October Weather in Sofia, Bulgaria

Last updated: August 21, 2025

In October, Sofia, Bulgaria, experiences a captivating transition as the season shifts. With a maximum temperature reaching 28°C (84°F) and a cool average of 10°C (51°F), residents and visitors alike can enjoy a refreshing mix of warmth and crisp air. However, nights can be chilly, dipping to a minimum of -3°C (27°F), reminding all of the approaching winter. The city receives an average precipitation of 44 mm (1.7 in) over about 6 days, adding a touch of moisture to the autumn ambiance, while a humidity level of 79% envelops Sofia in a soft embrace. This delightful blend of weather conditions creates the perfect backdrop for enjoying the vibrant fall foliage and the rich cultural tapestry of Bulgaria’s capital.

October Temperature in Sofia

In October, Sofia, Bulgaria, experiences a notable transition as it gently shifts away from the warmth of summer. Temperatures drop, with lows around -3°C (27°F) but still reaching a pleasant average of 10°C (51°F) during the day. This month showcases the vibrant interplay between lingering warmth and the upcoming chill, as daytime highs can soar up to 28°C (84°F), providing a delightful contrast. As autumn settles in, the crisp air invites residents and tourists alike to enjoy the stunning fall foliage, making October a captivating time to explore the city while roasting chestnuts on the streets. The evolving climate reflects a natural progression towards winter, with expectations of colder days just around the corner.

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

The chart illustrates October 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, October 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.

October Precipitation in Sofia

In October, Sofia experiences an average precipitation of 44 mm (1.7 in) over approximately 6 days, marking a transition into the wetter months as autumn deepens. This amount reflects a slight increase compared to the notably dry September, which recorded just 25 mm (1.0 in). The rain in October helps to replenish the landscape, setting the stage for the rich fall colors. As the city shifts from the summer's minimal rainfall—illustrated by August's mere 33 mm (1.3 in)—the gradual uptick in precipitation helps encapsulate the essence of this vibrant season, where the refreshing downpours contrast beautifully with the crisp air. This pattern suggests that while October may not be the wettest month, it plays a crucial role in the seasonal transition.

October Precipitation Trends in Sofia

The chart displays monthly precipitation patterns in Sofia, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Sofia, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec554774506587683325443768
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Sofia

As October arrives in Sofia, Bulgaria, the city experiences a shift in humidity levels, settling at 79%. This marks a notable increase from the drier summer months of August and September, where humidity dipped to 50% and 59% respectively. As autumn unfolds, the air becomes noticeably cooler and more humid, paving the way for the wetter conditions typical of winter. Following October, humidity levels will rise further, peaking around 89% in January and December, resembling the high levels observed at the start of the year. This trend highlights Sofia’s gradual transition from a dry, warm summer towards a more humid, chilly winter, creating a unique atmosphere as the seasons change.

October Average Humidity in Sofia

This chart illustrates the average monthly humidity levels in Sofia, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Sofia

In October, Sofia experiences a UV Index of 6, placing it in the high exposure category, with a burn time of about 25 minutes. This marks a slight decrease from the peak summer months of June and July, which boasted a UV Index of 10. As the seasons shift, it's clear that sun safety is still important as October reflects a transition to milder conditions, but the potential for skin damage remains significant. With the UV Index gradually declining from the heights of late summer, this month's readings remind us to stay vigilant while enjoying the outdoor beauty that Sofia has to offer. For more detailed information on UV levels throughout the year, visit Sofia UV Index.

Maximum UV Index Levels in Sofia for October

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

October Sunshine in Sofia

In October, Sofia basks in a warm golden glow, enjoying 287 hours of sunshine that herald the transition from summer to autumn. This month showcases a gentle decline from the sun-drenched heights of 423 hours in July, while still providing significantly more brightness than the winter months that follow. As autumn unfolds, the sunshine begins to taper off, echoing the lush brightness of earlier months like May and June, each boasting 393 hours. October's moderate sunshine serves as a perfect backdrop for the rich tapestry of fall colors, making it an inviting time to explore the city's charming streets before winter casts its shadow.

Monthly Sunshine Duration in Sofia: October Highlighted

The October sunshine duration represents the total number of hours Sofia experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec173h238h285h342h393h393h423h401h342h287h234h211h
Data source: Sofia October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sofia During October

As October rolls into Sofia, Bulgaria, the likelihood of sunny weather remains relatively moderate at 44%. This is a slight dip compared to the sun-soaked heights of summer, where July and August boast chances of 73% and 74% sunshine, respectively. However, October still holds its own when compared to the more overcast months that follow; the likelihood of sun is notably higher than in November and December, which both hover around 31%. This pattern suggests that while autumn may signal the waning of those warm summer days, it still offers a respectable share of sunny moments before winter takes hold.

