Last updated: August 27, 2025
In January, Lenzburg, Switzerland experiences a striking temperature range with highs reaching 16°C (61°F) and lows plummeting to a chilly -15°C (6°F). The average temperature hovers around 1°C (34°F), providing a wintry backdrop for both locals and visitors. This month sees a significant amount of precipitation, totaling 91 mm (3.6 in) over approximately 11 days, contributing to the region's lush scenery. Coupled with a humidity level of 92%, January in Lenzburg is marked by a crisp and invigorating winter atmosphere, perfect for those who enjoy the beauty of the Swiss winter landscape.
In Lenzburg, Switzerland, January presents a stark winter landscape, with temperatures ranging from a frigid -15°C (6°F) to a milder 16°C (61°F). The average temperature hovers around 1°C (34°F), indicative of a chill that permeates the air, yet offers a hint of warmth during the midday hours. As the month progresses towards February, we see a slight warming trend; minimum temperatures rise to -10°C (14°F) and the average inches up to 3°C (39°F). This pattern of gradual warming continues into March, where the averages reach 6°C (43°F), giving way to the first signs of spring. Despite these fluctuations, January stands out as a month of stark contrasts, showcasing Lenzburg's crisp winters and the anticipation of the warming months ahead.
In January, Lenzburg, Switzerland, experiences a notable shift in weather, characterized by an average precipitation of 91 mm (3.6 in) over 11 days. This early winter month lays the groundwork for the wetter seasons to come, as it precedes February's slightly lower precipitation of 76 mm (3.0 in). As spring approaches, the precipitation amount varies, with March receiving 88 mm (3.5 in) across 14 days, hinting at a gradual increase in rainfall. Interestingly, the trend peaks in late spring and summer, with May and August recording their highest precipitation levels at 132 mm (5.2 in) and 141 mm (5.5 in), respectively. This seasonal progression underscores the significance of January as a precursor to the typically more humid months ahead while balancing out its somewhat muted precipitation days. Overall, January serves as an essential chapter in Lenzburg’s weather narrative, balancing the transition from the dry winter to the lush, rain-soaked summer months.
In Lenzburg, Switzerland, January greets residents with a notable humidity level of 92%, setting the stage for a damp and chilly start to the year. This propensity for high humidity persists into the colder months, with October and December also showcasing elevated percentages at 90%. However, as spring arrives, a gradual decline is observed, with humidity dropping to 84% in April and reaching its lowest point of 80% in May and August. The trend tends to rebound slightly as summer transitions into autumn, with September recording 83%. Overall, January's high humidity can be seen as part of a broader seasonal pattern that significantly influences Lenzburg's climate throughout the year.
In January, Lenzburg, Switzerland experiences a low UV Index of 2, allowing for a burn time of about 45 minutes without significant risk of skin damage. This trend of relatively mild UV exposure continues into November, which also features an index of 2, and a low December index of just 1 that affords 45 minutes of safe sun exposure. However, as winter gives way to spring, the UV Index steadily rises, reaching moderate levels by February and March, with the index peaking at 6 in April. From May to August, the intensity escalates to very high levels, illustrated by indices of 8 and 9, resulting in a rapid decrease in safe sun exposure to just 15 minutes. As the year winds down, the UV Index decreases, landing back at a moderate level in October before stabilizing at low values for the final months of the year. This dynamic progression of UV levels highlights the importance of staying informed about sun safety year-round. For more detailed insights, visit Lenzburg UV Index.
UV Risk Categories
In Lenzburg, Switzerland, January may start with a modest 145 hours of sunshine, but it sets the stage for a remarkable upward trajectory as the months progress. February brings a notable increase to 215 hours, hinting at the arrival of longer, brighter days. By March, sunshine hours surge to 287, and by the time spring is in full bloom, April delights with 356 hours. The trend continues to peak in the summer, where July basks in 413 hours of radiant sunshine. As the year transitions into autumn, sunlight begins to wane—August still holds 380 hours, but September reports a drop to 321. The lingering warmth fades further through October and November, finally resting at 198 hours before December closes the year with 165. This seasonal cycle beautifully illustrates a lively contrast between the long, sun-soaked days of summer and the shorter, chillier months that follow, encapsulating the charm of Lenzburg's weather throughout the year.
In Lenzburg, Switzerland, the likelihood of enjoying sunny weather in January is relatively low, with only a 16% chance of sunshine. This trend of limited sunlight extends into winter, making January one of the cloudiest months of the year. As the seasons transition into spring, however, the likelihood of sunny days begins to increase significantly, with February seeing a jump to 37% and March further improving to 47%. By April, residents can look forward to nearly half the month bathed in sunlight at 49%. This upward trend hints at the gradual return of warmth and brightness, heralding the arrival of more sunlit days as winter gives way to spring's embrace.
