Last updated: April 1, 2025
August in Brno, Czech Republic showcases a vibrant blend of summer warmth and occasional rain, making it a dynamic time to visit. With temperatures reaching a maximum of 34°C (93°F) and an average of 20°C (69°F), the days are typically warm and inviting. However, the month can also see a refreshing dip to a minimum of 7°C (45°F) during cooler evenings. Rainfall is moderate, averaging 71 mm (2.8 in) over 12 days, adding lushness to the region's landscapes while contributing to a humid atmosphere with levels around 76%. Enjoy a mix of sunshine and occasional showers as you explore this charming city in late summer!
In August, Brno basks in the warmth of summer, showcasing a delightful temperature range that invites both locals and tourists to enjoy the outdoors. With minimum lows around 7°C (45°F) and average temperatures hovering at 20°C (69°F), visitors can expect pleasantly mild days. The maximum temperatures often soar to an impressive 34°C (93°F), perfect for sun-drenched adventures. This month marks a noticeable shift from the temperate conditions of earlier summer months like June and July, characterized by consistent warmth but less extreme highs. As summer draws to a close, August provides a beautiful farewell, blending the vibrancy of warm weather with the anticipation of the cooler autumn months ahead.
August in Brno experiences a moderate level of precipitation, with 71 mm (2.8 in) falling over 12 days. This marks a slight decrease compared to the more substantial rainfall seen in May, June, and July, which collectively average over 80 mm (3.1 in). Despite the dip, August remains a part of the city's wetter months, setting the stage for a notable increase in September, where precipitation surges to 91 mm (3.6 in). The consistent rainfall throughout the summer months highlights Brno's humid climate, while the steady number of wet days in August reinforces a lingering oppressive warmth, typical of the season. Thus, while August may signify a transition toward autumn, its precipitation patterns reflect the lasting influence of summer storms.
In August, Brno experiences a humidity level of 76%, subtly mirroring the slightly cooler July figures. This month marks a period of relative comfort compared to the winter months, where humidity peaks at 90% in January and 91% in December. As summer wanes, the trend indicates a steady decline from the high humidity levels observed earlier in the year, with significant drops starting in May. The figures suggest that while August maintains warmth and a sense of summer, the city is beginning to transition towards the crispness of autumn, with impending increases in humidity as the seasons shift.
In August, Brno experiences a UV Index of 7, placing it in the high exposure category with a burn time of 25 minutes. This slight dip from the peak summer months, as seen in June and July, where the UV Index consistently reached 8, suggests that while the sun's intensity remains significant, summer is slowly transitioning to fall. The gradual decrease in UV exposure emphasizes the importance of continued sun safety measures, especially during outdoor activities. As the season changes, residents and visitors can stay informed and protect themselves by checking resources like Brno UV Index.
UV Risk Categories
As the summer sun continues to shine brightly in Brno, August showcases an impressive 386 hours of sunlight, marking a slight decline from July's peak of 433 hours. This gradual reduction doesn’t detract from the warmth and vibrancy of the month, as it still ranks among the sunniest times of the year. Following the upward trajectory of the previous months, where sunlight surged from 130 hours in January to a summer climax, August reflects a natural transition towards autumn. Despite the decrease, the city basks in the glow of late summer, leading gracefully into a more temperate September with 315 hours of sunshine, revealing a rhythm of light that harmonizes beautifully with the seasonal changes in the Czech Republic.
In Brno, Czech Republic, the weather in August offers a moderate 34% chance of sunny days, reflecting a slight dip from the peak of summer. This trend highlights a gradual decline in sunny weather, beginning with a promising 50% in March and culminating in December’s lower probability of just 17%. While July boasts a decent 43% chance of sunshine, August’s figures indicate that the warm days are beginning to wane. However, with September rising to 46%, there's a glimmer of hope for those who cherish the summer sun, suggesting a transition rather than an abrupt end to pleasant weather as summer gives way to autumn.
