August Weather in Bad Honnef, Germany

Last updated: February 26, 2025

In Bad Honnef, Germany, August delivers a delightful blend of warmth and humidity, with maximum temperatures soaring to 36°C (97°F) and an average of 19°C (67°F). While daytime heat invites outdoor activities, the evenings offer a refreshing respite, allowing temperatures to dip to a minimum of 7°C (45°F). The month sees 82 mm (3.2 in) of precipitation spread over 15 days, adding a touch of unpredictability to the summer charm. With an average humidity of 71%, you can expect a lush, vibrant landscape, perfect for exploring the natural beauty of this picturesque region.

August Temperature in Bad Honnef

In August, Bad Honnef experiences a delightful blend of warmth and coolness, setting the stage for a peak summer ambiance. With minimum temperatures around 7°C (45°F) and an average of 19°C (67°F), the weather is comfortably mild for outdoor activities. The maximum temperature can soar to about 36°C (97°F), creating a striking contrast against the cooler start of the day. This month's temperatures reflect a gradual warming trend from the chillier winter months, making August ideal for travelers seeking both adventure and relaxation. As summer winds down, the mild evenings invite you to enjoy the beauty of this scenic German town, transitioning effortlessly towards the cooler autumn days that follow.

August Weather in Bad Honnef: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Bad Honnef, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374044505766676760534440
Data source: Temperature data for Bad Honnef 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.

August Precipitation in Bad Honnef

In August, Bad Honnef experiences a noticeable continuation of summer rainfall, with 82 mm (3.2 in) of precipitation over 15 days. This aligns with the region's trend of lush, green landscapes during the height of summer, following a rainier July that saw 91 mm (3.6 in) of rain. Despite August being relatively dry compared to the winter months, where precipitation peaks, it maintains a steady rhythm of summer showers that nourish the blooming flora. With precipitation levels dropping from the highs of June and July, August serves as a transitional month, leading into the cooler, wetter days of autumn. The overall consistency in rainfall throughout the summer months suggests a temperate climate that thrives on moderate moisture, setting the stage for the vibrant colors of autumn to come.

August Precipitation Trends in Bad Honnef

The chart displays monthly precipitation patterns in Bad Honnef, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec8379853973679182618059118
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Bad Honnef

In August, Bad Honnef experiences a significant dip in humidity, reaching an average of 71%, which is the lowest point of the year. This trend marks a gradual decline from the peak humidity levels seen earlier in the summer, with July holding at 72%. As the seasons transition from the warm summer months to the cooler autumn ones, humidity begins to rise again in September, suggesting a shift in atmospheric conditions. The overall pattern reveals a consistent decrease in humidity from the winter months, where levels soar above 90%, down to the more comfortable, yet still moderately humid, summer conditions. As a result, August offers a brief respite before the humidity rises again, hinting at the forthcoming seasonal changes.

August Average Humidity in Bad Honnef

This chart illustrates the average monthly humidity levels in Bad Honnef, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Bad Honnef

In August, Bad Honnef experiences a UV Index of 7, falling into the high exposure category that allows for about 25 minutes of sun exposure before risking skin damage. This trend reflects a slight decrease from the peak values of 8 observed in July and June, indicative of the summer season's ebbing intensity. As summer gives way to autumn, residents and visitors should remain vigilant, practicing sun safety while still enjoying the warm weather. Remember to check the Bad Honnef UV Index for daily updates and plan your outdoor activities accordingly!

Maximum UV Index Levels in Bad Honnef for August

The chart shows the monthly maximum UV Index (UVI) for Bad Honnef in August, 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Bad Honnef August 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.

August Sunshine in Bad Honnef

August in Bad Honnef, Germany, enjoys a generous 380 hours of sunshine, continuing the trend established in the peak summer months following an impressive 409 hours in July. This sunny stretch highlights the vibrant energy of late summer, as residents and visitors bask in the lingering warmth before the autumn chill begins to set in. While the sunshine starts to taper off in September to 314 hours, it’s a reminder of the beauty of nature's cycles, with the influx of light peaking in the summer and gradually diminishing toward winter. Such patterns reflect not only the changing seasons but also an invitation to savor the outdoors while the sun still shines brightly.

Monthly Sunshine Duration in Bad Honnef: August Highlighted

The August sunshine duration represents the total number of hours Bad Honnef experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec106h199h263h341h389h392h409h380h314h230h173h117h
Data source: Bad Honnef August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bad Honnef During August

In Bad Honnef, Germany, the likelihood of sunny weather in August hovers around 32%, reflecting a pattern seen throughout the summer months. While this percentage is similar to July's sunshine chances, it falls short of the more promising March peak of 42%. Following April’s 39%, the overall trend suggests that summer in Bad Honnef is characterized by a steady but modest chance of sun, making it a delightful time for outdoor activities, though expectations for dazzling blue skies should be tempered. As the seasons transition into autumn, the probability of sunny days begins to rise again in September at 38%, hinting at a lingering warmth before the cooler months set in.

