August Weather in Karlsruhe, Germany

Last updated: February 26, 2025

August in Karlsruhe, Germany offers a blend of warm summer days and occasional rain, creating a dynamic weather experience. With maximum temperatures reaching up to 35°C (95°F) and an average of 21°C (69°F), the month invites outdoor activities and exploration. However, evenings can be cooler, with minimum temperatures dropping to 8°C (47°F). Rainfall is moderate, with 60 mm (2.4 in) collected over approximately 12 days, contributing to an overall humidity level of 84%. This combination of warmth and moisture adds a lush vibrancy to the landscape, making August a lively time to enjoy Karlsruhe’s parks and gardens.

August Temperature in Karlsruhe

August in Karlsruhe, Germany offers a pleasant respite from the sweltering summer months, with temperatures maintaining a comfortable range. The minimum temperature hovers around 8°C (47°F), while the average climbs to a balmy 21°C (69°F), allowing for enjoyable outdoor activities. On particularly warm days, the maximum temperature can reach up to 35°C (95°F), reminiscent of the peak summer heat. As the month progresses, the warmer days often invite locals and visitors alike to embrace the sun, whether lounging in parks or exploring the vibrant city. Overall, August in Karlsruhe showcases a perfect blend of warmth and comfort, setting the stage for delightful summer experiences.

August Weather in Karlsruhe: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Karlsruhe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374045515868696961544339
Data source: Temperature data for Karlsruhe generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Karlsruhe

In August, Karlsruhe experiences a moderately wet month with 60 mm (2.4 in) of precipitation spread across 12 days. While this represents a slight decline from the previous months—specifically May's peak at 84 mm (3.3 in)—it continues the trend of summer moisture, as July also recorded significant rainfall at 67 mm (2.6 in). By contrast, the rainfall diminishes as the city transitions into September, where only 48 mm (1.9 in) is anticipated over a mere 8 days. This gradual decline in precipitation reflects the seasonal shift towards drier conditions as summer gives way to the early signs of autumn in the region.

August Precipitation Trends in Karlsruhe

The chart displays monthly precipitation patterns in Karlsruhe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7568763684796760486853108
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Karlsruhe

In August, humidity in Karlsruhe, Germany, settles at a comfortable 84%, marking a slight increase from the preceding month. This uptick continues a trend established over the summer, where humidity levels hovered around the low to mid-80s in June and July. Interestingly, while August experiences a bit of a rise, it remains lower than the peaks seen in the winter months, where humidity levels reach their maximum at 91% in January and December. Overall, the data suggests that summer months bring a refreshing but moderate humidity, contrasting with the more damp conditions of winter, thereby making late summer an appealing time for outdoor activities.

August Average Humidity in Karlsruhe

This chart illustrates the average monthly humidity levels in Karlsruhe, 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%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Karlsruhe

In August, Karlsruhe experiences a UV Index of 7, placing it in the high exposure category, with a burn time of 25 minutes. This month marks a slight decrease from the peak UV Index of 8 observed from May through July, which highlights a trend of intensifying sunlight as summer reaches its height. However, the intensity remains significant, reminding residents and visitors alike to practice sun safety. Notably, the gradual decline from earlier in the summer suggests a transition as autumn approaches. As you plan your outdoor activities, be mindful of the UV levels—check the latest updates at Karlsruhe UV Index for a safer sun experience.

Maximum UV Index Levels in Karlsruhe for August

The chart shows the monthly maximum UV Index (UVI) for Karlsruhe 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.
JanFebMarAprMayJunJulAugSepOctNovDec234688876421
Data source: Karlsruhe 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 Karlsruhe

In August, Karlsruhe basks in a delightful 384 hours of sunshine, marking the peak of summer's radiant embrace. This month stands as a vibrant transition from July's sun-drenched high of 415 hours, yet remains significantly brighter than the cooler days ahead. The trend reveals a gradual decline in sunlight as autumn approaches, following the sunniest months of the year. June and July also shine brightly, boasting 395 and 415 hours respectively, showcasing a season filled with light and warmth. As the days grow shorter in September and beyond, with sunshine hours dropping to 322 and 263, August remains a cherished memory of summer, glowing just before the arrival of crisp autumn air.

Monthly Sunshine Duration in Karlsruhe: August Highlighted

The August sunshine duration represents the total number of hours Karlsruhe 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.
JanFebMarAprMayJunJulAugSepOctNovDec127h206h280h348h390h395h415h384h322h263h191h144h
Data source: Karlsruhe August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Karlsruhe During August

In Karlsruhe, Germany, August enjoys a 33% chance of sunny weather, presenting a modest window for sun seekers compared to the sunnier months of March and April, which boast probabilities of 45% and 49%, respectively. As summer reaches its peak, the likelihood of clear skies remains stable, though it mirrors the previous months of June and July, both at 33% and 39%. Interestingly, this indicates a slight dip from the vibrant sunshine typically associated with summer, hinting that while August still offers opportunities for delightful outdoor activities, it's wise to keep an eye on those clouds. As we transition into the later months, notably September with a 47% chance of sun, the weather's variability continues to paint a dynamic picture of Karlsruhe's August skies.

