Last updated: August 27, 2025
In January, St. Moritz, Switzerland transforms into a winter wonderland, with temperatures ranging from a brisk maximum of 2°C (36°F) to a chilling minimum of -27°C (-17°F). The average temperature hovers around -11°C (12°F), offering a true taste of alpine cold. With 75 mm (2.9 in) of precipitation spread over 10 days, the snowy landscape is nourished, creating perfect conditions for winter sports enthusiasts. The high humidity of 92% enhances the crisp mountain air, adding to the picturesque beauty of this iconic resort town. Visitors should prepare for a truly exhilarating winter experience!
In January, St. Moritz, Switzerland experiences its coldest temperatures of the year, with a striking average hovering around -11°C (12°F). The month starts with biting lows plummeting to -27°C (-17°F), and while daytime highs struggle to reach 2°C (36°F), the region's glistening snow and stunning landscapes belie the chill. As the winter months progress, February brings an even deeper chill with minimums dipping to -28°C (-18°F). However, a gradual warming trend emerges by March, where the average temperature rises to -5°C (23°F), showcasing the beautiful transition from frigid winter to early spring. Despite the harsh conditions, January remains a spectacular winter wonderland, attracting enthusiasts eager to embrace its serene slopes and picturesque scenery.
In January, St. Moritz experiences an average precipitation of 75 mm (2.9 in) spread over about 10 days, marking the month as a transitional period in the alpine climate. This amount sets the stage for the wetter months to follow, as February and March show an increase in precipitation levels, with March reaching 90 mm (3.5 in) despite more days of rain. Notably, as winter gives way to spring, the subsequent months witness a significant surge in rainfall, peaking in August with 195 mm (7.7 in). Overall, January serves as a precursor to the wetter spring and summer seasons, highlighting the region's dynamic weather patterns and the gradual shift toward a more humid climate as the year progresses.
In January, St. Moritz experiences a high humidity level of 92%, setting the tone for a winter characterized by crisp air and a serene atmosphere. This figure is slightly complemented by February and March, where humidity dips to 89% and 87%, respectively, yet remains notably high throughout the winter months. As spring approaches in April and May, humidity gradually decreases to 84% and 80%, indicating a transition to more moderate conditions. However, the trend of increasing warmth in the summer is met with a slight uptick in humidity, peaking at 83% in July. The fall months see a return to higher humidity, culminating in 90% by both October and December. Overall, January serves as a vivid reminder of St. Moritz's alpine charm, where high humidity is a defining feature of its winter landscape.
In January, St. Moritz experiences a low UV Index of 2, allowing for a comfortable outdoor experience with a burn time of about 45 minutes. As winter wanes and February arrives, the UV Index rises to 4, indicating a moderate exposure category, where sun protection advice becomes a bit more pertinent. March marks a notable shift, with the UV Index climbing to 6, categorized as high; here, sun seekers should be more vigilant with a burn time dropping to just 25 minutes. This upward trend continues dramatically into the spring months, peaking at very high levels of 8 and 9 in April and May, respectively, alongside a consistent burn time of just 15 minutes. The summer months maintain this intensity, reaching a maximum of 10, where skin protection is essential for any outdoor activities. As the year progresses, UV levels begin to ease again, with a gradual decline to moderate and low levels by November and December. For a detailed overview of UV levels throughout the year, visit St. Moritz UV Index.
UV Risk Categories
In January, St. Moritz experiences a crisp embrace of winter sunshine, with 179 hours of sunlight that dance across the snowy landscapes. This month sets the stage for an upward trend, as the days gradually lengthen, leading to 236 hours in February and reaching a peak of 410 hours in July. As spring unfolds, sunshine in March surges to 310 hours, continuing the ascent to 336 hours in April and 359 hours in May. By mid-summer, visitors can bask in the sun's glory, enjoying the longest days of the year. However, as autumn approaches, the hours begin to wane, tapering off to 276 hours in October and falling further to 204 hours in November. This seasonal ebb and flow not only enhances the breathtaking scenery but also enriches the overall experience of this picturesque alpine paradise.
In St. Moritz, Switzerland, the chance of enjoying sunny weather in January stands at a modest 20%, making it one of the cloudier months of the year. This trend continues as the winter deepens, with February showing a notable increase to 37%, signaling a shift towards more favorable weather. As spring approaches, the likelihood of sunshine rises further, peaking in March at 40% before gradually declining in April to 35%. This indicates a gradual transition from winter's short, sunlit days to the more vibrant, sunny spells of spring, encouraging visitors to plan their outdoor activities accordingly. With each passing month, the prospect of sunshine improves, showcasing how St. Moritz transforms as the seasons change.
