January Weather in Rosenheim, Germany

Last updated: February 26, 2025

January in Rosenheim, Germany presents a chilly yet captivating climate. The average temperature hovers around 2°C (35°F), with highs reaching up to 12°C (53°F) and occasional lows plunging to a brisk -13°C (9°F). This month is marked by significant precipitation, totaling about 100 mm (4.0 in) over 15 days, contributing to the region's high humidity levels, averaging at 92%. The blend of cold air and moisture creates a unique atmosphere, making January a time of both serenity and stark beauty in Rosenheim.

January Temperature in Rosenheim

In Rosenheim, Germany, January temperatures embody the chill of winter, featuring a striking minimum of -13°C (9°F) and peaking at a moderate 12°C (53°F), with an average hovering around 2°C (35°F). This month sets the tone for a gradual seasonal transition, as February brings slightly warmer conditions but maintains a similar range, with lows again hitting -13°C (9°F) before nudging up to an average of 3°C (38°F). As spring approaches in March, we see a greater rise in temperatures, with an average ascent to 6°C (42°F) and maximums reaching a pleasant 21°C (71°F). The evolution from the deep freeze of January to the budding warmth of spring highlights a compelling trend, showcasing a steady shift from the biting cold to a more temperate climate, inviting both locals and visitors to embrace the beauty of seasonal change in this charming Bavarian town.

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

The chart illustrates January temperature patterns in Rosenheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353742485564656558514238
Data source: Temperature data for Rosenheim 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 Rosenheim

January in Rosenheim, Germany, sets the stage for a wet winter, with an average precipitation of 100 mm (4.0 in) spread over 15 days. As the first month of the year, it experiences a generous amount of rainfall that exceeds the following month's slightly lower total of 96 mm. This trend highlights a consistent winter pattern, as precipitation typically remains elevated through early spring, with March recording even higher levels at 106 mm. The frequency of rainy days in January lays the foundation for a moist climate, leading into February, while transitioning into the drier months ahead. Overall, January's precipitation serves as a reminder of Rosenheim's dynamic weather, ensuring the landscape remains vibrant and lush as the year unfolds.

January Precipitation Trends in Rosenheim

The chart displays monthly precipitation patterns in Rosenheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec101961064483769082678963142
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Rosenheim

January in Rosenheim, Germany is marked by a notably high humidity level of 92%, setting the tone for the winter months. This robust humidity is a trend that continues into December, where levels remain unchanged, reflecting a season of moisture-laden air. As the year progresses into spring, humidity shows a gradual decline, dropping to 83% in April and further to 76% by May. The summer months witness a slight stabilization around 74% to 75%, indicating a respite from the winter dampness. However, as autumn approaches, a resurgence in humidity occurs, peaking again to 90% in November before returning to January’s climax of 92%. This cyclical pattern underscores Rosenheim's characteristic moist climate, intricately weaving together the seasons with threads of humidity that enhance the region's lush landscape.

January Average Humidity in Rosenheim

This chart illustrates the average monthly humidity levels in Rosenheim, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%83%76%74%74%75%82%88%91%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Rosenheim

In Rosenheim, Germany, January sees a UV Index of 1, indicating a low exposure category where you can safely enjoy the outdoors for about 45 minutes without the risk of sunburn. As the year progresses into February, the UV levels slightly rise to 2, maintaining the same low exposure status. However, a more pronounced shift occurs in March and April, where the UV Index jumps to 4 and 5, respectively, transitioning into a moderate exposure category with reduced burn times of 30 minutes. The summer months amplify the UV intensity, with May peaking at a high Index of 7, followed by very high levels of 8 in both June and July. This sharp increase necessitates greater sun protection as the burn time decreases significantly to just 15 minutes. As the season wanes, September and October see a gradual decline, reflecting a return to moderate levels before arching back to a more stable low exposure in November and December, both at an Index of 1 and 2 respectively, with a consistent burn time of 45 minutes. For those looking to navigate these fluctuations in UV exposure throughout the year, understanding the UV Index is essential. Learn more about the details at Rosenheim UV Index.