In Brno, Czech Republic, the rhythm of daylight throughout the year showcases a compelling seasonal transformation. Starting with a modest 8 hours in January, the days gradually lengthen, peaking at an impressive 16 hours in June. As summer transitions into early autumn, daylight begins to wane, with August offering a still generous 14 hours of sunlight. This decline continues into September and October, bringing the daylight back down to 10 hours by fall's arrival. Overall, the data reflects a beautiful arc of brightness that enriches Brno's outdoor experiences, culminating in a vivid summer and retreating into the cozy embrace of shorter days as the year progresses.
In August, Brno experiences a gentle transition in its wind patterns, with an average wind speed of 2.6 m/s (6 mph), mirroring the calmness seen in the preceding months of July and September. This slight dip from the springtime increase, where winds reached 3.6 m/s (8 mph) in April and 3.7 m/s (8 mph) in May, signifies the wrap-up of summer with a soothing breeze that's perfect for leisurely strolls. With the warmth of the season still lingering, the relatively moderate winds contribute to a serene atmosphere, paving the way for the brisker gusts that arrive in autumn. Overall, August's winds embody a tranquil moment, inviting both locals and visitors to enjoy the city's vibrant outdoor life under the sun.
The weather in Brno 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 Brno and find detailed weather information for every month.
August and January in Brno present a striking contrast in weather conditions. August features a wide temperature range, with minimums around 7°C (45°F) and maximums peaking at 34°C (93°F), averaging a comfortable 20°C (69°F). This summer month experiences a fair bit of humidity at 76% and sees an average of 71 mm (2.8 in) of rainfall over 12 days. In stark contrast, January brings frigid temperatures, with lows plunging to -17°C (2°F) and highs only reaching 12°C (54°F), averaging a chilly -1°C (31°F). The winter month is also characterized by higher humidity at 90% and less precipitation at 33 mm (1.3 in) over 9 days. For more insights into Brno's winter climate, visit Brno weather in January.
August and February showcase stark contrasts in weather. August tends to be warm with daytime temperatures averaging around 20°C (69°F) and peaking at 34°C (93°F), while night temperatures only drop to a minimum of 7°C (45°F). It experiences significant humidity at 76% and has about 71 mm (2.8 in) of precipitation over 12 days. In contrast, February is marked by much colder temperatures, with an average of just 1°C (34°F) and nightly lows plunging to -15°C (4°F). The month sees less precipitation, totaling 35 mm (1.4 in) over 8 days, but with higher humidity levels at 87%. For more insights into February's chilly conditions, visit Brno weather in February.
In comparing the weather between August and March, a stark contrast is evident. August boasts much warmer temperatures, with averages around 20°C (69°F) and highs reaching up to 34°C (93°F), coupled with a relatively humid atmosphere at 76%. In contrast, March experiences much colder conditions, with average temperatures only reaching 4°C (40°F) and minimum lows plummeting to -16°C (4°F). Additionally, March sees less precipitation overall, with only 35 mm (1.4 in) falling over approximately 7 days. For more detailed insights into the weather in March, you can refer to Brno weather in March.
When comparing the weather in August and April, it's clear that August is significantly warmer and more humid. In August, temperatures range from a low of 7°C (45°F) to a high of 34°C (93°F), with an average of 20°C (69°F), while April experiences much cooler temperatures, ranging from -6°C (21°F) to 26°C (80°F) and averaging just 9°C (49°F). Precipitation is higher in August, with 71 mm (2.8 in) over 12 days, compared to April's 36 mm (1.4 in) over 9 days. Additionally, humidity levels remain high in both months, but August tends to feel warmer and more oppressive at 76% compared to April's 78%. For more detailed information, you can check Brno weather in April.
In comparing the weather between August and May, notable differences can be observed. August typically experiences warmer conditions, with average temperatures around 20°C (69°F) and a maximum reaching up to 34°C (93°F), while May sees a cooler average of 13°C (56°F) and a maximum of 31°C (87°F). However, May has a slightly lower level of precipitation at 82 mm (3.2 in) over 15 days compared to August's 71 mm (2.8 in) across 12 days, suggesting that rain is more frequent in May despite the overall higher humidity in August at 76%, against May's 73%. For more details on May weather, you can check Brno weather in May.
