Last updated: February 26, 2025
Ulm, Germany, in January presents a chilly yet captivating climate, with average temperatures hovering around 0°C (33°F) and a maximum reach of 13°C (56°F) on milder days. The month can also bring significant cold, with minimum temperatures plummeting to -15°C (5°F). Rain is not uncommon, as 67 mm (2.6 in) of precipitation falls over approximately 11 days, contributing to a high humidity level of 91%. This blend of crisp air and moisture creates an intriguing atmosphere, perfect for those who appreciate the beauty of winter in a historic city like Ulm.
In Ulm, Germany, January is characterized by a deep winter chill, with temperatures ranging from a biting minimum of -15°C (5°F) to a more moderate maximum of 13°C (56°F). The average temperature hovers around 0°C (33°F), highlighting the stark contrast between the colder nights and milder sunny days. As the month progresses, a slight warming trend can be observed, with the average temperature gradually rising from January’s low to February's average of 2°C (37°F). This transition hints at the approaching spring, where temperatures will steadily increase, moving from the depths of winter to more pleasant conditions, as reflected in the months ahead. Overall, January serves as a crisp reminder of winter's intensity before the gradual thaw begins.
January in Ulm, Germany, welcomes the new year with an average precipitation of 67 mm (2.6 in) over approximately 11 days. This sets a steady tone that continues into February, which sees a slight dip in precipitation, with 66 mm (2.6 in) accumulating during the same number of rainy days. As winter transitions to spring, March introduces a slight increase, capturing 68 mm (2.7 in) across 13 days, indicating a gradual rise in moisture as the seasons shift. Notably, February and March maintain a relatively consistent pattern, showcasing Ulm's characteristic damp winter, though April's arrival brings a welcome decrease to 42 mm (1.7 in) over just 9 days. This trend hints at a gradual drying out as spring unfolds, leading to much wetter months ahead like May, which jumps to 106 mm (4.2 in), embodying the vibrant growth of early summer.
In January, Ulm, Germany, experiences a significant humidity level of 91%, setting the tone for the winter months. This dampness, coupled with January's chill, often creates a rather dreary atmosphere. As the year progresses into February and March, humidity begins to slightly ease, dropping to 89% and 87% respectively. This trend continues through the spring, with April seeing a relative decrease to 83%. However, as summer approaches, humidity levels stabilize around the 82-84% range from June to August, suggesting a moderate but consistent moisture presence. By fall, humidity starts to creep back up, reaching 88% in October and returning to 89% in November before settling back at 91% by December. This cyclical pattern illustrates how Ulm's humidity tends to peak at both the beginning and end of the year, while exhibiting a gradual decline during the transitional seasonal months.
In January, Ulm, Germany, experiences a UV Index of 2, indicating a low risk of harm from unprotected sun exposure, with a burn time of approximately 45 minutes. As the months progress, the UV Index gradually increases, reaching moderate levels in February and March before climbing to high levels in April. The early summer months of May through August mark a peak, where the UV Index reaches an impressive 9, classifying it as very high and reducing the safe exposure time to just 15 minutes. As autumn approaches, the UV Index starts to decline again, dropping to 4 in October and returning to a low level by November and December. This clear seasonal trend highlights how UV exposure shifts throughout the year in Ulm, prompting residents and visitors to stay mindful of their sun protection habits. For more details, visit Ulm UV Index.
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In Ulm, Germany, January typically ushers in a modest 139 hours of sunshine, laying the groundwork for a gradual ascent in brightness as the year unfolds. By February, sunshine hours more than double, climbing to 218 hours, and this upward trend continues through the spring months. March enjoys a further increase to 289 hours, while April and May see a vibrant splurge of light with 347 and 372 hours respectively. As summer approaches, Ulm basks in its sunniest month of July, totaling 414 hours. However, as autumn sets in, a gentle decline begins; August still retains a plentiful 380 hours but falls short of summer's peak. This downward trajectory continues through the later months, culminating in December's chilly 161 hours. Overall, the year showcases a rhythmic cycle of sunlight, from winter's subdued glow to summer's exuberant brightness, inviting both residents and visitors to appreciate Ulm’s unique seasonal character.
In Ulm, Germany, January tends to be one of the gloomier months, with only an 11% chance of sunny weather. This low likelihood starkly contrasts with the rise in sunshine that begins in February, when the chance increases to 37%, and continues climbing through the spring months, reaching up to 42% in April. As we move from the cold of winter into the warmth of early summer, the sun’s appearance becomes more frequent, particularly in September, where the chances peak at 46%. Notably, the gradual trend of increasing sunlight is a breath of fresh air for those eager to shake off winter's gloom, suggesting that while January may be grey, brighter days are just around the corner.
