December Weather in Wetzlar, Germany

Last updated: February 26, 2025

December in Wetzlar, Germany is characterized by a chilly climate, with maximum temperatures reaching around 14°C (57°F) and minimums dipping to -7°C (20°F). The month averages a cool 3°C (38°F), making warm attire a necessity for residents and visitors alike. Precipitation is notable, with approximately 99 mm (3.9 in) spread over 17 days, creating a damp atmosphere accentuated by a high humidity level of 92%. Whether you're enjoying the festive lights or exploring the charming streets, prepare for a quintessentially wintry experience.

December Temperature in Wetzlar

In Wetzlar, Germany, the temperatures in December reflect the deepening chill of winter, with minimums dipping to -7°C (20°F) and averaging around 3°C (38°F). As the month unfolds, highs reach a modest 14°C (57°F), offering a slight reprieve from the cold. This period shows a notable trend of steadily decreasing temperatures, following November's cooler range, which presents an intriguing transition as the landscape transforms into a winter wonderland. December embodies the crisp, serene beauty of winter, inviting visitors to enjoy the festive atmosphere while experiencing the charming chill that envelops this historic city.

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

The chart illustrates December temperature patterns in Wetzlar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353842495565666659514238
Data source: Temperature data for Wetzlar 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 Wetzlar

In December, Wetzlar, Germany, experiences a significant increase in precipitation, with a notable 99 mm (3.9 in) of rain falling over the course of the month. This marks a peak compared to the rest of the year, reflecting the transition into winter's wetter conditions. With 17 days of rain, December is the month with the highest frequency of precipitation, underscoring the chilly and often drizzly atmosphere typical of the season. The increased rainfall compared to previous months not only highlights the value of water resources during the colder months but also sets the stage for a lush landscape in the months to come. As temperatures drop, the consistent precipitation serves as a reminder of nature's rhythm in this picturesque German town.

December Precipitation Trends in Wetzlar

The chart displays monthly precipitation patterns in Wetzlar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec665972387772727246584899
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Wetzlar

In Wetzlar, Germany, December ushers in a wave of high humidity, soaring to 92%, aligning with the start of winter. This figure reflects a notable consistency, as humidity levels have remained elevated throughout the colder months, peaking in January at the same 92%. The trend reveals a gradual decline from the more humid summer months, where June and July hover around 74%, allowing the air to feel drier. As the year progresses from the warmer spring months, humidity begins to rise again in autumn, highlighting the seasonal shifts that characterize Wetzlar's climate. By December, the cold is felt alongside this notable moisture, marking the end of the year with a rich, damp atmosphere.

December Average Humidity in Wetzlar

This chart illustrates the average monthly humidity levels in Wetzlar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%83%76%74%74%75%82%88%91%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Wetzlar

In Wetzlar, Germany, the UV index in December drops to a notably low level of 1, indicating minimal risk for sunburn with a burn time of 45 minutes. This trend signals a transition into the colder months where sun exposure becomes less intense. As the year progresses, UV levels peak during the summer months of June and July, reaching a high of 8, before tapering back to lower levels in late autumn and winter. December wraps up the year with a gentle reminder to stay sun-safe, albeit with less urgency compared to the earlier months. To learn more about the UV trends throughout the year, visit Wetzlar UV Index.

Maximum UV Index Levels in Wetzlar for December

The chart shows the monthly maximum UV Index (UVI) for Wetzlar 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.
JanFebMarAprMayJunJulAugSepOctNovDec224578875421
Data source: Wetzlar 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 Wetzlar

December in Wetzlar, Germany, brings a subtle retreat of sunlight as the year draws to a close, contributing 112 hours of daylight. While this marks a notable decrease from the 394 hours basked in during the vibrant month of June, it is consistent with the general trend of dwindling hours as the seasons shift. The year sees its peak in sunshine during the warmer months, particularly from May to July, when daylight exceeds 380 hours, creating an inviting atmosphere for outdoor activities. In contrast, December's limited sunlight is a stark reminder of winter's embrace, yet it also sets the stage for cozy indoor gatherings and festive cheer as the city prepares for the holiday season. This cyclical nature of daylight reflects the seasonal rhythms of life in Wetzlar, highlighting the contrast between the longest and shortest days of the year.

Monthly Sunshine Duration in Wetzlar: December Highlighted

The December sunshine duration represents the total number of hours Wetzlar 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.
JanFebMarAprMayJunJulAugSepOctNovDec101h198h265h343h385h394h412h384h320h236h166h112h
Data source: Wetzlar December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wetzlar During December

As December approaches in Wetzlar, Germany, the likelihood of sunny weather diminishes significantly, with only a 12% chance of sunshine. This trend follows a gradual decline from the brighter months of the year; January starts with a mere 10%, while November sees a slightly hopeful 15%. Interestingly, the sunniest months are clustered in the spring, with March peaking at 42% and April close behind at 41%. This seasonal pattern highlights how Wetzlar's weather shifts, indicating that December is best known for its overcast skies rather than bright, sunny days.

