Last updated: February 26, 2025
Experience the August weather in Bonn, Germany, where temperatures can soar to a maximum of 36°C (98°F), offering warm summer days perfect for outdoor exploration. The average temperature rests comfortably at 20°C (67°F), while evenings can cool down to a minimum of 7°C (44°F), inviting a cozy retreat. This month sees an average precipitation of 80 mm (3.2 in) over 15 days, contributing to a humidity level of 71% that adds a lush vibrancy to the scenic landscapes. Whether you’re attending festivals or strolling along the Rhine, Bonn’s weather provides an intriguing blend of heat and refreshing rainfall, making for a memorable summer experience.
In August, Bonn experiences a warm embrace of summer, with temperatures that reflect the peak of the season. The month typically sees a minimum of 7°C (44°F), rising to an average of 20°C (67°F) and reaching a maximum of 36°C (98°F). This upward trend in temperature from the cooler previous months highlights August as one of the hottest times of the year, continuing the warmth established in July. The city's climate fosters vibrant festivals and outdoor activities, making the most of the long, sunlit days. As summer gracefully transitions into fall, Bonn’s August weather invites both locals and visitors to savor the last moments of summer warmth before the chill sets in.
In August, Bonn experiences a notable increase in rainfall, with 80 mm (about 3.2 inches) of precipitation spread over 15 days. This places August as one of the wetter months of the year, following the particularly rainy July, which saw its peak with 93 mm. The trend suggests a gradual increase in rainfall from April's 36 mm to August's higher totals, marking the summer as a season of fluctuating but generally abundant moisture. As autumn approaches, precipitation begins to taper off, highlighting the transitional nature of the weather in Bonn as the year progresses. The consistent rainfall during this month not only nourishes the lush landscapes but also signals a change in the seasons, making August a pivotal month in the yearly climate cycle.
In Bonn, Germany, August brings a subtle shift in humidity, with levels dipping to 71%, marking the lowest point of the year. As summer peaks, a steady decline from the January high of 91% is evident, gradually decreasing over the months. This trend underscores a transition to drier conditions as the year progresses. The humidity continues to decline through July, suggesting that although temperatures can be high, the air feels more comfortable as fall approaches. However, this decrease is soon countered by a notable rise in September, where humidity jumps back to 81%, hinting at the return of moisture as autumn sets in. The variability throughout the year paints a vivid picture of Bonn's ever-changing climate, with August serving as a brief interlude of relative dryness before the shift back to more humid conditions.
In August, the UV Index in Bonn, Germany remains high at 7, indicating a continued need for sun protection during this summer month. This trend shows a slight decrease from the peak UV levels of 8 experienced in June and July, but with a burn time of only 25 minutes, it's essential to stay vigilant. As the summer winds down, the UV index begins to taper off; however, compared to the earlier months of the year, where the UV levels range from low to moderate, August still demands awareness of sun exposure. To keep informed about UV levels throughout the year and ensure safe outdoor activities, check out the detailed insights at Bonn UV Index.
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August in Bonn, Germany, offers a delightful transition from the sun-soaked highs of summer, recording 378 hours of sunshine. This month typically enjoys a generous amount of daylight, though slightly less than the peak of 407 hours experienced in July. Following a steady increase since January, where the city only sees 111 hours of sunshine, the brightness peaks mid-year, making August perfect for outdoor activities and enjoying the warm weather. As autumn approaches, the days begin to shorten, leading into September’s 314 hours of sunlight, showing a clear trend of diminishing brightness as the year winds down. This gradual decline highlights the fleeting beauty of summer, encouraging residents and visitors alike to soak up the last rays of sun before fall settles in.
In Bonn, Germany, August brings a 33% chance of sunny weather, marking a slight uptick from the previous months like July and June, each hovering around 31%. While August remains relatively stable in terms of sun compared to late spring, the overall trend showcases a gradual increase in sunny opportunities as the summer months progress. The chances are notably better than the bleak 10% in January, emphasizing the shift towards brighter days as the year unfolds. As fall approaches, the anticipation for sunshine begins to decline, with September seeing a 38% chance, suggesting that the summer’s warmth and light linger just a bit longer in Bonn, making it an appealing time for outdoor activities.
