January Weather in Mannheim, Germany

Last updated: February 26, 2025

January in Mannheim, Germany offers a mix of crisp air and chilly temperatures, with daily highs peaking at 14°C (57°F) and plunging to a minimum of -10°C (14°F). The month averages around 3°C (37°F), providing a refreshing winter experience. Precipitation is moderate, totaling 60 mm (2.4 in) across approximately 13 days—perfect for cozy indoor pursuits. With an impressive humidity level of 91%, residents and visitors alike should be prepared for a damp chill, making warm layers and hearty meals essential for enjoying this picturesque winter month.

January Temperature in Mannheim

In January, Mannheim, Germany, experiences a winter chill, with temperatures ranging significantly from a crisp -10°C (14°F) at their coldest to a milder 14°C (57°F) at peak warmth. The month features an average temperature of 3°C (37°F), reflecting the characteristic coolness of early winter. As the month progresses into February, a slight increase in warmth is observed, yet the cold continues to dominate, with minimums around -9°C (16°F). This trend of low temperatures gradually shifts towards the spring months, where the average creeps upward, hinting at the approaching warmth. January stands out for its stark contrasts, marking the coldest month before the gradual transition to milder conditions in the following months.

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

The chart illustrates January temperature patterns in Mannheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374044515868706962534339
Data source: Temperature data for Mannheim generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Mannheim

In January, Mannheim experiences an average precipitation of 60 mm (2.4 in), falling over approximately 13 days. This modest amount positions January as a typical winter month, with slightly less rain than February. Interestingly, while January sets the tone for a wet winter, it pales in comparison to the deluge of 104 mm (4.1 in) seen in December, suggesting a dramatic shift as the year transitions. Following January, precipitation begins to rise again, peaking in March, which hints at the seasonal changes approaching. Overall, the trend reveals a dynamic winter climate that gradually paves the way for the wetter months ahead.

January Precipitation Trends in Mannheim

The chart displays monthly precipitation patterns in Mannheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6158693074745754466150104
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Mannheim

In January, Mannheim, Germany, experiences a notable humidity level of 91%, marking one of the year's peaks. As winter progresses into February, the humidity slightly decreases to 89%, maintaining a damp atmosphere characteristic of the colder months. By March, the trend continues downward, with humidity settling at 87%, hinting at the gradual arrival of spring. Through April and May, humidity levels further decline, reflecting the warming temperatures, reaching 83% and 79% respectively. However, as summer approaches in June, humidity rises again to 82% and remains relatively stable throughout the summer months, hovering around the low to mid-80s. As autumn descends, humidity begins to creep back upwards, peaking once more at 91% in December, suggesting a cyclical return to the humid conditions of winter. This pattern reveals Mannheim's distinct seasonal shifts in humidity, characterized by elevated levels during the winter months and a noticeable dip in the spring.

January Average Humidity in Mannheim

This chart illustrates the average monthly humidity levels in Mannheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Mannheim

In Mannheim, Germany, January brings a low UV Index of 2, indicating that sun exposure poses minimal risk. With a burn time of approximately 45 minutes, residents can enjoy outdoor activities without much concern for sunburn. As the year progresses, the UV Index gradually increases, peaking in the late spring and summer months, where values reach 8, categorized as very high, necessitating more precautions. Interestingly, the UV Index dips back down in autumn and winter, reflecting the cyclical nature of sun exposure throughout the year. To stay informed about UV levels and plan safe sun exposure, check the detailed data at Mannheim UV Index.

Maximum UV Index Levels in Mannheim for January

The chart shows the monthly maximum UV Index (UVI) for Mannheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec234688876421
Data source: Mannheim 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 Mannheim

In Mannheim, Germany, January marks the beginning of the year with a modest 118 sunlight hours, a sharp contrast to the sun-drenched summer months. As winter gives way to spring, the city's daylight gradually increases, reaching 205 hours in February and steadily climbing to 274 hours in March. By April, the sun shines even brighter with 347 hours, signifying a delightful transition into milder weather. This upward trend culminates in the peak summer months, where July boasts an impressive 414 hours of sunshine. As the year progresses, however, the daylight begins to wane, with August displaying 386 hours and September decreasing to 322 hours. Ultimately, by December, Mannheim bids farewell to the year with just 134 hours of light, highlighting the town's distinct seasonal rhythms and the comforting embrace of sunshine throughout the warmer months.

Monthly Sunshine Duration in Mannheim: January Highlighted

The January sunshine duration represents the total number of hours Mannheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec118h205h274h347h389h394h414h386h322h257h182h134h
Data source: Mannheim January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mannheim During January

In Mannheim, Germany, January typically presents a relatively low likelihood of sunshine, with only a 13% chance of clear skies. This marks the beginning of a gradual increase in sunny days as the year progresses; by February, the likelihood jumps to 36%, and it continues to climb throughout the spring months, reaching 46% in March and 48% in April. The trend creates a hopeful anticipation for sunnier days as winter recedes, highlighting a striking contrast between January's gloom and the brighter, more cheerful outlook of the months to come. As spring emerges, residents can look forward to a significant uptick in sunshine, transforming the landscape and the mood of the city.

