August Weather in Sofia, Bulgaria

Last updated: August 21, 2025

August in Sofia, Bulgaria is characterized by warm and inviting weather, boasting a maximum temperature of 35°C (96°F) and an average of 20°C (69°F). While the days are typically sunny, the month does see a few instances of rain, with precipitation amounting to 33 mm (1.3 in) over approximately 7 days. The humidity levels hover around a comfortable 50%, making it an ideal time for both locals and tourists to explore the beauty and culture of this vibrant city. Whether you're enjoying a leisurely stroll or indulging in outdoor activities, August in Sofia offers a delightful summer experience.

August Temperature in Sofia

In August, Sofia, Bulgaria, experiences a delightful peak in summer warmth, with temperatures reflecting the vibrant essence of the season. The month typically sees a minimum of 7°C (44°F), while the average settles comfortably at 20°C (69°F). The days can soar to a maximum of 35°C (96°F), resembling the sweltering heights reached in July. This trend signifies a pattern of rising temperatures as the summer progresses, encouraging both locals and visitors to revel in outdoor activities under the sunny skies. As August transitions into September, the gradual drop in temperatures sets the stage for a cool yet pleasant autumn, marking the end of a dynamic summer.

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

The chart illustrates August temperature patterns in Sofia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sofia, 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).
JanFebMarAprMayJunJulAugSepOctNovDec283640485764686961514234
Data source: Temperature data for Sofia generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Sofia

August in Sofia, Bulgaria sees a notable decline in precipitation, with only 33 mm (1.3 in) of rain falling over approximately 7 days. This marks the driest month of the summer, following the peaks of June and July where rainfall reached 87 mm (3.4 in) and 67 mm (2.7 in), respectively. The relatively low August precipitation sets the stage for a transition into autumn, as September follows with even less rainfall at 25 mm (1.0 in) over just 4 days. This trend highlights the gradual shift from the humid summer months into a drier seasonal pattern, making the end of summer in Sofia notably warm and relatively dry.

August Precipitation Trends in Sofia

The chart displays monthly precipitation patterns in Sofia, 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 Sofia, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec554774506587683325443768
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Sofia

In August, Sofia, Bulgaria experiences a significant drop in humidity, hitting a comfortable 50%, which is the lowest level of the year. This sharp decline contrasts sharply with the high humidity of the winter months, where levels hover around 89% in January and February. As spring transitions into summer, there is a gradual decrease—beginning with 83% in March and peaking at 68% in July. However, by August, the air becomes refreshingly drier, making it an inviting time for outdoor activities. Following this dry spell, humidity begins to rise again in September, climbing back to 59%, as Sofia transitions into the autumn months. This annual humidity cycle highlights Sofia's diverse seasonal climate, offering residents and visitors alike the chance to enjoy a range of atmospheric conditions throughout the year.

August Average Humidity in Sofia

This chart illustrates the average monthly humidity levels in Sofia, 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 Sofia is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%85%83%71%73%67%68%50%59%79%87%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sofia

In August, Sofia experiences a UV Index of 9, categorizing it as very high exposure, with a burn time of just 15 minutes. This trend follows the intense sunlight seen in June and July, which both peak at a UV Index of 10. As summer continues into August, it's crucial for residents and visitors alike to take extra precautions against sunburn, especially during peak hours. The UV Index then begins to taper off in September to 7, signaling the gradual transition into autumn. For more insights into the UV Index throughout the year, check out Sofia UV Index.

Maximum UV Index Levels in Sofia for August

The chart shows the monthly maximum UV Index (UVI) for Sofia 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 Sofia typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24779101097632
Data source: Sofia 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 Sofia

August in Sofia, Bulgaria, is a delightful embrace of summer's warmth, boasting 401 hours of sunshine. This vibrant month continues the trend established from the peak of July, which shines with an impressive 423 hours of daylight. As summer unfolds, there's a gradual decline to 342 hours in September, signaling the transition into autumn. Interestingly, the sunshine hours in August remain robust compared to earlier months; the city's delightful glow has steadily increased since January's mere 173 hours. Overall, Sofia's summer months showcase a notable surge in sunlight, inviting both locals and visitors to bask in the long, bright days before the cooler seasons arrive.

Monthly Sunshine Duration in Sofia: August Highlighted

The August sunshine duration represents the total number of hours Sofia 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.
JanFebMarAprMayJunJulAugSepOctNovDec173h238h285h342h393h393h423h401h342h287h234h211h
Data source: Sofia August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sofia During August

As August rolls in, Sofia, Bulgaria, basks in a promising 74% chance of sunny weather, making it one of the sunniest months of the year. This trend of increasing sun exposure is evident as temperatures rise through the summer, with July already boasting a high 73% chance. The transition from the cooler months to the peak of summer showcases a significant upward trend in sunshine probability, with early months like January and February languishing around 26% and 50%, respectively. By the time August arrives, the city is ripe for outdoor adventures and leisurely days in the sun, confirming its reputation as a vibrant summer destination.