In January, St. Moritz basks in approximately 9 hours of daylight, setting the stage for a magical winter landscape. As the month progresses into February, the days gradually lengthen to 10 hours, hinting at the approaching spring. This trend continues through March, where daylight extends to 11 hours, encouraging outdoor adventures amidst the snow-covered peaks. By the time April arrives, daylight surges to 13 hours, inviting residents and visitors alike to embrace the vibrant alpine flora that begins to emerge. The celebration of daylight culminates in the summer months of May through July, boasting a consistent 15 hours of sunshine, ideal for hiking and exploring the stunning surroundings. After this peak, daylight begins to taper off in August with 14 hours, followed by a gradual decline through September and October, where daylight returns to 10 hours. The year closes out in November and December with shorter days, landing at 9 hours and a mere 8 hours, respectively, echoing the cozy charm of winter nights. Overall, St. Moritz displays a beautiful rhythm of daylight, transitioning seamlessly from the crisp winter months through the sun-soaked summer, before re-entering the serene embrace of winter once again.
In January, St. Moritz experiences a gentle breeze, with an average wind speed of 1.6 m/s (4 mph), setting a serene tone for the winter wonderland. This winter month marks a consistent overall wind pattern, as February sees a slight dip to 1.2 m/s (3 mph), creating a more tranquil atmosphere ideal for snow activities. However, as spring approaches, winds pick up again in March and maintain their pace through April and May, all hovering around the 1.6-1.7 m/s (4-4 mph) range. The summer months remain relatively stable, with wind speeds only slightly decreasing to 1.5 m/s in August. This trend continues with mild fluctuations until November, where the winds subtly shift, returning to 1.4 m/s before reaching a refreshing 1.7 m/s in December. Overall, January stands out as a month of inviting breeziness, harmonizing beautifully with the crisp winter landscape.
Weather in St. Moritz varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in St. Moritz, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February in St. Moritz exhibit distinct weather patterns. January typically experiences slightly milder conditions with an average temperature of -11°C (12°F) and maximums reaching 2°C (36°F). In contrast, February is a touch colder, with an average of -8°C (18°F) and maximums climbing to 6°C (43°F). Rainfall is more frequent in January, with 75 mm (2.9 in) over 10 days, while February sees less precipitation at 59 mm (2.3 in) over 11 days. Despite these differences, both months maintain high humidity levels, with January at 92% and February at 89%. For a detailed look at February weather, you can visit St. Moritz weather in February.
In January, temperatures typically plummet to a minimum of -27°C (-17°F), with an average of -11°C (12°F) and a maximum of just 2°C (36°F). With high humidity at 92%, January's weather feels particularly harsh, compounded by 75 mm (2.9 in) of precipitation over about 10 days. In contrast, March brings slightly milder conditions, featuring a minimum temperature of -26°C (-14°F), an average of -5°C (23°F), and a maximum reaching 11°C (52°F). While March sees a slight increase in precipitation to 90 mm (3.5 in) over roughly 13 days, humidity decreases to 87%. This shift in weather makes March a more temperate month, offering a refreshing change to the brutal cold of January. For more information, check out St. Moritz weather in March.
January and April present striking differences in weather patterns. In January, temperatures can plunge as low as -27°C (-17°F), with an average of -11°C (12°F) and a maximum of only 2°C (36°F). The month also sees significant precipitation, totaling 75 mm (2.9 in) over about 10 days, accompanied by high humidity levels at 92%. In contrast, April experiences a milder climate, with temperatures ranging from a minimum of -19°C (-1°F) to an average of -1°C (31°F) and a maximum of 12°C (54°F). Precipitation increases slightly to 99 mm (3.9 in) across approximately 12 days, while humidity drops to 84%. For more details about the weather conditions in April, you can check St. Moritz weather in April.
In January, St. Moritz experiences frigid temperatures, with averages hovering around -11°C (12°F) and minimums plunging to -27°C (-17°F). The weather is characterized by high humidity at 92% and approximately 75 mm (2.9 in) of precipitation over about 10 days. In sharp contrast, May brings a significant warming trend, with average temperatures rising to 3°C (38°F) and maximums reaching up to 18°C (65°F). Although May sees increased precipitation at 150 mm (5.9 in) over 22 days, the humidity level drops to 80%. For more detailed insights, you can check St. Moritz weather in May.
