Last updated: August 27, 2025
In January, Biel/Bienne, Switzerland experiences a vivid tapestry of winter weather, where temperatures oscillate between a maximum of 15°C (59°F) and a frigid minimum of -14°C (8°F), creating a sharp contrast that defines the season. The average temperature rests around 1°C (33°F), inviting both locals and visitors to embrace the chilly ambiance. With a precipitation total of 98 mm (3.9 in) spread over 13 days, the month is marked by frequent dampness and a striking humidity level of 91%, adding to the crisp atmosphere. This blend of cold and wet conditions makes Biel/Bienne an enchanting winter destination, perfect for those seeking the serene beauty of a Swiss winter landscape.
In Biel/Bienne, Switzerland, January greets you with chilly temperatures that range from a crisp -14°C (8°F) at night to a mild 15°C (59°F) during the day. The average hovers around 1°C (33°F), signaling a transitional period as the winter deepens before spring's approach. As the month progresses, highs tend to fluctuate, giving way to warmer days compared to the previous winter months, hinting at the gradual warming trend that continues into February and March. This shift creates a compelling contrast, as the cold nights remain a staple, yet the lengthening days bring a taste of spring's promise. Overall, January sets the stage for a picturesque winter wonderland, where the beauty of the snow-covered landscape is as striking as the range of temperatures experienced throughout the month.
January in Biel/Bienne, Switzerland, brings a blend of cool temperatures and significant rainfall, with an average precipitation amount of 98 mm (3.9 in) over 13 days. This marks a transitional month, as the precipitation sets the stage for what is often a wet winter, paving the way for a wetter spring ahead. Interestingly, the precipitation levels in January are slightly lower than those of March and notably higher than in February, indicating an early flourish of water that hangs between winter's chill and spring's awakening. As the season progresses, Biel/Bienne typically experiences even more rainfall, culminating in a peak in May with 156 mm (6.1 in), demonstrating a distinct trend toward increased moisture as the year unfolds.
In Biel/Bienne, Switzerland, January ushers in the year with a notably high humidity level of 91%, setting the tone for the winter months. As the season progresses into February, humidity sees a slight dip to 89%, followed by a gradual decline to 87% in March. As spring approaches, the air becomes increasingly drier, reaching 84% by April and 80% in May. However, this reduction in humidity doesn't last long; it bounces back to 82% from June through July. By August, the humidity dips again to 77%, providing a brief respite before climbing back up to 81% in September. As autumn returns, humidity lingers around 89% in both October and November, before closing the year with another 91% in December. Overall, Biel/Bienne experiences a consistent cycle of high humidity, particularly prevalent in the winter and late autumn months, framing a year rich with moisture and atmospheric variation.
In January, Biel/Bienne experiences a UV Index of 2, indicating a low exposure risk with a burn time of 45 minutes. As winter progresses into February, the UV Index climbs to 3, moving into the moderate exposure category, which shortens burn time to 30 minutes. This trend of increasing UV exposure continues into March, where the index reaches 5. The months ahead see a significant rise; by April, the index hits 6 (high exposure) and then peaks in the summer months, with July and June both soaring to 9 (very high), requiring a mere 15 minutes for potential skin damage. As summer ends, the UV Index gradually decreases, falling back to 6 in September, then settling at 2 again by November and December—low exposure months reminiscent of January. This seasonal pattern highlights a shift from low winter UV levels to the intense summer rays, making awareness key for skin protection. For more detailed information, visit the Biel/Bienne UV Index.
UV Risk Categories
In January, Biel/Bienne, Switzerland, welcomes the year with approximately 159 hours of sunshine, providing a refreshing yet brisk start to winter. As February rolls in, the daylight gradually increases to 224 hours, hinting at the promise of spring. March continues this upward trend, with sunshine hours climbing to 296, making the days noticeably brighter. By April, residents bask in 358 hours, and as May arrives, the sun shines even more generously with 370 hours. This beautiful ascent peaks in July, where an impressive 418 hours of sunlight bathes the city in warmth. Although August sees a slight dip to 388 hours, the sunny days remain plentiful. As autumn sets in, a gradual decline occurs, with September at 329 hours, followed by October with 281 hours. However, even as the year winds down, November and December retain their charm with 222 and 183 hours respectively, ensuring that Biel/Bienne enjoys a delightful variation of light throughout the year, punctuated by vibrant seasonal transitions.