In Lenzburg, Switzerland, January marks the beginning of a gradual increase in daylight, with approximately 8 hours illuminating the days. As the month transitions into February, the sun graces the region with 10 hours of light, heralding the approach of spring. By March, daylight further extends to 11 hours, and the days continue to grow longer into April, when residents experience a remarkable 13 hours of sunshine. As the vibrant energy of May arrives, daylight peaks at 15 hours, a duration that remains consistent throughout June and July. However, as summer wanes into August, daylight begins to retreat slightly, offering 14 hours before a more pronounced decrease kicks in during the fall months. By October, daylight dwindles to 10 hours, continuing to shorten in November at 9 hours, and reverting back to 8 hours by December, completing the cycle. This rhythm of varying daylight not only marks the changing seasons but also invites the community to embrace the unique charm each month brings.
In January, Lenzburg, Switzerland, welcomes the year with a gentle breeze, recording an average wind speed of 2.6 m/s (6 mph). This marks the start of a subtle decline in windiness, as the following months show a gradual decrease, reaching a low of 1.7 m/s (4 mph) in both June and September. Interestingly, as spring unfolds, April and May see a slight uptick, with winds picking up again to 2.4 m/s (5 mph) and 2.8 m/s (6 mph), respectively. As the seasons transition into summer, the winds retreat once more, stabilizing around 1.9 m/s (4 mph) in the hotter months before gradually increasing again in late autumn, hinting at the cyclical nature of Lenzburg's windy weather. Overall, January sets a gentle tone that feels both inviting and serene, offering a glimpse of the variability to come throughout the year.
Weather in Lenzburg varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Lenzburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures in Lenzburg can drop to a minimum of -15°C (6°F), with an average temperature of 1°C (34°F) and a maximum reaching 16°C (61°F). The month experiences considerable precipitation at 91 mm (3.6 in) over 11 days, coupled with high humidity levels of 92%. In contrast, February sees slightly milder temperatures, with a minimum of -10°C (14°F), an average of 3°C (39°F), and a maximum of 18°C (65°F). Precipitation in February is lower at 76 mm (3.0 in), also spread over 11 days, and humidity decreases slightly to 89%. These variations reflect a transition towards the somewhat warmer conditions typical of late winter. For more detailed information, check out Lenzburg weather in February.
In January, the weather tends to be quite cold, with average temperatures hovering around 1°C (34°F) and dipping as low as -15°C (6°F). This month also sees significant precipitation, with around 91 mm (3.6 in) falling over approximately 11 days, and the humidity remains high at 92%.
In contrast, March offers a notable shift, with average temperatures rising to 6°C (43°F) and daily highs reaching up to 21°C (70°F). Despite slightly lower total precipitation at 88 mm (3.5 in) spread over 14 days, humidity decreases to 87%. This overall increase in temperature and decrease in humidity paint a picture of a transitioning season. For more detailed information, you can check Lenzburg weather in March.
In January, the weather is significantly colder, with temperatures ranging from a frigid -15°C (6°F) at night to a slightly warmer 16°C (61°F) during the day, averaging around 1°C (34°F). This month also brings considerable precipitation, accumulating to 91 mm over 11 days, and the humidity remains high at 92%. In contrast, April experiences a much milder climate with minimum temperatures of -4°C (25°F) and maximums reaching up to 26°C (80°F), resulting in an average of 10°C (50°F). The precipitation decreases to 60 mm over 10 days, and humidity levels drop to 84%, creating a more comfortable atmosphere. For a closer look at what to expect weather-wise during this spring month, you can check out Lenzburg weather in April.
January and May present a striking contrast in weather conditions. In January, temperatures can plummet as low as -15°C (6°F), with an average of just 1°C (34°F) and a maximum of 16°C (61°F). The month is characterized by high humidity at 92% and 11 days of precipitation totaling 91 mm (3.6 in). Conversely, May brings a significant warming trend, with minimum temperatures around -1°C (31°F) and averages soaring to 13°C (56°F), peaking at a balmy maximum of 30°C (86°F). However, rain is more frequent in May, with 132 mm (5.2 in) of precipitation over 16 days, along with a lower humidity level of 80%. For further details on May's weather specifics, you can explore Lenzburg weather in May.
