Last updated: February 26, 2025
January in Aachen, Germany is marked by a chilly climate, where temperatures fluctuate between a maximum of 13°C (56°F) and a minimum of -8°C (17°F), averaging around 3°C (37°F). The month experiences significant precipitation, with a total of 79 mm (3.1 in) spread across 14 days, resulting in a damp atmosphere characterized by high humidity levels of 91%. Visitors should prepare for a blend of cold days and occasional rainfall, making it essential to dress warmly and plan indoor activities as they explore this historic city.
In Aachen, Germany, January temperatures present a brisk contrast as the city transitions into the winter season. With a cold minimum of -8°C (17°F) and an average hovering around 3°C (37°F), residents can expect a range that culminates in a maximum of 13°C (56°F). This chilly month sets the stage for the gradual warming that follows, as February and March see even lower lows, though average temperatures steadily rise, hinting at the impending spring. The fluctuation from the biting cold to mildly cool days reflects a clear trend of increasing warmth as the year progresses, making January a significant marker in Aachen's climatic rhythm. Embracing layers and cozy gatherings becomes essential as the city endures this frosty embrace, paving the way for the vibrant blooms of spring.
January in Aachen, Germany, brings an average precipitation of 79 mm (3.1 in) over approximately 14 days, making it a relatively wet start to the year. This sets the tone for a winter month that typically transitions into milder seasons. Notably, January's precipitation is slightly higher than February's average of 78 mm but is overshadowed by the subsequent months like March and June, which tend to see increased rainfall. As the year progresses, the number of days that experience precipitation tends to fluctuate, with December showing the highest at 20 days. This pattern suggests that while January is part of a wetter winter period, it heralds a gradual shift toward drier months, particularly in April, which records just 40 mm over 10 days. Overall, January serves as a critical precursor to the changing weather dynamics in Aachen, highlighting the city's variable precipitation trend throughout the year.
January in Aachen, Germany, is characterized by its notably high humidity, reaching 91%, making it one of the dampest months of the year. Following closely, February maintains a similar level at 90%, while humidity begins to gradually decline through the spring months, touching 87% in March and dropping further to 84% in April. As summer approaches, humidity continues to decrease, with July and August favoring lower levels around 72% and 71%, respectively. However, this shift to drier conditions is short-lived, as September sees a jump to 81%, indicating a return to the wetter climate as autumn sets in. The closing months of the year bring back the moisture, with humidity surging again to 91% in November and peaking at 92% in December. This cyclical pattern highlights Aachen's transition from the chill of winter to the moderate warmth of summer, illustrating the region's distinctive climatic rhythm.
In January, Aachen experiences a low UV Index of 1, indicating minimal risk of harm from unprotected sun exposure, with a burn time of 45 minutes. This trend of low UV levels continues into February, maintaining the same index and burn time. As spring approaches, the UV Index rises notably in March, reaching 4 (moderate exposure) and a reduced burn time of 30 minutes. April follows suit with similar values, establishing a pattern of increasing intensity. As summer approaches in May and June, we see a dramatic leap to 7 and 8, respectively, indicating high to very high exposure with significantly shorter burn times. This upward trajectory continues through July, before tapering off in August and moving back to moderate levels as autumn arrives in September and October. The year then concludes with a return to low UV exposure in November and December. For more detailed insights into Aachen's UV trends, visit Aachen UV Index.
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In Aachen, Germany, January begins with a modest 119 hours of sunshine, setting the stage for a gradual increase as winter gives way to spring. By February, the sun starts to shine a bit brighter with 205 hours, hinting at the promise of longer days ahead. As March rolls in, sunlight surges to 269 hours, paving the way for a vibrant April with 341 hours of warmth and light. The trend continues, peaking in the heart of summer with 408 hours in July, showcasing Aachen's sunniest month. As the seasons shift, sunlight begins to wane, dropping to 316 hours in September, before settling into a softer glow with 188 hours in November and 133 hours in December. This cyclical pattern paints a vivid portrait of the changing seasons, where each month brings its own unique embrace of sunshine.
In Aachen, Germany, January is typically one of the gloomiest months for sunshine lovers, boasting a mere 8% chance of sunny days. This figure starkly contrasts with the following month, February, where the likelihood of sunshine more than triples to 31%. As spring approaches, the chance of sun continues its upward trend, reaching 40% in March and peaking at 41% in April. This increase hints at a seasonal shift that brings more light and warmth after the chilling depths of winter. Overall, the pattern illustrates a gradual rise in sunny days as the year progresses, making January a time for cozy indoors rather than sun-soaked outings.
