August Weather in Ostrava, Czech Republic

Last updated: April 1, 2025

Experience the vibrant summer of Ostrava, Czech Republic, in August, where temperatures can soar to a maximum of 33°C (92°F), providing plenty of opportunities to enjoy the outdoors. The average temperature rests comfortably at 20°C (68°F), making it an ideal time for exploring the city’s rich culture. Although the month sees a minimum temperature of 7°C (45°F), visitors should be prepared for variable weather, with precipitation amounting to 112 mm (4.4 in) over 14 days. Humidity levels average at 64%, adding a touch of warmth to the summer days. Pack accordingly and embrace the lively atmosphere of this dynamic city!

August Temperature in Ostrava

In Ostrava, Czech Republic, August is characterized by warm and inviting temperatures, making it a delightful month for both locals and visitors. With nighttime lows around 7°C (45°F) and daytime highs reaching up to 33°C (92°F), the city experiences a pleasant balance, with an average of 20°C (68°F) inviting outdoor activities and social gatherings. This warm trend follows the hot July days, while also indicating a gradual shift toward cooler autumn months. As the summer peaks, the vibrant atmosphere in Ostrava is amplified by the comfortable climate, perfect for enjoying the city's cultural offerings before the chill of September arrives.

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

The chart illustrates August temperature patterns in Ostrava, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313439485666676759514235
Data source: Temperature data for Ostrava 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 Ostrava

In August, Ostrava experiences its peak precipitation of the year, with 112 mm (4.4 in) of rain falling over 14 days. This surge in rainfall marks a noticeable increase from the milder months preceding it, particularly July, which saw 92 mm (3.6 in) over the same number of days. The patterns observed indicate that as summer wanes, the region embraces a shift towards wetter conditions, setting the stage for the upcoming autumn. Interestingly, August not only holds the highest precipitation total but also aligns closely with September's significant rainfall, suggesting a continuation of this trend into the fall months. As a result, residents and visitors can expect vibrant landscapes nourished by these summer showers, enriching both the local flora and the overall atmosphere of the region.

August Precipitation Trends in Ostrava

The chart displays monthly precipitation patterns in Ostrava, 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.
JanFebMarAprMayJunJulAugSepOctNovDec445752601018692112103844968
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Ostrava

In Ostrava, Czech Republic, August brings a noticeable dip in humidity, averaging around 64%. This marks the lowest level of the year, following a trend of decreasing moisture from the cooler, more humid winter months, where levels soar to 90% in January. As the seasons transition from the snowy embrace of winter to the warmth of summer, humidity steadily declines, hitting a peak of 70% in May and then gradually tapering off through the hotter months. By August, residents experience a refreshing relief, as the air becomes drier, setting the stage for a crispness that precedes the return of more humid conditions in the fall, with September creeping back up to 67%. This cyclical shift adds a dynamic quality to the region's climate, illustrating a beautiful interplay between seasonal changes.

August Average Humidity in Ostrava

This chart illustrates the average monthly humidity levels in Ostrava, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%83%76%70%71%67%64%67%83%90%91%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Ostrava

In August, the UV Index in Ostrava, Czech Republic, reaches a high level of 7, indicating that it’s essential for residents and visitors to protect themselves from harmful sun exposure. This level is consistent with July's very high readings, where the index also peaked at 8. As summer reaches its peak, the burn time decreases to just 25 minutes, underscoring the need for sun safety measures. While the index dips in September, falling back to 6, August remains a crucial month to be mindful of UV rays. Overall, as the season transitions, underlying trends suggest that late summer months demand increased vigilance against sunburn, in line with the rising UV levels throughout the summer. For more detailed information on UV levels throughout the year, check the Ostrava UV Index.

Maximum UV Index Levels in Ostrava for August

The chart shows the monthly maximum UV Index (UVI) for Ostrava 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.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Ostrava 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 Ostrava

In August, Ostrava basks in a warm embrace of 389 hours of sunshine, a delightful peak in the summer season. This golden month showcases a trend of increasing daylight that starts in the early months of the year, growing from a mere 133 hours in January to the vibrant, sun-soaked days of summer. Following the lively atmosphere of July, which boasts the most hours at 429, August maintains a strong sunshine presence, suggesting that while the peak may have passed, the warmth lingers as summer gracefully transitions into autumn. As September arrives, sunlight dips to 310 hours, marking the beginning of a seasonal shift. Reflecting on these numbers, one can appreciate Ostrava's sun-drenched summers, offering both a natural spectacle and a respite from the chill that winter eventually brings.

