April Weather in Sofia, Bulgaria

Last updated: August 21, 2025

April in Sofia, Bulgaria, boasts a delightful transition into spring with maximum temperatures reaching 25°C (78°F), ensuring pleasant days filled with warmth. The average temperature sits around 9°C (49°F), while chilly nights can plunge to a minimum of -6°C (21°F). Expect about 50 mm (2.0 in) of precipitation over 10 days, contributing to a humidity level of 71% that adds a touch of freshness to the air. This month's blend of moderate temperatures and sporadic rain showers sets the perfect backdrop for exploring Sofia's vibrant scenery as nature begins to bloom once again.

April Temperature in Sofia

As winter gradually gives way to spring, April in Sofia, Bulgaria, showcases a notable transformation in temperatures. With morning lows dipping to around -6°C (21°F), the month begins with a crisp chill, but it quickly warms up during the day, boasting an average of 9°C (49°F) and a bright peak reaching 25°C (78°F). This shift not only signals the end of the frosty spell but also a surge of life in the city as locals and visitors alike enjoy milder weather. April’s temperatures reflect a promising trend toward warmth, paving the way for the vibrant days of May and beyond, as the community embraces the blooming beauty of spring.

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

The chart illustrates April 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, April 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.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Sofia

In April, Sofia experiences a moderate amount of precipitation, with 50 mm (2.0 inches) falling over approximately 10 days. This is a slight decrease from March’s rainfall, which delivered a more substantial 74 mm (2.9 inches) across 11 days. As the city transitions into the warmer months, April's rainfall plays a crucial role in nourishing the blossoming flora, setting the stage for the vibrant growth of May, which typically sees an increase in both precipitation and frequency of rainy days. These patterns indicate that while April serves as a bridge between the wetter spring months and the drier summer ahead, it remains vital for maintaining the lush landscapes of Bulgaria's capital.

April Precipitation Trends in Sofia

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

In April, Sofia experiences a noticeable drop in humidity, with levels averaging 71%. This marks a significant decrease from the winter months, where humidity hovered around a high of 89% in January and gradually eased to 83% by March. As the city transitions into spring, the fresh air starts to replace the dampness, paving the way for drier conditions in the coming months. Following April, humidity dips further to 73% in May, continuing a trend toward a more comfortable atmosphere as summer approaches with June hitting its lowest point at 67%. This seasonal shift not only enhances the livability of the city but also contributes to a vibrant blooming landscape, inviting residents and visitors alike to enjoy Sofia’s charm.

April Average Humidity in Sofia

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

April UV Index in Sofia

In April, Sofia's UV Index holds steady at 7, placing it firmly in the high exposure category, with a burn time of just 25 minutes. This trend mirrors March's index, indicating that as spring unfolds, the sun's intensity remains significant and caution is warranted for outdoor activities. After the relatively moderate levels in February, there's a clear shift toward higher UV radiation as the days grow longer and warmer, leading into May's even more intense levels. As you enjoy the blossoming scenery of Sofia during this vibrant month, remember to protect your skin from harmful UV rays. For more detailed information, check out Sofia UV Index.

Maximum UV Index Levels in Sofia for April

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

April Sunshine in Sofia

As April unfolds in Sofia, Bulgaria, it heralds the arrival of spring and a significant leap in sunshine hours, with the city basking in 342 hours of radiant light. This marks a delightful progression from the 285 hours recorded in March, showcasing a steady upward trend that highlights the increasing daylight and warmth. April acts as a bridge to the sun-drenched summer months, where sunshine continues to peak, reaching an impressive 423 hours in July. The growth in daylight not only contrasts sharply with the colder, darker days of winter, but it also invites the vibrant flora to bloom across the city, making Sofia a charming destination for sun-seekers and nature lovers alike.

Monthly Sunshine Duration in Sofia: April Highlighted

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

Chance of Sun in Sofia During April

In April, Sofia experiences a 41% chance of sunny weather, marking a slight dip from the preceding months of March and February. As spring unfolds, this transitional period shows promise, although it falls short of the higher probabilities seen in the summer months. It’s a time when the city begins to shake off the grip of winter, paving the way for brighter days ahead. The overall trend suggests that while sunshine in April may not be guaranteed, it lies comfortably within the spectrum of possibilities, hinting at the optimistic arrival of warmer, sunnier months like July and August, which enjoy a substantial 73% and 74% chance of sun.