In January, St. Moritz experiences a bitterly cold climate, with temperatures ranging from a frigid -27°C (-17°F) to a relatively warmer max of 2°C (36°F). The month sees an average temperature of -11°C (12°F) and high humidity at 92%, resulting in a winter wonderland with significant snowfall, totaling 75 mm over about 10 days. In contrast, June brings a dramatic change, with temperatures rising considerably to a minimum of -2°C (28°F) and a peak of 25°C (77°F), averaging around 9°C (49°F). Although June has more precipitation at 159 mm over 19 days, the weather is generally milder and more conducive to outdoor activities. For a detailed look at the June climate in this picturesque location, visit St. Moritz weather in June.
In January, St. Moritz experiences harsh winter conditions with average temperatures hovering around -11°C (12°F), where it can drop as low as -27°C (-17°F). The month sees around 75 mm (2.9 in) of precipitation over about 10 days, accompanied by high humidity levels of 92%, creating a frosty atmosphere. In contrast, July brings a significant warming trend, with average temperatures rising to 10°C (51°F) and highs reaching 23°C (73°F). This summer month receives more rainfall, totaling 159 mm (6.3 in) across about 21 days, but the humidity lowers to 83%, contributing to a more pleasant climate. For more detailed insights, check out St. Moritz weather in July.
January and August present stark contrasts in weather. In January, temperatures frequently plunge to a chilling minimum of -27°C (-17°F), with an average low of -11°C (12°F) and a maximum of just 2°C (36°F). The month is characterized by high humidity of 92% and experiences about 75 mm (2.9 in) of precipitation over 10 days. In contrast, August brings milder conditions, with minimum temperatures of 0°C (33°F), average temperatures around 10°C (51°F), and a maximum that reaches 21°C (70°F). This summer month experiences higher rainfall, totaling 195 mm (7.7 in) across approximately 21 days, along with a lower humidity of 80%. For those interested in more details about the summer climate, check out St. Moritz weather in August.
In January, St. Moritz experiences frigid temperatures, with a minimum of -27°C (-17°F) and an average of -11°C (12°F), while only reaching a maximum of 2°C (36°F). This month also sees significant precipitation, totaling 75 mm (2.9 in) over about 10 days, with a high humidity level of 92%. In stark contrast, September brings milder weather, where temperatures range from a minimum of -12°C (11°F) to an average of 6°C (44°F) and a pleasant maximum of 18°C (65°F). Additionally, September is wetter, with 126 mm (5.0 in) of precipitation over 15 days, though the humidity drops slightly to 83%. For more information, you can check out St. Moritz weather in September.
In January, temperatures are significantly colder, with minimums plunging to -27°C (-17°F) and an average of -11°C (12°F), while October sees milder weather, with minimums around -10°C (14°F) and average temperatures of 2°C (36°F). Precipitation is more abundant in October, totaling 148 mm (5.8 in) over 11 days compared to January's 75 mm (2.9 in) over 10 days. Additionally, humidity levels remain high in both months, with January at 92% and October slightly lower at 90%. For a detailed look at the climate in October, check out St. Moritz weather in October.
In January, the weather is characterized by extremely cold temperatures, with a minimum of -27°C (-17°F) and an average of -11°C (12°F), peaking only at 2°C (36°F). The month sees a total precipitation of 75 mm (2.9 in) over about 10 days, accompanied by high humidity levels at 92%. In contrast, November experiences slightly milder conditions, with temperatures ranging from a minimum of -22°C (-8°F) to a maximum of 8°C (47°F) and an average temperature of -4°C (25°F). November also has more precipitation, totaling 132 mm (5.2 in) over 14 days, and a humidity level of 88%. For more details, you can refer to St. Moritz weather in November.
In comparing the weather between January and December, January tends to be slightly colder, with an average temperature of -11°C (12°F) compared to December's average of -9°C (16°F). Both months experience maximum temperatures around 2°C (36-37°F), but January features a minimum temperature of -27°C (-17°F), which is just a touch colder than December's minimum of -26°C (-14°F). Precipitation is notably higher in December, with 125 mm (4.9 in) falling over 15 days, compared to January's 75 mm (2.9 in) over 10 days. Humidity levels are quite high in both months, with January at 92% and December slightly lower at 90%. For a more detailed look at December conditions, you can explore St. Moritz weather in December.
In January, St. Moritz transforms into a winter wonderland, characterized by its chilly temperatures that set it apart from the milder months of the year. With average lows reaching -11°C and occasional drops to -27°C, visitors need to bundle up to fully embrace the stunning snowy landscapes. The humidity remains high at 92%, contributing to a unique cold that is both crisp and invigorating. While precipitation occurs on about ten days of the month, the 75 mm of snowfall lays a perfect foundation for skiing and snow sports, making January an exceptional time for winter enthusiasts. For a deeper understanding of what to expect throughout the year, explore St. Moritz Climate.