Last updated: August 27, 2025
In January, Unterseen, Switzerland experiences a chilly climate marked by a maximum temperature of 9°C (48°F) and a brisk average of -3°C (26°F). The month is characterized by significant cold spells, occasionally dropping to a minimum of -19°C (-1°F). Rainfall is prominent, with a total precipitation of 123 mm (4.9 in) spread over 12 days, creating a damp atmosphere complemented by high humidity levels at 92%. This combination of cold temperatures and moisture makes January a quintessential winter month in Unterseen, perfect for those seeking a peaceful snow-laden retreat.
In January, Unterseen, Switzerland experiences a chilly embrace, with temperatures ranging from a minimum of -19°C (-1°F) to a maximum of 9°C (48°F). The average temperature hovers around -3°C (26°F), setting the stage for a winter wonderland. As the month progresses, days are characterized by crisp air and the potential for light snowfall, making it an ideal time for winter sports enthusiasts. The notable drop in nighttime temperatures highlights a consistent trend of cold peaks during this season, while the gradual increase in average highs shifts into February, suggesting that a subtle warming is on the horizon. The contrast of freezing nights and milder daytime temperatures captures the essence of winter in the heart of the Swiss Alps.
January in Unterseen, Switzerland, presents a picturesque, albeit damp, winter landscape, with precipitation totaling 123 mm (4.9 in) over approximately 12 days. This month serves as a transition, bridging the heavy snowfall typical of December, which recorded 175 mm, and the relatively milder February at 103 mm (4.0 in). The steady rainfall seen in January often paves the way for the burgeoning spring, as precipitation remains abundant in the months that follow. Interestingly, while January skies may often release moisture, they set the stage for a dramatic increase in downpours by the time summer arrives, with June experiencing peak precipitation at 225 mm (8.9 in). Such patterns highlight Unterseen's dynamic climate, where winter’s chill gives way to lush, rain-filled months ahead.
In January, Unterseen experiences a high humidity level of 92%, setting the tone for a particularly damp winter. This trend of elevated humidity continues into February, with a slight decrease to 89%, and maintains a relatively high average throughout the spring months, reaching 84% by April. As the year progresses, humidity levels gradually decline, dropping to 80% in May and remaining stable through the summer. August sees a modest return to 80%, followed by fluctuating levels in the fall, peaking again at 90% in October and tapering off slightly to 88% in November. The year concludes in December with another rise to 90%, underscoring the region's characteristic moisture throughout the seasons and highlighting the consistency of high humidity in Unterseen's climate.
In January, Unterseen experiences a low UV Index of 2, indicating minimal risk of harm from unprotected sun exposure, with a burn time of approximately 45 minutes. This trend of lower UV levels continues in December, signaling the winter months as an ideal time for outdoor activities without significant sun protection. As February rolls in, the UV Index rises to 4, and the exposure category shifts to moderate, reducing the safe burn time to 30 minutes. This upward trajectory continues into spring, peaking at a very high UV index of 9 in May, which sharply decreases the burn time to just 15 minutes. As summer approaches, these elevated levels persist through July and August, highlighting the importance of sun safety. You can explore more about the UV Index trends throughout the year by visiting Unterseen UV Index.
UV Risk Categories
In Unterseen, Switzerland, January shines with a modest 169 hours of sunshine, setting the stage for a gradual increase in brightness as the year unfolds. As winter yields to spring, February offers a delightful uptick to 229 hours, inviting outdoor enthusiasts to embrace the crisp air. March further elevates this trend, boasting 299 hours that herald the arrival of longer days. The sun truly takes center stage in the warmer months, peaking in July with an impressive 416 hours. This vibrant energy continues through August, although slightly tempered at 384 hours. As autumn approaches, sunshine begins to wane, tapering off to 322 hours in September and continuing its decline into the chill of winter by December, which sees only 195 hours. This natural ebb and flow of sunlight highlights Unterseen’s charm, where each season brings its own unique allure under the radiant sky.
In Unterseen, Switzerland, the likelihood of sunny weather in January lingers at a modest 19%, marking it as one of the cloudier months of the year. While January’s sun chance may seem bleak, it sets the stage for a noticeable upward trend in the following months, with February nearly doubling that figure to 38%. This increasing trend continues through spring, peaking in April at 48%, before settling into a more variable pattern during the summer. Consequently, while January may demand more patience for sun-seekers, the promise of brighter days is just around the corner as winter transitions into spring.
