Last updated: August 27, 2025
In Romanshorn, Switzerland, January brings a unique blend of winter temperatures and captivating scenery. The maximum temperature reaches a mild 13°C (55°F), while the average hovers around a crisp 0°C (33°F), dipping to a chilly minimum of -16°C (3°F) on the coldest days. With precipitation totaling 109 mm (4.3 in) over approximately 12 days, the month is characterized by a damp, wintry atmosphere. Coupled with a humidity level of 92%, January in Romanshorn feels both refreshingly brisk and humid, setting the stage for enchanting winter landscapes and cozy indoor retreats.
In Romanshorn, Switzerland, January embraces the chill of winter with temperatures ranging from a brisk -16°C (3°F) at night to a mild 13°C (55°F) during the day. The average temperature hovers around 0°C (33°F), offering a taste of the cold as the region gears up for a gradual warming trend in the following months. As February approaches, the mercury begins to rise slightly, with minimums dipping to -13°C (9°F) and maximums reaching 16°C (62°F). By March, the climate transitions further, showcasing a minimum of -14°C (6°F) and an average of 5°C (42°F), signaling the slow but steady arrival of spring. This progressive thaw continues into April, where the routine of cold gives way to milder conditions, ultimately leading to the warmer days of summer by May. Residents and visitors alike can expect January to be a defining month of winter's embrace, setting the tone for the subsequent seasonal transitions in Romanshorn.
January in Romanshorn, Switzerland, sees an average precipitation of 109 mm (4.3 in) spread over 12 days. This marks a notable contrast to the typically wetter months that follow, such as August, which experiences the highest rainfall of the year at 175 mm (6.9 in). As winter transitions into spring, it's evident that January sets the stage for the more substantial rainfall ahead, with precipitation gradually increasing from the drier winter months into the lush, verdant months of late spring and summer. Notably, despite the relatively high accumulation, the number of precipitation days during January remains moderate, suggesting a blend of light showers and some heavier bursts, keeping the landscape vibrant and lively as it begins to thaw.
In January, Romanshorn experiences a notably high humidity level of 92%, setting the stage for the winter months where moisture hangs in the frosty air. As the year progresses into February, this humidity begins to ease slightly to 89%, continuing a gradual decline through March at 87% and April at 84%. By May, the humidity drops further to 80%, marking the transition into warmer months. This trend of fluctuating but generally decreasing humidity continues through late spring and summer, stabilizing around the 80-83% range from June to August. However, as autumn arrives, the humidity climbs again, reaching 90% in October and maintaining a high level through November and December. This cyclical pattern highlights Romanshorn's characteristic dampness, providing a refreshing yet chill-clad embrace through the winter and a more temperate feel during the summer months.
In January, Romanshorn experiences a low UV Index of 2, indicating that sun exposure is generally safe, with a burn time of 45 minutes. This month marks the beginning of a gradual increase in UV radiation as winter transitions into spring. By February, the UV Index rises to 3, signaling a moderate exposure category, which reduces the safe burn time to just 30 minutes. As spring approaches, the UV Index continues to climb, reaching 5 in March and peaking at 6 in April, where caution becomes necessary due to the high exposure level. Notably, while January offers a safe environment for outdoor activities, by May, the Index soars to 8 and 9 during the summer months, classifying the risk as very high and demanding vigilant sun protection. This upward trend during spring and summer ultimately emphasizes the importance of being mindful about UV exposure as the seasons change. For more detailed information, visit Romanshorn UV Index.
UV Risk Categories
In Romanshorn, Switzerland, January greets the new year with 154 hours of sunshine, a modest start that sets the tone for a gradual increase in luminosity. As winter transitions into early spring, February and March showcase a significant rise, boasting 223 and 291 hours respectively. This upward trend continues unabated into the vibrant spring months, with April and May shining with 348 and 359 hours of brilliant light. The summer months reach their zenith, peaking in July at an impressive 405 hours, marking the height of sunshine enjoyment. Even as summer fades, Romanshorn remains bathed in ample light through August and September with 373 and 315 hours. However, the approach of winter brings a gentle decline, with sunshine receding to 176 hours in December. This annual cycle beautifully illustrates the region’s transformation, where January serves as a gentle reminder of the vibrant warmth to come.
In Romanshorn, Switzerland, January brings a notably low likelihood of sunny weather, with only a 17% chance of clear skies. This trend of limited sun continues from the colder months, as February and March show only slight improvements at 41% and 42% respectively. However, as spring approaches, the chance of sunshine progressively increases, reaching 48% in April and peaking at 34% during the summer months. The contrast is clear: as winter fades away, Romanshorn welcomes more sunlight, making the subsequent months a much brighter experience for residents and visitors alike.
