January Weather in Interlaken, Switzerland

Last updated: August 27, 2025

In January, Interlaken presents a chilly charm with average temperatures hovering around -3°C (26°F). Visitors can expect a maximum temperature of 9°C (48°F), but nighttime can plunge to a brisk -19°C (-1°F), showcasing the area's winter chill. With an average precipitation of 123 mm (4.9 in) over 12 days, the skies frequently greet locals and tourists alike, often blanketing the landscape in a serene layer of snow. An impressive 92% humidity envelops the region, enhancing the crisp, refreshing mountain air. Whether you're drawn to winter sports or simply savoring the tranquil beauty, January in Interlaken is a captivating experience.

January Temperature in Interlaken

In January, Interlaken, Switzerland, experiences a chilly embrace, with temperatures ranging from a brisk -19°C (-1°F) at night to a mild 9°C (48°F) during the day. The average temperature settles around -3°C (26°F), setting the stage for a winter wonderland. This month marks a significant drop compared to the subsequent February, where the minimum temperature only dips to -18°C (0°F), showcasing a gradual warming trend as winter begins to loosen its grip. By March, the landscape transforms further, with daytime highs reaching 16°C (60°F), hinting at the upcoming melt of winter snow. Overall, January sets the tone for a beautiful, snowy season, gradually paving the way for the gentle rise in temperatures that will follow in the ensuing months.

January Weather in Interlaken: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Interlaken, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Interlaken, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec263035414857605953453529
Data source: Temperature data for Interlaken generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Interlaken

January in Interlaken, Switzerland, marks a noteworthy start to the year with precipitation measuring 123 mm (4.9 in) over 12 days. This consistent rainfall sets a pattern that evolves into the wetter months, peaking in June with a significant 225 mm (8.9 in). Interestingly, January's precipitation is slightly lower than that of March, suggesting a gradual increase in wet weather as winter transitions to spring. As the season progresses, rainfall totals notably rise, especially in May and June, making this region lush and vibrant. This trend of increasing precipitation continues, highlighting Interlaken’s dynamic climate and its charming transformation throughout the year.

January Precipitation Trends in Interlaken

The chart displays monthly precipitation patterns in Interlaken, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Interlaken, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1231031259418222521920312413897175
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Interlaken

In January, Interlaken experiences a high humidity level of 92%, creating a cool and crisp atmosphere that characterizes the heart of winter. As the year progresses, humidity gradually decreases, reaching 89% in February and 87% in March, signaling a shift towards milder spring conditions. The trend continues into April and May, where humidity drops to 84% and 80%, respectively, allowing for more comfortable temperatures. However, the summer months see a slight rise again, with humidity hovering around the 80% mark from June to August. As autumn approaches, humidity levels begin to climb once more, peaking at 90% in October before settling at 88% in November and returning to 90% in December. Throughout the year, Interlaken's humidity reflects the region's distinct seasonal rhythms, enhancing its enchanting beauty in every season.

January Average Humidity in Interlaken

This chart illustrates the average monthly humidity levels in Interlaken, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Interlaken is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Interlaken

In January, Interlaken experiences a low UV Index of 2, indicating minimal sun exposure risk with a burn time of 45 minutes. As the month transitions to February, the UV Index rises to 4, marking a shift to moderate exposure, where one should be slightly more cautious with 30 minutes until burns can occur. This upward trend continues into March and April, where the index jumps to 6 and 7, respectively, both classified as high exposure levels, necessitating vigilance as the burn time shortens to 25 minutes. However, the peak intensity arrives in the late spring and summer months, with May and June reaching a very high UV Index of 9 and 10, demanding protective measures within just 15 minutes of sun exposure. As the year progresses into autumn, UV levels decrease, with September and October showing a return to moderate levels, making it essential to stay aware of changing conditions. For more detailed information on sun exposure in this picturesque region, explore Interlaken UV Index.

Maximum UV Index Levels in Interlaken for January

The chart shows the monthly maximum UV Index (UVI) for Interlaken in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Interlaken typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Interlaken January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Interlaken

In January, Interlaken enjoys 169 hours of sunlight, setting the stage for the gradual increase in brightness as winter transitions into spring. By February, days lengthen significantly, boasting 229 hours of sun—a subtle herald of brighter days ahead. March brings even more light, with 299 hours illuminating this picturesque Swiss town. As the year progresses, sunshine peaks in the summer months, reaching a glorious 416 hours in July. However, this bounty starts to wane as August gives way to the cooler months, tapering down to 384 hours. By the time autumn rolls in, sunlight begins its descent, dropping to 285 hours by October and further to 195 hours in December. This rhythmic dance of daylight not only guides the seasons but also invites visitors to revel in Interlaken’s stunning landscapes throughout the year.