In Ulm, Germany, the January daylight duration begins at a modest 8 hours, setting the stage for a gradual increase as the year unfolds. By February, the days lengthen to 10 hours, signaling the approach of spring. This upward trend continues, with daylight reaching 11 hours in March and blossoming into 13 hours by April. The peak of sunlight occurs in June, where residents bask in an impressive 16 hours of daylight. As summer wanes, however, daylight gradually declines, with July still enjoying 15 hours, but tapering off to 14 hours in August and further to 12 hours in September. October sees a quick drop back to 10 hours, as winter looms in the distance, eventually settling into the darker months of November and December, which return to 9 and 8 hours of daylight, respectively. This rhythmic cycle highlights the remarkable shift in Ulm's daylight, reflecting the changing seasons and their influence on daily life.
In Ulm, Germany, January ushers in a breezy start to the year, with an average wind speed of 3.4 m/s (8 mph), making it one of the windiest months. This prominent gustiness sets a stark contrast to the calmer days of summer, where wind speeds dwindle to around 2.3 m/s (5 mph) in July and August. As winter tapers off into spring, the wind remains relatively brisk through February and March, both recording an average of 3.0 m/s (7 mph). However, by April, the winds begin to soften, hitting a low of 2.7 m/s (6 mph) before picking up again in May. Overall, while January stands out for its lively winds, it marks the beginning of a shifting pattern, transitioning to a notably more tranquil atmosphere as the seasons progress.
The weather in Ulm 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 Ulm and find detailed weather information for every month.
In January, temperatures range from a chilly minimum of -15°C (5°F) to a mild maximum of 13°C (56°F), averaging around 0°C (33°F). Despite a slightly higher humidity of 91%, January experiences similar precipitation levels to February, with 67 mm (2.6 in) spread over 11 days. In contrast, February sees even colder minimum temperatures dropping to -18°C (-1°F), but the average warms slightly to 2°C (37°F), while the maximum can reach 18°C (65°F). The month also boasts a similar precipitation of 66 mm (2.6 in), maintaining the rhythm of 11 rainy days, but with a slightly lower humidity of 89%. For a more detailed look at February weather, check out Ulm weather in February.
January and March show notable differences in weather patterns. January's average temperature hovers around 0°C (33°F), with a minimum of -15°C (5°F) and a maximum of 13°C (56°F), while March sees a rise in the average to 5°C (41°F), with temperatures ranging from -16°C (3°F) to a warmer 21°C (70°F). Precipitation levels are quite similar, with January receiving 67 mm (2.6 in) over 11 days and March slightly edging higher at 68 mm (2.7 in) across 13 days. Additionally, January has a higher humidity level of 91%, compared to March's 87%. For more detailed information on March weather, visit Ulm weather in March.
January and April present contrasting weather patterns. In January, temperatures can plunge as low as -15°C (5°F), with an average around 0°C (33°F) and occasional highs reaching 13°C (56°F). This month also sees considerable precipitation, totaling 67 mm (2.6 in) over 11 days, accompanied by a high humidity level of 91%. In contrast, April experiences milder conditions, with minimum temperatures around -6°C (21°F) and an average of 9°C (48°F), peaking at 26°C (79°F). Precipitation decreases to 42 mm (1.7 in) over 9 days, and humidity levels drop to 83%. These changes signal a welcome transition towards spring. For more details, check Ulm weather in April.
In January, Ulm experiences chilly weather, with temperatures ranging from a frigid -15°C (5°F) to a maximum of 13°C (56°F), resulting in an average temperature of around 0°C (33°F). The month sees a substantial amount of precipitation at 67 mm (2.6 in) over 11 days, accompanied by high humidity levels at 91%. In contrast, May brings a much warmer climate, with temperatures ranging from a minimum of -2°C (29°F) to a balmy maximum of 29°C (85°F) and an average temperature of 12°C (54°F). Although precipitation increases to 106 mm (4.2 in) across 16 days, the humidity decreases to 79%, making May feel significantly more comfortable. For a deeper dive into the weather specifics, check out Ulm weather in May.
In January, the weather is characterized by cold temperatures, with minimums plunging to -15°C (5°F) and an average around 0°C (33°F). The month experiences about 67 mm (2.6 in) of precipitation over 11 days, coupled with high humidity levels at 91%. In contrast, June brings a warmer climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 33°C (92°F) and an average of 17°C (64°F). This month sees increased rainfall of 124 mm (4.9 in) over 14 days, and while the humidity decreases to 82%, it still contributes to a muggy atmosphere. For a more detailed look at June weather, you can visit Ulm weather in June.
