April Weather in Karlsruhe, Germany

Last updated: February 26, 2025

April in Karlsruhe, Germany brings a delightful transition to spring, characterized by a maximum temperature of 28°C (82°F) and an average of 11°C (52°F). While the month can start cool with lows reaching -3°C (27°F), milder days invite residents and visitors alike to enjoy the blooming scenery. Although precipitation totals around 36 mm (1.4 in), occurring over 8 days, the humidity level of 83% can enhance the lush vibrancy of the surroundings. Overall, April offers a tantalizing mix of warmth and moisture, making it an ideal time to experience Karlsruhe's charm.

April Temperature in Karlsruhe

In April, Karlsruhe, Germany, experiences a delightful transition from the chill of winter to the warmth of spring. With minimum temperatures hovering around -3°C (27°F) and average highs reaching up to 28°C (82°F), the city begins to shake off the remnants of frost, making way for brighter days. This month marks a significant increase in warmth compared to the preceding months, showcasing an impressive jump in both average and maximum temperatures that heralds the arrival of outdoor festivities. As buds bloom and the sun shines longer, residents can enjoy brisk mornings turning into pleasantly warm afternoons, setting the perfect stage for enjoying the vibrant outdoor life Karlsruhe has to offer.

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

The chart illustrates April temperature patterns in Karlsruhe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374045515868696961544339
Data source: Temperature data for Karlsruhe 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 Karlsruhe

April in Karlsruhe, Germany, marks a noticeable shift towards drier weather compared to the preceding months. With only 36 mm (1.4 in) of precipitation falling over 8 days, April offers a welcome reprieve from the wetter conditions experienced earlier in the year. This represents a significant decrease from March's 76 mm (3.0 in), underscoring a trend of diminishing rainfall as spring takes hold. As the city shakes off the chill of winter, this reduction in precipitation paves the way for burgeoning blooms and longer, sunnier days, making April a delightful month for outdoor enthusiasts and nature lovers alike.

April Precipitation Trends in Karlsruhe

The chart displays monthly precipitation patterns in Karlsruhe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7568763684796760486853108
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Karlsruhe

April marks a noticeable dip in humidity in Karlsruhe, Germany, with levels dropping to 83%. This seasonal shift follows a gradual decline from 91% in January to 87% in March, reflecting the transition into spring. As warmer weather approaches, humidity levels continue to decrease, hitting their annual low of 79% in May. This trend suggests a cycle where the early months of the year are characterized by high moisture content, gradually paving the way for drier conditions as summer draws near. Despite the reduction, April’s humidity remains relatively high, maintaining an atmosphere that feels fresh yet crisp, characteristic of the emerging spring season.

April Average Humidity in Karlsruhe

This chart illustrates the average monthly humidity levels in Karlsruhe, 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 Karlsruhe

As April arrives in Karlsruhe, Germany, residents can expect a notable increase in UV exposure. With a UV Index of 6, categorized as high, the burn time is significantly reduced to just 25 minutes. This heightened level of UV radiation marks a clear transition from the milder conditions of the earlier months, where the UV Index was only moderate in February and March. As the days grow warmer and sunnier, it's essential to stay vigilant and protect your skin during this time. Looking ahead, May brings an even steeper rise, reaching a UV Index of 8, underscoring the importance of sun safety. For a detailed look at how the UV Index varies throughout the year in Karlsruhe, check out Karlsruhe UV Index.

Maximum UV Index Levels in Karlsruhe for April

The chart shows the monthly maximum UV Index (UVI) for Karlsruhe 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: Karlsruhe 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 Karlsruhe

As the seasons turn in Karlsruhe, April emerges as a brilliant highlight in the annual sunshine calendar, showcasing a remarkable 348 hours of sunlight. This vibrant month is a significant departure from the winter gloom, where January's mere 127 hours feels like a distant memory. Following a steadily increasing trend since February, the days lengthen and grow brighter, culminating in a delightful burst of energy. The progression into May and June only promises more brilliance, with the sun intensifying further, reaching its peak in July with 415 hours of radiant light. This blossoming of sunshine during April not only invigorates the landscape but also instills a renewed sense of joy and anticipation for the warmer months ahead, illustrating nature's cyclical beauty.

Monthly Sunshine Duration in Karlsruhe: April Highlighted

The April sunshine duration represents the total number of hours Karlsruhe 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.
JanFebMarAprMayJunJulAugSepOctNovDec127h206h280h348h390h395h415h384h322h263h191h144h
Data source: Karlsruhe April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Karlsruhe During April

April in Karlsruhe, Germany, marks a notable shift in the likelihood of sunny weather, with a 49% chance of sunshine. This increase follows a gradual rise from the 12% observed in January and peaks in this spring month, showcasing a trend toward brighter days as winter wanes. As temperatures begin to warm in March with 45% sunny days, April serves as a pivotal moment, setting the stage for the sunnier months ahead. Following April, the chances of sun dip again, with May at 32% and June at 33%, highlighting a unique time when residents can embrace the outdoors and enjoy the blossoming beauty of spring. Overall, April stands out as a promising precursor to more consistently sunny weather in Karlsruhe.

