January Weather in Radolfzell, Germany

Last updated: February 26, 2025

In January, Radolfzell, Germany experiences a diverse weather mix, with temperatures ranging from a brisk -12°C (12°F) to a mild 14°C (58°F), averaging around 1°C (34°F). This month sees significant precipitation, totaling 85 mm (3.4 in) over 11 days, contributing to a notably high humidity level of 92%. The combination of cold mornings and mildly warm afternoons creates a chilly yet intriguing atmosphere, perfect for those looking to embrace the winter season in this picturesque lakeside town.

January Temperature in Radolfzell

In January, Radolfzell, Germany, experiences a chilly climate with temperatures ranging from a brisk -12°C (12°F) at night to a more temperate maximum of 14°C (58°F) during the day. The average temperature hovers around 1°C (34°F), setting the stage for a cold yet picturesque winter landscape. This month marks one of the year's lowest points in temperature, as it gradually segues into February, which sees a slight uptick in both minimum and maximum temperatures. The transition towards spring begins in March, with temperatures rising, as Radolfzell showcases the beauty of a lingering winter while hinting at the promise of warmer days ahead. Overall, January serves as a stark reminder of winter's grip, yet it also paves the way for the gradual warming that follows in the coming months.

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

The chart illustrates January temperature patterns in Radolfzell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343842505666686760514137
Data source: Temperature data for Radolfzell 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 Radolfzell

In January, Radolfzell experiences a moderately wet start to the year, with precipitation amounts reaching 85 mm (3.4 in) over approximately 11 days. This sets the tone for a season characterized by varying rainfall levels. As winter transitions into spring, rainfall decreases in February to 68 mm (2.7 in) and further to 78 mm (3.1 in) in March, although the number of rainy days increases slightly during these months. April marks a dip in both precipitation and rainy days, with only 58 mm (2.3 in) recorded over 9 days, suggesting a brief respite before the arrival of spring blooms. However, by May, the volume of rainfall surges again, peaking at 115 mm (4.5 in) in line with the region's growing vibrant foliage. This fluctuation in precipitation reflects a typical trend for Radolfzell, as winter wetness gives way to a more dynamic spring, ultimately preparing the soil for the lush summer ahead.

January Precipitation Trends in Radolfzell

The chart displays monthly precipitation patterns in Radolfzell, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8568785811512695127829057109
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Radolfzell

In January, Radolfzell, Germany, experiences a notably high humidity level of 92%, setting the tone for a winter often characterized by damp and chilly conditions. This trend of elevated humidity begins to ease slightly in February and March, with levels dropping to 89% and 87% respectively. As spring approaches, April brings a further decline to 84%, hinting at a gradual transition to more comfortable weather. However, June sees a slight rebound at 82%, with the summer months maintaining relatively stable humidity levels around 80-83%, providing a more balanced atmosphere for outdoor activities. In the latter part of the year, humidity climbs back up, reaching 90% in both October and December, emphasizing the persistent dampness that accompanies the colder months. Overall, the humidity in Radolfzell showcases a clear seasonal rhythm, peaking in winter and again in late autumn, while offering a brief respite during the spring and summer months.

January Average Humidity in Radolfzell

This chart illustrates the average monthly humidity levels in Radolfzell, 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%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 Radolfzell

In January, Radolfzell, Germany, experiences a low UV Index of 2, indicating minimal sun exposure risk with a burn time of 45 minutes. As the months progress, there's a noticeable increase in UV exposure; by February, the index rises to 3, shifting to a moderate category that allows for a burn time of 30 minutes. This upward trend continues until April, when the UV Index hits 6 and the burn time shrinks to 25 minutes, classifying it as high. The peak occurs in the summer months of May through July, where the index reaches 9, marking a very high exposure category with a quick burn time of just 15 minutes. Interestingly, the UV Index begins to decline in August, tapering down to 6 by September, then further decreasing to moderate levels in the ensuing months, with a return to low exposure by November and December. This clear pattern emphasizes the importance of monitoring UV radiation throughout the year. For more details, visit Radolfzell UV Index.