Percentage of Sunny Days in December in Wetzlar

The chart illustrates the percentage of sunny days in Wetzlar 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 Wetzlar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%31%42%41%29%31%30%29%38%25%15%12%
Data source: Wetzlar December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wetzlar in December

In Wetzlar, Germany, the December daylight duration reflects a familiar pattern of seasonal change, with just 8 hours of daylight mirroring the shorter daylight months of November and January. As the year progresses from winter into spring, daylight gradually increases, peaking in June at an impressive 16 hours. The transition from December's gloom to April’s brighter days showcases the natural rhythm of the seasons, where each month brings a gradual shift, allowing residents to enjoy more light as the year unfolds. This cycle not only influences daily life but also highlights the anticipation that comes with the approach of longer, sunnier days as winter comes to a close.

Average Daylight Hours in Wetzlar for December

The chart illustrates the variation in daylight duration in Wetzlar throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 33m10h 3m11h 55m13h 49m15h 29m16h 20m15h 53m14h 24m12h 33m10h 40m8h 58m8h 4m
Data source: Wetzlar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Wetzlar

As December arrives in Wetzlar, Germany, the average wind speed settles at a moderate 2.9 m/s (6 mph), aligning closely with the trends observed throughout the year. This month sees a slight increase from November's 2.5 m/s, reflecting a minor resurgence of wind activity as winter approaches. While summer months like May peaked at 3.4 m/s, the colder months generally exhibit a gradual decrease in wind speeds, with December's conditions resembling those of early fall. This pattern hints at a calmness in the winter air, offering a gentle breeze that complements the serene atmosphere of the season.

Average December Wind Speed in Wetzlar

The chart displays monthly wind speed patterns in Wetzlar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.03.12.83.42.32.52.72.12.92.52.9 m/s
Data source: Wetzlar December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Wetzlar Compares to Other Months

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

December and January showcase distinct yet somewhat comparable weather patterns. In December, temperatures range from a minimum of -7°C (20°F) to a maximum of 14°C (57°F), with an average temperature of 3°C (38°F). The month experiences significant precipitation, totaling 99 mm (3.9 in) over 17 days, accompanied by high humidity at 92%. In contrast, January is slightly colder, with temperatures dipping to a minimum of -11°C (12°F) and a maximum of 12°C (54°F), though the average hovers around 2°C (36°F). Notably, January sees less rainfall, amounting to 66 mm (2.6 in) over 12 days, while maintaining the same level of humidity at 92%. For more detailed information about January weather, visit Wetzlar weather in January.

December and February present distinct weather patterns, despite sharing similar average temperatures. In December, temperatures range from a chilly minimum of -7°C (20°F) to a maximum of 14°C (57°F), accompanied by 99 mm (3.9 in) of precipitation over 17 days and high humidity at 92%. By February, the minimum dips further to -13°C (9°F), yet the maximum rises slightly to 19°C (66°F). February sees a decrease in precipitation to 59 mm (2.3 in) over 11 days, with humidity slightly lower at 90%. This contrast highlights February as a colder month on the lower end, while being slightly drier overall. For more detailed insights about February weather, visit Wetzlar weather in February.

December and March exhibit notable differences in weather patterns. In December, temperatures range from a chilly minimum of -7°C (20°F) to a maximum of 14°C (57°F), with an average of 3°C (38°F). The month sees significant precipitation, totaling 99 mm (3.9 in) over 17 days, and a high humidity level of 92%. In contrast, March experiences slightly colder minimum temperatures at -12°C (11°F), but a warmer average of 6°C (43°F) and a higher maximum of 21°C (71°F). Precipitation decreases to 72 mm (2.8 in) spread over 13 days, with humidity also lower at 87%. For more detailed information, check out Wetzlar weather in March.

In December, temperatures in Wetzlar can dip to a minimum of -7°C (20°F), with an average of 3°C (38°F) and a maximum of 14°C (57°F). The month is characterized by high humidity at 92% and substantial precipitation, totaling 99 mm (3.9 in) over 17 days. In contrast, April offers a shift towards milder weather, with minimum temperatures around -4°C (26°F) and a pleasant average of 9°C (49°F). Daily highs can reach up to 26°C (79°F), and with only 38 mm (1.5 in) of precipitation spread over just 7 days, the humidity drops to a more comfortable 83%. For more details, check out Wetzlar weather in April.

