April Weather in Mannheim, Germany

Last updated: February 26, 2025

April in Mannheim, Germany ushers in a dynamic transition from winter's chill to spring's warmth. With maximum temperatures reaching up to 27°C (82°F), this month offers a delightful average of 11°C (51°F), while nighttime can still dip to a brisk -3°C (27°F). Rainy days are a frequent visitor, totaling 30 mm (1.2 in) across about 7 days, contributing to a humidity level of 83% that enhances the lush greening of the landscape. This blend of warm days and occasional showers makes April a fascinating time to experience Mannheim's transformation into spring.

April Temperature in Mannheim

April in Mannheim, Germany, marks a delightful transition into spring, showcasing a significant shift in temperatures. With minimums dipping to a chilly -3°C (27°F), the month hints at lingering winter; however, the average temperature rises to a comfortable 11°C (51°F), providing a refreshingly mild atmosphere. As the month progresses, daytime highs can soar to an impressive 27°C (82°F), painting a portrait of warmer days ahead. This upward trend not only invites blooming flowers but also encourages residents and visitors alike to step outdoors and enjoy the vibrant city life, making April a month of transformation and renewal in Mannheim.

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

The chart illustrates April 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.

April Precipitation in Mannheim

April in Mannheim, Germany, marks a noticeable shift in precipitation patterns, showcasing a significant drop to 30 mm (1.2 in) from the heavier rains of the preceding months. The month is characterized by only 7 rainy days, reflecting a transition into drier spring conditions. This decline in both rainfall and rainy days contrasts sharply with March, which recorded 69 mm (2.7 in) of precipitation over 13 days. As April unfolds, the lighter rains pave the way for sunnier days ahead, setting the stage for an increase in overall rainfall during May, which typically sees higher precipitation levels of 74 mm (2.9 in). This trend of fluctuating precipitation illustrates the dynamic climate of Mannheim as it shifts towards summer.

April Precipitation Trends in Mannheim

The chart displays monthly precipitation patterns in Mannheim, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6158693074745754466150104
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Mannheim

In April, Mannheim, Germany, experiences a notable decrease in humidity, dropping to 83%, which marks a continuation of the declining trend observed since January's peak of 91%. Each month leading up to April has shown a consistent reduction in moisture levels, making springtime feel relatively more comfortable compared to the chilly winter months. Following April, humidity begins to rise again slightly in May, reaching 79%, indicating an early shift as warmer weather approaches. This seasonal ebb and flow of humidity highlights Mannheim’s transition from the dampness of winter to the milder, rejuvenating atmosphere of spring.

April Average Humidity in Mannheim

This chart illustrates the average monthly humidity levels in Mannheim, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Mannheim

In April, Mannheim experiences a noticeable increase in UV exposure, with the UV Index reaching 6, categorizing the risk as high. This signifies a shift from the moderate levels of the preceding months, meaning sun protection becomes crucial. With a burn time of just 25 minutes, it’s essential to be mindful while soaking up the spring sunshine. As the months progress into May and June, the UV Index escalates further, escalating to 8 and marking a trend of intensifying UV exposure throughout the spring and summer. This pattern underscores the importance of staying informed about the UV Index and taking precautions to protect your skin. For more details, check Mannheim UV Index.

Maximum UV Index Levels in Mannheim for April

The chart shows the monthly maximum UV Index (UVI) for Mannheim in April, 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 April 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.

April Sunshine in Mannheim

In Mannheim, Germany, April shines brightly with an impressive 347 hours of sunshine, marking a significant increase compared to the earlier months. This surge in sunlight comes as a welcome relief after the 118 hours in January and a steady climb through winter, with 205 hours in February and 274 hours in March. As blossoms bloom and temperatures rise, April not only highlights the arrival of spring but also sets a trend for the months ahead. Following this peak, May pushes further with 389 hours, leading into the summer months that continue to deliver even more sunshine, illustrating how Mannheim transforms into a vibrant tableau of light and life. This annual cycle, characterized by an upward trend in daylight hours, fuels the city's seasonal charm and activities, inviting residents and visitors alike to bask in the warmth of springtime sunshine.

Monthly Sunshine Duration in Mannheim: April Highlighted

The April sunshine duration represents the total number of hours Mannheim experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec118h205h274h347h389h394h414h386h322h257h182h134h
Data source: Mannheim April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mannheim During April

As April arrives in Mannheim, Germany, the likelihood of sunny weather climbs to 48%, marking a notable increase compared to the earlier months of the year. Following a gradual ascent from 13% in January to 46% in March, this month brings a promising shift towards sunnier days. Interestingly, while May may see a slight decrease to 32%, April’s sunshine opportunities suggest a delightful transition into spring. The upward trend in sun chances during these months highlights a seasonal awakening, encouraging residents and visitors alike to bask in the soft glow of the sun as nature comes back to life.