Percentage of Sunny Days in April in Sofia

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

Daylight Hours in Sofia in April

As spring emerges in April, Sofia experiences a delightful increase in daylight, basking in 13 hours of sunshine each day. This is a noticeable jump from 11 hours in March, heralding a season of warmth and vibrancy. The trend continues upward as daylight gradually extends, peaking in June with 15 hours. This progressive illumination reflects the transition from the cold, shorter days of winter—only 9 hours in January—to the bright, sunlit expanses of summer. In the months following April, daylight begins to wane, but for now, residents can fully embrace the longer, brighter days that April brings, inviting them outdoors to enjoy the blossoming scenery.

Average Daylight Hours in Sofia for April

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

April Winds in Sofia

In April, Sofia experiences a gentle breath of wind, with an average speed of 2.1 m/s (5 mph)—slightly lower than the winds of spring's early months. This decline marks a subtle shift from the breezier March, where winds also hovered at 2.3 m/s. As winter's chill fades, the city welcomes a mild breeze that dances through blooming parks and lively streets. Moving into late spring, the winds show a tendency to stabilize at around 2.3 m/s, hinting at a pattern of consistency that fosters the vibrant atmosphere of this picturesque Bulgarian capital. Overall, April’s winds contribute to a refreshing transition, enhancing the charm of Sofia as it awakens from the colder months, making it a perfect time for leisurely strolls amidst the blooming landscape.

Average April Wind Speed in Sofia

The chart displays monthly wind speed patterns in Sofia, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.12.32.1 m/s2.31.72.01.82.02.12.02.1
Data source: Sofia April wind data, generated using information from the Copernicus Climate Change Service.

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

April and January showcase stark contrasts in weather conditions. In April, temperatures range from a chilly -6°C (21°F) at night to a pleasant 25°C (78°F) during the day, averaging around 9°C (49°F). This month experiences about 50 mm (2.0 in) of precipitation over approximately 10 days, with a humidity level of 71%. In contrast, January is much colder, with temperatures dipping as low as -25°C (-14°F) and reaching a maximum of 12°C (54°F), resulting in an average of -2°C (29°F). Precipitation levels are slightly higher at 55 mm (2.2 in), occurring over 9 days, while humidity peaks at 89%. For more detailed information, you can check Sofia weather in January.

April and February present a stark contrast in weather patterns. In February, temperatures can plunge as low as -22°C (-8°F), with an average of 2°C (36°F) and a maximum reaching 18°C (64°F). This month also tends to be more humid, with 85% humidity and approximately 47 mm (1.8 in) of precipitation over 8 days. In comparison, April sees much milder temperatures, with a minimum of -6°C (21°F) and an average of 9°C (49°F), peaking at a pleasant 25°C (78°F). The humidity drops slightly to 71%, and while it remains relatively wet with 50 mm (2.0 in) of precipitation over 10 days, the overall feel is much more spring-like. For more detailed insights about February weather, you can check Sofia weather in February.

April tends to be milder than March, with average temperatures rising from 5°C (40°F) in March to 9°C (49°F) in April. While the maximum temperature in March reaches 22°C (71°F), April boasts a slightly higher maximum of 25°C (78°F). However, March has colder minimum temperatures, dipping down to -20°C (-3°F), compared to April’s minimum of -6°C (21°F). Precipitation in March is also higher at 74 mm (2.9 in) over 11 days, compared to April's 50 mm (2.0 in) and 10 days of rain. Additionally, humidity is notably higher in March at 83%, while it drops to 71% in April. For more details, you can check Sofia weather in March.

April's weather in Sofia is marked by a considerable temperature range, with minimums dipping to -6°C (21°F) and maximums reaching up to 25°C (78°F). The month sees an average temperature of 9°C (49°F) and experiences about 50 mm (2.0 in) of precipitation over approximately 10 days, along with a humidity level of 71%. In contrast, May brings warmer conditions, showcasing a minimum temperature of 1°C (34°F) and highs that can reach 29°C (84°F). The average temperature increases to 14°C (57°F), and precipitation rises to 65 mm (2.6 in), spread out over about 14 days, with a slightly higher humidity at 73%. For more details, you can check Sofia weather in May.

When comparing the weather in April and June, April tends to be cooler with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 25°C (78°F) and an average of 9°C (49°F). The month experiences moderate precipitation, totaling 50 mm (2.0 in) over approximately 10 days, and has a higher humidity level at 71%. In contrast, June brings warmer temperatures with a minimum of 4°C (39°F), an average of 18°C (64°F), and a maximum of 32°C (91°F). However, it also sees an increase in rainfall, totaling 87 mm (3.4 in) across about 16 days, with humidity slightly lower at 67%. For more details on June weather, you can check Sofia weather in June.