In Romanshorn, Switzerland, January heralds the return of longer days, with just 8 hours of daylight, a stark contrast to the sun-drenched months that follow. As winter gives way to spring, we see a steady increase in daylight, with February enjoying 10 hours, and by March, the days stretch to 11 hours. This upward trend continues vividly into April and May, where residents bask in 13 and 15 hours of daylight, respectively. The summer months from June through July maintain this 15-hour peak, offering ample time for outdoor enjoyment. As autumn approaches, daylight gradually wanes, dropping to 14 hours in August and tapering off to 12 hours in September. By the time October arrives, the sunlight dips to 10 hours, before descending into the dimmer days of November and December, which mirror January’s 8 hours. This cyclical dance of daylight not only marks the changing seasons but also enriches the daily lives of Romanshorn's residents throughout the year.
In January, Romanshorn experiences a gentle average wind speed of 2.0 m/s (5 mph), marking the beginning of the year with a serene chill that complements the tranquil Swiss landscape. This slight breeziness is the highest for the first half of the year, creating a refreshing ambiance as winter fades into spring. Interestingly, as February rolls in, the wind takes a subtle dip to 1.8 m/s (4 mph) and maintains that calm through March and April. However, a notable increase occurs in May, where the speed rises to 2.3 m/s (5 mph), signaling the arrival of warmer days and a more vibrant atmosphere. The winds stay relatively mild throughout the summer months, averaging around 1.6 m/s (4 mph), before tapering off again in the fall. Overall, Romanshorn’s wind patterns reflect a gentle transition from the brisk winters to the more dynamic spring, providing a perfect backdrop for the stunning vistas of Lake Constance.
Weather in Romanshorn varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Romanshorn, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February exhibit notable differences in weather patterns. January typically experiences colder temperatures, with minimums reaching down to -16°C (3°F) and an average around 0°C (33°F). In contrast, February sees a slight warming trend, with minimums of -13°C (9°F) and an average temperature of 2°C (37°F). While January experiences 109 mm (4.3 in) of precipitation over 12 days, February has less precipitation at 83 mm (3.3 in), though it too sees rain on 12 days. Additionally, February's humidity is marginally lower at 89% compared to January's 92%. For more details on the weather in February, you can visit Romanshorn weather in February.
January and March present quite different weather patterns. In January, temperatures typically range from a chilly -16°C (3°F) at night to a peak of 13°C (55°F) during the day, with an average of 0°C (33°F). The month also witnesses significant precipitation of 109 mm (4.3 in) spread over 12 days, accompanied by high humidity levels of 92%. In contrast, March brings a noticeable warming trend, with temperatures ranging from a minimum of -14°C (6°F) to a maximum of 19°C (67°F) and an average of 5°C (42°F). While precipitation remains similar at 98 mm (3.8 in), it falls on more days—16 in total—though humidity decreases slightly to 87%. For more specific details, you can check out Romanshorn weather in March.
January and April present strikingly different weather patterns. In January, temperatures can plummet to a minimum of -16°C (3°F) and typically hover around an average of 0°C (33°F), with maximums reaching 13°C (55°F). This month also experiences high humidity at 92% and significant precipitation of 109 mm (4.3 in) over 12 days, indicating a cold, damp environment. In contrast, April sees a noticeable shift with minimum temperatures dipping to -4°C (24°F) and averaging 9°C (49°F), while maximum temperatures can soar to 24°C (76°F). Precipitation in April decreases to 76 mm (3.0 in) across 9 days, with humidity levels dropping to 84%. This shift highlights the transition from winter's chill to spring’s warmth. For more detailed information, check out Romanshorn weather in April.
January and May present stark contrasts in weather. In January, temperatures can plummet to a chilling minimum of -16°C (3°F), with an average temperature hovering around 0°C (33°F) and a maximum of 13°C (55°F). The month sees significant precipitation at 109 mm (4.3 in) over 12 days, coupled with high humidity of 92%. In contrast, May brings a much milder climate, with temperatures ranging from a minimum of 0°C (32°F) to a pleasant maximum of 30°C (85°F), resulting in an average of 13°C (56°F). While precipitation increases to 142 mm (5.6 in) over 16 days, the humidity drops to a more comfortable 80%. These changes indicate a shift from the harsh winter chill of January to the warm spring conditions of May. For more details, visit Romanshorn weather in May.
