Last updated: February 26, 2025
April in Bonn, Germany, presents a delightful yet varied climate, with maximum temperatures reaching 27°C (81°F), showcasing the potential for mild spring days. The average temperature lingers around 10°C (50°F), while a chill can still be felt with minimums dropping to -3°C (26°F). Despite the warmth, the month is characterized by 36 mm (1.4 in) of rainfall over 9 days, contributing to the region's vibrant greenery. Humidity levels remain high at 84%, making for a refreshing but sometimes damp atmosphere as nature awakens from its winter slumber.
April in Bonn, Germany, marks a delightful shift towards warmer days as spring takes hold. With minimum temperatures hovering around -3°C (26°F), the city begins to shake off the winter chill, while average temperatures rise to a pleasant 10°C (50°F). This month showcases a remarkable range, with maximum temperatures peaking at a balmy 27°C (81°F), signaling that milder days are on the horizon. As flowers bloom and trees regain their vibrancy, April offers a perfect blend of cool mornings and sun-kissed afternoons, making it an ideal time for outdoor exploration and enjoying the invigorating fresh air.
In April, Bonn, Germany, experiences a noticeable drop in precipitation, with only 36 mm (1.4 in) recorded over just 9 days of rain. This marks a significant decrease compared to the preceding months, where January, February, and March each saw more than 68 mm of precipitation, highlighting a trend towards drier conditions as spring sets in. The milder and sunnier weather in April often encourages outdoor activities, allowing residents to shake off the remnants of winter and embrace the blooming landscape. As the month progresses into May, precipitation levels climb back up, suggesting that the gentle rains of spring are integral to the region's lush greenery, although April stands out as a transitional period with relatively lower rainfall.
In April, Bonn, Germany experiences a decline in humidity, dropping to 84% from the previous month's 87%. This decreasing trend signals the arrival of spring, as the region gradually shifts from the winter’s peak humities—hovering above 90% in January and February—to more comfortable levels. Following April, humidity continues to decrease, reaching a low of 72% in the height of summer. The transition into warmer months brings not only a rise in temperatures but also a refreshing change in the air, making April a pivotal month as the city breathes easier before the humidity begins to creep back up again in the fall.
As spring unfolds in Bonn, Germany, April brings a moderate UV Index of 5, indicating a noticeable shift in sun exposure compared to the earlier months of the year. With a burn time of 30 minutes, residents and visitors should be mindful of their time spent outdoors, as the increasing UV intensity marks a departure from the winter's low risk levels. Following April, UV exposure will escalate further in May, when the index reaches 7, pushing towards high levels. This trend underscores the importance of sun protection measures as we transition from the cool winter months to the sunnier days ahead. For more detailed UV insights, check out Bonn UV Index.
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As April arrives in Bonn, Germany, the city basks in a vibrant 341 hours of sunshine, marking a significant leap from the preceding months. This steady increase from 266 hours in March reflects the seasonal transition and the awakening of nature. The upward trend continues towards spring and summer; May showcases a dazzling 390 hours, paving the way to even sunnier June and July, which boast over 400 hours of sunshine each. With each passing month, the brightness blossoms, creating an inviting atmosphere perfect for outdoor activities, leisurely strolls, and enjoying the beauty of this historic city. As the days lengthen, Bonn transforms into a sun-drenched haven, enhancing its charm and allure.
As spring unfolds in Bonn, Germany, April brings a promising 40% chance of sunny weather. This marks a slight decline from the preceding month's 42%, hinting at a ribbon of variability that often trails the transition into warmer months. By comparison, the sunny spell peaks in March, gradually setting the stage for April's slightly less consistent sunshine. Interestingly, as the year progresses, the probabilities dip again through May and further into the summer, maintaining an average of around 31%. This pattern underscores April's role as a bridge between the crispness of early spring and the sun-drenched days of summer, making it a hopeful month for those yearning for sunshine in Bonn.
As spring unfolds in Bonn, Germany, April heralds a notable increase in daylight, offering residents an average of 13 hours of sunlight—two hours more than in March. This shift underscores the gradual lengthening of days as the year progresses, paving the way for the vibrant growth of flora and a more active outdoor lifestyle. Following April, May pushes the daylight to a generous 15 hours, further energizing the community. This trend of escalating sunlight continues through June, culminating in the longest days of the year. As summer approaches, the gradual transition from the shorter days of winter becomes increasingly evident, setting a rhythm of rejuvenation and activity that characterizes the season.
