Last updated: August 21, 2025
In May, Sofia, Bulgaria experiences a delightful transition into warmer weather, with maximum temperatures reaching 29°C (84°F) and an average of 14°C (57°F). While daytime warmth is prominent, nights can still be cool, dipping to a minimum of 1°C (34°F). The city receives an average of 65 mm (2.6 in) of precipitation over approximately 14 days, contributing to a 73% humidity level that adds a refreshing feel to the spring air. This blend of warm days and occasional rain presents an ideal setting for outdoor activities and enjoying the blooming landscapes of Sofia.
In May, Sofia, Bulgaria, experiences a delightful shift as temperatures rise, reflecting the full bloom of spring. With a minimum of 1°C (34°F) and an average of 14°C (57°F), days become pleasantly warm, peaking at a maximum of 29°C (84°F). This transition marks a significant departure from the chill of winter, showcasing a commendable increase from the April averages, which hovered around 9°C (49°F). As the month progresses, residents and visitors alike can bask in comfortable outdoor temperatures, paving the way for vibrant festivals and leisurely strolls through the city’s lush parks. May's warmth not only heralds the arrival of summer but also invites an invigorating sense of exploration and enjoyment in Sofia.
May in Sofia, Bulgaria experiences a notable increase in precipitation, with an average of 65 mm (2.6 in) falling over 14 days. This uptick follows the milder spring months of April, which saw only 50 mm, signaling the transition into a wetter season. The frequency of rain this month sets the stage for lush greenery and blooming flowers, making Sofia particularly vibrant. As spring edges into early summer, the pattern of increased rainfall continues, with June bringing even more precipitation. This trend emphasizes May's role as a bridge between the drier early months of the year and the more consistently rainy summer ahead, showcasing Sofia's dynamic climatic shifts.
In May, Sofia experiences a mild shift in humidity levels, averaging around 73%. This slight increase from April's 71% marks the transition into the warmer months, indicating that spring is in full swing. Compared to the wetter winter months, where humidity peaks at an average of 89% in January and 87% in November, May offers a breath of fresh air as the city begins to warm up. The humidity continues to decrease into the summer, with June dropping to 67%. Thus, while May still retains some of spring's moisture, it's the beginning of a trend towards drier summer conditions, encouraging outdoor activities amid blooming landscapes.
As spring transitions into summer, May in Sofia, Bulgaria, sees a significant rise in the UV Index, reaching an impressive 9—classified as very high. This marks a notable leap from the earlier months, where the index hovered around moderate to high levels; in April, for instance, it was still at 7. With a burn time decreasing to just 15 minutes, it emphasizes the urgency for sun protection as outdoor activities increase. As the days lengthen and temperatures warm, residents and visitors alike should remain vigilant in safeguarding their skin. For ongoing updates and detailed insights, check out Sofia UV Index.
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As spring transitions into summer, May in Sofia, Bulgaria, shines brightly with an impressive 393 hours of sunshine, marking a significant increase from the preceding months. This surge in daylight is a delightful precursor to the long, sun-drenched days of June and July, which both boast the same amount of sunlight. The city's residents revel in the vibrant outdoor life, taking advantage of the flourishing parks and blossoming gardens. Following the trend of increasing sunlight leading up to the height of summer, May embodies a perfect balance of warmth and light, inviting locals and visitors alike to soak in the fresh air and enjoy the beauty of Sofia. As the year progresses, sunlight hours begin to taper off, but May stands out as a brilliant celebration of brightness within the calendar year.
As May arrives in Sofia, Bulgaria, the likelihood of sunny weather presents a promising outlook with a 45% chance of sunshine. This marks a slight increase from April's 41%, indicating a gradual transition into the warmer months. While still below the peak summer months of July and August, which boast an impressive 73% and 74% chance of sun respectively, May offers a refreshing step away from the colder, cloudier days of winter. In comparison to the preceding months, May's sunshine probability hints at the blooming vibrancy of spring, setting the stage for the sunny days ahead. With this moderate chance of clear skies, May is an ideal time for outdoor activities and enjoying Sofia's beautiful parks and historical sites.