In Aachen, Germany, January's daylight lasts a modest 8 hours, setting the stage for the gradual return of light as the year progresses. By February, daylight extends to 10 hours, and as spring approaches, March brings 11 hours of sunshine. This upward trend accelerates through April and May, where daylight reaches 13 and 15 hours, respectively, heralding the vibrant blooms of spring. The longest days occur in June with 16 hours of daylight, providing ample time for outdoor adventures. However, as summer wanes, daylight begins to taper off, with July and August providing 15 and 14 hours of sun, before the gradual shift back to shorter days begins in September. By October, daylight diminishes to 10 hours, and both November and December close the year with returning 8 hours of daylight, reminding us of the cyclical nature of the seasons in Aachen.
In Aachen, Germany, January kicks off the year with an average wind speed of 4.4 m/s (10 mph), which sets a brisk tone that echoes through the winter months. As the seasons shift, February sees a slight increase, maintaining a consistent pace at 4.5 m/s (10 mph). However, the winds mellow in March, dropping to 4.0 m/s (9 mph), before reaching their calmest in June at 2.6 m/s (6 mph). This gentle breeze contrasts with October's resurgence, where the wind returns to a lively 4.4 m/s (10 mph), reminiscent of January’s refreshing gusts. Overall, the winter months in Aachen are characterized by moderate winds that begin to wane in the spring and summer, only to pick up again as autumn arrives.
The weather in Aachen 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 Aachen and find detailed weather information for every month.
January and February exhibit distinct weather patterns, with February generally being a bit milder despite experiencing lower minimum temperatures. In January, the temperatures range from a chilly -8°C (17°F) to a maximum of 13°C (56°F), with an average of 3°C (37°F) and high humidity at 91%. In contrast, February sees temperatures dropping even further, with a minimum of -10°C (14°F), but it boasts an average of 5°C (40°F) and can reach a pleasant maximum of 21°C (69°F). Both months receive similar precipitation levels, with January recording 79 mm over 14 days and February slightly lower at 78 mm over 12 days. For more detailed information, you can check Aachen weather in February.
In January, temperatures in Aachen typically range from a chilly -8°C (17°F) to a mild 13°C (56°F), with an average of around 3°C (37°F). The month experiences significant precipitation, totaling 79 mm (3.1 in) over approximately 14 days, alongside high humidity at 91%. In contrast, March brings a more varied climate, with temperatures dropping slightly lower at a minimum of -10°C (14°F) but peaking at a much warmer 23°C (73°F), leading to an average of about 7°C (44°F). March sees a slight increase in precipitation to 87 mm (3.4 in) over 15 days, while humidity decreases modestly to 87%. For more detailed information, visit Aachen weather in March.
January and April present a stark contrast in weather patterns. In January, temperatures can plummet to a minimum of -8°C (17°F), with an average of just 3°C (37°F) and a high of 13°C (56°F). The month features considerable precipitation, totaling 79 mm (3.1 in) over 14 days, and a high humidity level of 91%. In contrast, April brings milder conditions, with average temperatures rising to a minimum of -3°C (26°F), an average of 9°C (49°F), and a maximum of 27°C (81°F). Additionally, April sees less rainfall, with only 40 mm (1.6 in) over 10 days and a drop in humidity to 84%. For more details on the specific weather conditions during this month, you can check Aachen weather in April.
In January, temperatures in the region can be quite chilly, with minimums reaching -8°C (17°F) and an average of just 3°C (37°F). The month typically experiences 79 mm (3.1 in) of precipitation over about 14 days, coupled with high humidity at 91%. In stark contrast, May brings a significant warming trend, with minimum temperatures rising to 0°C (32°F) and an average of 13°C (56°F), peaking at a much warmer 31°C (89°F). Although May sees slightly less precipitation at 74 mm (2.9 in) over 13 days, the humidity drops to a more comfortable 77%. For a closer look at what to expect, check out Aachen weather in May.