Percentage of Sunny Days in April in Mannheim

The chart illustrates the percentage of sunny days in Mannheim throughout the year, with April 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 April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mannheim in April

As winter fades and spring blossoms in Mannheim, Germany, April brings a delightful increase in daylight, with a total of 13 hours—a significant leap from 11 hours in March. This vibrant month sets the stage for the longer days of summer, highlighting a gradual upward trend in daylight duration that begins in January's 8 hours and climbs steadily through the months. May and June reach their peak with 15 and 16 hours, respectively, before gently tapering off in the later summer and autumn months. This dance of daylight not only enhances the natural beauty of the region, but also invigorates outdoor activities, inviting residents to embrace the longer, brighter days ahead.

Average Daylight Hours in Mannheim for April

The chart illustrates the variation in daylight duration in Mannheim throughout the year, with April 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.

April Winds in Mannheim

In April, Mannheim experiences a gentle breeze with an average wind speed of 2.7 m/s (6 mph), slightly lower than the previous months. This modest drop follows the windier March, hinting at a transition into the milder days of spring. While January and February kicked off the year with stronger gusts averaging over 3 m/s, April's soft winds create a serene atmosphere, perfect for enjoying the blossoms of the season. As we look ahead to May, there's a trend of increasing wind speeds, suggesting a return to livelier breezes that will invigorate the landscape and beckon outdoor enthusiasts to embrace the growing warmth of late spring.

Average April Wind Speed in Mannheim

The chart displays monthly wind speed patterns in Mannheim, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.32.83.02.7 m/s3.52.22.42.62.02.62.42.8
Data source: Mannheim April wind data, generated using information from the Copernicus Climate Change Service.

How April 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 April'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.

April generally brings milder and more variable weather compared to the chill of January. With average temperatures ranging from a brisk 11°C (51°F) to a pleasant maximum of 27°C (82°F), April experiences a significant improvement over January's colder temperatures, which peak at only 14°C (57°F). Additionally, while April sees around 30 mm (1.2 in) of precipitation over approximately 7 days, January is wetter, with 60 mm (2.4 in) of rain spread across 13 days. Humidity levels remain high in both months, but January's average of 91% slightly surpasses April's 83%. For more details on the January climate, you can check Mannheim weather in January.

In comparing the weather of April and February, there are notable differences in temperature and precipitation. April usually brings a more moderate climate, with average temperatures ranging from a chilly low of -3°C (27°F) to a warm high of 27°C (82°F), while February remains colder, with average temperatures from -9°C (16°F) to a maximum of 19°C (66°F). Additionally, April experiences less precipitation at 30 mm (1.2 in) across 7 days, whereas February has more substantial rainfall totaling 58 mm (2.3 in) over 11 days. Humidity levels are also slightly elevated in February at 89%, compared to April's 83%. For more details on February weather specifically, you can visit Mannheim weather in February.

April generally shows a noticeable improvement in weather compared to March. The minimum temperature rises significantly from March's -10°C (15°F) to -3°C (27°F), while the average temperature increases from 7°C (45°F) to 11°C (51°F). Additionally, the maximum temperature in April can reach 27°C (82°F), offering warmer days compared to March's peak of 23°C (73°F). Though April sees less precipitation at 30 mm (1.2 in) over 7 days compared to March's 69 mm (2.7 in) across 13 days, humidity levels remain relatively high in both months, with April at 83% and March at 87%. For a detailed overview of March's climate, visit Mannheim weather in March.

When comparing the weather between April and May, one can observe a notable shift in temperature and precipitation patterns. April experiences a wider temperature range, with minimums dropping to -3°C (27°F) and maximums reaching 27°C (82°F), resulting in an average temperature of 11°C (51°F). In contrast, May sees a milder range, with minimum temperatures starting at 1°C (33°F) and maximums climbing to 32°C (89°F), leading to an average of 14°C (58°F). Additionally, May is characterized by increased rainfall, with 74 mm (2.9 in) over 12 days, compared to April's 30 mm (1.2 in) over 7 days. The humidity levels are slightly lower in May at 79%, compared to 83% in April. For a more detailed look at weather conditions in May, you can check Mannheim weather in May.

April and June present distinct weather patterns, showcasing a transition from early spring to summer. In April, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable average of 11°C (51°F), peaking at 27°C (82°F). The month experiences a moderate amount of precipitation, totaling 30 mm (1.2 in) over approximately seven days, while humidity remains relatively high at 83%. By contrast, June sees a notable increase in warmth, with minimum temperatures of 8°C (46°F) and an average of 20°C (68°F), reaching maximums of 37°C (99°F). However, it's also a wetter month, with 73 mm (2.9 in) of precipitation over about ten days, and humidity hovering around 82%. For more detailed insights, check out Mannheim weather in June.