Monthly Sunshine Duration in Interlaken: January Highlighted

The January sunshine duration represents the total number of hours Interlaken experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec169h229h299h356h361h386h416h384h322h285h230h195h
Data source: Interlaken January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Interlaken During January

In January, the chances of enjoying sunny weather in Interlaken, Switzerland, hover at a modest 19%. This marks the lowest probability for sunshine compared to the rest of the year, with February experiencing a notable uptick to 38%. As spring approaches, the likelihood of clear skies significantly improves, reaching 44% in March and 48% in April. After the peak in spring, the probabilities fluctuate, with May seeing a drop to 31%, but continue to remain above 30% through the summer months. This upward trend in the likelihood of sunshine indicates that while January may offer limited sunny days, hope for brighter weather is just around the corner as the year progresses.

Percentage of Sunny Days in January in Interlaken

The chart illustrates the percentage of sunny days in Interlaken throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Interlaken experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%39%44%48%31%33%34%38%38%43%35%41%
Data source: Interlaken January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Interlaken in January

In Interlaken, Switzerland, January marks the beginning of the year with a modest 9 hours of daylight, gradually increasing as the days lengthen. By February, daylight extends to 10 hours, signaling the first signs of spring. March continues this trend with 11 hours of light, paving the way for the arrival of longer days in April, when daylight reaches 13 hours. The peak of daylight occurs in the summer months, with 15 hours of sunshine in both May and June, providing ample time for outdoor adventures. As summer wanes, daylight begins to decrease, with August offering 14 hours and September dropping to 12 hours. The decline continues into October at 10 hours, reflecting the shift towards winter. By November and December, daylight dwindles back to 9 hours and a mere 8 hours, closing the year in a cozy embrace of shorter days, a reminder of the seasonal rhythm that characterizes this picturesque region.

Average Daylight Hours in Interlaken for January

The chart illustrates the variation in daylight duration in Interlaken throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h10h 18m11h 56m13h 36m15h 2m15h 46m15h 22m14h 6m12h 30m10h 50m9h 22m8h 36m
Data source: Interlaken daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Interlaken

In January, Interlaken experiences a gentle breeze, with an average wind speed of 1.6 m/s (4 mph), creating a tranquil atmosphere perfect for winter activities. As the season progresses into February, the wind picks up slightly to 1.7 m/s (4 mph), adding a touch of invigorating freshness to the air. However, by March and April, the winds calm again to 1.5 m/s (3 mph), providing serenity amidst the blooming spring scenery. A consistent pattern emerges as the warmer months approach, with wind speeds hovering around 1.3 to 1.6 m/s (3 to 4 mph) from June to September, offering a mild backdrop for outdoor adventures. Interestingly, the winds regain a bit of their earlier briskness in November and December, closing the year with speeds matching those of January and February. This subtle interplay of seasonal winds enhances Interlaken's enchanting charm, inviting visitors to explore its stunning landscapes.

Average January Wind Speed in Interlaken

The chart displays monthly wind speed patterns in Interlaken, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.6 m/s1.71.51.51.61.31.41.31.31.51.51.7
Data source: Interlaken January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Interlaken Compares to Other Months

Weather in Interlaken varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Interlaken, focusing on differences in temperature, rainfall, humidity, and UV levels.

January and February exhibit notable differences in weather conditions. January tends to be colder, with average temperatures hovering around -3°C (26°F), while February sees a slight warming trend, with an average of -1°C (31°F). Although both months experience low temperatures, February showcases a higher maximum temperature at 14°C (58°F) compared to January's 9°C (48°F). Precipitation is fairly consistent between the two months, with January receiving 123 mm (4.9 in) of rain over 12 days, while February has slightly less at 103 mm (4.0 in) across 11 days. Additionally, February's humidity is marginally lower at 89% compared to January's 92%. For more detailed information about weather conditions in February, visit Interlaken weather in February.

In January, the weather is generally colder, with average temperatures hovering around -3°C (26°F) and a maximum of 9°C (48°F). In contrast, March sees a slight increase in average temperature to 2°C (36°F), with highs reaching up to 16°C (60°F). Both months experience similar levels of precipitation, with January receiving 123 mm (4.9 in) over 12 days and March slightly higher at 125 mm (4.9 in) over 15 days. The humidity levels also differ slightly, as January has a higher humidity of 92% compared to March's 87%. For more details on March weather in the region, you can check Interlaken weather in March.

January weather in Interlaken is characterized by cold temperatures, with a minimum of -19°C (-1°F) and an average around -3°C (26°F), while the maximum can reach 9°C (48°F). This month also sees significant precipitation, totaling 123 mm (4.9 in) over 12 days, coupled with high humidity at 92%. In contrast, April brings a noticeable warming trend, with minimum temperatures rising to -12°C (10°F) and an average of 5°C (42°F), reaching a maximum of 19°C (67°F). Although precipitation decreases to 94 mm (3.7 in) over the same number of days, humidity dips slightly to 84%. For more detailed insights, check out Interlaken weather in April.

In January, temperatures are notably colder, with averages around -3°C (26°F) and a maximum of just 9°C (48°F), while May sees a significant warming trend, boasting average temperatures of 9°C (48°F) and peaks reaching 25°C (78°F). Precipitation is also higher in May at 182 mm (7.2 in) over 19 days, compared to January's 123 mm (4.9 in) over just 12 days. Additionally, humidity levels drop from a chilly 92% in January to a more moderate 80% in May, creating a stark contrast in weather between the two months. For a more detailed look at conditions during this month, visit Interlaken weather in May.

