Last updated: February 26, 2025
April in Heilbronn, Germany showcases a delightful blend of springtime warmth and occasional coolness. With maximum temperatures soaring up to 27°C (80°F) and an average of 10°C (50°F), the month offers a refreshing escape from winter's chill. However, the mercury can dip as low as -4°C (26°F), reminding residents of the lingering coolness. Rainfall is relatively moderate, with 37 mm (1.5 in) accumulated over 9 days, adding a touch of rejuvenation to the landscape. The humidity often hovers around 83%, contributing to the crisp, invigorating atmosphere that defines this transitional month in Heilbronn.
In April, Heilbronn begins to shake off the winter chill, showcasing an exciting transformation in temperatures. With a minimum of -4°C (26°F) and an average of 10°C (50°F), the month marks a noticeable upward trend. The max temperature can soar to 27°C (80°F), hinting at the warmer days ahead. This substantial leap from the cooler months fosters a refreshing change, as locals and visitors alike embrace outdoor activities. The emerging warmth not only invites blooming flora but also hints at the vibrant life that will fully unfurl in the coming months of spring and summer.
April in Heilbronn, Germany, brings a welcome break from the wetter months of winter and early spring, with average precipitation dropping to 37 mm (1.5 in) over just 9 days. This marks a significant decrease compared to March, which sees 91 mm (3.6 in) across 14 days. As spring unfolds, April's milder and drier conditions set the stage for the blossoming of nature, making it an ideal month for outdoor activities. Following April, rainfall resumes with 85 mm (3.3 in) in May, indicating a seasonal trend where late spring often brings increased moisture again, combining both sun and showers to nurture the vibrant landscapes of the region.
April marks a noticeable shift in humidity levels in Heilbronn, Germany, with an average of 83%. This decline from the higher winter months, where humidity hovers around 91% in January and 89% in February, signals the arrival of spring. As the year progresses, humidity continues to decrease, reaching its lowest point at 79% in May before gently rising again through the summer. This pattern not only reflects the changing seasons but also enhances the overall comfort as warmer temperatures begin to dominate the landscape, making April an inviting prelude to the joys of spring.
As April unfolds in Heilbronn, Germany, residents can expect an uptick in the UV Index, peaking at 6, which falls into the high exposure category. This significant jump from the earlier months highlights the transition into spring, with a corresponding reduction in burn time to just 25 minutes. As we move further into the year, particularly in May, the UV Index will soar to 8, indicating very high exposure and necessitating even greater precautions. This upward trend emphasizes the importance of sun protection as warmer days approach. For detailed insights and real-time updates, check out the Heilbronn UV Index.
UV Risk Categories
April marks a vibrant turning point in Heilbronn, Germany, where the sun shines for an impressive 346 hours—a delightful prelude to the summer months ahead. This notable increase from 281 hours in March reflects the region's steady transition into warmer days, with sunshine steadily growing as spring unfolds. The trend continues apace in May and June, with hours peaking at 390 hours, promising sun-soaked adventures and blossoming landscapes. As the year progresses, the gradual decline in sunlight during the latter months serves as a gentle reminder of the changing seasons, making April a cherished and luminous highlight in Heilbronn’s annual cycle. Embrace the sunshine and revel in the beauty of spring!
As April unfolds in Heilbronn, Germany, the chance of sunny weather begins to brighten, reaching a noteworthy 46%. This marks a significant increase from the winter months, where sunshine was a rare treat, with January languishing at just 11%. The transition towards spring is palpable, as March trails closely behind with a 44% chance, suggesting that the sun's embrace is becoming ever more frequent. While the peak of sunshine in April heralds promising days ahead, the likelihood quickly tapers off in May (30%) and summer months, indicating a fluctuating pattern where sun and clouds dance throughout the year. Embrace the April sunshine while it lasts—it's part of Heilbronn's charming seasonal rhythm!
As spring unfolds in Heilbronn, Germany, April brings a delightful increase in daylight, with an average of 13 hours of light each day. This marks a notable rise from the 11 hours seen in March, signaling the transition into longer, sunnier days. The upward trend continues into May and June, where daylight duration peaks at 15 and 16 hours, respectively. This gradual increase highlights the shift from the winter blues, experienced during the darker months of January and February, to the vibrant energy of late spring and early summer. As April sets the stage for the longer days ahead, residents can embrace the warmth and brightness that this month promises.