Maximum UV Index Levels in Radolfzell for January

The chart shows the monthly maximum UV Index (UVI) for Radolfzell 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Radolfzell 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 Radolfzell

In Radolfzell, Germany, January heralds the start of the year with a modest 147 hours of sunshine, a stark contrast to the sun-drenched days that lie ahead. As winter gives way to spring, the months gradually shine brighter, with February and March showcasing 215 and 286 hours respectively, inviting residents to embrace the awakening landscape. The sun's embrace truly blossoms in April and May, where longer daylight stretches to 351 and 358 hours, signaling the heart of spring. The peak arrives in the summer months, with July boasting an impressive 406 hours of sunshine, offering the perfect backdrop for outdoor festivities. However, as the seasons shift into autumn, a gentle decline is noted, with 375 hours in August tapering off to 266 hours in October, reminding us of nature’s cyclical rhythm. Throughout the year, November and December continue this trend, wrapping up with 195 and 165 hours, respectively, as Radolfzell bids farewell to the year, eagerly anticipating the return of longer days.

Monthly Sunshine Duration in Radolfzell: January Highlighted

The January sunshine duration represents the total number of hours Radolfzell 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.
JanFebMarAprMayJunJulAugSepOctNovDec147h215h286h351h358h379h406h375h316h266h195h165h
Data source: Radolfzell January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Radolfzell During January

In Radolfzell, Germany, the likelihood of enjoying sunny weather in January stands at a modest 13%, providing a stark contrast to the sunnier days that emerge in the following months. As winter gives way to spring, the chance of sunshine begins to rise significantly, with February seeing a jump to 39%, and both March and April averaging around 43% and 47%, respectively. The transition into summer brings even more favorable conditions, culminating in peak sunshine as the year progresses. This pattern highlights the keen contrast between the dull, overcast skies of January and the brighter prospects of early spring, setting the stage for a gradual increase in delightful sunny days throughout the year.

Percentage of Sunny Days in January in Radolfzell

The chart illustrates the percentage of sunny days in Radolfzell 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 Radolfzell experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%39%43%47%34%34%34%35%43%31%19%18%
Data source: Radolfzell January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Radolfzell in January

In Radolfzell, Germany, January marks the beginning of the year with 8 hours of daylight, a stark reminder of winter's shortest days. As February arrives, daylight increases to 10 hours, hinting at the approaching spring. By March, the sun graces the skies for 11 hours, gradually lifting spirits and brightening the days. The transition becomes more pronounced in April with 13 hours of daylight, followed by a sundrenched 15 hours in both May and June, where nature bursts into vibrant life. This peak daylight duration sustains itself through July, only to wane slightly in August with 14 hours. The descent continues into autumn, as September offers 12 hours, and daylight steadily decreases to 10 hours in October, 9 hours in November, and back to 8 hours in December. This rhythm of daylight not only marks the changing seasons but also reflects the cyclical dance of light and darkness that characterizes life in Radolfzell.

Average Daylight Hours in Radolfzell for January

The chart illustrates the variation in daylight duration in Radolfzell throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 54m10h 14m11h 55m13h 39m15h 8m15h 54m15h 30m14h 10m12h 31m10h 48m9h 16m8h 28m
Data source: Radolfzell daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Radolfzell

In Radolfzell, Germany, January greets you with a gentle average wind speed of 2.8 m/s (6 mph), marking it as one of the breezier months of the year. As we transition into February, the winds taper slightly to 2.4 m/s (5 mph), showing a subtle decline that persists through early spring. March and April see a modest rebound, hovering around 2.5 to 2.6 m/s—a refreshing reminder of winter's retreat. However, come May, the winds pick up their pace, reaching 3.3 m/s (7 mph), signaling the lively arrival of summer. This invigorating trend doesn’t last long, as June through September experience a dip in wind speeds, with the calmest month being September at just 1.8 m/s (4 mph). As autumn reclaims the scene, wind speeds gradually increase again, wrapping up the year with December's 2.5 m/s (6 mph), reflecting a cyclical rhythm in Radolfzell's climate.