In Unterseen, Switzerland, January welcomes the year with 9 hours of daylight, setting the stage for a gradual increase as winter gives way to spring. As February arrives, the days lengthen to 10 hours, hinting at the vibrant warmth to come. By March, the daylight extends further to 11 hours, continuing to rise steadily into April with 13 hours, where the sun's embrace becomes noticeably warmer. This upward trend peaks in May and maintains through June and July, each enjoying a generous 15 hours of daylight, making these months ideal for outdoor adventures. As summer transitions to early autumn, daylight gradually decreases, with 14 hours in August leading to 12 hours in September. October sees a subtle drop to 10 hours, followed by a return to shorter days in November and December, with only 9 and 8 hours respectively, as the snowy alpine landscape prepares for winter's embrace once again. This rhythm of daylight reflects not just the passage of time, but the beauty of seasonal change in this enchanting Swiss locale.
In Unterseen, Switzerland, January ushers in a gentle breeze with an average wind speed of 1.6 m/s (4 mph), setting the tone for the winter months. Interestingly, as the year progresses into February, the wind picks up slightly, reaching 1.7 m/s, before descending to a more tranquil 1.5 m/s in March and April. This modest fluctuation continues throughout the spring and summer, where winds remain consistent, hovering around 1.3 to 1.6 m/s. Notably, December mirrors January with a return to 1.7 m/s, creating a symmetrical rhythm in the seasonal air currents. Overall, the wind patterns in Unterseen reflect a serene consistency, ideal for those seeking a peaceful winter escape.
Weather in Unterseen varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Unterseen, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February exhibit notably similar cold temperatures, with January averaging -3°C (26°F) and February slightly milder at -1°C (31°F). The minimum temperatures in January drop to -19°C (-1°F), while February sees a slight improvement to -18°C (-1°F). February, however, records a higher maximum temperature of 14°C (58°F) compared to January's 9°C (48°F). Precipitation levels are also comparable, with January receiving 123 mm (4.9 in) across 12 days and February totaling 103 mm (4.0 in) over 11 days. Humidity decreases slightly from January’s 92% to February’s 89%. For more detailed insights, you can check Unterseen weather in February.
January and March present quite different weather patterns. In January, temperatures range from a frigid minimum of -19°C (-1°F) to an average of -3°C (26°F), with maximums reaching 9°C (48°F). The month experiences high humidity at 92% and precipitation totaling 123 mm (4.9 in) over 12 days. March, on the other hand, shows a slight warming trend, with temperatures dipping to a minimum of -23°C (-9°F) and averaging 2°C (36°F), peaking at 16°C (60°F). Although March sees a marginal increase in precipitation at 125 mm (4.9 in) over 15 days, humidity decreases to 87%. For more specific details on March weather, you can check Unterseen weather in March.
In January, the weather is characterized by frigid temperatures, with a minimum of -19°C (-1°F) and an average of -3°C (26°F), reaching a maximum of 9°C (48°F). Additionally, the month sees significant precipitation, totaling 123 mm (4.9 inches) over 12 days, accompanied by high humidity levels at 92%. In contrast, April experiences a milder climate, featuring a minimum temperature of -12°C (10°F) and an average of 5°C (42°F), with a maximum temperature of 19°C (67°F). Precipitation is lighter at 94 mm (3.7 inches) over the same duration of 12 days, and humidity drops to 84%. For more information on weather conditions in April, check out Unterseen weather in April.
In January, the weather is quite frigid, with temperatures ranging from a minimum of -19°C (-1°F) to a maximum of 9°C (48°F), averaging around -3°C (26°F). This chilly month experiences significant precipitation, totaling 123 mm (4.9 in) over 12 days, accompanied by high humidity levels of 92%. In contrast, May brings a notable warming trend, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 25°C (78°F), averaging at 9°C (48°F). However, May experiences a higher total precipitation of 182 mm (7.2 in) spread over 19 days, though the humidity drops to 80%. For more details on the weather in May, you can visit Unterseen weather in May.
January and June present starkly contrasting weather conditions. In January, temperatures are quite frigid, ranging from a minimum of -19°C (−1°F) to a maximum of 9°C (48°F), with an average of -3°C (26°F). The month is characterized by high humidity at 92% and substantial precipitation, averaging 123 mm (4.9 in) over 12 days. In contrast, June warms up significantly, with temperatures ranging from a minimum of 1°C (34°F) to a comfortable maximum of 29°C (85°F) and an average of 14°C (57°F). Although June experiences more rainfall, totaling 225 mm (8.9 in) over 18 days, the humidity is slightly lower at 82%. For a detailed look at the weather in June, check out Unterseen weather in June.