In Bonn, Germany, the daylight duration in August marks a gentle decline from the sun-drenched days of summer, providing about 14 hours of daylight. This is slightly less than July's peak of 15 hours, signaling the gradual shift towards autumn. As the year progresses, users can observe a clear trend: the longest days occur in June, with 16 hours of sunlight, gradually tapering off to 10 hours in both February and October. The transition from long summer days to the shorter evenings of winter is evident as daylight dips to just 8 hours by January and December. Overall, August strikes a balance between the exuberance of summer and the onset of cooler seasons, inviting residents and visitors alike to savor the lingering warmth and extended daylight before the days shorten significantly.
In Bonn, Germany, the average wind speed during August settles at a gentle 2.9 m/s (6 mph), marking a transitional phase as summer winds begin to wane. This slight decrease follows the peak summer months, where wind speeds hovered around the 3.4 m/s to 3.7 m/s range earlier in the year. Notably, June and July experienced even calmer breezes, with speeds dropping to 2.4 m/s (5 mph) and 2.6 m/s (6 mph), respectively. As Bonn shifts toward autumn, the wind typically picks up again in September, underscoring a seasonal pattern where tranquility gives way to brisker days. This ebb and flow of wind speeds encapsulates the charming rhythm of Bonn’s climate, inviting both locals and visitors to savor the gentle summer air before the refreshing breezes of fall arrive.
The weather in Bonn changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August'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.
August and January present contrasting weather extremes. In August, temperatures soar, with a minimum of 7°C (44°F) and maxing out at a sweltering 36°C (98°F), while averaging around 20°C (67°F). The month sees about 80 mm (3.2 in) of precipitation spread over 15 days, accompanied by a humidity level of 71%, making the heat feel more intense. In stark contrast, January's chill brings a minimum temperature of -8°C (18°F) and a maximum of 14°C (58°F), with an average of just 3°C (38°F). This month experiences slightly less precipitation at 72 mm (2.8 in) across 14 days but has a higher humidity of 91%, contributing to a damp and cold atmosphere. For a more detailed exploration of January weather, check out Bonn weather in January.
August generally boasts warmer temperatures, with averages around 20°C (67°F) and maximums reaching up to 36°C (98°F), making it a popular time for outdoor activities. In contrast, February experiences much cooler weather, with average temperatures hovering around 5°C (41°F) and lows dipping to -10°C (14°F). Both months see a fair amount of precipitation; however, August tends to be slightly wetter with around 80 mm (3.2 in) compared to February's 68 mm (2.7 in), albeit with a higher humidity level in February at 90%. For more detailed information, visit Bonn weather in February.
In comparing the weather between August and March, notable differences emerge. August typically brings warmer temperatures, with daily averages around 20°C (67°F) and maximums reaching up to 36°C (98°F). In contrast, March sees much cooler temperatures, averaging just 7°C (45°F) and dipping to a minimum of -10°C (15°F). Precipitation levels are comparable, with August receiving 80 mm (3.2 in) and March slightly less at 72 mm (2.8 in), both spread over approximately 15 days. Additionally, March exhibits higher humidity at 87% compared to August's 71%, which can make the cooler temperatures feel even more pronounced. For further details on March weather specifics, you can visit Bonn weather in March.
When comparing the weather in August and April, a stark contrast can be observed. August features a much wider temperature range, with minimums around 7°C (44°F) and maximums reaching up to 36°C (98°F), resulting in an average temperature of 20°C (67°F). In contrast, April starts off chillier, with minimum temperatures dipping to -3°C (26°F) and maximums averaging at 27°C (81°F), bringing the overall average to 10°C (50°F). Precipitation is also more frequent in August, averaging 80 mm over 15 days compared to April's 36 mm over just 9 days. Additionally, while August has a humidity level of 71%, April's humidity is slightly higher at 84%. For more details, visit Bonn weather in April.