April and July present contrasting weather patterns, making each month unique in its own right. In April, temperatures range from a chilly minimum of -6°C (21°F) to a maximum of 25°C (78°F), with an average of 9°C (49°F). During this month, Sofia experiences about 50 mm (2.0 in) of precipitation over approximately 10 days, accompanied by a humidity of 71%. In contrast, July boasts much warmer temperatures, with a minimum of 8°C (47°F) rising to an impressive maximum of 35°C (95°F) and an average of 20°C (68°F). Although July sees slightly more precipitation at 67 mm (2.7 in) over 11 days, humidity remains relatively low at 68%. For more detailed information on weather in July, you can visit Sofia weather in July.

In April, the weather is cool with temperatures ranging from a brisk -6°C (21°F) to a comfortable 25°C (78°F), averaging around 9°C (49°F). The month experiences moderate precipitation, totaling 50 mm (2.0 in) over about 10 days, accompanied by relatively high humidity at 71%. In contrast, August brings warmer conditions, 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 precipitation decreases to 33 mm (1.3 in) over just 7 days, and humidity drops to a more comfortable 50%. For more detailed insights about the weather in August, you can check out Sofia weather in August.

April and September offer distinct weather experiences in Sofia. In April, temperatures range from a chilly -6°C (21°F) at night to a pleasant 25°C (78°F) during the day, with an average of 9°C (49°F). The month sees about 50 mm (2.0 in) of precipitation over ten days, contributing to a relatively high humidity level of 71%. In contrast, September enjoys milder temperatures, with nighttime lows around -2°C (28°F) and daytime highs reaching up to 32°C (90°F), averaging 16°C (61°F). This month has less rainfall, totaling 25 mm (1.0 in) over just four days, and lower humidity at 59%. For more details on the weather in September, you can visit Sofia weather in September.

April and October exhibit distinctly varied weather patterns. In April, temperatures range from a chilly minimum of -6°C (21°F) to a comfortable maximum of 25°C (78°F), with an average of 9°C (49°F). The month sees about 50 mm (2.0 in) of precipitation over approximately 10 days, and the humidity hovers at 71%. In contrast, October experiences slightly milder conditions, with minimum temperatures around -3°C (27°F) and maximums reaching 28°C (84°F), resulting in an average of 10°C (51°F). Precipitation in October falls to 44 mm (1.7 in) over just 6 days, but the humidity rises to 79%. This highlights how both months represent a transitional phase, yet with differing temperature ranges and precipitation patterns. For more details, check out Sofia weather in October.

April and November present contrasting weather patterns. In April, temperatures range from a chilly minimum of -6°C (21°F) to a pleasant maximum of 25°C (78°F), with an average of 9°C (49°F), accompanied by a humidity level of 71%. The month experiences about 50 mm (2.0 in) of precipitation over approximately 10 days. In contrast, November sees lower temperatures, with a minimum of -14°C (6°F) and an average of 6°C (42°F), reaching a maximum of 22°C (73°F). Although it receives slightly less precipitation at 37 mm (1.5 in) over just 6 days, the humidity is higher at 87%. For more detailed information, you can check Sofia weather in November.

April and December present strikingly different weather conditions. In April, temperatures range from a minimum of -6°C (21°F) to a maximum of 25°C (78°F), with an average of 9°C (49°F). This month sees about 50 mm (2.0 in) of precipitation over 10 days and a moderate humidity level of 71%. In contrast, December is much colder, with temperatures ranging from -14°C (7°F) to a high of only 13°C (55°F), averaging just 1°C (34°F). Precipitation increases slightly to 68 mm (2.7 in) over 12 days, accompanied by higher humidity levels of 89%. For more details, you can check Sofia weather in December.

Compare Sofia's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Sofia

As April unfolds in Sofia, the city transitions from the chill of winter to a more temperate climate, showcasing warmer days and a gradually increasing average temperature. With maximums reaching up to 25°C (78°F), the month invites more outdoor activities, although it's tempered by some cooler nights and the possibility of lingering frost, emphasizing the variability typical of spring. April stands out with its average humidity of 71% and a fair share of rainy days, marking a distinct contrast to the drier and harsher winter months. For a deeper dive into Sofia's prolific weather patterns, explore more at Sofia Climate.