Last updated: August 27, 2025
May in Slovenia presents a dynamic tapestry of weather, with temperatures soaring to a maximum of 32°C (89°F) while settling to an average of 16°C (61°F). The month starts off cool, with minimum temperatures dipping to 1°C (35°F), creating a striking contrast. Rain is a common occurrence, with precipitation totaling 123 mm (4.8 in) over 17 days, contributing to a humid atmosphere characterized by a 71% humidity level. This blend of warmth, coolness, and moisture fosters the stunning natural beauty Slovenia is renowned for, making May a captivating time to explore.
In May, Slovenia experiences a delightful transition into warmer weather, with temperatures that reflect the charm of spring. The minimum temperature rises to a comfortable 1°C (35°F), while daytime warmth brings an average of 16°C (61°F), soaring up to a pleasant 32°C (89°F) at its peak. This notable increase from the preceding months signals the end of winter's chill, making way for blossoming nature and outdoor adventures. As the month progresses, residents and visitors alike revel in the vibrant atmosphere, soaking up the sun and embracing the lively spirit of the season. May is truly a herald of summer, captivating all with its warming embrace.
May in Slovenia marks a significant shift in precipitation, with a substantial increase to 123 mm (4.8 in) of rainfall, a noticeable leap from the earlier months. This uptick coincides with 17 rainy days, the highest of the year, highlighting May as a particularly wet period. The previous months, while variable, maintained lower totals, ranging from January's modest 29 mm to April's 54 mm. This trend suggests a transition into the lushness of spring, where abundant rainfall not only enhances the landscape but also sets the stage for a vibrant summer ahead. Slovenia's May showers undeniably contribute to the region's enchanting natural beauty, paving the way for blooming flora and flourishing ecosystems.
In May, Slovenia experiences a delightful shift in humidity, with levels dropping to 71%, making it one of the more comfortable months of the year. This slight decrease from April's 73% signifies the gradual transition into the warmer season, as the region bids farewell to the high humidity of winter. Following this trend, July and August see even lower humidity levels at 70% and 60% respectively, hinting at a pleasant summer ahead. However, as autumn approaches, humidity begins to rise again, reflecting the seasonal cycle that characterizes Slovenia's climate. Thus, May stands out as a sweet spot of moderate humidity, perfect for enjoying the lush landscapes.
As spring transitions into summer, Slovenia experiences a significant rise in UV exposure, particularly in May, when the UV Index soars to 8, categorized as very high. With a burn time of just 15 minutes, sun safety becomes paramount. This increase follows a steady climb from a low of 2 in January, gradually escalating through the months. While January through April showcases a moderate to high UV Index, May's sharp rise indicates that outdoor activities warrant extra caution. As we head into the summer months, understanding these trends is crucial for those looking to enjoy the Slovenian sun while minimizing the risk of sunburn. For detailed information, check out the UV Index in your area.
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May brings a delightful surge of sunshine to Slovenia, with an impressive 367 hours of bright days, marking a pivotal point in the seasonal transition. This month not only outshines January's 162 hours but also continues the upward trend established since the winter months. Following a steady increase from 162 hours in January to 331 hours in April, May sets the stage for an enthusiastic embrace of summer, paving the way for even more radiant 404 hours in June. As the daylight hours reach their peak in the following months, May serves as a vibrant reminder of the imminent warmth and energy of the summer season, making it an ideal time for outdoor adventures and basking in nature's beauty.
In Slovenia, the likelihood of sunny weather in May hovers around 38%, a slight dip from the sunnier months that precede it. Following a promising March at 55%, the chance of basking in sunshine decreases as April cools to 40% and May settles in with its moderate, unpredictable charm. As the seasons shift, June brings a reassuring rise to 56%, suggesting that while May may offer fewer sunny days, it still dances on the cusp of warmer, brighter times ahead. This trend highlights the transitional nature of May, making it a month of fluctuating weather that bridges the vibrant spring and the blossoming summer in Slovenia.
As spring gracefully transitions into summer, May in Slovenia is a delightful highlight, boasting 15 hours of daylight. This increase in daylight mirrors the gradual lengthening trend that begins in March with 11 hours and steadily rises through April's13 hours. After reaching its peak in May and maintaining this brightness through June and July, the daylight begins to wane, gently ushering in the shorter days of late summer and fall. As autumn approaches, the daylight diminishes to 12 hours in September, before tapering off to 10 hours in October. Thus, May stands as a pivotal month of brightness and warmth, marking the onset of longer, sun-kissed days in Slovenia.
In May, Slovenia experiences a gentle breeze with an average wind speed of 2.8 m/s (6 mph), slightly lower than the prior month's average of 2.9 m/s (7 mph). This pattern continues the trend of relatively consistent winds throughout the spring months, ranging from 2.6 m/s in March to a peak in April. As the season transitions into summer, the wind begins to taper off, with June marking a decrease to 2.2 m/s (5 mph). Notably, the spring months showcase a mild yet steady air movement, creating an inviting atmosphere ideal for outdoor enthusiasts and travelers alike. As summer approaches, however, one can anticipate even quieter days ahead, with July and August bringing the lowest averages of the year.
Weather in varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in , focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January exhibit stark contrasts in weather patterns. In May, temperatures range significantly, with lows around 1°C (35°F) and highs reaching up to 32°C (89°F), averaging a comfortable 16°C (61°F). The month brings considerable precipitation, totaling 123 mm (4.8 in) across 17 days, and maintains a humidity level of 71%. In contrast, January is much colder, with temperatures plummeting to a minimum of -15°C (6°F) and averaging just 1°C (34°F), peaking at 14°C (58°F). The month has significantly lower precipitation, at only 29 mm (1.2 in) over 6 days, accompanied by higher humidity at 90%. For more details on the weather in January, feel free to explore.
