Last updated: February 26, 2025
Experience the charm of Heidelberg in August, where temperatures can soar to a scorching 36°C (96°F), while the average hovers around a pleasant 20°C (69°F). Evenings can bring a refreshing chill, with lows of 7°C (44°F). While you'll enjoy ample sunshine, be prepared for occasional rain—with 60 mm (2.4 in) of precipitation over 12 days, humidity levels can rise to a muggy 84%. Embrace the warmth and spontaneity of late summer in this picturesque German city!
In August, Heidelberg basks in the warmth of summer, with temperatures reflecting a delightful range that invites outdoor adventures. The average temperature hovers around 20°C (69°F), providing a comfortable backdrop for leisurely strolls along the Neckar River or exploring the historic Old Town. With minimums around 7°C (44°F), the nights remain pleasantly cool, while maximums can soar up to 36°C (96°F), perfect for sun-seekers. As the hottest month of the year, August effortlessly embodies the vibrant energy of the city, making it an ideal time for festivals and open-air events while hinting at the gradual transition to the milder temperatures of autumn.
In Heidelberg, August typically sees a moderate precipitation amount of 60 mm (2.4 in), marking a slight decrease from the preceding summer months. The city experiences an average of 12 rainy days, indicating a consistent pattern of brief showers interspersed with the warm summer sunshine. This level of rainfall is aligned with the trends observed in July, though one might note that precipitation levels generally start to decline towards the end of summer, signaling the transition into the drier autumn months. Notably, the overall precipitation in Heidelberg tends to peak in December, suggesting a seasonal shift that leaves August as a relatively pleasant month, balancing warmth with refreshing rain.
In Heidelberg, Germany, August experiences a humidity level of 84%, which reflects a slight increase from the previous months of June and July, both at 82% and 83% respectively. This gradual rise is indicative of the summer season, illustrating how humidity tends to peak during the warmer months. Interestingly, the overall trend reveals that humidity levels in Heidelberg are generally high throughout the year, with the winter months of January and February reaching their zenith at 91% and 89%. As the year progresses into autumn, humidity levels slightly increase again, highlighting the city's continuous exposure to moist air. Overall, August's humidity fits neatly into this seasonal pattern, offering residents and visitors alike a taste of the warm, humid German summer.
In August, Heidelberg experiences a UV Index of 7, classifying it as a high exposure category with a burn time of just 25 minutes. This marks a slight decrease from the peak of 8 seen in the preceding summer months of June and July, indicating a still significant risk for sunburn but a gradual transition towards more moderate conditions as autumn approaches. The data from the earlier months reveals a clear trend: as the year progresses from the low indices of winter to the high values of summer, UV exposure peaks during the warmer months. As you navigate outdoor activities in August, remain vigilant and protect your skin, especially in the midday sun. For more detailed information, visit Heidelberg UV Index.
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In Heidelberg, Germany, August brings a delightful culmination of summer sunshine, boasting an impressive 385 hours of sunlight. This month, while slightly less radiant than July's peak of 413 hours, continues the trend of abundant light that characterizes the height of summer. Following the gradual ascent from the year’s coldest months, with sunlight hours jumping from 118 hours in January to a dazzling 391 hours in June, August retains a warm glow that signals the transition into the softer light of autumn. As daylight begins to wane in September, with 321 hours forecasted, August stands as a vivid reminder of summer's full splendor before the approach of shorter, chillier days.
In Heidelberg, August offers a moderate 30% chance of sunny weather, following a trend of fluctuating sun probabilities throughout the year. While the likelihood of sunshine dips slightly during this month compared to the preceding summer months—July boasts a 38% probability—August remains a pleasant time to enjoy the city's scenic beauty. Notably, the sunniest months are typically March and April, with chances exceeding 45%. This pattern indicates that while August might not be the pinnacle of sunny weather, it still presents enjoyable opportunities for outdoor activities amidst the vibrant summer backdrop.