Percentage of Sunny Days in August in Sofia

The chart illustrates the percentage of sunny days in Sofia 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 Sofia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%50%48%41%45%46%73%74%54%44%31%31%
Data source: Sofia August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sofia in August

In Sofia, Bulgaria, August marks a gentle transition as daylight begins to wane, offering approximately 13 hours of sunlight. This decline follows the peak of summer in June, which boasts about 15 hours of daylight. The month serves as a bridge between the vibrant days of mid-summer and the upcoming fall, where daylight steadily decreases. As the days shorten from July’s 14 hours, August's sunlight provides a last taste of summer's warmth before September ushers in a further reduction to 12 hours. This rhythmic ebb and flow of daylight not only influences the city's daily life but also enriches the experience of Sofia’s stunning late summer evenings.

Average Daylight Hours in Sofia for August

The chart illustrates the variation in daylight duration in Sofia throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 32m11h 57m13h 24m14h 38m15h 15m14h 56m13h 50m12h 26m11h9h 43m9h 4m
Data source: Sofia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Sofia

In August, Sofia experiences a gentle breeze with an average wind speed of 1.8 m/s (4 mph), marking a subtle dip compared to the more consistent winds earlier in the year. This month's breeziness blends smoothly into the city's vibrant summer atmosphere, echoing the 2.0 m/s (5 mph) in September as the seasons transition. While the summer months generally feature lower wind speeds, with July also at 2.0 m/s, the overall trend reflects a calmness that enhances the warm evenings spent outdoors. As temperatures gradually cool and autumn approaches, the wind picks up slightly again, setting a rhythmic backdrop for the city's changing landscape.

Average August Wind Speed in Sofia

The chart displays monthly wind speed patterns in Sofia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.12.32.12.31.72.01.8 m/s2.02.12.02.1
Data source: Sofia August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Sofia Compares to Other Months

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

August and January present stark contrasts in weather conditions. In August, temperatures range from a comfortable 7°C (44°F) to a sweltering high of 35°C (96°F), with an average of 20°C (69°F) and relatively low precipitation of 33 mm (1.3 in) over about 7 days. The humidity hovers around 50%, making the warm days feel pleasant. In stark comparison, January’s temperatures plummet, with a minimum of -25°C (-14°F) and a peak of only 12°C (54°F), averaging -2°C (29°F). This winter month sees more precipitation at 55 mm (2.2 in) across 9 days, accompanied by significantly higher humidity at 89%. For a detailed view of Sofia's weather during this chilly season, visit Sofia weather in January.

August and February present stark contrasts in weather conditions. In August, temperatures range from a mild 7°C (44°F) at night to a hot 35°C (96°F) during the day, with an average temperature of 20°C (69°F). The humidity sits at a comfortable 50%, and precipitation is relatively low at 33 mm (1.3 in) over about 7 days. In contrast, February experiences much colder temperatures, with a chilling minimum of -22°C (-8°F) and a maximum of 18°C (64°F), leading to an average of just 2°C (36°F). The month is also much wetter, with precipitation totaling 47 mm (1.8 in) over 8 days and a much higher humidity of 85%. For more details, visit Sofia weather in February.

In August, the weather in Sofia is warm and relatively dry, with temperatures ranging from a chilly 7°C (44°F) at night to a hot 35°C (96°F) during the day. The humidity levels are moderate at 50%, and the city experiences an average of 33 mm (1.3 in) of precipitation over approximately 7 days. In contrast, March presents a much cooler climate, with temperatures dipping as low as -20°C (-3°F) and averaging around 5°C (40°F), peaking at a mild 22°C (71°F). March is significantly wetter, with 74 mm (2.9 in) of rainfall spread over about 11 days, and high humidity at 83%. For a deeper look into the conditions during March, you can check Sofia weather in March.

When comparing the weather in August and April, significant differences become apparent. August typically boasts warmer temperatures, with averages around 20°C (69°F) and highs reaching up to 35°C (96°F), contrasted with April’s cooler average of 9°C (49°F) and maximums of 25°C (78°F). Precipitation levels are also noteworthy; April receives more rain, with 50 mm (2.0 in) over approximately 10 days, while August sees only 33 mm (1.3 in) over 7 days. Furthermore, humidity is higher in April at 71%, compared to 50% in August, contributing to a distinctly different feel in the two months. For a more detailed look at April's weather in Sofia, you can refer to Sofia weather in April.