In Heilbronn, April brings a gentle breeze with an average wind speed of 2.6 m/s (6 mph), slightly calmer than the preceding months of January to March. This modest decline hints at the transition from the briskness of early spring into warmer days ahead. While January and May showcase higher averages of 3.4 m/s (8 mph) and 3.5 m/s (8 mph) respectively, April's winds create a soothing atmosphere perfect for outdoor strolls as nature begins to awaken. Following this mild month, the wind speeds dip further into June at 2.1 m/s (5 mph), reflecting a trend of gradual decline through the summer months. Overall, April's breeziness is a refreshing balance, bridging the crispness of winter and the balmy warmth of summer.
The weather in Heilbronn 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 Heilbronn and find detailed weather information for every month.
April and January weather exhibit significant differences in temperature, precipitation, and humidity. In January, the average temperature hovers around 2°C (35°F), with lows reaching -13°C (8°F) and only climbing to a maximum of 13°C (55°F). The month experiences higher precipitation levels at 80 mm (3.1 in) over 12 days, accompanied by a humidity of 91%. In contrast, April brings a more moderate climate, with average temperatures climbing to 10°C (50°F) and a milder range from -4°C (26°F) to a warm 27°C (80°F). Precipitation in April is less intense at 37 mm (1.5 in) spread over 9 days, although humidity remains high at 83%. For a closer look at January's weather specifics, visit Heilbronn weather in January.
When comparing the weather in April to that in February, notable differences arise. April generally experiences milder temperatures, with a minimum of -4°C (26°F) and an average of 10°C (50°F), whereas February is colder, with a minimum of -12°C (12°F) and an average of 4°C (39°F). Additionally, April sees a maximum temperature of 27°C (80°F), allowing for warmer days, while February's peak is only 19°C (66°F). In terms of precipitation, February has a higher total of 74 mm (2.9 in) over 11 days, compared to April's 37 mm (1.5 in) spread over 9 days. Humidity levels are slightly lower in April at 83% compared to February's 89%. For a closer look at February's climate specifics, you can check Heilbronn weather in February.
In comparing the weather of March and April, one can observe a marked transition. While March experienced colder temperatures with a minimum of -11°C (13°F) and an average of 6°C (43°F), April saw a significant rise, with temperatures ranging from a minimum of -4°C (26°F) to an average of 10°C (50°F). Precipitation was notably higher in March, totaling 91 mm (3.6 in) over 14 days, compared to April's 37 mm (1.5 in) over 9 days, indicating a drier month as spring progressed. Humidity levels remained somewhat similar, with March at 87% and April at 83%. For a closer look at March weather specifics, check Heilbronn weather in March.
April and May exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of -4°C (26°F) to a mild maximum of 27°C (80°F), with an average temperature of 10°C (50°F). The month sees around 37 mm (1.5 in) of precipitation over 9 days and maintains high humidity at 83%. In contrast, May brings warmer weather, with temperatures starting from a minimum of -1°C (30°F) and peaking at 30°C (87°F), resulting in an average of 14°C (57°F). It also experiences a significant increase in precipitation, totaling 85 mm (3.3 in) over 14 days, while humidity slightly decreases to 79%. For more detailed information, you can check Heilbronn weather in May.
April and June exhibit distinct differences in weather conditions. In April, temperatures range from a chilly minimum of -4°C (26°F) to a pleasant average of 10°C (50°F), peaking at a maximum of 27°C (80°F). The month experiences moderate precipitation of 37 mm (1.5 in) over 9 days, alongside relatively high humidity at 83%. In contrast, June shows a significant increase in temperature, with a minimum of 7°C (44°F), an average of 19°C (66°F), and a maximum reaching 34°C (94°F). June also sees higher precipitation, totaling 85 mm (3.4 in) over 12 days, and slightly lower humidity at 82%. For more detailed information, check out Heilbronn weather in June.