As summer gives way to fall, August in Heidelberg, Germany, offers a delightful blend of lingering warmth and shorter days. With approximately 14 hours of daylight, the month signals a gradual transition from the sun-drenched 16-hour days of June to the more subdued light of September, which dips to 12 hours. This gradual decrease in daylight not only marks the slow retreat of summer's vibrancy but also highlights the beauty of a changing season. As daylight wanes, August provides the perfect backdrop for enjoying the warm evenings, vibrant sunsets, and the final fruits of summer, inviting residents and visitors alike to relish the last whispers of daylight before autumn takes hold.
In August, the winds in Heidelberg, Germany, gently caress the warm summer air, with an average speed of 2.6 m/s (6 mph). This slight breeze provides a refreshing contrast to the peak summer heat, but overall, August's wind speed shows a notable decline compared to the month of May, which boasts the highest average of 3.5 m/s (8 mph). Following a trend of decreasing wind speeds throughout the summer, August's calmness is marked by a consistent 2.6 m/s, similar to the breezy months of October and April. As summer transitions into autumn, the gentle August winds prepare Heidelberg for the milder, quieter breezes that come with the changing seasons.
The weather in Heidelberg 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 Heidelberg and find detailed weather information for every month.
In August, temperatures in Heidelberg fluctuate significantly, ranging from a mild 7°C (44°F) at night to a high of 36°C (96°F) during the day, with an average of 20°C (69°F). The humidity is notably high at 84%, and the month experiences about 60 mm (2.4 in) of precipitation over 12 days. In contrast, January sees much colder conditions, with temperatures dipping as low as -13°C (9°F) and averaging around 2°C (36°F), reaching a maximum of 13°C (55°F). While January is also wet, it receives slightly more precipitation at 78 mm (3.1 in) over 13 days, accompanied by a higher humidity level of 91%. For more detailed information about the winter climate, you can check out Heidelberg weather in January.
August and February present starkly contrasting weather conditions. In August, temperatures can soar with a minimum of 7°C (44°F) and reaching as high as 36°C (96°F), accompanied by an average temperature of 20°C (69°F). Despite the warmth, August experiences around 60 mm (2.4 in) of precipitation over 12 days, with humidity at a high 84%.
In February, however, the weather turns much chillier, featuring a minimum temperature of -10°C (14°F) and a maximum of 18°C (65°F), resulting in a much cooler average of just 4°C (39°F). The month brings about 72 mm (2.8 in) of precipitation over 11 days, with humidity slightly higher at 89%. For a closer look at what to expect during this winter month, you can check Heidelberg weather in February.
The weather in August is generally warmer than in March, with average temperatures reaching around 20°C (69°F) compared to March's cooler average of 6°C (44°F). August experiences a minimum temperature of 7°C (44°F) and can peak at 36°C (96°F), while March can see lows of -10°C (15°F) and highs of 23°C (73°F). Precipitation levels are slightly lower in August, totaling 60 mm (2.4 in) over approximately 12 days, whereas March has higher rainfall at 92 mm (3.6 in) over about 14 days. Additionally, both months have high humidity levels, with August at 84% and March slightly higher at 87%. For more details on March conditions, you can check Heidelberg weather in March.
When comparing the weather in August and April, notable differences emerge. August boasts significantly warmer temperatures, with an average of 20°C (69°F) and maximums reaching up to 36°C (96°F), while April offers a much cooler experience with an average of 10°C (51°F) and maximums of 27°C (80°F). Both months see a fair amount of humidity, with August at 84% and April slightly lower at 83%. In terms of precipitation, August has more rain, totaling 60 mm (2.4 in) over 12 days, compared to April's 35 mm (1.4 in) spread over 8 days. For more details on the weather in April, check out Heidelberg weather in April.
In comparing the weather of August and May, a noticeable difference in temperature can be observed. August boasts a wider temperature range, with minimums reaching 7°C (44°F) and maximums soaring up to 36°C (96°F), resulting in an average temperature of 20°C (69°F). In contrast, May's temperatures are generally milder, with a minimum of 0°C (32°F) and a maximum of 31°C (88°F), averaging at 14°C (57°F). While both months experience a fair amount of precipitation, August sees less at 60 mm (2.4 in) across 12 days compared to May's 89 mm (3.5 in) over 13 days. Humidity levels are relatively close, with August at 84% and May at 79%. For a detailed look at May's weather, you can check out Heidelberg weather in May.