Monthly Sunshine Duration in Ostrava: August Highlighted

The August sunshine duration represents the total number of hours Ostrava 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.
JanFebMarAprMayJunJulAugSepOctNovDec133h194h294h328h376h412h429h389h310h262h191h147h
Data source: Ostrava August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ostrava During August

In Ostrava, Czech Republic, the likelihood of sunny weather varies throughout the year, with August seeing a 35% chance of sunshine. This figure is relatively stable, falling between the sunniness of June at 51% and July at 40%, yet it marks a slight decline compared to the earlier summer months. Interestingly, after a dip in April and May, the chance of bright skies begins to improve in June, peaking before slightly tapering off in August. As summer transitions to autumn, September’s likelihood of sunshine rises to 42%, hinting at a lingering summer feel. Overall, while August may not promise the highest sun, it still offers a fair chance for those looking to enjoy the warm weather in Ostrava.

Percentage of Sunny Days in August in Ostrava

The chart illustrates the percentage of sunny days in Ostrava 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 Ostrava experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%30%41%34%33%51%40%35%42%50%28%18%
Data source: Ostrava August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ostrava in August

In August, Ostrava basks in approximately 14 hours of daylight, a delightful continuation of the long days that peak in summer. As the summer months progress, daylight first reaches a peak of 16 hours in June, gradually tapering off to 15 hours in July. The slight decrease in daylight during August indicates the approach of autumn, although the warm, lingering sunlight continues to create vibrant evenings. This pattern of diminishing daylight reflects a broader trend in the region, where after August, daylight drops to 12 hours in September, paving the way for the shorter days of fall. Overall, the transition from the expansive daylight of summer to the cozy ambiance of autumn begins subtly, inviting residents to savor every moment of August's pleasant luminosity.

Average Daylight Hours in Ostrava for August

The chart illustrates the variation in daylight duration in Ostrava throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 38m10h 6m11h 55m13h 47m15h 23m16h 13m15h 47m14h 20m12h 33m10h 42m9h 3m8h 10m
Data source: Ostrava daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Ostrava

In Ostrava, Czech Republic, the wind carries a notable rhythm throughout the year, with August marking a gentle breeze at an average speed of 2.6 m/s (6 mph). This is a slight uptick from the calmer summer months of June and July, where the winds barely stirred at 2.3 m/s and 2.4 m/s, respectively. In contrast, the spring months exhibit livelier winds, peaking in the autumn with October's brisk 3.8 m/s (9 mph). Overall, the wind speed in Ostrava generally showcases a seasonal ebb and flow, with a noticeable lull in the summer and a resurgence as the year progresses toward fall, painting a dynamic portrait of the region’s climate.

Average August Wind Speed in Ostrava

The chart displays monthly wind speed patterns in Ostrava, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.53.23.43.62.32.42.6 m/s2.53.83.33.2
Data source: Ostrava August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Ostrava Compares to Other Months

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

August and January present stark contrasts in weather conditions. In August, temperatures range from a mild 7°C (45°F) at night to a warm 33°C (92°F) during the day, accompanied by an average precipitation of 112 mm (4.4 in) over 14 days and a humidity level of 64%. In sharp contrast, January brings frigid temperatures, with minimums plunging to -18°C (0°F) and daytime highs peaking at just 11°C (52°F). This winter month records lower precipitation at 44 mm (1.7 in) over 12 days, but with a much higher humidity level of 90%. To explore more about January weather, visit Ostrava weather in January.

August and February present striking contrasts in weather. In August, temperatures range from a mild 7°C (45°F) at night to a sizzling 33°C (92°F) during the day, with an average of 20°C (68°F). This month experiences significant rainfall, with 112 mm (4.4 in) spread over 14 days, alongside a comfortable humidity level of 64%. In contrast, February brings a frigid chill, with nighttime lows plunging to -18°C (0°F) and daytime highs averaging just 1°C (34°F), peaking at 17°C (63°F). The month's precipitation is lower at 57 mm (2.2 in) over 12 days, but humidity is notably high at 87%. For a closer look at February weather specifics, visit Ostrava weather in February.

Comparing the weather in August and March reveals stark contrasts in temperature and overall conditions. August boasts a much warmer climate, with average temperatures reaching around 20°C (68°F) and highs peaking at 33°C (92°F), alongside relatively moderate humidity at 64% and significant precipitation of 112 mm (4.4 in) over 14 days. In contrast, March presents a much chillier atmosphere, with average temperatures hovering at just 4°C (40°F) and minimums dropping to -20°C (-4°F). Although March has lower overall precipitation at 52 mm (2.0 in) across 12 days, it comes with higher humidity levels at 83%, which can contribute to a damp and chilly feel. For a more detailed look at the weather specifics in March, visit Ostrava weather in March.

When comparing the weather in August and April, notable differences emerge. August typically features warmer temperatures, with a minimum of 7°C (45°F), an average of 20°C (68°F), and a maximum reaching up to 33°C (92°F). In contrast, April is much cooler, starting with a minimum of -6°C (22°F) and averaging 9°C (48°F), with a maximum of 27°C (80°F). Additionally, August sees more precipitation, with 112 mm (4.4 in) over 14 days, compared to April's 60 mm (2.4 in) across 10 days. Furthermore, while humidity in August averages around 64%, it is higher in April at 76%. For more detailed insights on April weather, visit Ostrava weather in April.

