August Weather in Bucharest, Romania

Last updated: August 27, 2025

August in Bucharest, Romania is characterized by warm to hot temperatures, with maximums reaching up to 38°C (101°F), while the average hovers around a comfortable 25°C (77°F). The evenings can be cooler, with minimums dipping to 11°C (52°F). Although the city experiences light precipitation, with 33 mm (1.3 in) over approximately 6 days, a relatively low humidity level of 48% makes the heat more bearable. Visitors can expect a mix of sunny days and refreshing showers, making it an ideal time to explore the vibrant culture of Romania’s capital.

August Temperature in Bucharest

In Bucharest during August, temperatures soar, presenting a vibrant peak of summer with a minimum of 11°C (52°F) and an impressive average of 25°C (77°F). The city can experience the sweltering high of 38°C (101°F), akin to the fierce heat seen in July. This significant warmth is part of a discernible upward trend throughout the summer months, showcasing a shift from the cooler spring and early summer temperatures. As Romania’s capital basks under the sun, the climate encourages outdoor activities and cultural festivities, making it an ideal time to explore the lively streets and parks. With the summer's lingering warmth fading into September, August serves as a culminating chapter in Bucharest's seasonal narrative.

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

The chart illustrates August temperature patterns in Bucharest, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bucharest, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec323743546371747767554537
Data source: Temperature data for Bucharest 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 Bucharest

In Bucharest, August typically sees a decrease in precipitation, with only 33 mm (1.3 in) recorded over 6 days—the lowest monthly total of the year. This marks a significant drop compared to the previous months, particularly the wet month of June, which boasted a striking 115 mm (4.5 in) and 15 days of rain. The trend indicates a gradual tapering off of rain as summer wanes, leading into the cooler months ahead. Following August, September also remains dry, with just 23 mm (0.9 in) of precipitation over 3 days, emphasizing a transition towards a drier climate as autumn approaches. This pattern reflects a seasonal shift that residents and visitors alike can expect as they navigate Bucharest's weather landscape.

August Precipitation Trends in Bucharest

The chart displays monthly precipitation patterns in Bucharest, 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. In Bucharest, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4043614469115903323704363
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Bucharest

In August, Bucharest experiences a remarkable shift in humidity, dropping to 48%, making it the driest month of the year. This significant reduction follows a steady decline from 71% in May and 66% in July, signaling a transition into a more comfortable summer. As the city basks in the warmth of the sun, the low humidity enhances the overall experience, allowing residents and visitors to enjoy outdoor activities without the discomfort of mugginess. However, as September rolls in, humidity levels begin to rise again, increasing to 57%, hinting at the return of more humid conditions as the cooler months approach. This trend illustrates a clear pattern of fluctuating humidity throughout the year, with August standing out as a breath of fresh air amidst the typically more humid climate of Bucharest.

August Average Humidity in Bucharest

This chart illustrates the average monthly humidity levels in Bucharest, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Bucharest is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%85%82%73%71%70%66%48%57%79%88%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Bucharest

In August, Bucharest experiences a UV Index of 8, maintaining its position in the very high exposure category, similar to the preceding months of June and July. This indicates that sun enthusiasts should be extra diligent about sun protection, as the burn time is a mere 15 minutes. Notably, the UV Index sees a slight decline from July's peak but remains significantly elevated, reflecting the summer's enduring intensity. As the season transitions into September, residents can expect a decrease to an index of 7, allowing for more relaxed outdoor activities as the risk of harmful UV exposure diminishes. For those interested in keeping track of UV levels throughout the year, visit Bucharest UV Index for detailed insights.

Maximum UV Index Levels in Bucharest for August

The chart shows the monthly maximum UV Index (UVI) for Bucharest 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. In August, the maximum UV index in Bucharest typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Bucharest 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 Bucharest

In August, Bucharest basks in a generous 406 hours of sunshine, a slight dip from July's peak, yet still reflecting the city's vibrant summer climate. As the summer season progresses, sunlight hours gradually decrease from the high of 425 hours in July, signaling the end of long, sun-drenched days. This trend underscores a broader pattern where the city experiences its most extensive sunlight during the mid-year months, particularly from April to July. Following August, sunshine steadily wanes, with September bringing 343 hours and a notable decline into the cooler months. Overall, August serves as a delightful reminder of the city's warm, sunlit days before transitioning into the golden hues of autumn.

Monthly Sunshine Duration in Bucharest: August Highlighted

The August sunshine duration represents the total number of hours Bucharest 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.
JanFebMarAprMayJunJulAugSepOctNovDec169h231h293h346h398h405h425h406h343h288h215h191h
Data source: Bucharest August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bucharest During August

In August, Bucharest basks in the height of summer, boasting a 70% chance of sunny weather that mirrors the preceding month of July. This trend showcases a marked increase in sunshine compared to the earlier months of the year, where the chances hover below 50%. From the dreary days of winter with just a 27% likelihood of sun in January, residents and visitors alike can look forward to August’s radiant skies as part of a consistent upward trend in sunny days. As autumn approaches in September, the likelihood of sunshine still remains a favorable 59%, but August stands out as one of the sunniest months, inviting outdoor adventures and leisurely days under the bright Bucharest sun.