April in Bonn, Germany, welcomes a gentle whisper of spring with an average wind speed of 3.0 m/s (7 mph). This marks a slight decline from the preceding months, as March experienced a brisker flow at 3.4 m/s (8 mph). Interestingly, April tends to act as a transitional period; while the winds soften, the breezy days of May promise a refreshing uptick back to 3.5 m/s (8 mph). Throughout the year, wind patterns reflect a clear seasonal shift: winter months like January and December boast stronger gusts around 3.6 m/s and 3.5 m/s respectively, while the balmy summer months of June through August see a noticeable dip, with averages falling to around 2.4 m/s (5 mph). Thus, April, with its milder winds, serves as a prelude to the warmer days ahead, embodying both a calm embrace of spring and a glimpse of the seasonal variations to come.
The weather in Bonn 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 Bonn and find detailed weather information for every month.
When comparing the weather in April and January, there are notable differences in temperature and precipitation. April sees a wider range of temperatures, with a minimum of -3°C (26°F) and a pleasant average of 10°C (50°F), peaking at 27°C (81°F). In contrast, January experiences colder conditions, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 14°C (58°F) and an average of just 3°C (38°F). Additionally, January is characterized by higher precipitation levels, accumulating 72 mm (2.8 in) over 14 days, compared to April's 36 mm (1.4 in) over 9 days. Humidity levels are also slightly higher in January at 91%, compared to April's 84%. For more details on January weather, you can check out Bonn weather in January.
When comparing the weather in April and February, we observe a marked transition from the colder winter months to the milder spring conditions. February experiences lower temperatures, with a minimum of -10°C (14°F) and an average of 5°C (41°F), while April sees much warmer weather, with a minimum of -3°C (26°F) and an average of 10°C (50°F). Precipitation is notable in both months, but February tends to be wetter, receiving 68 mm (2.7 in) over 12 days compared to April's 36 mm (1.4 in) spread across 9 days. Additionally, humidity levels are higher in February at 90%, making the colder temperatures feel even more biting, whereas April's humidity is slightly lower at 84%. For a deeper dive into February weather specifics, check out Bonn weather in February.
April weather sees a marked improvement compared to March, with average temperatures rising from 7°C (45°F) in March to 10°C (50°F) in April. The minimum temperatures also rise notably, from a chilly -10°C (15°F) in March to a milder -3°C (26°F) in April. Although March experiences more precipitation at 72 mm (2.8 in) over 15 days, April still receives a fair amount of rain at 36 mm (1.4 in) over 9 days. The humidity levels are slightly lower in April, averaging 84% compared to March's 87%. For a detailed look at March conditions, check out Bonn weather in March.
April and May present notable contrasts in weather patterns. April starts with cooler temperatures, ranging from a chilly minimum of -3°C (26°F) to a mild average of 10°C (50°F), and can peak at 27°C (81°F). The month experiences around 36 mm (1.4 in) of precipitation over approximately 9 days, coupled with high humidity at 84%. In contrast, May sees a rise in temperatures, with a minimum of 0°C (33°F), an average of 14°C (57°F), and a maximum reaching 33°C (91°F). Precipitation increases to 70 mm (2.8 in), occurring on about 13 days, while humidity slightly decreases to 77%. For more detailed information, you can check Bonn weather in May.
April and June show a noticeable contrast in weather patterns. In April, temperatures range from a chilly minimum of -3°C (26°F) to an average of 10°C (50°F), with a maximum of 27°C (81°F). The month experiences relatively moderate precipitation of 36 mm (1.4 in) over 9 days, coupled with high humidity levels of 84%. In contrast, June boasts significantly warmer temperatures, with minimums around 8°C (47°F) and an average of 19°C (66°F), peaking at a hot 35°C (95°F). This month sees increased rainfall, totaling 68 mm (2.7 in) across 11 days, but with lower humidity at 74%. For a detailed look at what to expect in June, visit Bonn weather in June.