When comparing the weather in August to that in May, significant differences emerge. August enjoys warmer temperatures with an average of 20°C (68°F) and highs reaching up to 33°C (92°F), while May's average is considerably cooler at 13°C (56°F) and peaks at 29°C (84°F). Precipitation is fairly similar, with August receiving 112 mm (4.4 in) over 14 days, compared to May’s 101 mm (4.0 in) over 16 days. Humidity levels are slightly higher in May at 70%, versus 64% in August, indicating that while May is cooler, it may feel somewhat more humid. For more insight into May's conditions, you can explore Ostrava weather in May.

In comparing the weather of August and June, August tends to be warmer, with average temperatures reaching 20°C (68°F) compared to June's 19°C (66°F). The maximum temperatures in August can soar up to 33°C (92°F), slightly higher than June's peak of 32°C (90°F). While both months see similar precipitation days at 14, August experiences more rainfall overall, with 112 mm (4.4 in) compared to June's 86 mm (3.4 in). Additionally, June has a higher average humidity level at 71%, while August's humidity is slightly lower at 64%. For a more detailed look at June weather, check out Ostrava weather in June.

In comparing the weather of July and August, we see some notable differences. August tends to be slightly warmer, with an average temperature of 20°C (68°F), compared to July's average of 19°C (67°F). Although both months experience a minimum temperature of around 7°C (45°F), July often reaches a higher maximum temperature of 35°C (95°F), while August peaks at 33°C (92°F). Precipitation levels in August rise to 112 mm (4.4 in) over 14 days, surpassing July's 92 mm (3.6 in) for the same number of days. Additionally, humidity is marginally lower in August at 64% compared to July’s 67%. For those looking for more detailed insights, check out Ostrava weather in July.

August and September present notable contrasts in weather conditions. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 33°C (92°F), with an average of 20°C (68°F). The month experiences a relatively high precipitation level of 112 mm (4.4 in) over 14 days and a humidity of 64%. In comparison, September sees a significant drop in average temperature, with minimums reaching 1°C (34°F) and an average of 15°C (59°F), while maximums slightly decline to 30°C (87°F). Precipitation is slightly lower at 103 mm (4.1 in), occurring over 13 days, and humidity rises to 67%. For more detailed weather insights, visit Ostrava weather in September.

August typically presents a warm climate, with average temperatures ranging from a cool 7°C (45°F) at night to a scorching 33°C (92°F) during the day. Despite the warmth, it experiences a moderate amount of rainfall, with 112 mm (4.4 in) of precipitation spread over approximately 14 days and a humidity level of 64%. In contrast, October sees a significant drop in temperatures, with nighttime lows reaching -2°C (28°F) and daytime highs averaging around 24°C (76°F). The month brings light precipitation (84 mm or 3.3 in) over 11 days and increased humidity at 83%. This stark change in weather patterns highlights the transition from summer to autumn. For a detailed look at October weather, you can refer to Ostrava weather in October.

August and November present strikingly different weather patterns. In August, temperatures can soar, with a maximum reach of 33°C (92°F) and an average of 20°C (68°F), accompanied by a fair share of precipitation totaling 112 mm (4.4 in) across 14 days. The humidity sits at a moderately comfortable 64%. In contrast, November brings much cooler conditions, with a maximum temperature of only 19°C (66°F) and an average of just 6°C (43°F). The month sees less precipitation, totaling 49 mm (1.9 in) over 9 days, but the humidity rises significantly to 90%, creating a damp atmosphere. For more details, you can check out Ostrava weather in November.

August and December present strikingly different weather conditions. August boasts a mild climate with average temperatures around 20°C (68°F), peaking at a warm 33°C (92°F), accompanied by moderate humidity at 64%. It experiences significant rainfall, with 112 mm (4.4 in) over 14 days, creating a lush environment. In contrast, December plunges into the depths of winter, with average temperatures dropping to just 1°C (35°F) and nightly lows reaching as frigid as -11°C (12°F). Though it has less precipitation, totaling 68 mm (2.7 in), the higher humidity of 91% adds a chill to the air. For more detailed information about winter conditions, check out Ostrava weather in December.

Compare Ostrava's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Ostrava

As summer draws to a close, August in Ostrava presents a delightful contrast to the milder months, featuring a remarkable maximum temperature that can soar to 33°C (92°F), inviting outdoor adventures under the sun. While the average temperature hovers around a comfortable 20°C (68°F), the nights can cool down, offering a refreshing breeze. However, this month also sees an increase in precipitation, with 112 mm falling over 14 days, making summer rain showers a common occurrence. With a humidity level of 64%, the air often feels warm and lush, adding to the vibrant and dynamic atmosphere. For a deeper understanding of how August fits into the broader spectrum of Ostrava’s climate, explore more at Ostrava Climate.