Percentage of Sunny Days in October in Sofia

The chart illustrates the percentage of sunny days in Sofia throughout the year, with October 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 October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sofia in October

As October unfolds in Sofia, Bulgaria, daylight begins to gently taper off, offering about 11 hours of sunlight—a subtle reflection of the transitioning seasons. Following a vibrant summer with a peak of 15 hours in June, this month marks a shift towards shorter days, echoing the gradual decline familiar from September's 12 hours. With winter on the horizon, the diminishing light can evoke a sense of coziness and introspection, inviting residents and visitors alike to embrace the beauty of autumn's golden hues as daylight retreats, mirroring the natural rhythm of the year.

Average Daylight Hours in Sofia for October

The chart illustrates the variation in daylight duration in Sofia throughout the year, with October 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.

October Winds in Sofia

As October settles in Sofia, Bulgaria, the city experiences a gentle breeze with an average wind speed of 2.1 m/s (5 mph). This marks a subtle shift from the summer months, where winds were slightly calmer, averaging around 1.7 to 2.0 m/s. Fall transitions in Sofia bring a refreshing, crisp air, inviting residents and visitors alike to enjoy the vibrant autumn scenery. The winds remain consistent, mirroring the earlier months of spring, where similar speeds were recorded. This steady breeze not only adds to the city's charm but also signals the approach of winter, creating a perfect backdrop for cozy strolls through colorful foliage.

Average October Wind Speed in Sofia

The chart displays monthly wind speed patterns in Sofia, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.12.32.12.31.72.01.82.02.1 m/s2.02.1
Data source: Sofia October wind data, generated using information from the Copernicus Climate Change Service.

How October 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 October’s weather to other months in Sofia, focusing on differences in temperature, rainfall, humidity, and UV levels.

In October, temperatures range from a chilly -3°C (27°F) at the lowest to a warm 28°C (84°F) at their peak, with an average of 10°C (51°F). The month sees about 44 mm (1.7 in) of precipitation over roughly 6 days, contributing to a humidity level of 79%. In contrast, January experiences much colder conditions, with temperatures dropping to a minimum of -25°C (-14°F) and peaking at 12°C (54°F), bringing an average temperature of -2°C (29°F). Precipitation increases to 55 mm (2.2 in) across 9 days, and the humidity is slightly higher at 89%. For more details, check out this link: Sofia weather in January.

October and February exhibit stark contrasts in weather conditions. October typically sees milder temperatures, ranging from a minimum of -3°C (27°F) to an average of 10°C (51°F) and a maximum of 28°C (84°F), with an average precipitation of 44 mm (1.7 in) over about 6 days. In contrast, February experiences much colder temperatures, with minima plummeting to -22°C (-8°F) and an average of just 2°C (36°F), peaking at 18°C (64°F). Despite February having slightly higher precipitation at 47 mm (1.8 in) over 8 days, its humidity remains comparable at 85%. For more detailed insights, you can check Sofia weather in February.

In October, the weather is generally milder with average temperatures around 10°C (51°F), peaking at a pleasant 28°C (84°F), while experiencing a lower humidity level of 79%. In contrast, March is notably colder, with temperatures ranging from a minimum of -20°C (-3°F) to a maximum of 22°C (71°F), and an average of just 5°C (40°F). March also sees more precipitation, measuring 74 mm (2.9 in) over 11 days, compared to October’s 44 mm (1.7 in) across 6 days. For a detailed look at the weather trends during this month, you can check out Sofia weather in March.

October and April present distinct weather experiences. In October, temperatures range from a chilly -3°C (27°F) to a warm 28°C (84°F) with an average of 10°C (51°F). The month typically sees about 44 mm (1.7 in) of precipitation over approximately 6 days, accompanied by a higher humidity of 79%. Conversely, April experiences slightly cooler temperatures, with minimums reaching -6°C (21°F) and maximums around 25°C (78°F), averaging 9°C (49°F). While April has a bit more precipitation at 50 mm (2.0 in) spread over 10 days, it features lower humidity at 71%. For more detailed insights, check out Sofia weather in April.