In January, temperatures can plunge as low as -19°C (-1°F), with an average of -3°C (26°F) and a maximum reaching 9°C (48°F). The month is characterized by high humidity at 92% and a considerable amount of precipitation, totaling 123 mm (4.9 in) over about 12 days. In contrast, June brings a much milder climate, with temperatures ranging from a minimum of 1°C (34°F) to a pleasant maximum of 29°C (85°F) and an average of 14°C (57°F). Although June experiences more precipitation at 225 mm (8.9 in) over 18 days, the humidity is slightly lower at 82%. For those interested in knowing more about the June weather specifics, you can check this link: Interlaken weather in June.

January and July present strikingly different weather characteristics. In January, temperatures can plunge to a minimum of -19°C (−1°F), with an average of -3°C (26°F) and a maximum of 9°C (48°F). Humidity levels are high at 92%, and the month sees about 123 mm (4.9 in) of precipitation over 12 days, often in the form of snow. In contrast, July brings much warmer conditions, with temperatures ranging from a minimum of 5°C (41°F) to a pleasant average of 15°C (60°F) and a maximum of 29°C (84°F). Although it is summertime, it still experiences significant precipitation, averaging 219 mm (8.6 in) over 18 days, but with lower humidity at 83%. For more details about the weather specifics in July, check out Interlaken weather in July.

In January, the weather is harsh and cold, with temperatures ranging from a frigid -19°C (1°F) to a maximum of 9°C (48°F) and an average of -3°C (26°F). The month sees significant precipitation, totaling 123 mm (4.9 in) over approximately 12 days, along with high humidity levels at 92%.

In contrast, August offers a milder and more welcoming climate, with temperatures fluctuating between 5°C (41°F) and a pleasant 28°C (82°F), and an average of 15°C (59°F). While August experiences more precipitation—203 mm (8.0 in) spread across 18 days—the humidity is lower at 80%. For a closer look at August weather, you can check out Interlaken weather in August.

January and September showcase stark contrasts in weather. In January, temperatures plunge to a minimum of -19°C (-1°F) and average around -3°C (26°F), while September enjoys milder temperatures, featuring a minimum of 0°C (32°F) and an average of 11°C (53°F). Both months see similar levels of precipitation, with January receiving 123 mm (4.9 in) over 12 days and September slightly higher at 124 mm (4.9 in) over 14 days. Additionally, humidity levels are higher in January at 92%, compared to 83% in September, creating a chillier and damp atmosphere during the winter month. For more detailed weather insights, check out Interlaken weather in September.

In January, temperatures can plummet as low as -19°C (-1°F), with an average of -3°C (26°F) and a maximum of 9°C (48°F), creating a chilly atmosphere complemented by high humidity at 92%. The month also experiences significant precipitation, totaling 123 mm (4.9 in) over about 12 days. In contrast, October offers a milder climate, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 19°C (67°F), and an average temperature of 7°C (45°F). While it receives slightly more precipitation at 138 mm (5.4 in), it does so over a similar number of days (13), and the humidity remains somewhat lower at 90%. For a detailed look at weather conditions, you can explore Interlaken weather in October.

January brings significantly colder temperatures, with minimums reaching as low as -19°C (-1°F) and an average of -3°C (26°F), whereas November is milder, featuring minimums of -10°C (13°F) and an average temperature of 2°C (35°F). Precipitation levels are relatively high in both months, with January seeing 123 mm (4.9 in) over 12 days and November recording 97 mm (3.8 in) across 13 days. Additionally, the humidity is slightly higher in January at 92%, compared to November’s 88%. For those interested in more details on how the weather shapes up, you can check out Interlaken weather in November.

In comparing the weather of January and December, January tends to be slightly colder, with average temperatures hovering around -3°C (26°F), while December's average stands at -2°C (29°F). January also experiences a more significant drop in minimum temperatures, reaching lows of -19°C (-1°F) compared to December's minimum of -13°C (8°F). Additionally, January sees less precipitation overall at 123 mm (4.9 in) over 12 days, whereas December has higher precipitation levels of 175 mm (6.9 in) spread across 17 days. Despite January’s slightly colder conditions, both months maintain high humidity, around 92% in January and 90% in December. For more detailed insights on December weather, you can check Interlaken weather in December.

Compare Interlaken's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Interlaken

January in Interlaken presents a striking contrast to the warmer months, with temperatures often hovering around freezing and nights dipping significantly lower. This winter month is characterized by high humidity levels reaching up to 92%, which can make the chill feel even more pronounced. The frequent precipitation, accumulating nearly 123 mm over 12 days, adds to the wintry atmosphere, often transforming the landscape into a picturesque snow-covered wonderland. For those seeking to experience the serene beauty of a Swiss winter, January offers a unique charm that sets it apart from the milder, sunnier months. To learn more about the overall climate, visit Interlaken Climate.