January Weather in Dahlem, Germany

Last updated: February 26, 2025

In Dahlem, Germany, January manifests as a month of stark contrasts, with temperatures fluctuating from a brisk -10°C (14°F) to a mild 14°C (57°F), averaging around 3°C (38°F). As winter sets in, the region experiences a significant humidity level of 91%, contributing to the chilly atmosphere. This month sees 57 mm (2.2 in) of precipitation over 12 days, painting a picture of a damp yet invigorating landscape. Whether you are preparing for frosty adventures or simply cozying up indoors, January in Dahlem offers a vibrant, if crisp, winter experience.

January Temperature in Dahlem

In January, Dahlem, Germany experiences a crisp winter climate, with temperatures often dipping to a chilly minimum of -10°C (14°F). The average temperature hovers around a cool 3°C (38°F), providing a stark contrast to the milder days ahead. Daytime highs can reach a pleasant 14°C (57°F), hinting at the gradual warming trend that will emerge in the following months. This month marks the peak of winter's chill, as February presents even lower minimums, reaching -15°C (6°F). However, January sets a foundation for the transition into spring, as temperatures continue to rise steadily, showcasing the dynamic shifts in Dahlem's seasonal weather patterns.

January Weather in Dahlem: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Dahlem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec373841485665656659524439
Data source: Temperature data for Dahlem 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.

January Precipitation in Dahlem

In January, Dahlem, Germany, experiences a noteworthy average precipitation of 57 mm (2.2 in), spread over approximately 12 days of wet weather. This marks the beginning of the year with a mild influx of rain, setting the tone for the upcoming months. The precipitation amount slightly dips in February and varies throughout the spring, with March peaking at 60 mm (2.4 in), while April sees a decrease to 41 mm (1.6 in). Notably, the transition into summer brings a gradual rise in rainfall, culminating in the highest monthly total of 88 mm (3.5 in) in July. This pattern indicates a shift to wetter conditions during the warmer months, followed by a mix of dry and rainy days as the year progresses into autumn, with October boasting 65 mm (2.6 in) over 14 days. Overall, January’s precipitation is a harbinger of the changing seasons, reflecting Dahlem's diverse climatic tapestry throughout the year.

January Precipitation Trends in Dahlem

The chart displays monthly precipitation patterns in Dahlem, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec574660426467886952654661
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Dahlem

In Dahlem, Germany, January experiences a notably high humidity level of 91%, making it one of the most humid months of the year. This peak is part of a broader trend, as humidity levels gradually decline after the New Year, dipping to 89% in February and further to 87% by March. As spring approaches, humidity continues to decrease, reaching its lowest point of 75% in August. However, as the year transitions back into fall and winter, humidity begins to rise again, culminating in a significant 92% in December. This cyclical pattern indicates that residents can expect a moist start to the year followed by a drier summer, only to return to a damp atmosphere by year's end.

January Average Humidity in Dahlem

This chart illustrates the average monthly humidity levels in Dahlem, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%83%78%77%77%75%82%86%90%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Dahlem

In January, Dahlem, Germany, experiences a low UV Index of 1, making it a relatively safe time for outdoor activities with a burn time of 45 minutes. As the months progress, the UV Index gradually increases, peaking at 8 in June during summer, which shifts the exposure category to very high and reduces burn time significantly to 15 minutes. The trend indicates a clear escalation in UV exposure as the seasons change, with a return to lower levels in the autumn and winter months, where the UV Index dips back to 1 in December. This pattern highlights the importance of adapting sun protection habits throughout the year. For more detailed information, visit Dahlem UV Index.

Maximum UV Index Levels in Dahlem for January

The chart shows the monthly maximum UV Index (UVI) for Dahlem in January, 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578775321
Data source: Dahlem January 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.

January Sunshine in Dahlem

In the heart of winter, Dahlem, Germany experiences its least sun, with January basking in just 97 hours of daylight. However, as the year progresses, sunshine becomes increasingly abundant, peaking in the summer months. By July, the sun graces the area for 404 hours, a stark contrast to the dimmest days of January. This upward trend continues into August, though it slightly declines thereafter, ushering in a golden fall characterized by 306 hours in September and tapering down to 105 hours by December. Overall, the data highlights a clear evolution from winter's shadows to the vibrant, sunlit days of summer, which invite both vitality and warmth to the enchanting Dahlem landscape.

Monthly Sunshine Duration in Dahlem: January Highlighted

The January sunshine duration represents the total number of hours Dahlem experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec97h179h255h344h385h403h404h380h306h248h148h105h
Data source: Dahlem January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dahlem During January

In January, Dahlem, Germany, experiences a modest 13% chance of sunny weather, marking it as one of the cloudier months of the year. As winter unfolds, the likelihood of sunshine gradually improves, with February seeing a 23% chance, followed by a notable increase in March at 34%. This upward trend continues into spring, with April peaking at 39%, suggesting that while January may lack in sunny days, a more cheerful outlook is on the horizon. As each spring month approaches, the chances of sunshine notably rise, creating a friendly transition from the winter gloom into the warmer, brighter days ahead.