In January, the weather in Romanshorn is characterized by cold temperatures, with a minimum of -16°C (3°F) and an average of 0°C (33°F), peaking at a maximum of 13°C (55°F). The month sees significant precipitation, totaling 109 mm (4.3 in) over about 12 days, accompanied by high humidity levels at 92%. In contrast, June experiences a much milder climate, with temperatures ranging from a minimum of 6°C (43°F) to an average of 18°C (65°F), and soaring to a maximum of 33°C (91°F). Precipitation increases slightly to 152 mm (6.0 in) over 15 days, but humidity drops to 82%. For more detailed information, you can check out Romanshorn weather in June.
January and July present striking contrasts in weather conditions. In January, temperatures range from a frigid minimum of -16°C (3°F) to a maximum of 13°C (55°F), with an average temperature of 0°C (33°F). The month experiences significant precipitation, totaling 109 mm (4.3 in) over 12 days, accompanied by high humidity levels reaching 92%. In contrast, July boasts a much warmer climate, with temperatures ranging from a minimum of 11°C (51°F) to a scorching maximum of 32°C (90°F), averaging at 19°C (67°F). The summer month sees slightly higher precipitation at 146 mm (5.7 in) over 16 days, but with lower humidity at 83%. To explore more about the conditions during this summer month, visit Romanshorn weather in July.
January and August present a stark contrast in weather patterns. In January, temperatures can plunge as low as -16°C (3°F), with an average of 0°C (33°F) and a maximum of 13°C (55°F). The month is quite damp, with 109 mm (4.3 in) of precipitation over 12 days and humidity levels reaching 92%. In contrast, August enjoys much milder temperatures, ranging from a minimum of 9°C (49°F) to a maximum of 33°C (91°F), with an average of 19°C (67°F). While August sees increased precipitation, averaging 175 mm (6.9 in) over 14 days, the humidity is more manageable at 80%. For more details on August weather specifically, visit Romanshorn weather in August.
January and September present stark contrasts in weather. In January, temperatures can plunge to a minimum of -16°C (3°F) and typically hover around an average of 0°C (33°F), making it one of the coldest months of the year. The high humidity of 92% adds to the chill, and the month records about 109 mm (4.3 in) of precipitation over 12 days. Conversely, September offers a much more moderate climate, with temperatures ranging from a minimum of 4°C (39°F) to a pleasant average of 15°C (59°F), peaking at 26°C (80°F). Although it sees slightly more precipitation at 117 mm (4.6 in) over the same number of days, the humidity is lower at 83%. For more detailed insights, visit Romanshorn weather in September.
January and October present distinctly different weather patterns. In January, temperatures range from a chilly -16°C (3°F) to a mild 13°C (55°F), averaging around 0°C (33°F), with a high humidity level of 92%. The month sees about 109 mm (4.3 in) of precipitation over 12 days. In contrast, October offers a milder climate, with temperatures fluctuating between 1°C (34°F) and 22°C (72°F), averaging around 11°C (51°F). Precipitation increases slightly to 118 mm (4.7 in) over 13 days, and humidity remains relatively high at 90%. For more details, you can check Romanshorn weather in October.
January and November present quite different weather experiences. In January, temperatures can plunge as low as -16°C (3°F) with an average of around 0°C (33°F), while November offers milder conditions, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 20°C (68°F) and an average of 5°C (42°F). Precipitation is heavier in January, with 109 mm (4.3 in) falling over 12 days compared to November's 73 mm (2.9 in) across 11 days. Additionally, January's humidity level is slightly higher at 92%, compared to November's 88%. For more detailed weather insights, visit Romanshorn weather in November.
In January, the weather in Romanshorn is characterized by a colder climate, with temperatures ranging from a minimum of -16°C (3°F) to an average of 0°C (33°F), while December experiences milder conditions with a minimum of -9°C (16°F) and an average of 2°C (36°F). Both months share a maximum temperature of 13°C (55°F). However, January sees slightly less precipitation at 109 mm (4.3 in) over 12 days, compared to December, which has 131 mm (5.2 in) across 19 days. The humidity is also higher in January at 92%, compared to December's 90%. For more detailed insights, check Romanshorn weather in December.
In January, Romanshorn experiences a stark contrast to the milder months, characterized by chilly temperatures and substantial precipitation. With an average temperature that hovers around the freezing point, residents and visitors can expect quite a different atmosphere—one that is often accompanied by a high humidity level, making it feel even colder. January brings approximately 12 days of rain, totaling 109 mm, adding to the wintry charm of this picturesque Swiss town. If you’re curious about how Romanshorn's climate varies throughout the year, be sure to explore more on Romanshorn Climate.