In Biel/Bienne, Switzerland, January brings a modest chance of sunny weather with only 15% likelihood. This trend reflects the mid-winter conditions, where sunshine is scarce compared to the following months. As the seasons transition, February sees a noticeable increase to 35%, signaling the gradual return of sunlight. By March, the likelihood of sunny days jumps to 46%, marking the onset of spring when longer and brighter days start to emerge. April continues this positive trend, with sunny weather chances surpassing 50% for the first time in the year, paving the way for a more vibrant atmosphere leading into late spring and summer.
In Biel/Bienne, Switzerland, January marks the beginning of the year's daylight cycle with approximately 8 hours of sunlight, setting the stage for a gradual increase as winter transitions into spring. By February, daylight extends to 10 hours, hinting at the approaching warmth and longer days. This upward trend continues through March and April, where daylight reaches 11 and 13 hours respectively, awakening the landscape from its slumber. As we move into May and the summer months, Biel/Bienne enjoys a robust 15 hours of daylight, providing ample time for outdoor activities and exploration. Although this peak persists into the heart of summer, daylight begins its slow descent in August, dropping to 14 hours. The city then gently transitions back to the shorter days of fall, with 12 hours of daylight in September and further decreasing to just 8 hours by December. This cyclical rhythm of light not only reflects seasonal changes but also influences the vibrant culture and lifestyle of Biel/Bienne throughout the year.
January in Biel/Bienne, Switzerland, greets visitors with an average wind speed of 2.6 m/s (6 mph), making it the month with the highest breeze in the winter season. As the year progresses into February and remains fairly consistent, the wind gently tapers to 2.3 m/s (5 mph) before slightly rising again in the following months. From March to April, the winds stabilize at 2.4 m/s (5 mph), maintaining a calm atmosphere as spring approaches. However, there is a notable increase in May, where the winds pick up to 2.8 m/s (6 mph), heralding the warmer months. Interestingly, the summer sees a decline, with July and August experiencing lighter breezes of around 1.9-2.0 m/s (4 mph). This trend of diminishing winds continues into September before picking up slightly again in the fall. Overall, January serves as a transitional month, setting the stage for the more variable wind patterns that follow throughout the year.
Weather in Biel/Bienne varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Biel/Bienne, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of January and February, January experiences slightly colder temperatures with an average of 1°C (33°F), while February shows a moderate rise to an average of 3°C (38°F). The maximum temperatures for both months are fairly similar, reaching up to 15°C (59°F) in January and 17°C (64°F) in February. Additionally, precipitation is somewhat lower in February at 84 mm (3.3 in), compared to 98 mm (3.9 in) in January, but both months see rain on about 12 to 13 days. Humidity levels remain relatively high in both months, with January at 91% and February slightly lower at 89%. For more details on February weather, you can check Biel/Bienne weather in February.
In January, the weather in Biel/Bienne is characterized by colder temperatures, with averages around 1°C (33°F) and a notable minimum of -14°C (8°F), while highs can reach 15°C (59°F). The month typically experiences about 98 mm (3.9 in) of precipitation over 13 days, with humidity levels sitting at a high 91%. In contrast, March sees a slight increase in average temperatures, rising to 5°C (42°F) with maximums reaching 21°C (69°F). This month experiences a comparable amount of precipitation, totaling 100 mm (3.9 in) but spread over 16 days, and slightly lower humidity at 87%. For more detailed information about the weather in March, visit Biel/Bienne weather in March.
In January, the weather is characterized by significantly lower temperatures, with a minimum of -14°C (8°F) and an average of just 1°C (33°F), while reaching a maximum of 15°C (59°F). The month experiences higher precipitation levels at 98 mm (3.9 in) over 13 days, coupled with humidity levels around 91%. In contrast, April brings a noticeable warming trend, with temperatures ranging from a minimum of -5°C (23°F) to an average of 9°C (49°F) and a maximum of 25°C (77°F). Precipitation decreases to 67 mm (2.6 in) spread over 11 days, and humidity lowers slightly to 84%. For more specific details on what to expect, check out the link: Biel/Bienne weather in April.
In January, the weather is notably colder, with temperatures ranging from a minimum of -14°C (8°F) to a maximum of 15°C (59°F), and an average temperature of just 1°C (33°F). The month experiences significant precipitation, totaling 98 mm (3.9 in) over 13 days, paired with high humidity at 91%. In contrast, May brings a much milder climate, with temperatures ranging from -1°C (30°F) to a comfortable 29°C (85°F) and an average of 13°C (55°F). Precipitation increases to 156 mm (6.1 in) across 18 days, but humidity drops to 80%. For more details on the pleasant weather patterns, you can check Biel/Bienne weather in May.
January and June present starkly contrasting weather conditions. In January, temperatures can plunge to a chilling minimum of -14°C (8°F), with an average around 1°C (33°F) and a maximum reaching only 15°C (59°F). The month experiences considerable precipitation, with 98 mm (3.9 in) falling over 13 days, coupled with a high humidity level of 91%.