Percentage of Sunny Days in August in Bucharest

The chart illustrates the percentage of sunny days in Bucharest 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 Bucharest experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%36%42%41%41%43%70%70%59%39%38%23%
Data source: Bucharest August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bucharest in August

In Bucharest, Romania, the daylight duration experiences a captivating ebb and flow throughout the year, peaking in the vibrant summer months. Starting with a modest 9 hours of daylight in January, the days gradually lengthen, reaching their zenith with 15 hours in both June and July. As August arrives, the daylight begins to wane slightly, offering 13 hours of sunshine—a gentle reminder that summer is transitioning into autumn. This gradual decrease continues into September and October, leading to shorter days ahead. The trend showcases the city's seasonal rhythm, where each month offers a unique blend of light and shadow, painting a beautiful tapestry of changing times in the heart of Romania.

Average Daylight Hours in Bucharest for August

The chart illustrates the variation in daylight duration in Bucharest throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 14m10h 26m11h 56m13h 29m14h 48m15h 29m15h 7m13h 57m12h 28m10h 56m9h 34m8h 52m
Data source: Bucharest daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Bucharest

In August, Bucharest experiences a gentle breeze with an average wind speed of 2.3 m/s (5 mph), a slight dip from the preceding months. As the summer unfolds, these soft winds provide a refreshing contrast to the warmer temperatures, highlighting a trend of consistently mild winds throughout the summer months. This calm atmosphere continues a pattern seen since June, where wind speeds reached their lowest, peaking again as autumn approaches with September's wind speed rising to 2.6 m/s. Overall, the average wind speeds in Bucharest show a subtle yet rhythmic ebb and flow, contributing to the city's vibrant seasonal tapestry.

Average August Wind Speed in Bucharest

The chart displays monthly wind speed patterns in Bucharest, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.02.72.72.62.72.02.42.3 m/s2.63.02.42.7
Data source: Bucharest August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Bucharest Compares to Other Months

Weather in Bucharest varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Bucharest, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January present striking contrasts in weather. August features mild temperatures, with a minimum of 11°C (52°F), an average of 25°C (77°F), and a maximum reaching up to 38°C (101°F). The month is relatively dry, experiencing about 33 mm (1.3 in) of precipitation over six days, with humidity at a moderate 48%. In stark contrast, January is characterized by a frigid climate, with temperatures plunging to a minimum of -23°C (-9°F), averaging around 0°C (32°F), and peaking at 15°C (59°F). This winter month receives slightly more precipitation, totaling 40 mm (1.6 in) over seven days, accompanied by high humidity at 88%. For more detailed information about the January weather in Bucharest, visit Bucharest weather in January.

When comparing the weather in August and February, it's clear that these months present quite different climates. August typically boasts warm temperatures, with averages around 25°C (77°F) and maximums reaching up to 38°C (101°F). The humidity is relatively moderate at 48%, and precipitation is low, averaging just 33 mm over about six days. In contrast, February is much colder, with average temperatures only around 3°C (37°F) and minimums dipping to -14°C (6°F). This winter month sees higher humidity levels at 85% and slightly more precipitation, averaging 43 mm over eight days. For more detailed insights about February weather, you can visit Bucharest weather in February.

August and March present stark contrasts in weather conditions. In August, temperatures vary from a mild 11°C (52°F) at night to a scorching high of 38°C (101°F) during the day, with an average of 25°C (77°F). The month sees relatively low precipitation, with only 33 mm (1.3 in) over 6 days and humidity at a moderate 48%. In comparison, March experiences much colder conditions, with nighttime lows plunging to -19°C (-2°F) and daytime highs reaching a comfortable 25°C (77°F). The average temperature is just 6°C (44°F), while total precipitation is higher at 61 mm (2.4 in) across 9 days, accompanied by significantly higher humidity levels at 82%. For more details on March weather, check out Bucharest weather in March.

When comparing the weather between April and August, the differences are quite pronounced. In August, temperatures range from a chilly 11°C (52°F) to a scorching 38°C (101°F), with an average of 25°C (77°F). In contrast, April's temperatures are much cooler, with minimums dipping to -1°C (30°F) and a maximum of 29°C (84°F), averaging just 12°C (54°F). While August experiences relatively low precipitation at 33 mm (1.3 in) over 6 days, April has a slightly higher precipitation of 44 mm (1.7 in) and rain occurring over 7 days. Additionally, humidity levels are significantly higher in April at 73%, compared to August's 48%. For a more detailed overview of April's weather patterns, check out Bucharest weather in April.