January and July present a stark contrast in weather patterns. In January, temperatures can plunge as low as -19°C (-1°F), with an average temperature of -3°C (26°F) and a maximum of 9°C (48°F). The month also sees significant precipitation, totaling 123 mm (4.9 in) over 12 days, accompanied by high humidity at 92%. In contrast, July offers a milder climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 29°C (84°F), averaging around 15°C (60°F). It experiences even more rainfall, accumulating 219 mm (8.6 in) across 18 days, though humidity is lower at 83%. For more insights on July weather, check Unterseen weather in July.
In January, the weather is characterized by cold temperatures, with averages hovering around -3°C (26°F) and a maximum of only 9°C (48°F), while the minimum can plunge to as low as -19°C (-1°F). The month experiences significant precipitation, totaling 123 mm (4.9 in) over 12 days, accompanied by high humidity levels of 92%. In contrast, August brings a much warmer climate, with average temperatures reaching 15°C (59°F) and maximums hitting 28°C (82°F), while the minimum temperature remains at a mild 5°C (41°F). However, August also sees increased rainfall, totaling 203 mm (8.0 in) over 18 days, and a lower humidity level of 80%. For more details, you can visit Unterseen weather in August.
January and September present notably contrasting weather conditions. In January, temperatures consistently hover around freezing, with a minimum of -19°C (-1°F) and an average of -3°C (26°F), while highs reach only up to 9°C (48°F). This winter month is characterized by high humidity at 92% and considerable precipitation, totaling 123 mm (4.9 in) across about 12 days. In stark contrast, September sees a much milder climate, with temperatures ranging from a minimum of 0°C (32°F) to a much warmer average of 11°C (53°F), and highs can reach 23°C (73°F). Although precipitation is only slightly higher at 124 mm (4.9 in), it spans over 14 days, and the humidity drops to 83%. For a more detailed look at the weather patterns during this time, take a look at Unterseen weather in September.
January and October present contrasting weather conditions. In January, temperatures can plummet to a minimum of -19°C (-1°F), with an average temperature of -3°C (26°F) and a high of 9°C (48°F). The month is characterized by significant precipitation, totaling 123 mm (4.9 in) over 12 days, and a high humidity level of 92%. In contrast, October offers a more moderate climate, with temperatures ranging from a minimum of -4°C (26°F) to an average of 7°C (45°F), peaking at 19°C (67°F). Additionally, October sees slightly more rainfall, measuring 138 mm (5.4 in) over 13 days, and maintains a lower humidity level of 90%. For more insights on October weather in the region, check out Unterseen weather in October.
In comparing the weather of January and November, we see notable differences in temperature and precipitation. January is considerably colder, with average temperatures hovering around -3°C (26°F) and a minimum that plunges to -19°C (-1°F), while November's average is a milder 2°C (35°F) with a minimum of -10°C (13°F). Additionally, January experiences more precipitation at 123 mm (4.9 in) over approximately 12 days, compared to November's 97 mm (3.8 in) over 13 days. However, the humidity remains relatively high in both months, with January at 92% and November slightly lower at 88%. For those interested in detailed weather patterns, you can explore more about Unterseen weather in November.
In January, the average temperature is slightly colder compared to December, with a minimum of -19°C (-1°F) versus December's -13°C (8°F). Both months experience similar maximum temperatures of around 9°C (49°F), but January's average hovers at -3°C (26°F), making it the chillier month overall. Precipitation is also lower in January, measuring 123 mm (4.9 in) over 12 days, compared to December's 175 mm (6.9 in) over 17 days. However, January's humidity is a touch higher at 92%, compared to 90% in December, adding to the wintery feel. For more details on weather conditions during this time, check out Unterseen weather in December.
As winter deepens in Unterseen, January brings a distinct chill characterized by significantly lower temperatures and higher humidity, creating a stark contrast to milder months. With an average temperature hovering around freezing, the month showcases the coldest conditions of the year, often dipping to sub-zero lows. Precipitation is frequent, with nearly half the month seeing rain or snow, leading to a lush, frosty landscape that feels truly serene. While the day-to-day weather may seem bleak, January offers a unique beauty, inviting visitors to embrace the quiet charm of winter in the heart of Switzerland. For more insights on the seasonal variations and climate trends, check out Unterseen Climate.