August generally experiences warmer temperatures compared to May, with a minimum of 7°C (44°F) and a maximum of 35°C (96°F), resulting in an average temperature of 20°C (69°F). In contrast, May has a cooler minimum of 1°C (34°F) and a maximum of 29°C (84°F), with an average temperature of 14°C (57°F). Additionally, May tends to be wetter, with 65 mm (2.6 in) of precipitation over 14 days, while August has less rainfall at 33 mm (1.3 in) across 7 days. Humidity levels are also higher in May at 73%, whereas August has a relative humidity of 50%. For more detailed information about May weather specifically, you can check Sofia weather in May.

When comparing the weather in August and June, August generally offers warmer temperatures, with minimums reaching 7°C (44°F) and maximums soaring up to 35°C (96°F), leading to an average of 20°C (69°F). In contrast, June tends to be slightly cooler, presenting minimum temperatures of 4°C (39°F) and maximums around 32°C (91°F), making for an average of 18°C (64°F). August also experiences less precipitation, with only 33 mm (1.3 in) over 7 rainy days, whereas June is decidedly wetter, accumulating 87 mm (3.4 in) across 16 days of rain. Additionally, humidity levels in August average 50%, compared to a more humid June at 67%. For a closer look at June weather specifics, you can check Sofia weather in June.

When comparing the weather in August to July, we can see some interesting trends. August presents slightly warmer conditions, with average temperatures of 20°C (69°F), while July maintains a similar average at 20°C (68°F). However, July starts off a tad cooler with a minimum temperature of 8°C (47°F) compared to August’s minimum of 7°C (44°F). Notably, July experiences higher precipitation levels, totaling 67 mm (2.7 in) over 11 days, while August brings less rain at 33 mm (1.3 in) over just 7 days. Additionally, humidity is more pronounced in July at 68%, creating a stickier atmosphere compared to the drier conditions of August, with humidity at 50%. For more details on July weather, check out Sofia weather in July.

August typically features warmer temperatures, with a minimum of 7°C (44°F) and a maximum reaching up to 35°C (96°F), averaging around 20°C (69°F). In contrast, September sees a notable drop in temperatures, with a minimum of -2°C (28°F) and an average of 16°C (61°F), although it can still peak at 32°C (90°F). Precipitation in August is slightly higher, totaling 33 mm (1.3 in) over 7 days, compared to September's 25 mm (1.0 in) over just 4 days. Interestingly, September experiences a higher humidity level at 59%, compared to August's 50%. For more information, you can check Sofia weather in September.

In August, Sofia experiences warmer weather with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 35°C (96°F), averaging around 20°C (69°F). The month is relatively dry, with only 33 mm (1.3 in) of precipitation spread over 7 days and a moderate humidity level of 50%. In contrast, October brings a significant drop in temperatures, with a minimum of -3°C (27°F), an average of 10°C (51°F), and a maximum of 28°C (84°F). This month sees an increase in precipitation to 44 mm (1.7 in) over 6 days, alongside higher humidity, rising to 79%. The shift from the heat of August to the crispness of October marks a notable change in Sofia's climate. For more details, you can check Sofia weather in October.

August and November present stark contrasts in weather characteristics. In August, temperatures range from a mild 7°C (44°F) at night to a warm 35°C (96°F) during the day, with an average temperature of 20°C (69°F). The month experiences moderate humidity at 50% and relatively low precipitation of 33 mm (1.3 in) over 7 days. In contrast, November sees much colder temperatures, with a minimum of -14°C (6°F) and an average of only 6°C (42°F), peaking at 22°C (73°F). Humidity rises dramatically to 87%, and precipitation increases slightly to 37 mm (1.5 in) over 6 days. For a more detailed look at November's weather, visit Sofia weather in November.

August and December present stark contrasts in weather patterns. In August, temperatures soar with a minimum of 7°C (44°F), an average of 20°C (69°F), and a maximum reaching 35°C (96°F). The month also sees relatively low precipitation, totaling 33 mm (1.3 in) over about 7 days, with humidity at a more comfortable 50%. In contrast, December is much colder, with temperatures dropping significantly to a minimum of -14°C (7°F), an average of just 1°C (34°F), and a maximum of 13°C (55°F). This month experiences higher precipitation, with 68 mm (2.7 in) over approximately 12 days, coupled with a high humidity level of 89%. For more detailed insights, you can check Sofia weather in December.

Compare Sofia's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Sofia

As August rolls into Sofia, the weather takes on a distinctly warmer character, with temperatures rising significantly compared to the cooler months. This summer peak presents a delightful average of 20°C, making it a great time for outdoor adventures, while the occasional high can reach a sizzling 35°C. Despite the warmth, August maintains a pleasant humidity level around 50%, ensuring that the heat is more enjoyable than oppressive. With only about 7 days of rainfall totaling 33 mm, this month stands out as relatively dry, offering plenty of sunshine for exploration. For those looking to dive deeper into Sofia's diverse climate throughout the year, be sure to check out Sofia Climate.