Percentage of Sunny Days in April in Karlsruhe

The chart illustrates the percentage of sunny days in Karlsruhe 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 Karlsruhe experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%40%45%49%32%33%39%33%47%35%25%18%
Data source: Karlsruhe April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Karlsruhe in April

As spring blossoms in Karlsruhe, April brings a significant increase in daylight duration, extending to 13 hours—a delightful leap from the 11 hours of March. This month marks a pivotal transition, as the days grow longer and brighter, encouraging residents to embrace outdoor activities and enjoy nature's revival. Following the trend of increasing sunlight, May and June promise even more luminous days ahead, reaching 15 and 16 hours, respectively. This gradual ascent in daylight not only enhances the city's picturesque scenery but also energizes the community, fostering a vibrant atmosphere that is characteristic of this season. In the context of the year, April serves as a crucial stepping stone towards the sun-drenched days of summer, setting the stage for warmer and brighter experiences ahead.

Average Daylight Hours in Karlsruhe for April

The chart illustrates the variation in daylight duration in Karlsruhe throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 43m10h 9m11h 55m13h 44m15h 19m16h 7m15h 41m14h 17m12h 32m10h 44m9h 7m8h 16m
Data source: Karlsruhe daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Karlsruhe

In April, Karlsruhe experiences a gentle breeze with an average wind speed of 2.7 m/s (6 mph), marking it as the calmest month so far this year. This decline from the slightly breezier months of January (3.5 m/s) and February (3.0 m/s) sets the tone for a tranquil spring, inviting residents and visitors alike to enjoy the blooming parks and pleasant outdoor activities. As the season progresses into May, we can expect a slight uptick in wind, returning to a more robust 3.7 m/s (8 mph), hinting at the seasonal shift and the impending warmth of the approaching summer. This trend reflects a common characteristic of April: a moment of stillness before nature fully awakens, making it an ideal time to relish the serene beauty of Karlsruhe.

Average April Wind Speed in Karlsruhe

The chart displays monthly wind speed patterns in Karlsruhe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.03.02.7 m/s3.72.12.42.62.12.62.63.1
Data source: Karlsruhe April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Karlsruhe Compares to Other Months

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

In comparing the weather of April and January, a significant difference in temperature is evident. April experiences a milder range, with minimum temperatures around -3°C (27°F) and maximums reaching up to 28°C (82°F), while January is much colder, starting at a minimum of -12°C (10°F) and capping at 14°C (57°F). Precipitation is also noteworthy; April has less rainfall at 36 mm (1.4 in) over 8 days, compared to January's 75 mm (2.9 in) over 12 days. Additionally, humidity levels are slightly lower in April at 83%, compared to January's higher humidity of 91%. For more detailed information, you can check Karlsruhe weather in January.

April weather shows a noticeable warming trend compared to February, with average temperatures rising from 5°C (40°F) in February to a more pleasant 11°C (52°F) in April. February can be quite cold, with minimum temperatures dropping to -12°C (10°F), while in April the temperatures are milder, with a minimum of -3°C (27°F) recorded. Furthermore, precipitation in February is higher at 68 mm (2.7 in) over 11 days, compared to April's 36 mm (1.4 in) over 8 days, indicating that April tends to be drier. However, both months experience relatively high humidity, with February at 89% and April slightly lower at 83%. For more detailed insights, you can check Karlsruhe weather in February.

In comparing the weather of April and March, April shows a notable increase in average temperatures, with a minimum of -3°C and a comfortable average of 11°C, reaching a maximum of 28°C. In contrast, March is cooler, with temperatures ranging from a minimum of -11°C to an average of 7°C, peaking at 23°C. While April experiences less rainfall, totaling 36 mm over 8 days, March is much wetter, receiving 76 mm of precipitation over 14 days. Humidity levels are slightly lower in April at 83%, compared to March's 87%. For more detailed insights into March weather, visit Karlsruhe weather in March.

April and May present notable differences in weather patterns. April has a wider temperature range, with a minimum of -3°C (27°F) and a maximum reaching 28°C (82°F), while May's temperatures are more stable, ranging from 1°C (34°F) to 31°C (88°F). In April, there is an average temperature of 11°C (52°F) compared to May’s 14°C (58°F). Precipitation increases in May, totaling 84 mm (3.3 in) over 13 days, compared to April's 36 mm (1.4 in) over 8 days. Despite May being slightly wetter, it boasts lower humidity at 79%, compared to April's 83%. For a detailed look at what to expect in May, visit Karlsruhe weather in May.