Maximum UV Index Levels in Rosenheim for January

The chart shows the monthly maximum UV Index (UVI) for Rosenheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Rosenheim 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 Rosenheim

In Rosenheim, Germany, January heralds the year with a modest 99 hours of sunshine, setting the tone for a gradual increase as winter transitions into spring. The days grow noticeably brighter in February, nearly doubling the sunshine to 193 hours, and by March, the sun shines for 257 hours, signaling the approach of warmer weather. As spring unfolds, April brings 338 hours of sunlight, paving the way for the sunny delights of summer. Come May, residents bask in 384 hours, and June sees a peak at 388 hours. The sunshine continues to blaze through July with 408 hours, making it the sunniest month of the year. In August, hours dip slightly to 378, yet still offer ample light. As autumn rolls in, September provides a generous 312 hours, while October and November experience a soft decline, revealing 224 and 162 hours respectively. By December, the count sinks to 105 hours, culminating the year with a gentle reminder of the cyclical nature of the seasons. Overall, the trend in Rosenheim showcases a delightful progression from the cold gloom of winter to the vibrant brightness of summer, before gracefully ebbing back into the quieter months of fall and winter.

Monthly Sunshine Duration in Rosenheim: January Highlighted

The January sunshine duration represents the total number of hours Rosenheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h193h257h338h384h388h408h378h312h224h162h105h
Data source: Rosenheim January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rosenheim During January

In Rosenheim, Germany, the likelihood of sunny weather in January is quite low, with only an 8% chance of sunshine gracing the skies during this cold winter month. This pattern of limited sunlight is not surprising, as the overall trend shows a gradual increase in sunny days as the year progresses. From January’s bleak 8%, the chances of sun jump significantly to 31% in February and continue to rise, peaking at a pleasant 41% in March. As the seasons change, the sunshine starts to reclaim its presence, indicating that while January may be frosty and overcast, brighter days are just around the corner, promising a warmer and sunnier outlook as spring approaches.

Percentage of Sunny Days in January in Rosenheim

The chart illustrates the percentage of sunny days in Rosenheim 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 Rosenheim experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%31%41%38%27%29%29%30%37%23%17%11%
Data source: Rosenheim January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rosenheim in January

In Rosenheim, Germany, January marks the beginning of the year with a modest 8 hours of daylight, reflecting the tail end of winter’s shorter days. As February transitions in, daylight increases to 10 hours, heralding the approaching spring. By March, the days lengthen further to 11 hours, gradually nudging nature out of its slumber. April dazzles with 13 hours of daylight, while May embraces the warmth with 15 hours, leading into the long, sun-soaked days of June that peak at a generous 16 hours. However, this summer abundance gently wanes in July and August, dipping to 15 and 14 hours respectively. As autumn sets in, daylight recedes to 12 hours in September and 10 hours in October, before returning to the winter pattern of 8 hours in both November and December. This cyclical rhythm of daylight in Rosenheim beautifully illustrates the seasonal shifts, inviting residents to adapt and enjoy each distinct phase of the year.

Average Daylight Hours in Rosenheim for January

The chart illustrates the variation in daylight duration in Rosenheim throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 31m10h 2m11h 55m13h 50m15h 31m16h 23m15h 55m14h 25m12h 34m10h 39m8h 56m8h 2m
Data source: Rosenheim daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Rosenheim

In Rosenheim, Germany, January brings a gentle breeze with an average wind speed of 3.4 m/s (8 mph), setting the tone for the winter months. As the year progresses into February, the winds pick up slightly to 3.6 m/s, showcasing a subtle increase. However, by March, the winds ease again to 3.3 m/s, indicating that winter's grip is still present. A noticeable trend emerges in the warmer months, with April’s winds dropping to 2.9 m/s and continuing to decrease through the summer, reaching their lowest point in June at 2.4 m/s (5 mph). As autumn arrives, the winds begin to pick up pace once more, returning to 3.4 m/s by October, hinting at the seasonal shifts and setting the stage for winter's return. This pattern of wind variability reflects not only the transitions between seasons but also the calming embrace of winter that envelops Rosenheim in January.

