) and an average of only 4°C (39°F), while July enjoys a significantly warmer climate, with minimum temperatures around 8°C (47°F) and an average of 20°C (69°F). Additionally, July can heat up to a maximum of 39°C (103°F), in stark contrast to December's maximum of 14°C (58°F). Precipitation patterns also differ, as December experiences more rainfall over a longer duration with 94 mm (3.7 in) across 17 days, compared to July's 64 mm (2.5 in) over just 11 days. The humidity levels are higher in December at 91%, while July maintains a relatively lower humidity of 83%. For more details on July weather, you can visit Mainz weather in July.
December and August present stark contrasts in weather. December sees much cooler temperatures, ranging from a minimum of -6°C (21°F) to a maximum of 14°C (58°F), with an average of 4°C (39°F). In contrast, August enjoys milder temperatures, with lows of 7°C (44°F) and highs reaching up to 36°C (96°F), averaging around 20°C (68°F). Precipitation is also notable, with December experiencing 94 mm (3.7 in) over 17 days, compared to August's 60 mm (2.3 in) over 12 days. Humidity levels are higher in December at 91%, while August maintains a more comfortable 84%. For more details on August weather specifically, visit Mainz weather in August.
When comparing the weather in December and September, notable differences emerge in temperature and precipitation patterns. December temperatures are much cooler, featuring a minimum of -6°C (21°F) and an average of 4°C (39°F), while September enjoys a milder climate with temperatures ranging from a minimum of 3°C (37°F) to an average of 16°C (61°F) and highs reaching up to 33°C (91°F). Additionally, December experiences significantly more precipitation, totaling 94 mm (3.7 in) over 17 days, compared to September's 45 mm (1.8 in) spread over just 7 days. Humidity levels are also higher in December at 91%, versus September's 85%. For a more detailed look at September weather, check out Mainz weather in September.
In December, temperatures drop significantly compared to October, with a minimum of -6°C (21°F) and an average of just 4°C (39°F), whereas October offers more mild conditions, with temperatures ranging from a minimum of 0°C (32°F) to an average of 11°C (52°F) and a maximum of 26°C (79°F). Precipitation also increases in December, averaging 94 mm (3.7 in) over 17 days, while October sees less rain, totaling 53 mm (2.1 in) over 11 days. Humidity remains relatively high in both months, with December at 91% and October at 88%. For a closer look at the weather specifics during October, you can refer to Mainz weather in October.
December weather tends to be colder and wetter compared to November. While November sees a milder average temperature of 6°C (43°F) with daytime highs reaching up to 21°C (70°F), December's average drops to 4°C (39°F) and maximum temperatures only reach 14°C (58°F). Additionally, December experiences significantly more precipitation with 94 mm (3.7 in) over 17 days, compared to November's 47 mm (1.9 in) across 11 days. Humidity levels also rise slightly in December, averaging 91% compared to November's 89%. For more information, check out Mainz weather in November.
As December settles over Mainz, the weather takes a distinct turn, transforming into a chilly and damp climate that starkly contrasts the milder months preceding it. With average temperatures hovering around 4°C (39°F) and occasional dips to -6°C (21°F), residents and visitors alike should prepare for a decidedly cooler experience. The increase in precipitation, averaging 94 mm across 17 rainy days, adds to the atmospheric humidity of 91%, creating a uniquely crisp and overcast ambiance. This transition into winter paints Mainz in a different light, compelling everyone to embrace cozy indoor activities while enjoying the seasonal charm. For more detailed insights into Mainz's climate, check out Mainz Climate.