In contrast, June offers a much milder climate, featuring a minimum temperature of 5°C (41°F) and an average of 18°C (64°F), peaking at a warm 33°C (92°F). The precipitation also increases to 141 mm (5.6 in) over 17 days, but the humidity drops slightly to 82%. This shift from the depths of winter to the warmth of summer highlights the dramatic seasonal changes, making June a much more inviting month for outdoor activities. For more details, check out Biel/Bienne weather in June.
In January, temperatures can plummet to a chilling minimum of -14°C (8°F), with an average hovering around 1°C (33°F) and a maximum reaching up to 15°C (59°F). This month also experiences significant humidity at 91%, alongside precipitation occurring over 13 days, totaling 98 mm (3.9 in). In stark contrast, July brings much warmer temperatures, with a minimum of 8°C (46°F), an average of 19°C (67°F), and a high that can soar to 35°C (95°F). Although July sees more precipitation, totaling 150 mm (5.9 in) over 15 days, the humidity is relatively lower at 82%. For more detailed information on the summer weather, check out Biel/Bienne weather in July.
In January, the weather is notably cold, with temperatures ranging from a frigid -14°C (8°F) to a maximum of 15°C (59°F) and an average temperature of around 1°C (33°F). The month sees significant precipitation, totaling 98 mm (3.9 in) over 13 days, coupled with high humidity at 91%. In contrast, August experiences much milder weather, with temperatures fluctuating between 6°C (44°F) and a warm 33°C (92°F), leading to a comfortable average of 19°C (66°F). Although August has a higher total precipitation of 152 mm (6.0 in) over 16 days, the humidity drops to 77%, making the summer month feel more pleasant. For a closer look at August weather specifics, you can visit Biel/Bienne weather in August.
In January, the weather is quite cold, with temperatures ranging from a minimum of -14°C (8°F) to a maximum of 15°C (59°F) and an average of 1°C (33°F). The month sees significant precipitation, totaling 98 mm (3.9 in) over 13 days, accompanied by high humidity at 91%. In contrast, September offers a much milder climate, with temperatures that vary from a minimum of 1°C (34°F) to a comfortable maximum of 29°C (84°F), averaging around 15°C (59°F). Although September experiences slightly less precipitation at 82 mm (3.2 in) over 12 days, the humidity is lower at 81%. For more detailed information, visit Biel/Bienne weather in September.
January and October present contrasting weather patterns. January experiences colder temperatures, with a minimum of -14°C (8°F), and an average of just 1°C (33°F), while October is milder, with a minimum of -2°C (29°F) and an average temperature of 10°C (50°F). Precipitation levels are somewhat similar, with January receiving 98 mm (3.9 in) and October slightly higher at 104 mm (4.1 in), both spread over approximately 13 days. Humidity is also notable; January has a humidity level of 91%, while October's is slightly lower at 89%. For more detailed information, visit Biel/Bienne weather in October.
January weather is typically colder than November, with average temperatures ranging from a minimum of -14°C (8°F) to a maximum of 15°C (59°F), while November enjoys milder conditions with temperatures from -4°C (25°F) to 20°C (68°F). Both months receive similar precipitation levels, with January slightly wetter at 98 mm (3.9 in) compared to November's 84 mm (3.3 in), and each month experiences precipitation on about 13 days. Humidity is also quite high in both months, though slightly higher in January at 91% compared to November's 89%. For more details on November's weather, check out Biel/Bienne weather in November.
In December, temperatures range from a minimum of -8°C (18°F) to a maximum of 13°C (56°F), with an average of 2°C (36°F). The month experiences higher precipitation at 138 mm (5.4 in) over 19 days, maintaining a humidity level of 91%. Conversely, January sees a broader temperature range, with minimums dropping to -14°C (8°F) and maximums peaking at 15°C (59°F), averaging around 1°C (33°F). While January also has high humidity levels of 91%, it experiences slightly less precipitation at 98 mm (3.9 in) over 13 days. For a more detailed look, please visit Biel/Bienne weather in December.
January in Biel/Bienne is a true embodiment of winter, with its chillier temperatures and increased precipitation setting it apart from the milder months of the year. While the city experiences a unique blend of crisp air and frequent rain, the high humidity creates a distinct atmosphere that can feel particularly biting. Unlike the balmy summer months, January's average temperature hovers around 1°C, bringing both frost and the potential for snow. Those looking to discover more about the seasonal contrasts and weather patterns throughout the year can explore detailed insights at Biel/Bienne Climate.