Average January Wind Speed in Rosenheim

The chart displays monthly wind speed patterns in Rosenheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.4 m/s3.63.32.93.52.42.52.82.33.42.73.3
Data source: Rosenheim January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Rosenheim Compares to Other Months

The weather in Rosenheim changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Rosenheim and find detailed weather information for every month.

In comparing January and February weather, January tends to be slightly colder, with average temperatures around 2°C (35°F), while February sees a marginal increase with an average of 3°C (38°F). Both months experience similarly low minimum temperatures of -13°C (9°F), but February can warm up to a maximum of 18°C (65°F), outpacing January's maximum of 12°C (53°F). Precipitation levels are comparable, with January receiving 100 mm (4.0 in) over 15 days and February slightly less at 96 mm (3.8 in) over 13 days, accompanied by a slight decrease in humidity from 92% in January to 90% in February. For a closer look at February weather specifics, check out Rosenheim weather in February.

In January, temperatures in Rosenheim are significantly colder, with a minimum of -13°C (9°F) and an average of 2°C (35°F), while March sees a milder average temperature of 6°C (42°F), peaking at 21°C (71°F). Both months experience similar precipitation, with January at 100 mm (4.0 in) and March slightly higher at 106 mm (4.2 in), over approximately 15 days. Additionally, January's humidity stands at a high 92%, whereas March is slightly drier at 87%. For more detailed insights on the weather in March, you can visit Rosenheim weather in March.

In January, weather conditions are quite harsh, with temperatures ranging from a frigid minimum of -13°C (9°F) to a relatively mild maximum of 12°C (53°F), averaging around 2°C (35°F). The month sees considerable precipitation, accumulating to 100 mm (4.0 in) over 15 days, while humidity levels remain high at 92%. In contrast, April offers a much more welcoming climate; temperatures start to rise, with a minimum of -7°C (20°F) and a maximum reaching up to 26°C (79°F), giving an average of 9°C (49°F). Additionally, April has significantly less rainfall, totaling only 44 mm (1.7 in) over 9 days, and a slightly lower humidity of 83%. For a closer look at the weather specifics in April, you can check Rosenheim weather in April.

In January, temperatures in Rosenheim can be quite chilly, with a minimum of -13°C (9°F) and an average of 2°C (35°F), peaking at a mild 12°C (53°F). The month sees significant precipitation, totaling 100 mm (4.0 in) over about 15 days, and maintains a high humidity level of 92%. In contrast, May brings a much warmer climate, with temperatures ranging from a minimum of -1°C (30°F) to a comfortable average of 13°C (55°F), reaching highs of up to 31°C (89°F). Precipitation slightly decreases to 83 mm (3.2 in) over 14 days, and humidity drops to a more pleasant 76%. For more details, you can check Rosenheim weather in May.

In January, the weather is characterized by cold temperatures, with minimums diving as low as -13°C (9°F) and an average hovering around 2°C (35°F). The month is quite damp, experiencing about 100 mm (4.0 in) of precipitation over 15 days, accompanied by high humidity levels of 92%. In contrast, June sees a significant rise in temperatures, with minimums of 6°C (44°F) and averages reaching 18°C (64°F), peaking at a warm 34°C (93°F). While June has lower precipitation at 76 mm (3.0 in) across 12 days, the humidity is also notably reduced to 74%. For more detailed insights about June weather, you can visit Rosenheim weather in June.