Percentage of Sunny Days in August in Karlsruhe

The chart illustrates the percentage of sunny days in Karlsruhe 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 Karlsruhe experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%40%45%49%32%33%39%33%47%35%25%18%
Data source: Karlsruhe August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Karlsruhe in August

In Karlsruhe, Germany, August marks a transition into the waning daylight of late summer, offering about 14 hours of sunlight each day. This duration follows the peak brightness of June, where daylight stretches up to 16 hours, beginning a gentle decline through the latter half of the year. As summer's warmth persists, August still benefits from substantial light, with lengths significantly longer than the winter months, where daylight dips to just 8 hours in January and December. This gradual reduction after the summer solstice creates a rhythmic pattern of daylight that invites both productivity and leisurely outdoor activities as the season gradually shifts towards autumn.

Average Daylight Hours in Karlsruhe for August

The chart illustrates the variation in daylight duration in Karlsruhe throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 43m10h 9m11h 55m13h 44m15h 19m16h 7m15h 41m14h 17m12h 32m10h 44m9h 7m8h 16m
Data source: Karlsruhe daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Karlsruhe

August in Karlsruhe experiences a gentle breeze with an average wind speed of 2.6 m/s (6 mph), reflecting a slight uptick from the calmer summer months of June and July. This marks a time when the wind is not particularly strong, maintaining a peaceful ambiance ideal for late-summer outdoor activities. Interestingly, May emerges as the windiest month prior to August, boasting an average of 3.7 m/s (8 mph) as spring transitions into summer. The trend shows a gradual decrease in wind speed throughout June and July, before stabilizing in August, suggesting a serene end to the summer season. As the year progresses towards the fall months, wind speeds typically remain steady, hovering around 2.6 m/s, hinting at a consistent, albeit mild, breeze as the landscape shifts into autumn.

Average August Wind Speed in Karlsruhe

The chart displays monthly wind speed patterns in Karlsruhe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.03.02.73.72.12.42.6 m/s2.12.62.63.1
Data source: Karlsruhe August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Karlsruhe Compares to Other Months

The weather in Karlsruhe 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 Karlsruhe and find detailed weather information for every month.

August and January present contrasting weather conditions. In August, temperatures range from a comfortable 21°C (69°F) on average, peaking at a warm 35°C (95°F), while January experiences much colder temperatures, with an average of only 3°C (37°F) and maximums of 14°C (57°F). Precipitation is consistent in both months, with August receiving about 60 mm (2.4 in) over 12 days and January slightly higher at 75 mm (2.9 in) across the same number of days. Furthermore, humidity levels are generally high in both months, with January reaching 91% compared to August’s 84%. For a detailed overview of January weather, you can visit Karlsruhe weather in January.

When comparing the weather in August and February, the stark differences in temperature and conditions become evident. August typically enjoys warmer temperatures, ranging from a low of 8°C (47°F) to a high of 35°C (95°F), with an average of 21°C (69°F). In contrast, February is much colder, with temperatures fluctuating between -12°C (10°F) and 20°C (69°F), and an average of only 5°C (40°F). Additionally, August sees 60 mm (2.4 in) of precipitation over approximately 12 days, while February experiences slightly more precipitation at 68 mm (2.7 in) over 11 days, accompanied by higher humidity levels of 89%. For more detailed insights into February weather, you can check Karlsruhe weather in February.

In August, the weather is significantly warmer, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 35°C (95°F) and an average of 21°C (69°F). The month sees about 60 mm (2.4 in) of precipitation over 12 days, coupled with a high humidity level of 84%. Conversely, March is much cooler, with temperatures spanning from -11°C (13°F) to a maximum of 23°C (73°F) and an average of 7°C (45°F). It experiences a slightly higher precipitation level of 76 mm (3.0 in) over 14 days and maintains a humidity of 87%. For a more detailed look at the weather conditions in March, you can explore Karlsruhe weather in March.

In comparing the weather of August and April, it's clear that August tends to be significantly warmer. With an average temperature of 21°C (69°F) and maximums reaching up to 35°C (95°F), August boasts much higher temperatures than April, which has an average of 11°C (52°F) and a maximum of 28°C (82°F). While both months experience high humidity—84% in August compared to 83% in April—August also sees more rainfall, averaging 60 mm (2.4 in) over 12 days compared to April's 36 mm (1.4 in) over just 8 days. For a closer look at April's weather in Karlsruhe, you can explore Karlsruhe weather in April.