April weather is characterized by a wider temperature range, with minimums dropping to -3°C (27°F) and maximums reaching up to 27°C (82°F). The month experiences an average temperature of 11°C (51°F) and 30 mm (1.2 in) of precipitation over about 7 days, accompanied by a high humidity of 83%. In contrast, July brings a much warmer climate with minimum temperatures of 9°C (49°F) and maximums soaring to 39°C (102°F). The average temperature rises to 21°C (70°F), and precipitation increases to 57 mm (2.2 in) over roughly 10 days, while humidity remains constant at 83%. For a detailed look at July weather in Mannheim, you can visit Mannheim weather in July.

April and August present contrasting weather patterns that highlight the transition from spring to summer. In April, temperatures range from a chilly -3°C (27°F) at night to a comfortable average of 11°C (51°F), peaking at a pleasant 27°C (82°F). With 30 mm (1.2 in) of precipitation spread over about 7 days and a relatively high humidity of 83%, April often feels cool and damp. In contrast, August boasts warmer conditions, with temperatures starting at 8°C (46°F), averaging 21°C (70°F), and reaching highs of 36°C (97°F). The month receives more precipitation at 54 mm (2.1 in) across approximately 10 days, while humidity slightly increases to 84%, adding to the sultry feel of late summer. For those interested in more detailed weather conditions, you can check Mannheim weather in August.

April and September present quite contrasting weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 27°C (82°F), with an average of 11°C (51°F). The month sees around 30 mm (1.2 in) of precipitation over 7 days, with a relative humidity of 83%. In comparison, September enjoys milder temperatures, with a minimum of 4°C (40°F) and a maximum of 33°C (91°F), averaging 16°C (62°F). This month receives slightly more rainfall at 46 mm (1.8 in) over 8 days and has a humidity level of 85%. For a more detailed look at the weather, check out Mannheim weather in September.

April and October present distinct weather patterns, with April showcasing a broader temperature range, from a chilly minimum of -3°C (27°F) to a warm maximum of 27°C (82°F). The average temperature in April hovers around 11°C (51°F), accompanied by relatively low precipitation levels of 30 mm (1.2 in) over about 7 days and humidity at 83%. In contrast, October exhibits milder temperatures, with a minimum of 1°C (34°F) and a maximum of 26°C (80°F), resulting in an average temperature of 12°C (53°F). The month sees increased precipitation, totaling 61 mm (2.4 in) over approximately 12 days, and a slight rise in humidity to 88%. For more insights on weather trends, check out Mannheim weather in October.

April and November present contrasting weather patterns, though both months experience chilly minimum temperatures around -3°C (27°F). April typically enjoys a warmer average temperature of 11°C (51°F) and can reach highs of 27°C (82°F), while November sees a drop to an average of 6°C (43°F) and a maximum temperature of 22°C (71°F). Precipitation levels differ as well, with April receiving about 30 mm (1.2 in) over 7 days compared to November's 50 mm (1.9 in) across 10 days. Humidity also rises slightly in November, averaging 89%, compared to April's 83%. For a closer look at the weather during this month, visit Mannheim weather in November.

April and December offer quite distinct weather patterns. In April, temperatures range from a chilly -3°C (27°F) at night to a pleasant average of 11°C (51°F), with daytime highs reaching up to 27°C (82°F). This month experiences about 30 mm (1.2 in) of precipitation over approximately 7 days, accompanied by a humidity level of 83%. In contrast, December sees colder temperatures, with nighttime lows dipping to -6°C (21°F) and an average of just 4°C (40°F), peaking at 15°C (59°F). Precipitation is significantly higher at 104 mm (4.1 in) over 18 days, contributing to a more humid environment with 91% humidity. For those interested in more details, check out Mannheim weather in December.

Compare Mannheim's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Mannheim

April in Mannheim introduces a refreshing shift from the colder winter months, showcasing a notable rise in temperatures and an invitation to enjoy the outdoors. While chilly days may still linger, average highs reach a pleasant 27°C, transforming the city into a vibrant tapestry of blossoming flora. The relatively low precipitation levels remind us that spring is on the horizon, though brief showers can punctuate the month, maintaining a lush environment. With humidity levels at 83%, there's a gentle warmth that envelops the city, offering a delightful contrast to the dry and frigid spells of winter. For those looking to explore the nuances of Mannheim's seasonal changes, be sure to check out Mannheim Climate for a comprehensive overview.