Average January Wind Speed in Radolfzell

The chart displays monthly wind speed patterns in Radolfzell, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.8 m/s2.42.52.63.32.02.12.21.82.02.22.5
Data source: Radolfzell January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Radolfzell Compares to Other Months

The weather in Radolfzell 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 Radolfzell and find detailed weather information for every month.

January and February present a transition in weather conditions as winter progresses. In January, temperatures can drop to a minimum of -12°C (12°F) and reach an average of 1°C (34°F), with a maximum of 14°C (58°F). The month is characterized by substantial precipitation of 85 mm (3.4 in) over 11 days and high humidity levels at 92%. In contrast, February sees slightly warmer temperatures, with a minimum of -11°C (13°F), an average of 3°C (38°F), and a maximum of 18°C (64°F). Precipitation decreases to 68 mm (2.7 in) over 12 days, accompanied by a slight drop in humidity to 89%. For more detailed information, you can check Radolfzell weather in February.

In January, the weather features a chilly range of temperatures with a minimum of -12°C (12°F) and an average of 1°C (34°F), peaking at a maximum of 14°C (58°F). The month sees significant precipitation of 85 mm (3.4 in) over 11 rainy days, and the humidity is notably high at 92%.

In contrast, March brings a noticeable warming trend, with temperatures ranging from a minimum of -12°C (11°F) to an average of 6°C (42°F), and maxing out at 20°C (68°F). Although precipitation slightly decreases to 78 mm (3.1 in), it occurs over 15 days, suggesting a mix of wet and dry periods. Humidity also lowers to 87%, making March feel more comfortable than January. For more detailed insights into the weather in March, you can visit Radolfzell weather in March.

In January, the weather is characterized by cold temperatures, with a minimum of -12°C (12°F) and an average of only 1°C (34°F). The relatively high humidity at 92% often makes it feel even chillier, accompanied by 85 mm of precipitation over 11 days. In contrast, April brings a significant warming trend; the minimum temperature rises to -3°C (26°F), with an average of 10°C (50°F) and a maximum reaching 26°C (78°F). Additionally, April sees less precipitation at 58 mm over 9 days and a decrease in humidity to 84%. For more details on the weather in April, visit Radolfzell weather in April.

January weather is characterized by cold temperatures, with minimums plummeting to -12°C (12°F) and overall averages around 1°C (34°F). It also experiences higher humidity at 92%, contributing to a damp atmosphere with about 85 mm (3.4 inches) of precipitation over 11 days. In contrast, May brings a significant warming trend, featuring temperatures ranging from a minimum of 2°C (35°F) to a maximum of 29°C (85°F) and an average of 13°C (57°F). Although May sees slightly more rainfall at 115 mm (4.5 inches) spread over 16 days, the humidity drops to a more comfortable 80%. For more details, you can check out Radolfzell weather in May.

January and June present starkly contrasting weather conditions. In January, temperatures range from a chilling minimum of -12°C (12°F) to a maximum of 14°C (58°F), with an average of just 1°C (34°F). This month is characterized by high humidity at 92% and receives about 85 mm (3.4 in) of precipitation over approximately 11 days. In contrast, June offers a much warmer climate, with temperatures soaring from a minimum of 8°C (47°F) to a blazing maximum of 34°C (93°F), resulting in a pleasant average of 19°C (66°F). Although June sees more precipitation at 126 mm (5.0 in) over 14 days, the humidity is slightly lower at 82%. For a closer look, you can check out Radolfzell weather in June.