When comparing the weather in August and May, notable differences emerge. August tends to be warmer with a minimum temperature of 8°C and an average high of 35°C, while May's temperatures range from a chilly 1°C to a maximum of 31°C. Precipitation levels are slightly lower in August with 60 mm over 12 days compared to May's 84 mm over 13 days, indicating that May may experience more rainfall. Additionally, humidity in August is higher at 84%, compared to May's 79%. For a detailed look at May weather in Karlsruhe, you can check Karlsruhe weather in May.

When comparing the weather in August and June, both months exhibit mild temperatures, but August tends to be slightly warmer. In August, the average temperature is around 21°C (69°F) with a maximum reaching up to 35°C (95°F), while June has a similar average of 20°C (68°F) and a slightly higher maximum of 36°C (96°F). Precipitation levels in June are also higher, with 79 mm (3.1 in) over 11 days compared to August's 60 mm (2.4 in) over 12 days. Humidity is relatively consistent between the two months, with August at 84% and June at 82%. For more detailed insights, you can check out Karlsruhe weather in June.

In comparing the weather of August to July, we observe that August features a slightly cooler temperature range, with a minimum of 8°C (47°F) and a maximum of 35°C (95°F), compared to July's minimum of 10°C (50°F) and maximum of 38°C (101°F). Notably, both months have the same average temperature of around 21°C (69°F). Rainfall is also slightly lower in August, with 60 mm (2.4 in) of precipitation compared to July's 67 mm (2.6 in), despite both experiencing rain on about 12 days. Humidity remains high in both months, though August sees a marginal increase to 84% compared to July's 83%. For a deeper look into July weather specifics, you can refer to Karlsruhe weather in July.

August and September display notable differences in weather patterns. August tends to be warmer, with average temperatures around 21°C (69°F) and highs reaching up to 35°C (95°F), while September experiences a cooler average of 16°C (62°F) and a maximum temperature of 32°C (90°F). Precipitation is also more frequent in August, occurring on 12 days and totaling 60 mm (2.4 in), compared to September's 8 days of rain and 48 mm (1.9 in). Despite the slight increase in humidity, from 84% in August to 85% in September, the overall experience in September is one of a gradual cooling and less rainfall. To learn more about September weather specifics, you can check Karlsruhe weather in September.

August and October in Karlsruhe exhibit notable contrasts in weather patterns. In August, temperatures reach a maximum of 35°C (95°F), providing a warm average of 21°C (69°F), while October sees cooler conditions with a maximum of 27°C (80°F) and an average of 12°C (54°F). Precipitation is somewhat comparable, with August experiencing 60 mm (2.4 in) over 12 days and October slightly higher at 68 mm (2.7 in) over 13 days. Additionally, humidity levels rise from 84% in August to 88% in October, contributing to a more oppressive atmosphere as autumn sets in. For more detailed information about October's weather, you can check Karlsruhe weather in October.

August and November exhibit stark contrasts in weather. In August, temperatures range from a minimum of 8°C (47°F) to a maximum of 35°C (95°F), reflecting the peak of summer with an average temperature of 21°C (69°F). Despite the warmth, August experiences around 60 mm (2.4 inches) of precipitation over 12 days, coupled with high humidity at 84%.

Conversely, November brings cooler temperatures, with a minimum of -2°C (29°F), an average of 6°C (44°F), and a maximum of 22°C (72°F). Precipitation is slightly lower at 53 mm (2.1 inches) over 10 days, accompanied by a marginally higher humidity level at 89%. This shift marks a transition into winter, highlighting the notable changes in climate between the two months. For more detailed information, see Karlsruhe weather in November.

The weather in August and December presents a stark contrast, reflecting the seasonal changes. In August, temperatures range from a mild 8°C (47°F) at night to a hot 35°C (95°F) during the day, with an average of 21°C (69°F). The month experiences 60 mm (2.4 in) of precipitation over about 12 days, accompanied by relatively high humidity at 84%. In contrast, December brings much colder conditions, with temperatures dipping as low as -5°C (24°F) and peaking at 14°C (58°F), averaging around 4°C (40°F). Rainfall increases to 108 mm (4.2 in) spread over 18 days, alongside a slight rise in humidity to 91%. For more information on December weather specifics, check out Karlsruhe weather in December.

Compare Karlsruhe's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Karlsruhe

In August, Karlsruhe experiences a distinctive blend of warmth and humidity, setting it apart from the cooler months of the year. With maximum temperatures soaring to 35°C (95°F), this month is typically one of the hottest, inviting both residents and visitors to enjoy outdoor activities. However, the average temperature remains a comfortable 21°C (69°F), allowing for pleasant evenings. August also sees increased precipitation days, with rain making an appearance on about 12 days, contributing to the 84% humidity that can linger in the air. This unique mix of warmth and variability makes August an intriguing time to experience Karlsruhe. For a more in-depth understanding of the climate, visit Karlsruhe Climate.