April and July present quite a contrast in weather patterns. In April, temperatures can dip as low as -3°C (26°F) and average around 10°C (50°F), with a maximum of 27°C (81°F). The month also experiences considerable humidity at 84% and receives about 36 mm (1.4 in) of precipitation over 9 days. In stark contrast, July boasts much warmer temperatures, with a minimum of 8°C (47°F) and an average of 20°C (67°F), reaching highs of up to 40°C (105°F). Precipitation increases to 93 mm (3.7 in) over 11 days, and humidity drops to 72%. This dramatic shift underscores the transition from the cool, wet spring of April to the hot, humid summer typical of July. For more details, check out the Bonn weather in July.
In comparing the weather between April and August, it's evident that August is generally warmer and wetter. April features a broader temperature range, with minimum temperatures dropping to -3°C (26°F) and maximums reaching 27°C (81°F), while the average sits at a chilly 10°C (50°F). In contrast, August has milder minimum temperatures of 7°C (44°F) and can soar up to a sweltering 36°C (98°F), with an average of 20°C (67°F). Additionally, August experiences more significant precipitation, totaling 80 mm (3.2 in) over 15 days, compared to April's 36 mm (1.4 in) over 9 days. The humidity in April is higher at 84%, while it is more comfortable in August at 71%. For more detailed information, you can visit Bonn weather in August.
April and September present distinct contrasts in weather patterns. In April, temperatures range from a chilly -3°C (26°F) at night to a comfortable 27°C (81°F) during the day, with an average temperature of around 10°C (50°F). The month experiences about 36 mm (1.4 in) of precipitation over 9 days, accompanied by high humidity levels at 84%. On the other hand, September sees temperatures starting at a slightly warmer minimum of 2°C (36°F), peaking at 34°C (93°F) and averaging 16°C (60°F). Rainfall increases to 55 mm (2.2 in) over 10 days, while humidity remains relatively lower at 81%. For more insights on the specific conditions in September, you can visit Bonn weather in September.
April and October present contrasting weather patterns, despite having similar maximum temperatures. In April, temperatures range from a chilly minimum of -3°C (26°F) to a pleasant average of 10°C (50°F) and can reach up to 27°C (81°F). This month experiences lower precipitation with about 36 mm (1.4 in) over 9 rainy days and a humidity level of 84%. In contrast, October showcases slightly milder temperatures, with minimums around 0°C (33°F), an average of 12°C (54°F), and a peak similar to April at 27°C (80°F). However, it sees increased precipitation totaling 71 mm (2.8 in) across 14 days, alongside a slightly higher humidity of 88%. For a detailed look at what to expect, you can check out Bonn weather in October.
April and November present distinct weather patterns, with April experiencing generally milder temperatures, ranging from a minimum of -3°C to a maximum of 27°C, and an average of 10°C. This month typically sees 36 mm of precipitation over 9 days, with humidity averaging 84%. In contrast, November features slightly cooler temperatures, with a minimum of -4°C and a maximum of 20°C, averaging 7°C. Precipitation increases to 54 mm over 12 days, while humidity rises to 91%. For more details on November weather, you can visit Bonn weather in November.
April and December present contrasting weather conditions. In April, temperatures generally range from a minimum of -3°C (26°F) to an average of 10°C (50°F), peaking at a comfortable 27°C (81°F). The month sees about 36 mm (1.4 in) of precipitation spread over 9 days, with a humidity level of 84%. In contrast, December experiences lower temperatures, with a minimum of -5°C (23°F) and an average of 5°C (41°F), while the maximum is only 15°C (59°F). This winter month is characterized by significantly higher precipitation at 100 mm (4.0 in) over 19 days and elevated humidity at 92%. For more specific details about the December climate, you can check Bonn weather in December.
April in Bonn marks a distinct transition from the chill of winter to the warmth of spring. With temperatures soaring to pleasant highs and lingering cold snaps still possible, this month offers a unique blend of weather patterns. The average temperature begins to rise, inviting the blossoming of colorful blooms, yet occasional frosty nights remind us of winter’s lingering presence. While April sees a moderate amount of rainfall, the humidity levels are noticeably high, contributing to the lushness of the landscape. This month stands out as a time of change, setting the stage for the sunnier days ahead. For a deeper understanding of what to expect throughout the year, explore more about the city's weather at Bonn Climate.