Percentage of Sunny Days in January in Mannheim

The chart illustrates the percentage of sunny days in Mannheim 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 Mannheim experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%36%46%48%33%35%38%30%44%32%20%16%
Data source: Mannheim January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mannheim in January

In Mannheim, Germany, the daylight duration steadily increases as winter gives way to spring, with January offering just 8 hours of daylight. This gradual awakening continues into February and March, which see the days extend to 10 and 11 hours respectively. By April, the city basks in 13 hours of sunlight, marking a vibrant shift toward longer days. The peak comes in June, where residents enjoy a generous 16 hours of daylight—a perfect time for outdoor activities. As summer transitions into autumn, the daylight hours gently decline, with July and August providing 15 and 14 hours respectively, before tapering down through September to 10 hours in October. As the year concludes, November and December return to 9 and 8 hours, reminiscent of the dim days of January, creating a full circle in the annual cycle of light.

Average Daylight Hours in Mannheim for January

The chart illustrates the variation in daylight duration in Mannheim throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 40m10h 7m11h 55m13h 46m15h 21m16h 11m15h 45m14h 19m12h 32m10h 43m9h 4m8h 13m
Data source: Mannheim daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Mannheim

In Mannheim, Germany, the winds of January bring a gentle breeze, with an average speed of 3.3 m/s (7 mph). This winter month stands out as the windiest time of the year, certainly setting it apart from the subsequent months, where gusts tend to calm down significantly. Following January, the wind speed dips gradually, reaching its lowest point in June at 2.2 m/s (5 mph). Interestingly, the spring months of March and May experience a mild resurgence in wind speeds, hinting at a seasonal rhythm that suggests a dance between stillness and breeziness. As the year progresses, the winds remain relatively calm, hinting at a notable shift from January's invigorating gusts to the more serene summer months. Overall, the transition from the brisk January winds to the quietude of late summer encapsulates a lovely, cyclical journey through Mannheim's climate.

Average January Wind Speed in Mannheim

The chart displays monthly wind speed patterns in Mannheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.3 m/s2.83.02.73.52.22.42.62.02.62.42.8
Data source: Mannheim January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Mannheim Compares to Other Months

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

January and February weather exhibits some notable differences while remaining within a similar temperature range. In January, temperatures dip lower with a minimum of -10°C (14°F) and an average of 3°C (37°F), compared to February, which sees a slightly warmer minimum of -9°C (16°F) and an average of 4°C (40°F). February also boasts a higher maximum temperature of 19°C (66°F), compared to January's peak of 14°C (57°F). Precipitation is comparable in both months, with January receiving 60 mm (2.4 in) over 13 days and February slightly less at 58 mm (2.3 in) over 11 days. The humidity remains relatively high in both months, with January at 91% and February at 89%. For more detailed insights, you can check Mannheim weather in February.

In January, the weather in Mannheim is notably colder, with average temperatures hovering around 3°C (37°F) and minimal highs reaching 14°C (57°F). The month experiences a high humidity level of 91%, contributing to its chilly atmosphere, along with 60 mm (2.4 in) of precipitation over 13 days. In contrast, March brings a significant warming trend, with average temperatures rising to 7°C (45°F), and maximums occasionally reaching 23°C (73°F). Precipitation also increases slightly to 69 mm (2.7 in), with the same number of rainy days as January, but the humidity dips to 87%. For more details about Mannheim's weather in March, visit Mannheim weather in March.

January and April present strikingly different weather patterns. In January, temperatures can drop as low as -10°C (14°F), with an average of 3°C (37°F) and a maximum of 14°C (57°F). The month is characterized by significant humidity at 91%, and it experiences around 60 mm (2.4 in) of precipitation over approximately 13 days. In contrast, April brings a much milder climate with temperatures ranging from a minimum of -3°C (27°F) to an average of 11°C (51°F) and a maximum reaching 27°C (82°F). Additionally, April sees less rainfall, with only 30 mm (1.2 in) over about 7 days and a lower humidity level of 83%. For more details about the weather specifics in April, check out Mannheim weather in April.

In January, the weather in Mannheim is characterized by cold temperatures, with a minimum of -10°C (14°F) and an average around 3°C (37°F), reaching a maximum of 14°C (57°F). The month sees significant humidity at 91% and experiences rainfall on about 13 days, totaling 60 mm (2.4 in). In contrast, May brings a marked change in climate, as temperatures rise significantly, with a minimum of 1°C (33°F) but averaging 14°C (58°F) and peaking at a warm 32°C (89°F). Despite slightly higher precipitation of 74 mm (2.9 in) over 12 days, the humidity decreases to 79%, creating a much more pleasant atmosphere. For more detailed insights, check out Mannheim weather in May.