January and July present stark contrasts in weather. During January, temperatures can plummet to a minimum of -15°C (5°F), with an average around 0°C (33°F) and a maximum of 13°C (56°F). The precipitation level is relatively low at 67 mm (2.6 in) over 11 days, coupled with a high humidity of 91%, creating a chilly and damp atmosphere. In contrast, July boasts a more temperate climate, with minimum temperatures at 6°C (44°F), an average of 18°C (65°F), and a maximum soaring to 34°C (94°F). The month sees slightly more precipitation at 89 mm (3.5 in) over 13 days, but the humidity is lower at 83%, contributing to a warm and more comfortable feel. For more details, you can check the Ulm weather in July.
January and August present a stark contrast in weather conditions. In January, temperatures can plunge as low as -15°C (5°F) and peak at 13°C (56°F), with a chilly average of around 0°C (33°F). The month typically experiences high humidity at 91% and sees 67 mm (2.6 in) of precipitation over 11 days. In contrast, August offers much milder weather with minimum temperatures around 6°C (44°F) and maximums soaring to 32°C (90°F), resulting in a pleasant average of 18°C (65°F). Although August is slightly wetter, with 107 mm (4.2 in) of precipitation over 14 days, it boasts lower humidity at 84%. For more details, you can check Ulm weather in August.
January and September present contrasting weather patterns, highlighting the transition from winter to autumn. In January, temperatures plummet to a minimum of -15°C (5°F), with an average of 0°C (33°F) and a maximum of 13°C (56°F), while the month is characterized by high humidity at 91% and considerable precipitation of 67 mm (2.6 inches) over 11 days. In stark contrast, September boasts milder conditions, featuring a minimum temperature of 1°C (35°F) and an average of 14°C (58°F), reaching a pleasant maximum of 28°C (83°F). The precipitation is relatively similar at 64 mm (2.5 inches), occurring over 12 days, but humidity is lower at 85%. For more details on September's weather, check out Ulm weather in September.
January and October present strikingly different weather patterns. In January, temperatures range from a frigid -15°C (5°F) to a mild 13°C (56°F), with an average of 0°C (33°F), while October witnesses a much more temperate climate with minimums of -1°C (31°F) and maximums reaching 23°C (74°F), averaging around 10°C (50°F). Precipitation levels are similar in both months, with January having 67 mm (2.6 in) over 11 days and October also at 67 mm (2.6 in) but spread over 12 days. Humidity is slightly higher in January at 91%, compared to 88% in October. For more detailed information, you can check out Ulm weather in October.
In comparison to January, November offers a milder climate with average temperatures ranging from -4°C (25°F) to a maximum of 19°C (66°F), while January experiences much colder conditions with a minimum of -15°C (5°F) and a maximum of only 13°C (56°F). Precipitation in November is slightly lower at 50 mm (2.0 in) over 10 days, compared to January's 67 mm (2.6 in) over 11 days. Additionally, November's humidity level is slightly lower at 89%, while January sees a higher humidity of 91%. For more details on weather conditions in November, visit Ulm weather in November.
In comparing the weather between January and December, we see a notable difference in temperature and precipitation patterns. January experiences colder temperatures, with a minimum of -15°C (5°F) and an average of 0°C (33°F), while December has milder conditions with temperatures ranging from a minimum of -9°C (16°F) to an average of 2°C (35°F). Both months share the same maximum temperature of 13°C (56°F). Precipitation is more frequent in December, with 17 days of rain totaling 98 mm (3.9 in), compared to January's 11 days and 67 mm (2.6 in). Humidity remains consistent at 91% in both months. To learn more about Ulm's climate during December, you can visit Ulm weather in December.
January in Ulm is a month of contrasts, where the chill of winter truly sets in. With temperatures plunging to their lowest, this month often showcases its coldest days, with frequent freezing spells that can dip below -15°C. Unlike the moderate temperatures experienced in the surrounding months, January's maximal warmth barely reaches 13°C, making it a stark departure from the more temperate feel of spring and autumn. Additionally, higher humidity levels and substantial precipitation—averaging nearly 67 mm across 11 days—contribute to an uninviting atmosphere, often cloaked in grey skies. For those intrigued by how January’s climate shapes up against the rest of the year, look no further than Ulm Climate for a comprehensive overview.