Percentage of Sunny Days in August in Bad Honnef

The chart illustrates the percentage of sunny days in Bad Honnef throughout the year, with August 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 Bad Honnef experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%32%42%40%30%30%31%32%38%28%22%13%
Data source: Bad Honnef August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bad Honnef in August

In August, Bad Honnef, Germany, enjoys a generous 14 hours of daylight, marking a gradual decline from the peak summer brightness of 16 hours in June and 15 hours in July. This month serves as a bridge between the vibrant long days of summer and the cooler, shorter days of autumn. As the days slowly shorten, August still offers ample opportunity for outdoor activities, inviting residents and visitors alike to relish the lingering warmth. Following this month, daylight continues to wane, dipping to 12 hours in September, ultimately leading to the more subdued brightness of winter months, where daylight hours will average only 8 hours in both November and December.

Average Daylight Hours in Bad Honnef for August

The chart illustrates the variation in daylight duration in Bad Honnef throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 31m10h 2m11h 55m13h 50m15h 30m16h 23m15h 55m14h 25m12h 34m10h 39m8h 56m8h 2m
Data source: Bad Honnef daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Bad Honnef

In August, Bad Honnef experiences a gentle average wind speed of 2.8 m/s (6 mph), marking a subtle decline that aligns with the summer's transition into fall. This slight decrease reflects a broader trend observed throughout the warmer months, with wind speeds dipping from the higher velocities recorded earlier in the year, such as March's 3.3 m/s (7 mph) and May's 3.4 m/s (8 mph). As summer wanes, the typically milder breezes of August offer a serene backdrop to outdoor activities, hinting at the quieter days of late summer ahead. This trend continues into September, where the wind eases further, setting the stage for autumn's cooler conditions.

Average August Wind Speed in Bad Honnef

The chart displays monthly wind speed patterns in Bad Honnef, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.73.32.93.42.42.52.8 m/s2.23.52.63.3
Data source: Bad Honnef August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Bad Honnef Compares to Other Months

The weather in Bad Honnef 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 Bad Honnef and find detailed weather information for every month.

August and January present strikingly different weather patterns. In August, temperatures range from a mild 7°C (45°F) at their lowest to a sizzling max of 36°C (97°F), with an average of 19°C (67°F). The month sees a fair amount of rain with 82 mm (3.2 in) of precipitation over roughly 15 days, and the humidity hovers around 71%. In contrast, January experiences chillier conditions, with temperatures dipping as low as -8°C (17°F) and peaking at just 14°C (57°F), averaging around 3°C (38°F). The precipitation level is somewhat similar at 83 mm (3.3 in) over 14 days, but the humidity is notably higher at 91%. For more detailed insights into January's weather, you can check this link: Bad Honnef weather in January.

August and February in Bad Honnef present strikingly different weather profiles. August typically boasts a warm climate, with average temperatures reaching 19°C (67°F) and highs soaring up to 36°C (97°F), accompanied by a moderate level of precipitation at 82 mm (3.2 in) over 15 days. In contrast, February experiences a much chillier environment, with average temperatures around 4°C (40°F) and minimums plunging to -11°C (13°F). Despite a similar level of precipitation at 79 mm (3.1 in) over 12 days, February’s higher humidity at 90% adds to the cold's bite. For more specific details on February weather in Bad Honnef, you can visit Bad Honnef weather in February.

When comparing the weather in August and March, it's clear that each month presents distinct characteristics. August typically features warmer temperatures, with a minimum of 7°C (45°F) and an average of 19°C (67°F), reaching highs of up to 36°C (97°F). In contrast, March experiences much cooler weather, with temperatures ranging from a minimum of -10°C (14°F) to an average of 7°C (44°F) and highs reaching 22°C (73°F).

Precipitation levels are similar, with August receiving around 82 mm (3.2 in) over approximately 15 days and March slightly higher at 85 mm (3.3 in) across about 16 days. Additionally, humidity levels tend to be higher in March at 87% compared to August’s 71%. For more detailed information about March weather, you can visit Bad Honnef weather in March.

When comparing the weather in April and August, it's evident that August is significantly warmer, with average temperatures reaching up to 19°C (67°F) and maximums soaring to 36°C (97°F). In contrast, April is cooler, with an average temperature of 10°C (50°F) and maximums capped at 27°C (80°F). Rainfall is also more prevalent in August, with 82 mm of precipitation over approximately 15 days, compared to April's milder 39 mm over 9 days. Additionally, humidity levels are slightly lower in August at 71%, while April experiences higher humidity at 84%. For more details on April weather, you can check Bad Honnef weather in April.