Percentage of Sunny Days in January in Dahlem

The chart illustrates the percentage of sunny days in Dahlem throughout the year, with January 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 Dahlem experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%23%34%39%28%35%32%30%28%31%14%17%
Data source: Dahlem January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dahlem in January

In Dahlem, Germany, the daylight duration undergoes a captivating transformation throughout the year, beginning with a modest 8 hours in January. As winter gives way to spring, daylight gradually increases, peaking at an impressive 16 hours during the summer months of June and July. This surge in brightness invigorates the region, creating a vibrant atmosphere. However, the daylight begins to wane again after August, as the days shorten, dropping back to 8 hours in November and a mere 7 hours by December. This cyclical pattern highlights the rhythm of life in Dahlem, where each season brings its own unique blend of light and shadow.

Average Daylight Hours in Dahlem for January

The chart illustrates the variation in daylight duration in Dahlem throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 9m9h 50m11h 54m14h 1m15h 52m16h 51m16h 20m14h 39m12h 37m10h 31m8h 37m7h 36m
Data source: Dahlem daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Dahlem

In Dahlem, Germany, January greets the year with a steady average wind speed of 3.7 m/s (8 mph), matching the winds of both April and May. This consistent breeze sets the tone for winter, as it remains relatively stable throughout the colder months, peaking slightly in October at 3.9 m/s (9 mph). Interestingly, the summer months experience a dip, with June the calmest at 2.6 m/s (6 mph). However, as seasons transition back into autumn, the winds regain momentum, creating a rhythmic ebb and flow that characterizes the region's climate. Overall, January's gentle yet persistent winds reflect a broader seasonal pattern that merges tranquility with subtle dynamism.

Average January Wind Speed in Dahlem

The chart displays monthly wind speed patterns in Dahlem, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.7 m/s3.53.63.73.72.63.03.43.03.93.63.7
Data source: Dahlem January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Dahlem Compares to Other Months

The weather in Dahlem changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Dahlem and find detailed weather information for every month.

In January, temperatures range from a chilly minimum of -10°C (14°F) to a maximum of 14°C (57°F), with an average temperature of 3°C (38°F). The month experiences 57 mm (2.2 inches) of precipitation over 12 days, coupled with high humidity at 91%. Conversely, February shows a slight drop in minimum temperatures to -15°C (6°F) while the maximum rises to 18°C (65°F), maintaining the same average temperature of 3°C (38°F). Precipitation decreases to 46 mm (1.8 inches) over 10 days, and humidity is marginally lower at 89%. For a detailed look at February weather in Dahlem, visit Dahlem weather in February.

In January, the weather is characterized by colder temperatures, with a minimum of -10°C (14°F) and an average of 3°C (38°F), while March experiences slightly milder conditions with a minimum of -15°C (4°F) and an average of 5°C (42°F). Interestingly, March has a maximum temperature that can reach 21°C (70°F), making it feel significantly warmer compared to January's peak of 14°C (57°F). Both months receive similar amounts of precipitation, with January recording 57 mm (2.2 in) over approximately 12 days and March slightly higher at 60 mm (2.4 in) over around 13 days. Humidity levels are also quite close, with January at 91% and March at 87%. For more detailed information about March weather, you can check Dahlem weather in March.

In January, the weather is quite cold, with minimum temperatures plunging to -10°C (14°F) and an average temperature of around 3°C (38°F). The month experiences significant precipitation of 57 mm (2.2 in) over 12 days, coupled with high humidity levels at 91%. In contrast, April marks a transition to milder conditions, seeing minimums of -3°C (28°F) and an average temperature of 9°C (48°F). Maximum temperatures can reach up to 27°C (82°F), with reduced precipitation at 41 mm (1.6 in) over just 10 days, and slightly lower humidity at 83%. For a deeper look into April weather, visit Dahlem weather in April.

The weather in January contrasts significantly with that of May. January experiences colder temperatures, with minimums dipping as low as -10°C (14°F) and an average of just 3°C (38°F), while May sees milder conditions, where temperatures range from a minimum of -1°C (31°F) to an average of 13°C (56°F) and can peak at a warm 31°C (88°F). Both months receive a similar amount of precipitation, with January averaging 57 mm (2.2 in) and May slightly higher at 64 mm (2.5 in), each experiencing about 12 days of rain. However, humidity levels are notably different; January has a higher humidity of 91%, while May's humidity is more moderate at 78%. For more details about the weather in May, you can check out Dahlem weather in May.