As spring gives way to summer in Sofia, Bulgaria, the length of daylight steadily increases, peaking in June with a generous 15 hours of sunlight. Starting from 9 hours in January, the days gradually grow longer, reaching 14 hours by May, inviting residents to embrace outdoor activities and the blooming beauty of the season. This gradual ascent in daylight fosters a sense of vitality, as the city transitions from the colder, darker months. However, as summer wanes into autumn, this trend reverses, with daylight decreasing back to 9 hours in November and December, reminding us of the cyclical nature of the seasons. Such variation not only shapes the daily rhythms of life in Sofia but also highlights the enchanting dance of light throughout the year.
May in Sofia, Bulgaria, ushers in a refreshing breeze with an average wind speed of 2.3 m/s (5 mph), mirroring the gentle currents of earlier months like January and March. This consistency in wind speed creates a delightful atmosphere for outdoor activities, just before the summer months mellow the breeze to 1.7 m/s (4 mph) in June. Interestingly, the wind remains relatively steady from late spring through early autumn, often oscillating between 1.8 and 2.3 m/s. As the city transitions into the warmer months, the winds offer a pleasant respite, contributing to the city's vibrant springtime charm and inviting residents and visitors alike to embrace the beauty of Sofia's May days.
Weather in Sofia varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sofia, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, temperatures in Sofia range from a chilly minimum of 1°C (34°F) to a warm maximum of 29°C (84°F), with an average of 14°C (57°F). The month experiences 65 mm (2.6 in) of precipitation over approximately 14 days, leading to a moderate humidity level of 73%. In contrast, January is marked by significantly colder weather, with temperatures dipping as low as -25°C (-14°F) and averaging around -2°C (29°F), reaching a maximum of 12°C (54°F). Although January sees slightly less precipitation at 55 mm (2.2 in) over about 9 days, the humidity is higher at 89%. For more specific details, you can visit Sofia weather in January.
May and February present a stark contrast in weather conditions. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 29°C (84°F) during the day, averaging around 14°C (57°F). The month sees about 65 mm (2.6 in) of precipitation over 14 days, with a humidity of 73%. In contrast, February experiences much colder temperatures, with minimums plunging to -22°C (-8°F) and maxes reaching only 18°C (64°F), averaging just 2°C (36°F). The precipitation during February is lower at 47 mm (1.8 in) spread across 8 days, but humidity is slightly higher at 85%. For more details on February weather, you can visit Sofia weather in February.
May and March offer distinctly different weather patterns. In May, temperatures range from a minimum of 1°C (34°F) to a pleasant average of 14°C (57°F), peaking at a maximum of 29°C (84°F). The month sees an average of 65 mm (2.6 in) of precipitation over about 14 days, with a humidity level of 73%. In contrast, March experiences much colder temperatures, with a minimum of -20°C (-3°F) and an average of just 5°C (40°F), while peaking at 22°C (71°F). Notably, March also has slightly higher precipitation at 74 mm (2.9 in), spread over 11 days, and a higher humidity of 83%. For more details, visit Sofia weather in March.
In comparing the weather of May and April, it becomes clear that May generally offers milder and more varied temperatures. While April experiences a minimum temperature of -6°C (21°F) and averages around 9°C (49°F), May sees a significant increase with minimums of 1°C (34°F) and an average of 14°C (57°F). The maximum temperatures in both months are similar, with April reaching up to 25°C (78°F) and May peaking at 29°C (84°F). Additionally, May has higher precipitation levels at 65 mm (2.6 in) across 14 days, compared to April's 50 mm (2.0 in) over 10 days. Humidity levels are relatively close, with May at 73% and April at 71%. For more details on April's weather, you can visit Sofia weather in April.
May and June showcase a noticeable shift in weather patterns. In May, temperatures range from a crisp minimum of 1°C (34°F) to a pleasant maximum of 29°C (84°F), with an average of 14°C (57°F). The month experiences a significant amount of precipitation, totaling 65 mm (2.6 in) across 14 days, and humidity averages around 73%. By contrast, June sees warmer temperatures with a minimum of 4°C (39°F) and a maximum of 32°C (91°F), leading to an average of 18°C (64°F). Rainfall also increases to 87 mm (3.4 in) over 16 days, while humidity slightly decreases to 67%. For more details on June weather, check out Sofia weather in June.