August weather is characterized by warmer temperatures, with averages reaching up to 19°C (67°F) and maximums hitting 36°C (97°F). In contrast, May experiences cooler conditions, averaging 14°C (57°F) and peaking at 33°C (91°F). Both months receive a similar amount of precipitation, with August recording 82 mm (3.2 in) over 15 days and May slightly less at 73 mm (2.9 in) over 13 days. The humidity levels in both months are comparable as well; however, August is just slightly less humid at 71% compared to May's 77%. For a more detailed view of May's weather, check out Bad Honnef weather in May.

Comparing the weather in August to that of June reveals some interesting differences. August typically experiences slightly higher maximum temperatures, reaching up to 36°C (97°F), compared to June's 35°C (95°F). However, both months share a similar average temperature of around 19°C (66-67°F). In terms of precipitation, August sees a higher total of 82 mm (3.2 in) over about 15 days, while June has less, with 67 mm (2.6 in) across 11 days. Humidity is quite comparable, with August at 71% and June slightly higher at 74%. For more specific details on June's weather, you can check Bad Honnef weather in June.

In comparing the weather between July and August, both months showcase mild average temperatures around 19°C (67°F), yet July tends to have slightly higher maximum temperatures, peaking at 40°C (104°F) compared to August's maximum of 36°C (97°F). Precipitation levels are somewhat higher in July, totaling 91 mm (3.6 in) over 11 days, while August experiences 82 mm (3.2 in) spread across 15 rainy days, indicating a wetter month overall in terms of frequency. Humidity levels remain relatively similar, with July at 72% and August at 71%. For a detailed look at July's climate, you can visit Bad Honnef weather in July.

August and September present a noticeable shift in weather conditions. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 36°C (97°F), with an average of 19°C (67°F). The month experiences 82 mm (3.2 in) of precipitation spread over 15 days, accompanied by a humidity level of 71%. In contrast, September sees cooler temperatures with a minimum of 2°C (36°F) and a maximum of 33°C (92°F), leading to an average of 15°C (60°F). Precipitation decreases to 61 mm (2.4 in) over 10 days, while humidity increases slightly to 81%. For more specific insights on the weather in September, check Bad Honnef weather in September.

In August, the weather tends to be quite warm, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 36°C (97°F), and an average temperature of 19°C (67°F). The month experiences a fair amount of humidity at 71%, along with 82 mm (3.2 in) of precipitation occurring over 15 days.

In contrast, October brings a noticeable shift in temperature, with minimums dropping to 1°C (33°F) and maximums reaching 26°C (79°F), resulting in a cooler average of 12°C (53°F). Although October's precipitation remains similar at 80 mm (3.2 in) over 14 days, the humidity rises to 88%, creating a distinctly different atmosphere. For a closer look at the October climate specifics, you can check Bad Honnef weather in October.

August and November offer contrasting weather experiences, highlighting the transition from summer to winter. In August, temperatures range from a minimum of 7°C (45°F) to a balmy maximum of 36°C (97°F), with an average temperature of 19°C (67°F). The month sees moderate precipitation of 82 mm (3.2 in) over approximately 15 days and a humidity level of 71%. In stark contrast, November experiences much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 20°C (68°F), leading to an average of just 7°C (44°F). Precipitation decreases to 59 mm (2.3 in) over about 13 days, accompanied by higher humidity levels at 91%. For a detailed look at November weather, check out Bad Honnef weather in November.

August and December present stark contrasts in weather. In August, temperatures range from a mild 7°C (45°F) at night to a hot 36°C (97°F) during the day, with an average of 19°C (67°F) and relatively high humidity at 71%. Rainfall is moderate, with around 82 mm (3.2 in) over about 15 days. In contrast, December brings much colder conditions, with temperatures ranging from a chilling -5°C (23°F) to a maximum of 15°C (59°F) and an average of only 5°C (41°F). The month is also wetter, with precipitation reaching 118 mm (4.7 in) across approximately 20 days and humidity peaking at 92%. For more detailed information on December weather, check out Bad Honnef weather in December.

Compare Bad Honnef's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Bad Honnef

As August rolls in, Bad Honnef transforms into a summer haven, with warmer temperatures setting it apart from the cooler months. The month experiences a delightful mix of sun and occasional rain, with about half the days graced by some precipitation—making hydration essential, given the higher humidity levels. Despite the warmth, the evenings can bring a refreshing chill, especially when compared to the swelter of peak summer days. This balance between bright, sunny afternoons and cool nights makes August a unique time to explore the beauty of this charming town. For more insights on what to expect throughout the year, check out Bad Honnef Climate.