When comparing the weather in August and May, we see distinct differences in temperatures and precipitation levels. August features warmer conditions, with average temperatures reaching around 25°C (77°F), peaking at a scorching 38°C (101°F), while May presents cooler temperatures, averaging 17°C (63°F) and a maximum of 31°C (88°F). Additionally, August experiences less precipitation, with only 33 mm (1.3 in) over about 6 days, contrasting with May's higher rainfall of 69 mm (2.7 in) spread over 11 days. Humidity levels are also notably different, with August at 48% compared to May's more humid 71%. For a detailed look at the weather in May, you can visit Bucharest weather in May.

When comparing the weather in June and August, distinct differences emerge in both temperature and precipitation. August typically offers warmer conditions, with average highs reaching 25°C (77°F) and occasional peaks of up to 38°C (101°F), while June’s average temperature is slightly cooler at 22°C (71°F), with a maximum of 37°C (99°F). Precipitation is notably lower in August, with only 33 mm (1.3 in) falling over about 6 days, compared to June’s much wetter climate, which sees 115 mm (4.5 in) over 15 days. Additionally, humidity levels are higher in June at 70%, making it feel more muggy, while August presents a relatively comfortable humidity of 48%. For a deeper dive into June conditions, check out Bucharest weather in June.

In comparing the weather of August and July, we find some distinct differences. August generally features a slightly warmer average temperature of 25°C (77°F) compared to July's average of 24°C (75°F), with both months experiencing similar maximum temperatures of around 38°C (101°F and 100°F, respectively). However, August is notably drier, with only 33 mm (1.3 in) of rainfall over six days, while July receives considerably more precipitation, totaling 90 mm (3.5 in) across ten rainy days. Additionally, humidity levels are lower in August at 48%, compared to July's higher humidity of 66%. For more information on precipitation in July, you can check Bucharest weather in July.

August typically features warmer temperatures, with minimums around 11°C (52°F) and averages reaching up to 25°C (77°F), peaking at a scorching 38°C (101°F). In contrast, September shows a notable drop in the minimum temperature to 1°C (35°F) and an average of 20°C (68°F), while the maximum remains relatively high at 36°C (97°F). Precipitation is slightly lower in September at 23 mm (0.9 in) over just 3 days compared to August's 33 mm (1.3 in) spread over 6 days. Additionally, September experiences higher humidity levels at 57%, compared to August's 48%. For more detailed insights, check this link: Bucharest weather in September.

August and October present contrasting weather conditions. In August, temperatures range from a comfortable minimum of 11°C (52°F) to a scorching maximum of 38°C (101°F), with an average of 25°C (77°F). The month experiences relatively low precipitation of 33 mm (1.3 in) over about six days and a humidity level of 48%. In stark contrast, October sees much cooler temperatures, with a minimum of 1°C (33°F), an average of 13°C (56°F), and a maximum of 31°C (87°F). This month brings more rain, totaling 70 mm (2.8 in) across seven days, alongside a significant increase in humidity at 79%. For more details, you can check Bucharest weather in October.

August and November showcase contrasting weather patterns. In August, temperatures range from a minimum of 11°C (52°F) to a scorching maximum of 38°C (101°F), with an average around 25°C (77°F). The month sees relatively low precipitation of 33 mm (1.3 in) over about 6 days and a comfortable humidity level of 48%. In stark contrast, November brings cooler conditions, with temperatures dipping to a minimum of -5°C (24°F) and an average of just 7°C (45°F), though it peaks at a milder 28°C (82°F). Precipitation increases in November to 43 mm (1.7 in), occurring over 8 days, and humidity rises significantly to 87%. For more detailed insights, visit Bucharest weather in November.

August and December present stark contrasts in weather. In August, temperatures are much warmer, ranging from a minimum of 11°C (52°F) to a maximum of 38°C (101°F), with an average of 25°C (77°F). The month is relatively dry, with 33 mm (1.3 in) of precipitation over 6 days and humidity averaging 48%. In contrast, December brings much colder conditions, with minima plunging to -9°C (16°F) and a much cooler average of 3°C (37°F). Maximum temperatures can reach 15°C (60°F), but the overall feel is much chillier, compounded by higher humidity levels of 88% and increased precipitation totaling 63 mm (2.5 in) over 11 days. For a closer look at what to expect in December, check out Bucharest weather in December.

Compare Bucharest's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Bucharest

As August rolls in, Bucharest experiences a notable shift in weather, marked by higher temperatures and lower humidity compared to the earlier summer months. With maximum temperatures soaring around 38°C (101°F), the city basks in the warmth, making it one of the hottest months of the year. While occasional rain showers bring some relief, averaging just 33 mm over about six days, the overall average temperature of 25°C (77°F) ensures that the summer vibe continues. If you're planning a visit, don’t forget to check out the details on the seasonal changes in the city's climate over at Bucharest Climate.