In January, temperatures can drop significantly, with a minimum of -10°C (14°F) and an average temperature around 3°C (38°F), which is quite chilly compared to June, where the minimum is a more moderate 6°C (43°F) and the average climbs to a comfortable 19°C (66°F). January also sees a higher humidity level at 91%, contributing to its colder feel, while June enjoys a lower humidity of 77%, making the warmer temperatures more pleasant. Although January experiences 57 mm (2.2 in) of precipitation over 12 days, June is slightly wetter with 67 mm (2.6 in) but over only 9 days, indicating the potential for more concentrated rain showers. For a detailed look at the weather in June, you can visit Dahlem weather in June.

In January, the weather is characterized by chilly temperatures, with a minimum of -10°C (14°F) and an average of 3°C (38°F), often accompanied by high humidity levels at 91%. The month experiences around 57 mm (2.2 in) of precipitation over approximately 12 days, adding to the wintry atmosphere. In contrast, July brings a significant increase in warmth, showcasing a minimum temperature of 8°C (46°F) and an average of 19°C (66°F), peaking at a scorching 36°C (97°F). Although July has slightly more precipitation at 88 mm (3.5 in) over about 11 days, the humidity drops to 77%, making the summer days feel much more pleasant. For more detailed information, you can check out the weather trends of the region in July here: Dahlem weather in July.

January and August present strikingly different weather patterns. In January, temperatures can plummet to a minimum of -10°C (14°F), averaging around a chilly 3°C (38°F) and peaking at 14°C (57°F). This month experiences about 57 mm (2.2 in) of precipitation over 12 days, coupled with high humidity levels at 91%, creating a damp and cold environment. In contrast, August enjoys a much milder climate, with minimum temperatures of 7°C (45°F) and an average of 19°C (66°F), soaring up to a maximum of 36°C (96°F). Though it receives slightly more precipitation at 69 mm (2.7 in) over the same number of rainy days, the humidity decreases to a more comfortable 75%. For a closer look at this summer month, check out Dahlem weather in August.

In January, temperatures can plunge as low as -10°C (14°F), with an average hovering around 3°C (38°F) and peaking at a mild 14°C (57°F). The month is marked by significant precipitation of 57 mm (2.2 in) spread over 12 days, creating a humid environment with a humidity level of 91%. In contrast, September brings a more temperate climate, with minimum temperatures at 2°C (37°F) and an average of 15°C (59°F), reaching highs of 31°C (88°F). The total precipitation is slightly less at 52 mm (2.0 in) over 9 days, and humidity drops to 82%. For more insights into the September weather in Dahlem, check out Dahlem weather in September.

January weather is characterized by colder temperatures, with a minimum of -10°C (14°F) and an average of just 3°C (38°F). In contrast, October sees milder conditions, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 27°C (81°F) and an average of 11°C (53°F). While both months experience precipitation, January has slightly less at 57 mm (2.2 in) over 12 days, compared to October's 65 mm (2.6 in) across 14 days. Additionally, January's humidity is higher at 91%, compared to October's 86%. For more details, you can refer to Dahlem weather in October.

In comparing the weather between January and November, January tends to be significantly colder, with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 14°C (57°F), while November sees milder temperatures, with a minimum of -4°C (25°F) and a maximum of 20°C (67°F). Additionally, January experiences slightly more precipitation, averaging 57 mm (2.2 in) over 12 days, compared to November's 46 mm (1.8 in) across 11 days. Humidity levels are also high in both months, with January at 91% and November at 89%. For a closer look at the weather specifics for November, you can visit Dahlem weather in November.

When comparing the weather in January and December, both months experience chilly temperatures, but January tends to be slightly milder. In January, temperatures range from a minimum of -10°C (14°F) to a maximum of 14°C (57°F), with an average temperature of 3°C (38°F). In contrast, December sees slightly lower temperatures, with a minimum of -12°C (11°F) and an average of 4°C (39°F), peaking at 13°C (55°F). Additionally, January has 57 mm (2.2 in) of precipitation over about 12 days, while December experiences slightly more precipitation at 61 mm (2.4 in) across 14 days. Humidity levels are quite similar, with January at 91% and December at 92%. For more detailed insights, you can explore Dahlem weather in December.

Compare Dahlem's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Dahlem

In January, Dahlem experiences a significant chill compared to the milder months that precede and follow it. The average temperatures hover around 3°C, dipping as low as -10°C, creating a stark contrast to the more temperate seasons. Meanwhile, the high humidity of 91% paired with frequent precipitation—averaging 57 mm over 12 days—creates a damp and brisk atmosphere that is quite distinctive. As you plan your winter activities, understanding this unique January climate can enhance your experience in Dahlem. For further insights, check out Dahlem Climate.