In comparing the weather between June and August, both months showcase warm temperatures but with some variations. August tends to have slightly higher average temperatures, peaking at a maximum of 36°C (96°F) compared to June's 35°C (96°F). The minimum temperatures are similar, with June starting at 7°C (45°F) and August at 7°C (44°F). Precipitation levels are also notable, with June receiving 85 mm (3.4 in) over 11 days, while August has less at 60 mm (2.4 in) over 12 days. Humidity remains high in both months, slightly higher in August at 84% compared to June's 82%. For a more detailed look at June weather conditions, visit Heidelberg weather in June.
When comparing the weather in July and August, we observe that July typically experiences slightly higher maximum temperatures, reaching up to 37°C (100°F), compared to August's maximum of 36°C (96°F). Both months have similar average temperatures, with July averaging 20°C (68°F) and August at 20°C (69°F). In terms of precipitation, July sees a bit more rain at 66 mm (2.6 in) over 11 days, while August has 60 mm (2.4 in) over 12 days. Interestingly, humidity remains quite consistent, with July at 83% and August at 84%. For more detailed information, you can check Heidelberg weather in July.
In August, the weather is characterized by higher temperatures, with minimums around 7°C and maximums reaching up to 36°C. The month experiences considerable humidity at 84% and significant precipitation over 12 days, totaling 60 mm. In contrast, September brings cooler temperatures, with a minimum of 4°C and a maximum of 31°C, making it noticeably milder, with an average of 16°C. Precipitation is slightly lower at 58 mm, occurring over 8 days, and humidity remains high at 85%. For more detailed insights into the weather patterns, check out Heidelberg weather in September.
In comparing the weather between August and October, it's clear that the transition from summer to autumn brings notable changes. August boasts warmer temperatures, with an average of 20°C (69°F) and highs reaching up to 36°C (96°F), while October sees a significant drop in average temperature to 11°C (52°F), with a maximum of 26°C (78°F). Precipitation increases slightly from 60 mm (2.4 in) in August to 74 mm (2.9 in) in October, though both months experience a similar number of rainy days—12 in August and 13 in October. Additionally, humidity levels are slightly higher in October at 88%, compared to 84% in August. For more detailed insights, you can check Heidelberg weather in October.
August and November present quite contrasting weather conditions. In August, temperatures range from a mild minimum of 7°C (44°F) to a hot maximum of 36°C (96°F), with an average temperature of 20°C (69°F). The month experiences 60 mm (2.4 in) of precipitation over about 12 days, accompanied by a humidity level of 84%. Conversely, November brings much cooler temperatures, with a minimum of -4°C (26°F), an average of 6°C (43°F), and a maximum of 21°C (70°F). Precipitation in November is slightly lower at 57 mm (2.3 in) across 10 days, and the humidity rises slightly to 89%. For more detailed information, you can explore Heidelberg weather in November.
In August, weather in Heidelberg is typically warm, with average temperatures around 20°C (69°F) and peaks reaching as high as 36°C (96°F). The month experiences relatively lower precipitation at 60 mm (2.4 in) over about 12 days, alongside a comfortable humidity level of 84%. In stark contrast, December sees a significant drop in temperature, averaging just 4°C (39°F) with maximums of 14°C (58°F) and minimums dipping as low as -6°C (21°F). This winter month is much wetter, with 134 mm (5.3 in) of precipitation across 19 days, and humidity levels rising to 91%. For more detailed insights into December weather, you can check out Heidelberg weather in December.
August in Heidelberg is a vibrant month that stands out from the rest of the year, characterized by a pleasant average temperature of around 20°C, with occasional peaks reaching a sizzling 36°C. As summer reaches its zenith, the warmth is accompanied by a higher humidity level of 84%, creating a tropical feel in the air. However, this warmth is tempered by the occasional rain, with about 12 days experiencing some precipitation, totaling around 60 mm. Unlike the cooler, drier months that bookend it, August invites residents and visitors alike to relish in the balmy evenings and lush landscapes that thrive under the summer sun. For further insights into what to expect throughout the year, check out Heidelberg Climate.