October and May present distinct weather patterns, showcasing the transition from autumn to spring. In October, temperatures can dip as low as -3°C (27°F), with an average of 10°C (51°F) and maximums reaching 28°C (84°F). The month sees an average precipitation of 44 mm (1.7 in) over about 6 days, coupled with a higher humidity of 79%. Conversely, May features a milder climate, with temperatures ranging from a low of 1°C (34°F) to an average of 14°C (57°F) and a maximum of 29°C (84°F). This month has a higher total precipitation of 65 mm (2.6 in), spread over 14 days, while humidity levels are slightly lower at 73%. Overall, while October's chill hints at winter's approach, May offers a warmer and wetter welcome to the blooming season. For more detailed statistics, you can check Sofia weather in May.

October weather typically features a wider temperature range, with minimums dropping to -3°C (27°F) and maximums reaching 28°C (84°F). The average temperature hovers around 10°C (51°F), making it a transitional month. In contrast, June enjoys milder temperatures, with minimums of 4°C (39°F) and maximums soaring to 32°C (91°F), averaging 18°C (64°F). Precipitation is more frequent in June, occurring over 16 days and totaling 87 mm (3.4 in), compared to October's 44 mm (1.7 in) over just 6 days. June also sees lower humidity at 67%, while October's humidity is higher at 79%. For more specific details, check out Sofia weather in June.

October and July present notably different weather patterns. In October, temperatures can drop to a minimum of -3°C (27°F) and peak at around 28°C (84°F), with an average of 10°C (51°F), contrasted with July’s warmer climate, where the temperature ranges from a minimum of 8°C (47°F) to a maximum of 35°C (95°F) and an average of 20°C (68°F). Rainfall is more prevalent in July, with 67 mm (2.7 in) over 11 days compared to October's 44 mm (1.7 in) across 6 days. The humidity also differs, as October’s average humidity is higher at 79%, while July’s sits at 68%. For more details, check Sofia weather in July.

When comparing the weather in October and August, notable differences emerge. October experiences cooler temperatures, with averages ranging from a minimum of -3°C (27°F) to a maximum of 28°C (84°F), while August boasts much warmer conditions with averages between 7°C (44°F) and 35°C (96°F). Additionally, October records higher humidity levels at 79%, compared to August's 50%, contributing to a different atmospheric feel. Precipitation in October is slightly higher at 44 mm (1.7 in) over 6 days, whereas August sees a total of 33 mm (1.3 in) over 7 days. For a more detailed insight into August’s weather, you can check Sofia weather in August.

October weather in Sofia presents a distinct shift compared to September. While September boasts higher average temperatures with a range from -2°C (28°F) to a warm 32°C (90°F), October sees cooler conditions, with a minimum of -3°C (27°F) and a maximum of 28°C (84°F). The average temperature in October drops to 10°C (51°F), highlighting a transition into autumn. Additionally, October experiences more precipitation, receiving 44 mm (1.7 in) over 6 days, compared to September's 25 mm (1.0 in) over just 4 days. The humidity also rises in October to 79%, indicating a shift to a cooler, wetter climate. For more details on September’s weather, check out Sofia weather in September.

October and November exhibit notable differences in weather patterns. In October, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 28°C (84°F), with an average of 10°C (51°F). The month sees an average precipitation of 44 mm (1.7 in) over 6 days and a relative humidity of 79%. In contrast, November brings colder temperatures, with a minimum drop to -14°C (6°F) and a maximum of 22°C (73°F), averaging 6°C (42°F). Precipitation decreases slightly to 37 mm (1.5 in) over the same number of days, but humidity rises to 87%. For more details, you can check Sofia weather in November.

October and December weather exhibit notable contrasts in temperature and precipitation. In October, temperatures in Sofia range from a chilly -3°C (27°F) to a comfortable 28°C (84°F), with an average of 10°C (51°F), while December sees much colder temperatures, with a minimum of -14°C (7°F) and a maximum of 13°C (55°F), averaging just 1°C (34°F). Precipitation also increases significantly from 44 mm (1.7 in) over 6 days in October to 68 mm (2.7 in) across 12 days in December. Additionally, December's humidity rises slightly to 89% compared to October's 79%, creating a noticeably different atmosphere. For more details on December weather, visit Sofia weather in December.

Compare Sofia's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Sofia

As October settles in, Sofia experiences a notable shift in weather, transitioning from the warmth of summer to the crispness of autumn. Days can still be pleasantly warm, but temperatures take a dip, often reaching chilly lows that hint at the coming winter. With an average humidity of 79% and about six days of light rain contributing to a total of 44 mm, this month presents a refreshing contrast to the drier summer months. As the leaves change and the atmosphere cools, October is a time of vibrant colors and idyllic scenery, making it a beautiful month to explore the city. For a deeper dive into Sofia's seasonal trends, visit Sofia Climate.