December and May present contrasting weather conditions, indicative of the stark differences between winter and spring. In December, temperatures typically range from a chilly -7°C (20°F) at their lowest to a maximum of 14°C (57°F), with an average of just 3°C (38°F). The month experiences significant precipitation, totaling 99 mm (3.9 in) over approximately 17 days, coupled with high humidity at 92%. In contrast, May offers a much milder climate, with temperatures ranging from a minimum of -1°C (31°F) to a pleasant maximum of 31°C (88°F), averaging around 13°C (56°F). Precipitation decreases to 77 mm (3.0 in) spread over 12 days, and humidity drops to a more comfortable 76%. For more specific details on the weather in May, check this link: Wetzlar weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures can plummet to a minimum of -7°C (20°F), with an average of around 3°C (38°F) and highs reaching 14°C (57°F). This month also sees significant precipitation, totaling 99 mm (3.9 in) over approximately 17 days, and a high humidity level of 92%, creating a consistently chilly and damp atmosphere. In contrast, June offers a much milder climate, with minimum temperatures around 6°C (44°F) and average highs soaring to 33°C (92°F). Rainfall decreases to 72 mm (2.8 in), occurring over 11 days, and humidity settles at a more comfortable 74%. This seasonal shift highlights the transition from winter's cold to summer's warmth. For more information, check Wetzlar weather in June.

December and July present a stark contrast in weather patterns. December features chilly temperatures with a minimum of -7°C (20°F) and an average of 3°C (38°F), while July boasts much warmer conditions, with temperatures ranging from a minimum of 7°C (45°F) to an average of 19°C (66°F) and peaks reaching 37°C (100°F). Precipitation is also more frequent in December, with 99 mm (3.9 in) across 17 days, compared to July's 72 mm (2.8 in) over just 11 days. Additionally, December is marked by high humidity at 92%, while July's humidity is a lower 74%, contributing to a more comfortable summer experience. For more detailed insights, you can visit Wetzlar weather in July.

December and August present contrasting weather experiences. In December, temperatures plummet, with a minimum of -7°C (20°F) and an average of just 3°C (38°F), while August enjoys milder conditions, starting with a minimum of 7°C (45°F) and an average of 19°C (67°F). Precipitation is more frequent in December, occurring over 17 days and totaling 99 mm (3.9 in), compared to 72 mm (2.8 in) over 13 days in August. Additionally, December's humidity peaks at a high 92%, while August is noticeably drier at 75%. For more specific insights, you can explore Wetzlar weather in August.

In December, temperatures in Wetzlar generally range from a chilly -7°C (20°F) at their lowest to a relatively mild maximum of 14°C (57°F), with an average temperature of around 3°C (38°F). The month is marked by significant precipitation, with about 99 mm (3.9 in) falling over 17 days, and high humidity levels averaging 92%.

In contrast, September offers a much warmer climate, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 32°C (90°F) and an average temperature of 15°C (59°F). This month is significantly drier, receiving only 46 mm (1.8 in) of precipitation over 8 days, with humidity levels hovering at 82%.

For more details about September's weather, you can check Wetzlar weather in September.

In December, the weather in Wetzlar is significantly colder than in October, with average temperatures ranging from a chilly -7°C (20°F) at night to a maximum of 14°C (57°F) during the day. In contrast, October boasts milder temperatures, with a minimum of -1°C (31°F) and an average high of 25°C (78°F). Precipitation also increases in December, accumulating 99 mm (3.9 in) over 17 days, compared to October's 58 mm (2.3 in) over just 12 days. Additionally, humidity levels are slightly higher in December at 92%, compared to October's 88%. For more detailed insights on October weather specifically, you can check out Wetzlar weather in October.

In comparing the weather of December and November, December tends to be colder and wetter. The average temperature in December hovers around 3°C (38°F), with a minimum of -7°C (20°F) and a maximum of 14°C (57°F), while November features a warmer average of 5°C (42°F), with temperatures ranging from -4°C (25°F) to 20°C (68°F). Additionally, December sees significantly higher precipitation at 99 mm (3.9 in) over 17 days, compared to November’s 48 mm (1.9 in) over 12 days. Humidity levels slightly increase in December, reaching 92%, contrasting with November's 90%. For more details on November weather, visit Wetzlar weather in November.

Compare Wetzlar's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Wetzlar

As December unfolds in Wetzlar, the weather reveals a noteworthy shift compared to the milder months that precede it. Temperatures drop significantly, with chilly averages hovering around 3°C, and nighttime lows occasionally plunging to -7°C. This month is also marked by increased precipitation, totaling around 99 mm across approximately 17 days, leading to a rather humid atmosphere with levels reaching a damp 92%. The combination of colder air and frequent rain creates a cozy yet brisk ambiance, signaling the arrival of winter. For those keen to learn more about the seasonal climate dynamics, explore Wetzlar Climate for further insights.