April and June present notably different weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a more comfortable maximum of 28°C (82°F), with an average of 11°C (52°F). The month sees 36 mm (1.4 in) of precipitation over about 8 days, with humidity levels at 83%. In contrast, June boasts milder minimum temperatures starting at 8°C (47°F), soaring to a maximum of 36°C (96°F) and averaging around 20°C (68°F). This month experiences more precipitation, totaling 79 mm (3.1 in) across 11 days, while humidity remains slightly lower at 82%. For a deeper look at weather conditions in June, visit Karlsruhe weather in June.

April and July in Karlsruhe present distinct weather contrasts. In April, temperatures fluctuate significantly with a minimum of -3°C (27°F) and an average of 11°C (52°F), reaching a maximum of 28°C (82°F). The month experiences about 36 mm (1.4 in) of precipitation over 8 days, with humidity levels at a high 83%. In contrast, July is considerably warmer, featuring a minimum temperature of 10°C (50°F), an average of 21°C (70°F), and soaring to a maximum of 38°C (101°F). This month sees increased rainfall, totaling around 67 mm (2.6 in) over 12 days, while maintaining the same humidity level of 83%. For more detailed information, you can check Karlsruhe weather in July.

April and August present contrasting weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a mild average of 11°C (52°F), peaking at 28°C (82°F). This month sees approximately 36 mm of precipitation over 8 days, with humidity levels around 83%. In contrast, August offers warmer temperatures, starting at a minimum of 8°C (47°F) and averaging 21°C (69°F), with a maximum reaching 35°C (95°F). This summer month experiences heavier rainfall with about 60 mm over 12 days and a similar humidity level of 84%. For more detailed information on August weather, you can check this Karlsruhe weather in August.

April and September present distinct weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a warm maximum of 28°C (82°F), with an average temp of 11°C (52°F). The month experiences about 36 mm (1.4 in) of precipitation over 8 days, and humidity levels are relatively high at 83%. In contrast, September offers a milder climate, with temperatures starting at a minimum of 4°C (40°F) and reaching a maximum of 32°C (90°F), resulting in an average of 16°C (62°F). This month also sees increased precipitation, totaling 48 mm (1.9 in) across 8 days, and a slight rise in humidity to 85%. For more detailed information, check out Karlsruhe weather in September.

April and October present distinct weather patterns, each with their own traits. In April, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable average of 11°C (52°F), peaking at a warm 28°C (82°F). The month sees relatively light precipitation, accumulating to 36 mm (1.4 in) over about 8 days, and the humidity averages around 83%. In contrast, October's temperatures are slightly milder, with a minimum of 2°C (36°F) and an average of 12°C (54°F), reaching a maximum of 27°C (80°F). However, it experiences more rainfall, totaling 68 mm (2.7 in) across approximately 13 days and slightly higher humidity at 88%. For more detailed information, you can check Karlsruhe weather in October.

April and November present distinct weather patterns, with April showcasing a wider temperature range, from a chilly minimum of -3°C (27°F) to a warm maximum of 28°C (82°F) and an average of 11°C (52°F). In contrast, November features a slightly milder average temperature of 6°C (44°F) and a maximum of 22°C (72°F), but with more consistent chill, as its minimum is just -2°C (29°F). Precipitation is more frequent in November, with 53 mm (2.1 in) over 10 days compared to April’s 36 mm (1.4 in) spread across 8 days. Humidity also climbs higher in November, reaching 89% compared to April's 83%. For more insights, see Karlsruhe weather in November.

April and December exhibit notable differences in weather, reflecting the transition from spring to winter. In April, temperatures range from a minimum of -3°C (27°F) to a maximum of 28°C (82°F), with an average of 11°C (52°F). This month also sees a total precipitation of 36 mm (1.4 in) spread over about 8 days, accompanied by a humidity level of 83%. In contrast, December is much colder, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F), averaging around 4°C (40°F). It experiences significantly higher precipitation at 108 mm (4.2 in) over 18 days and a higher humidity level of 91%. For more detailed information, you can check Karlsruhe weather in December.

Compare Karlsruhe's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Karlsruhe

April in Karlsruhe ushers in a refreshing shift from the chilly grip of winter, boasting a delightful mix of mild temperatures and blooming landscapes. As the month progresses, residents and visitors can enjoy an invigorating average temperature, contrasting with the colder months. While occasional rain showers may occur over about eight days, the overall atmosphere remains vibrant with an average humidity that hints at the approaching warmth of summer. For those looking to explore more about Karlsruhe's weather patterns, be sure to check out Karlsruhe Climate.