May and July present distinct weather patterns in terms of temperature and humidity. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 29°C (84°F) during the day, with an average of 14°C (57°F). The month experiences approximately 65 mm (2.6 in) of precipitation over 14 days, accompanied by a relatively high humidity of 73%. In contrast, July brings milder nighttime lows of 8°C (47°F) and sizzling daytime highs reaching up to 35°C (95°F), with an average temperature of 20°C (68°F). The rainfall is slightly higher in July at 67 mm (2.7 in) but occurs over fewer days, just 11, and the humidity is lower at 68%. For more details, you can check Sofia weather in July.
May and August exhibit distinct differences in weather patterns. In May, temperatures range from a chilly 1°C (34°F) at night to a daytime high of 29°C (84°F), with an average temperature of 14°C (57°F). This month also sees a higher level of precipitation, totaling 65 mm (2.6 in) over about 14 days and relatively high humidity at 73%. In contrast, August experiences warmer temperatures, with nighttime lows of 7°C (44°F) and highs reaching up to 35°C (96°F), averaging around 20°C (69°F). Precipitation decreases significantly to 33 mm (1.3 in) over just 7 days, accompanied by lower humidity levels at 50%. For a more detailed look at conditions during this month, visit Sofia weather in August.
May and September present distinctly different weather patterns. In May, temperatures range from a chilly minimum of 1°C (34°F) to a warm maximum of 29°C (84°F), with an average of 14°C (57°F). The month sees a total precipitation of 65 mm (2.6 in) over 14 days, resulting in a relatively humid environment with humidity reaching 73%. In contrast, September offers cooler evenings, with a minimum temperature of -2°C (28°F) and a maximum of 32°C (90°F), averaging 16°C (61°F). The month is much drier, with only 25 mm (1.0 in) of rainfall over 4 days and lower humidity levels at 59%. For more detailed information, you can check out Sofia weather in September.
May and October present contrasting weather patterns that reflect the transition from spring to autumn. In May, temperatures range from a cool 1°C (34°F) to a warm 29°C (84°F), with an average of 14°C (57°F), and the month sees around 65 mm (2.6 in) of precipitation over 14 days. The humidity is a comfortable 73%, making for pleasant spring days. In contrast, October experiences cooler temperatures, with a minimum of -3°C (27°F) and an average of 10°C (51°F), while still reaching a maximum of 28°C (84°F). It is notably drier, with only 44 mm (1.7 in) of rain over 6 days and a slightly higher humidity of 79%. For more details on Sofia's weather in October, you can check Sofia weather in October.
May and November present contrasting weather patterns, showcasing the transition from spring to late autumn. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 29°C (84°F) during the day, with an average of 14°C (57°F). The month experiences about 65 mm (2.6 in) of precipitation over roughly 14 days, accompanied by a humidity level of 73%. In contrast, November features colder temperatures, with a minimum of -14°C (6°F) and a maximum of 22°C (73°F), averaging just 6°C (42°F). Precipitation decreases to 37 mm (1.5 in) over only 6 days, but humidity rises to 87%. For those interested in a deeper look at November weather, you can check Sofia weather in November.
May and December in Sofia present a striking contrast in weather conditions. In May, temperatures range from a pleasant minimum of 1°C (34°F) to a warm maximum of 29°C (84°F), with an average of 14°C (57°F). The month experiences around 65 mm of precipitation over approximately 14 days, accompanied by a moderate humidity level of 73%. In contrast, December is characterized by much colder temperatures, with a minimum of -14°C (7°F), an average of 1°C (34°F), and a maximum of only 13°C (55°F). This month also sees a slight increase in precipitation, totaling 68 mm over about 12 days, and a higher humidity level of 89%. For more details, you can check Sofia weather in December.
As May rolls into Sofia, the city begins to shake off the chill of winter, featuring a delightful balance between warmth and coolness. With temperatures peaking at a pleasant 29°C, May stands out as a transitional month, foreshadowing the summer heat while still offering refreshing cooler evenings. Unlike the wetter winter months, precipitation is moderate but present, allowing for delightful sunny days punctuated by occasional rain. As the humidity hovers around 73%, the air retains a lively freshness, making it an ideal time for outdoor activities and exploring the vibrant city. For a comprehensive view of what to expect, visit Sofia Climate.