January and July present a stark contrast in weather conditions. In January, temperatures can drop to a chilly -13°C (9°F), with an average of around 2°C (35°F) and a maximum of 12°C (53°F). The month sees considerable precipitation of 100 mm (4.0 in) spread over 15 days, with humidity levels high at 92%. In stark opposition, July boasts a much milder climate, with temperatures ranging from a minimum of 7°C (44°F) to a scorching maximum of 37°C (100°F), averaging 18°C (65°F). Precipitation in July is slightly lower at 90 mm (3.6 in) over 11 days, accompanied by reduced humidity at 74%. For a closer look at the weather specifics, check Rosenheim weather in July.

In January, Rosenheim experiences a chilly climate with temperatures ranging from a minimum of -13°C (9°F) to a maximum of 12°C (53°F), averaging around 2°C (35°F). The month sees substantial humidity at 92% and approximately 100 mm (4.0 in) of precipitation over 15 days. In contrast, August brings much warmer weather, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 34°C (94°F) and an average of 18°C (65°F). The humidity decreases to 75%, and precipitation is slightly lower at 82 mm (3.2 in) over the same number of rainy days. For more detailed insights about August weather, you can check Rosenheim weather in August.

In January, Rosenheim experiences a cold winter climate, with temperatures ranging from a frigid -13°C (9°F) to a milder maximum of 12°C (53°F) and an average of 2°C (35°F). The month also sees significant precipitation, with about 100 mm (4.0 in) falling over 15 days, contributing to the high humidity level of 92%. In contrast, September brings a much warmer atmosphere, with minimum temperatures around 2°C (36°F) and reaching a maximum of 31°C (88°F), averaging 14°C (58°F). Precipitation decreases to 67 mm (2.7 in) over 10 days, and humidity is slightly lower at 82%. For more detailed information, you can check Rosenheim weather in September.

When comparing the weather in January and October, distinct differences emerge between the two months. January experiences much colder conditions, with temperatures ranging from a frigid -13°C (9°F) to a mild 12°C (53°F), accompanied by high humidity levels at 92%. In contrast, October presents a more moderate climate, with temperatures varying from 0°C (32°F) to a pleasant 25°C (77°F) and a slightly lower humidity of 88%. Both months receive comparable precipitation, averaging around 100 mm (4.0 in) in January and 89 mm (3.5 in) in October, with rainfall occurring on 15 days in each month. For more insights on October weather, you can check Rosenheim weather in October.

January weather is characterized by colder temperatures, with minimums reaching as low as -13°C (9°F) and an average of around 2°C (35°F). In contrast, November sees milder conditions, with a minimum temperature of -5°C (23°F) and an average of 5°C (42°F). While January experiences heavier precipitation at 100 mm (4.0 in) over 15 days, November is relatively drier with 63 mm (2.5 in) spread across 12 days. Humidity levels remain high in both months, but January is slightly more humid at 92% compared to November's 90%. For a detailed look at the November climate, you can check Rosenheim weather in November.

In comparing the weather of January and December, we see mild fluctuations in temperature and precipitation. January tends to be colder, featuring a minimum temperature of -13°C (9°F) compared to December's minimum of -6°C (22°F). Both months share a high humidity level of 92%, creating a similar atmosphere, but January experiences slightly less precipitation with 100 mm (4.0 in) over 15 days, opposed to December's 142 mm (5.6 in) spread across 20 days. Overall, December is characterized by warmer temperatures and more consistent rainfall, as detailed in this link: Rosenheim weather in December.

Compare Rosenheim's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Rosenheim

January in Rosenheim presents a stark contrast to the milder months of the year, with chilly temperatures that often dip into the negatives and frequent days of gray, damp weather. The high humidity adds to the overall cold sensation, making this month feel particularly brisk. It's a time when the landscape can transform under a blanket of snow, leading to a magical winter charm that isn’t found in the warmer seasons. With nearly half the month seeing some form of precipitation, January stands out as one of the wettest periods in Rosenheim, pushing residents and visitors alike to bundle up and seek warmth indoors. For a deeper look into the seasonal transitions, explore the full details at Rosenheim Climate.