January and July present a stark contrast in weather conditions. In January, temperatures can plummet to a minimum of -12°C (12°F), with an average around 1°C (34°F) and a maximum reaching only 14°C (58°F). The month sees about 85 mm (3.4 in) of precipitation over 11 days, coupled with high humidity levels at 92%. In sharp contrast, July offers a much warmer climate, with minimum temperatures around 10°C (50°F) and an average of 20°C (68°F), peaking at a maximum of 35°C (95°F). While July has slightly more precipitation at 95 mm (3.7 in) over 14 days, the humidity is more manageable at 83%. For a detailed view of the warm summer weather in Radolfzell, check out Radolfzell weather in July.

In January, temperatures range from a chilly -12°C (12°F) at night to an average of 1°C (34°F) during the day, with a maximum of 14°C (58°F). The month is characterized by high humidity at 92% and experiences about 85 mm (3.4 in) of precipitation over 11 days. In contrast, August brings much warmer weather, with temperatures ranging from a minimum of 8°C (47°F) to an average of 20°C (68°F), reaching up to 34°C (93°F) at times. While August sees more rainfall at 127 mm (5.0 in) over 15 days, the humidity is lower at 80%. For a detailed look at August weather, check out Radolfzell weather in August.

January and September present striking contrasts in weather patterns. In January, temperatures can plummet as low as -12°C (12°F), with an average of just 1°C (34°F) and occasional peaks at 14°C (58°F). The month is characterized by high humidity at 92% and roughly 85 mm (3.4 in) of precipitation over 11 days. In contrast, September enjoys milder conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F) and an average of 15°C (60°F). The humidity decreases to 83% and precipitation is slightly lower at 82 mm (3.2 in) over the same 11-day span. For more specific insights on September weather, you can visit Radolfzell weather in September.

In January, temperatures are significantly colder, with minimums plunging to -12°C (12°F) and averaging around 1°C (34°F), while the maximum reaches only 14°C (58°F). In contrast, October presents a milder climate, featuring minimum temperatures of 1°C (34°F) and average highs of 22°C (71°F). Both months experience similar levels of precipitation, with January at 85 mm (3.4 in) and October slightly higher at 90 mm (3.5 in), although October has a few more rainy days with 13 compared to January's 11. Humidity levels are notably high in both months, with January at 92% and October at 90%. For more detailed insights, you can check the Radolfzell weather in October.

January and November present distinctly different weather patterns. January tends to be much colder, with average temperatures hovering around 1°C (34°F), while November sees a slightly milder average of 5°C (41°F). Additionally, January experiences more extreme lows, dipping down to -12°C (12°F), compared to November's minimum of -2°C (29°F). Precipitation is more pronounced in January, totaling 85 mm (3.4 in) over 11 days, whereas November receives less, at 57 mm (2.2 in) also over 11 days. Despite this, January's humidity remains higher at 92% compared to November's 88%. For more detailed insights, you can check Radolfzell weather in November.

In comparing the weather between January and December, January tends to be colder with minimum temperatures dropping to -12°C (12°F) compared to December's milder minimum of -4°C (25°F). The average temperature remains slightly lower in January at 1°C (34°F) versus December’s average of 3°C (37°F). Additionally, January experiences slightly less precipitation at 85 mm (3.4 in) over 11 days, while December sees more rainfall of 109 mm (4.3 in) across 18 days. Despite the overall chill in January, humidity levels are quite similar, with January at 92% and December at 90%. For more details on weather specifics in December, you can check Radolfzell weather in December.

Compare Radolfzell's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Radolfzell

January in Radolfzell is a month of contrasts, where the chill of winter grips the region with an average temperature hovering around freezing, while rare mild days can briefly push the mercury up to a comfortable 14°C (58°F). This month stands out from others with its significant precipitation, occurring over nearly half the month, as foggy mornings give way to cloudy skies that often conceal the sun. The high humidity levels enhance the cold, making it feel even brisker than it is. Those looking for a different side of Radolfzell's climate will find January to be a time of reflection and quiet beauty, setting the stage for the warmer days ahead. For more insights on seasonal weather patterns, explore Radolfzell Climate.