In January, the weather is decidedly colder, with temperatures ranging from a frigid -10°C (14°F) to a mild 14°C (57°F) and an average of 3°C (37°F). The month is characterized by high humidity at 91% and frequent precipitation, occurring on about 13 days, amounting to 60 mm (2.4 in) overall.

In contrast, June brings significantly warmer temperatures, with a minimum of 8°C (46°F) and reaching highs of up to 37°C (99°F), resulting in an average of 20°C (68°F). Although June sees slightly more precipitation at 73 mm (2.9 in) over just 10 days, the humidity is lower at 82%. For more details on the weather in June, you can visit Mannheim weather in June.

In January, the temperatures in Mannheim are quite chilly, with a minimum of -10°C (14°F) and an average of just 3°C (37°F), peaking at 14°C (57°F). The month is marked by high humidity at 91% and experiences around 60 mm (2.4 in) of precipitation over approximately 13 days. In stark contrast, July brings much warmer conditions, with temperatures ranging from a minimum of 9°C (49°F) to an average of 21°C (70°F), and reaching a maximum of 39°C (102°F). Though July sees slightly less precipitation at 57 mm (2.2 in) over about 10 days, the humidity is still notable at 83%. For more detailed information about the expected climate, check out Mannheim weather in July.

In January, the weather is characterized by cold temperatures, with minimums dropping to -10°C (14°F) and an average of just 3°C (37°F). The month sees significant precipitation, totaling 60 mm (2.4 in) over approximately 13 days, accompanied by high humidity levels of 91%. In contrast, August brings a warm ambience, with temperatures ranging from a mild 8°C (46°F) to highs of 36°C (97°F) and an average of 21°C (70°F). While precipitation decreases slightly to 54 mm (2.1 in) over 10 days, humidity is also lower at 84%. Such dramatic seasonal shifts highlight the drastic differences in climate between January and August. For a more detailed look, visit Mannheim weather in August.

January and September present contrasting weather patterns. In January, temperatures range from a chilling -10°C (14°F) to a mild 14°C (57°F), with an average of around 3°C (37°F). The month experiences 60 mm (2.4 in) of precipitation spread over 13 days, and the high humidity level of 91% contributes to a damp atmosphere. In stark opposition, September enjoys a more temperate climate, with minima around 4°C (40°F) and maxima soaring up to 33°C (91°F), averaging at a pleasant 16°C (62°F). Precipitation decreases to 46 mm (1.8 in) over just 8 days, and humidity is slightly lower at 85%. For more details on September's climate, you can refer to Mannheim weather in September.

In January, temperatures in Mannheim can drop as low as -10°C (14°F), with an average of 3°C (37°F) and a maximum of 14°C (57°F), creating a stark winter atmosphere. The month experiences significant humidity at 91% and sees around 60 mm (2.4 in) of precipitation over 13 days. In contrast, October brings milder temperatures ranging from a minimum of 1°C (34°F) to a comfortable average of 12°C (53°F) and a maximum of 26°C (80°F), signaling the transition to fall. With slightly less precipitation, totaling 61 mm (2.4 in) over 12 days, October retains a lower humidity of 88%. For more detailed weather insights, you can check Mannheim weather in October.

January and November present quite distinct weather patterns. January experiences colder temperatures, with a minimum of -10°C (14°F) and an average of 3°C (37°F), while November features milder conditions, starting at a minimum of -3°C (26°F) and averaging 6°C (43°F). Precipitation levels are relatively comparable, with January receiving about 60 mm (2.4 in) over 13 days, compared to November's 50 mm (1.9 in) across 10 days. Additionally, humidity remains high in both months, at 91% in January versus 89% in November. Thus, while both months are characterized by considerable moisture, January's frigid temperatures sharply contrast with November's more temperate climate. For further details, you can check out Mannheim weather in November.

In January, the weather is quite cold, with average temperatures ranging from a minimum of -10°C (14°F) to a maximum of 14°C (57°F). The month sees about 60 mm (2.4 in) of precipitation over approximately 13 days, maintaining a high humidity level of 91%. In contrast, December features slightly milder temperatures, with an average minimum of -6°C (21°F) and a maximum of 15°C (59°F). Rainfall is more frequent in December, accumulating to 104 mm (4.1 in) over 18 days, while humidity remains consistent at 91%. For more details on December weather, you can check Mannheim weather in December.

Compare Mannheim's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Mannheim

January in Mannheim can feel quite stark compared to other months, as it brings in the year's coldest temperatures and a palpable chill in the air. With an average temperature hovering around 3°C, residents brace for the brisk days and frosty nights, occasionally dipping to -10°C. The humidity level tends to be high, contributing to the dampness that often accompanies the 60 mm of precipitation over approximately 13 days. This wintry weather starkly contrasts with the milder, sunnier months, making January a time when layers and warmth become essential. For more detailed insights into how this January fits into the overall climate, visit Mannheim Climate.