When comparing the weather in August and May, a notable contrast emerges in both temperature and humidity levels. August typically experiences higher temperatures, with daily averages around 20°C (67°F) and peaks reaching up to 36°C (98°F), while May’s temperatures hover at a cooler average of 14°C (57°F) with maximums of 33°C (91°F). Additionally, August sees more precipitation, totaling 80 mm (3.2 in) over about 15 days, compared to May's 70 mm (2.8 in) across 13 days. However, humidity levels are slightly higher in May at 77%, compared to August's 71%. For a more detailed view of May's weather patterns, you can visit Bonn weather in May.
When comparing the weather in June and August, we see some notable differences. June tends to have slightly cooler temperatures, with a minimum of 8°C (47°F) and an average of 19°C (66°F), while August features a broader temperature range, with a minimum of 7°C (44°F) and an average of 20°C (67°F), peaking at a high of 36°C (98°F). Precipitation in June is also lower, with 68 mm (2.7 in) over 11 days compared to August's 80 mm (3.2 in) across 15 days. Humidity levels are similar, with June at 74% and August slightly lower at 71%. For more insights on June weather specifics, visit Bonn weather in June.
In comparing the weather between July and August, both months exhibit similar average temperatures with July maintaining a slight edge in maximum temperatures at 40°C (105°F) compared to August's 36°C (98°F). However, August experiences slightly lower minimum temperatures, with a low of 7°C (44°F) compared to July's 8°C (47°F). Precipitation levels are also noteworthy; July sees more rainfall at 93 mm (3.7 in) across 11 days, whereas August totals 80 mm (3.2 in) over 15 days, indicating a wetter month in terms of distribution. Humidity remains consistent across both months, with July at 72% and August at 71%. For more detailed insights, you can refer to Bonn weather in July.
August tends to be warmer and more humid than September, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 36°C (98°F) and an average of 20°C (67°F). In contrast, September experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 16°C (60°F), reaching up to 34°C (93°F) at its peak. While August sees about 80 mm (3.2 in) of precipitation over 15 days, September has less rainfall at 55 mm (2.2 in) over 10 days. Interestingly, humidity slightly increases in September to 81%, compared to August's 71%. For more details, you can explore Bonn weather in September.
August presents a much warmer climate compared to October, with average temperatures ranging from a minimum of 7°C (44°F) to a sweltering maximum of 36°C (98°F). The month experiences significant humidity at 71% and sees about 80 mm (3.2 in) of precipitation over 15 days. In contrast, October cools down considerably, with average temperatures varying from a chilly 0°C (33°F) to a mild 27°C (80°F). While precipitation decreases slightly to 71 mm (2.8 in) over 14 days, humidity rises to a higher level of 88%. For more detailed insights on October weather conditions, you can check out Bonn weather in October.
August and November present striking contrasts in weather. August typically boasts warmer temperatures, with averages around 20°C (67°F) and highs reaching up to 36°C (98°F), coupled with relatively lower humidity at 71%. In contrast, November sees a significant drop in temperatures, averaging 7°C (45°F) with minimums dipping to -4°C (26°F) and highs only reaching 20°C (69°F). Additionally, while August experiences more precipitation (80 mm over 15 days), November brings slightly less at 54 mm over 12 days, although the humidity is higher at 91%. For a closer look at November conditions, you can visit Bonn weather in November.
The weather in August is characterized by much warmer temperatures, with averages around 20°C (67°F) and maximums reaching up to 36°C (98°F), making it a peak summer month. In contrast, December experiences much colder conditions, with an average temperature of 5°C (41°F) and maximums only reaching 15°C (59°F). Additionally, while August sees about 80 mm (3.2 in) of precipitation over 15 days, December has slightly higher precipitation at 100 mm (4.0 in) over 19 days, contributing to a more humid environment with a humidity level of 92%. For more detailed insights into December weather, you can refer to Bonn weather in December.
August in Bonn ushers in a warm and humid atmosphere, marked by higher temperatures that soar compared to other months. While the average temperature hovers around a comfortable 20°C, the occasional spike to a scorching 36°C brings a taste of summer’s peak, leading to vibrant days filled with sunshine. However, this month also sees an increase in precipitation, with 15 days experiencing rain, contributing to the overall humidity level of 71%. These conditions make August distinctively dynamic, blending sunny warmth with the refreshing showers typical of a transitional season. For a deeper dive into the weather patterns throughout the year, visit Bonn Climate.