January and June present stark contrasts in weather conditions. In January, temperatures are quite cold, ranging from a low of -15°C (6°F) to a mild high of 16°C (61°F), with an average of about 1°C (34°F). This month typically sees 91 mm (3.6 in) of precipitation over 11 days and high humidity at 92%. In contrast, June offers much warmer temperatures, with a minimum of 6°C (44°F) and a maximum reaching up to 34°C (94°F), averaging around 19°C (66°F). Rainfall increases to 133 mm (5.2 in) over 16 days, coupled with a slightly lower humidity of 82%. For more detailed insights, you can check Lenzburg weather in June.
January weather contrasts sharply with that of July. In January, temperatures can plummet to a minimum of -15°C (6°F), with an average temperature around 1°C (34°F) and a maximum reaching 16°C (61°F). The month experiences significant precipitation, measuring around 91 mm (3.6 in) over 11 days and maintaining a high humidity level of 92%. In comparison, July boasts much warmer conditions, with temperatures ranging from a minimum of 8°C (47°F) to an average of 20°C (68°F) and highs up to 35°C (95°F). This summer month is also wetter, receiving about 128 mm (5.1 in) of rain across 16 days, though humidity is slightly lower at 83%. For more details on July weather, you can visit Lenzburg weather in July.
January and August present contrasting weather patterns. In January, temperatures can drop as low as -15°C (6°F), with an average chill of around 1°C (34°F) and occasional highs reaching up to 16°C (61°F). The month also sees significant precipitation, totaling 91 mm (3.6 in) over about 11 days, and high humidity at 92%. In contrast, August boasts a much milder climate, with minimum temperatures of 7°C (45°F) and averages around 19°C (67°F), peaking at 34°C (94°F). Although August has more precipitation at 141 mm (5.5 in) over 15 days, the humidity is relatively lower at 80%, making the warm summer days feel more comfortable. For more details, check out Lenzburg weather in August.
January and September present strikingly different weather patterns. In January, temperatures can drop as low as -15°C (6°F), with an average of 1°C (34°F) and highs reaching 16°C (61°F). The month is characterized by high humidity at 92% and considerable precipitation of 91 mm (3.6 in) over 11 days, often contributing to a wintry atmosphere. In contrast, September enjoys milder conditions, with temperatures ranging from a minimum of 2°C (35°F) to an average of 15°C (60°F) and highs peaking at 29°C (84°F). Although slightly less wet, September still sees 82 mm (3.2 in) of precipitation over 12 days and lower humidity at 83%, creating a more comfortable and pleasant climate. For a detailed overview of September weather, you can refer to Lenzburg weather in September.
In January, temperatures can drop to a chilling minimum of -15°C (6°F), while the average hovers around 1°C (34°F), offering a stark contrast to the milder October temperatures, where the minimum is a more moderate -1°C (31°F) and the average rises to 10°C (51°F). Both months experience similar precipitation levels—around 91 mm (3.6 in) in January and 92 mm (3.6 in) in October—but January sees slightly less rain spread over 11 days compared to October's 13 rainy days. January’s humidity is also higher at 92%, while October stays slightly lower at 90%. For a closer look at the October weather specifics, you can explore Lenzburg weather in October.
In January, the weather is significantly colder, with minimum temperatures dropping to -15°C (6°F) and an average of just 1°C (34°F), contrasted with November, where the minimum is a milder -4°C (26°F) and the average reaches 5°C (41°F). Despite the chill, January sees slightly more precipitation at 91 mm (3.6 in) over 11 days, while November experiences 67 mm (2.7 in) across 12 days, showcasing a wetter but less severe winter feel. Additionally, humidity levels are high in both months, with January at 92% and November at 88%, but the colder January air can feel more biting due to the lower temperatures. For those wanting to explore what November has to offer, more details can be found here: Lenzburg weather in November.
Comparing the weather between January and December, we see that January experiences colder temperatures overall, with a minimum of -15°C (6°F) and an average of 1°C (34°F), whereas December's temperatures range from a minimum of -6°C (21°F) to an average of 3°C (37°F). Additionally, January has less precipitation, totaling 91 mm (3.6 in) over 11 days, compared to December's 125 mm (4.9 in) over 18 days. Despite having similar humidity levels—92% in January and 90% in December—the overall conditions are noticeably harsher in January. For a more detailed look at December weather, you can visit Lenzburg weather in December.
As winter settles in, January in Lenzburg offers a stark contrast to the milder months that precede it. Temperatures plummet, often reaching a chilling minimum of -15°C, while the average remains a brisk 1°C. This month also sees an increase in precipitation, totaling 91 mm over approximately 11 days, contributing to the region's characteristic humidity of 92%. The blend of cool temperatures and notable rainfall makes January a unique time to experience the beauty of Lenzburg's winter landscape. For a deeper understanding of how January fits into the broader trends of the area's weather, explore more at Lenzburg Climate.