In comparing the weather of August and June, we see that both months have similar temperature ranges, with August averaging slightly warmer at 20°C (69°F) compared to June's 19°C (67°F). August boasts maximum temperatures reaching up to 34°C (93°F), while June peaks at 32°C (90°F). Precipitation levels are comparable, with August receiving 71 mm (2.8 in) over 12 days, just shy of June's 79 mm (3.1 in) across the same number of days. Humidity is high in both months, though August is marginally lower at 76% compared to June's 77%. For a more detailed look at June's weather, check out Brno weather in June.
July and August exhibit similar weather patterns, with both months experiencing average temperatures around 20°C (68°F). However, August tends to be slightly warmer, with daytime highs reaching up to 34°C (93°F) compared to July’s maximum of 33°C (92°F). Precipitation levels are also comparable, with July receiving 80 mm (3.1 in) and August a bit less at 71 mm (2.8 in), both spread over 12 days. Humidity remains constant at 76% for both months, contributing to a humid atmosphere. To explore more about July's weather, you can refer to Brno weather in July.
August generally experiences warmer temperatures compared to September, with minimums around 7°C (45°F) and maximums reaching up to 34°C (93°F), while September sees a cooler range with minimums dropping to 0°C (31°F) and maximums peaking at 30°C (86°F). Precipitation in August totals 71 mm (2.8 in) over 12 days, slightly less than September’s 91 mm (3.6 in) over just 10 days. Humidity levels remain fairly similar, with August at 76% and September slightly lower at 75%. For further details on the weather nuances of September, visit Brno weather in September.
In August, the weather is significantly warmer, with average temperatures around 20°C (69°F) and highs reaching up to 34°C (93°F), making it a peak summer month. However, this warmth comes with humidity levels at 76% and about 71 mm (2.8 in) of precipitation over 12 days. In contrast, October brings a noticeable chill, with temperatures averaging 10°C (50°F) and lows dipping to -2°C (28°F). While it is wetter, with 56 mm (2.2 in) of precipitation over 10 days, the humidity is slightly higher at 85%. This shift in weather indicates a clear transition from summer's heat to autumn's cooler, brisk air. For more detailed information, you can check out Brno weather in October.
August and November exhibit strikingly contrasting weather patterns. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 34°C (93°F), with an average of 20°C (69°F), creating a warm and humid atmosphere with 76% humidity and about 71 mm (2.8 inches) of precipitation spread over 12 days. In contrast, November brings much cooler conditions, featuring temperatures that dip to -8°C (18°F) at night, rising to a pleasant maximum of 16°C (62°F) during the day, resulting in an average of only 5°C (41°F). The month sees lower precipitation at 46 mm (1.8 inches) over 9 days, but a much higher humidity level of 90%. For more specifics on November weather, you can refer to Brno weather in November.
August and December present starkly contrasting weather conditions. In August, temperatures range from a mild 7°C (45°F) to a sizzling 34°C (93°F), with an average of 20°C (69°F), making it one of the warmest months of the year. The humidity sits at a comfortable 76%, and precipitation occurs on about 12 days, totaling 71 mm (2.8 inches). In contrast, December brings a chill, with temperatures dropping to a minimum of -7°C (20°F) and an average of just 1°C (34°F), peaking at 10°C (51°F). The month is characterized by higher humidity at 91% and slightly less precipitation, recorded at 51 mm (2.0 inches) over 13 days. For more specific details on December weather, you can visit Brno weather in December.
August in Brno marks a transition toward the end of summer, characterized by warm temperatures and higher humidity compared to earlier months. While days can reach a scorching 34°C, the average stays around a comfortable 20°C, providing a pleasant escape from the heat. However, this month also sees an increase in precipitation, with about 12 days of rain, inviting lush greenery to the city. Despite occasional showers, August offers a unique blend of warm sun and refreshing rain, making it a vibrant time to experience Brno's charm. For a deeper dive into the weather patterns throughout the year, explore Brno Climate.