In January, the weather is notably colder, with temperatures ranging from a low of -8°C (17°F) to a maximum of 13°C (56°F) and an average of around 3°C (37°F). The month sees significant precipitation of 79 mm (3.1 in) over 14 days and high humidity levels at 91%, creating a chilly and damp atmosphere. In contrast, June offers a much warmer climate, with temperatures ranging from a minimum of 7°C (44°F) to a scorching maximum of 33°C (92°F) and an average of 18°C (64°F). Although June experiences slightly higher precipitation at 88 mm (3.4 in) over 12 days, the humidity is considerably lower at 74%, resulting in a more comfortable summer feel. For more details, check out Aachen weather in June.
In January, the weather is characterized by cold temperatures, ranging from a minimum of -8°C (17°F) to a maximum of 13°C (56°F), with an average temperature of around 3°C (37°F). The month is typically humid, with high humidity at 91%, and experiences precipitation on 14 days, totaling 79 mm (3.1 in).
In contrast, July brings warm and much milder conditions, with temperatures soaring from a minimum of 8°C (46°F) to a scorching maximum of 40°C (104°F), and an average temperature of 19°C (66°F). While July also sees some precipitation, the total is slightly higher at 94 mm (3.7 in), spread over 13 days, but the humidity drops to a more comfortable 72%. For more details, you can check out Aachen weather in July.
In January, the weather in Aachen tends to be cold, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 13°C (56°F), averaging around 3°C (37°F). The month experiences significant humidity at 91%, with precipitation spread over about 14 days, totaling 79 mm (3.1 in). In contrast, August brings much warmer conditions, with temperatures varying from a minimum of 7°C (45°F) to a peak of 35°C (96°F), averaging 19°C (66°F). Although precipitation is similar at 78 mm (3.1 in), it occurs over a slightly longer duration of 16 days, resulting in a drop in humidity to 71%. For more details on summer weather in the region, check out Aachen weather in August.
In January, the weather is notably colder with temperatures ranging from a frigid -8°C (17°F) to a mild 13°C (56°F), averaging around 3°C (37°F). This month sees significant precipitation, totaling 79 mm (3.1 in) over about 14 days, and humidity levels are high at 91%. In contrast, September enjoys a more temperate climate, with minimum temperatures of 2°C (36°F) and maximums soaring up to 32°C (91°F), resulting in an average of 15°C (59°F). Rainfall is less frequent in September, accumulating to 64 mm (2.5 in) across 10 days, and humidity is slightly lower at 81%. For more detailed information on September weather, you can check Aachen weather in September.
In January, the weather is quite cold, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 13°C (56°F), and an average of only 3°C (37°F). This month typically sees 79 mm (3.1 in) of precipitation over about 14 days, coupled with high humidity at 91%. In contrast, October offers much milder conditions, with temperatures ranging from a minimum of 1°C (34°F) to a pleasant maximum of 25°C (78°F), and an average of 11°C (53°F). The precipitation levels are similar, at 82 mm (3.2 in) across the same number of rainy days, but humidity is slightly lower at 88%. For a detailed look at the weather patterns during October, you can visit Aachen weather in October.
In comparing the weather between January and November, January tends to be colder with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 13°C (56°F), while November experiences milder temperatures with a minimum of -5°C (24°F) and a maximum of 18°C (66°F). Although both months have high humidity levels at 91%, January sees more precipitation, with 79 mm (3.1 in) over 14 days, compared to November's 59 mm (2.3 in) over 11 days. For more detailed insights, you can check out Aachen weather in November.
In January, temperatures range from a minimum of -8°C (17°F) to a maximum of 13°C (56°F), with an average of 3°C (37°F). The month sees about 79 mm (3.1 in) of precipitation over approximately 14 days, and humidity levels remain high at 91%. In contrast, December experiences slightly milder conditions, with temperatures ranging from -5°C (24°F) to 15°C (59°F) and an average of 5°C (41°F). Precipitation is also higher in December at 112 mm (4.4 in), spread across 20 days, and humidity levels are marginally higher at 92%. For a closer look at December's weather specifics, you can check Aachen weather in December.
January in Aachen is characterized by a stark contrast to the milder months that precede and follow it. The chill of winter wraps the city, with temperatures often dipping significantly, while the likelihood of precipitation increases, creating a scene more typical of the cold season. With an average humidity hovering around 91%, the air feels damp and crisp, a reminder that winter is in full swing. Unlike other months when the weather may invite outdoor adventures, January tends to keep residents and visitors cozy indoors. For more detailed insights into Aachen's yearly climate patterns, check out Aachen Climate.