In Heilbronn, April and July present strikingly different weather patterns. April temperatures can dip as low as -4°C (26°F), with an average of 10°C (50°F) and a maximum of 27°C (80°F), while July boasts milder conditions, featuring a minimum of 7°C (45°F), an average of 20°C (68°F), and soaring highs reaching 36°C (97°F). Although April sees less precipitation, with 37 mm (1.5 in) across 9 days, July experiences increased rainfall totaling 67 mm (2.6 in) over 12 days, both months maintaining a consistent humidity level of 83%. For more detailed insights, you can check out Heilbronn weather in July.
April and August present quite distinct weather patterns. In April, temperatures range from a chilly -4°C (26°F) at night to a pleasant 27°C (80°F) during the day, with an average temperature of around 10°C (50°F). The month typically sees about 37 mm (1.5 in) of precipitation spread over nine days and maintains a high humidity level of 83%.
In contrast, August enjoys warmer temperatures, with a minimum of 6°C (43°F) and a maximum reaching up to 35°C (95°F), resulting in a comfortable average of 20°C (68°F). Precipitation in August increases to 65 mm (2.6 in) over thirteen days, while humidity remains slightly higher at 84%. For a more detailed look into the August weather patterns, check out this link: Heilbronn weather in August.
April and September present distinct weather profiles. In April, temperatures range from a chilly -4°C (26°F) to a comfortable maximum of 27°C (80°F), with an average of about 10°C (50°F). The month sees around 37 mm (1.5 in) of precipitation over 9 days, accompanied by relatively high humidity at 83%. In contrast, September experiences warmer temperatures, with lows of 3°C (38°F) and daytime highs reaching up to 31°C (88°F), averaging 15°C (60°F). Precipitation increases slightly to 51 mm (2.0 in) over the same number of rainy days, and humidity remains comparable at 85%. For more detailed information about September weather, visit Heilbronn weather in September.
April and October present distinct weather characteristics, reflecting the transition of seasons. In April, temperatures range from a chilly minimum of -4°C (26°F) to a pleasant average of 10°C (50°F), peaking at a warm 27°C (80°F). With approximately 37 mm (1.5 in) of precipitation spread over 9 days, humidity levels sit at 83%. In contrast, October features slightly milder mornings with a minimum of -1°C (31°F) and an average of 11°C (52°F), while the maximum temperature reaches 25°C (77°F). This month experiences more rain, totaling 75 mm (3.0 in) across 12 days and a higher humidity rate of 88%. For more detailed insights, check out Heilbronn weather in October.
April and November present distinct weather patterns as the seasons transition. In April, temperatures typically range from a minimum of -4°C (26°F) to a comfortable average of 10°C (50°F), with occasional peaks reaching up to 27°C (80°F). The month experiences about 37 mm (1.5 in) of precipitation over approximately 9 days, coupled with an average humidity of 83%. In contrast, November tends to be cooler, with temperatures ranging from -3°C (27°F) to an average of 5°C (42°F), and a maximum of 21°C (71°F). Rainfall increases to around 51 mm (2.0 in) also across 9 days, and humidity rises slightly to 89%. For a detailed look at November's climate, check out Heilbronn weather in November.
April and December present notably different weather patterns. In April, temperatures vary more widely, ranging from a chilly -4°C (26°F) at night to a pleasant 27°C (80°F) during the day, with an average temperature of 10°C (50°F). Precipitation is relatively low at 37 mm (1.5 in) over about 9 days, and humidity averages around 83%. In contrast, December features colder conditions, with temperatures reaching a minimum of -7°C (20°F) and an average of just 3°C (38°F), peaking at 14°C (57°F). The month is significantly wetter, with 130 mm (5.1 in) of precipitation over 19 days and higher humidity levels at 91%. For a closer look at what December weather is like, you can explore Heilbronn weather in December.
April in Heilbronn is a month of transition, where the warmth of spring begins to replace the remnants of winter chill. While the temperatures can peak at a comfortable 27°C, the cool averages around 10°C remind us that the season is still finding its footing. With 37 mm of precipitation across 9 days, rain showers are common, but they play a vital role in rejuvenating the landscape, making it vibrant and lush. However, the high humidity at 83% can sometimes make the air feel heavier than in the drier summer months. Overall, April's weather offers a refreshing contrast to the more stable patterns seen in the summer, paving the way for beautiful blooms and lively outdoor activities. For a deeper dive into what you can expect throughout the year, check out Heilbronn Climate.