May and February showcase contrasting weather patterns. In May, temperatures rise significantly, ranging from a chilly 1°C (35°F) at night to a warm 32°C (89°F) during the day, with an average of 16°C (61°F). The month experiences a higher amount of precipitation totaling 123 mm (4.8 in) over 17 days, accompanied by a humidity level of 71%. In contrast, February is much colder, with temperatures dipping as low as -12°C (11°F) and averaging at 4°C (40°F). Precipitation is more modest at 51 mm (2.0 in) across 7 days, and the humidity is slightly higher at 84%. For more details on February weather, you can check weather in February.
In comparing the weather of May and March, we see distinct contrasts. May boasts a milder temperature range with minimums around 1°C (35°F) and an average of 16°C (61°F), peaking at 32°C (89°F). In addition to higher temperatures, May experiences substantial rainfall, totaling 123 mm (4.8 in) over 17 days, and a humidity level of 71%. Conversely, March is much colder, starting with minimums as low as -18°C (-1°F) and an average temperature of 7°C (45°F), reaching a maximum of 23°C (73°F). Precipitation in March is significantly less at 43 mm (1.7 in), occurring over just 8 days, although humidity is slightly higher at 78%. For more detailed information, you can check the weather in March.
In comparing the weather between April and May, we see a notable transition as spring progresses into early summer. April's temperatures range from a minimum of -5°C (23°F) to a maximum of 28°C (83°F), with an average of 12°C (53°F). In contrast, May experiences a much warmer climate with a minimum of 1°C (35°F), an average of 16°C (61°F), and a peak of 32°C (89°F). Additionally, May receives significantly more rainfall, totaling 123 mm (4.8 in) over 17 days, compared to April's 54 mm (2.1 in) over just 10 days. Although May is slightly less humid at 71%, it still retains the recognizable dampness characteristic of spring. For more details, you can check the weather in April.
May and June showcase a notable transition in weather patterns. In May, temperatures range from a chilly minimum of 1°C (35°F) to a warm maximum of 32°C (89°F), with an average temperature of 16°C (61°F). The month experiences considerable rainfall, with 123 mm (4.8 in) falling over 17 days, and humidity levels hover around 71%.
In contrast, June brings warmer conditions, with temperatures starting at a minimum of 8°C (46°F) and peaking at 36°C (96°F), averaging 21°C (71°F). The precipitation decreases to 83 mm (3.3 in) over 12 days, and humidity slightly rises to 73%. Such differences highlight the shift from the cooler, wetter days of May to the warmer, drier climate of June. For more detailed insights, check the weather in June.
May and July present distinct weather contrasts. In May, temperatures range from a chilly minimum of 1°C (35°F) to a warm maximum of 32°C (89°F), with an average of 16°C (61°F). This month experiences considerable rainfall, totaling 123 mm (4.8 in) over 17 days, along with a humidity level of 71%. In comparison, July boasts warmer temperatures with a minimum of 11°C (51°F), an average of 22°C (72°F), and a peak of 36°C (97°F). Rainfall in July is lower, amounting to 87 mm (3.4 in) over just 11 days, and humidity is slightly reduced at 70%. For more detailed information on conditions during this summer month, check weather in July.
In comparing the weather of May and August, it's clear that August tends to be warmer and drier than May. May experiences a wider temperature range with minimums dropping to 1°C (35°F) and maximums reaching 32°C (89°F), averaging around 16°C (61°F), while August has milder minimums of 9°C (49°F) and maximum temperatures that can soar to 38°C (100°F), averaging at 22°C (73°F). Precipitation is also more frequent in May, with 123 mm (4.8 in) over 17 days, compared to August's 80 mm (3.1 in) over just 9 days. Additionally, the humidity levels are higher in May at 71%, whereas August enjoys relatively lower humidity at 60%. For a detailed look at the weather specifics, you can check out weather in August.
May and September present a comfortable transition in weather conditions. In May, temperatures vary from a chilly minimum of 1°C (35°F) to a warm maximum of 32°C (89°F), with an average of 16°C (61°F). The month is characterized by higher humidity at 71% and frequent rainfall, totaling 123 mm (4.8 in) over 17 days. In contrast, September tends to be slightly warmer on average at 17°C (63°F), with temperatures ranging from a low of 3°C (38°F) to a high of 33°C (92°F). Notably, September experiences less precipitation, with 111 mm (4.4 in) spread over just 10 days, and lower humidity at 65%. For more detailed insights, check the weather in September.
May and October present distinct weather patterns, reflecting the transition between spring and autumn. In May, temperatures range from a minimum of 1°C (35°F) to a maximum of 32°C (89°F), with an average of 16°C (61°F). The month is relatively humid at 71%, accompanied by substantial precipitation of 123 mm (4.8 in) over 17 days.
In contrast, October experiences cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 26°C (79°F), averaging at 12°C (54°F). The humidity rises to 84%, but precipitation is lighter at 64 mm (2.5 in) spread over just 8 days. For more detailed information, you can check weather in October.
May and November showcase a stark contrast in weather patterns. In May, temperatures range from a chilly 1°C (35°F) at night to a warm 32°C (89°F) during the day, with an average of 16°C (61°F). The month sees substantial rainfall at 123 mm (4.8 in) over 17 days, contributing to a relatively comfortable humidity level of 71%. In comparison, November brings much cooler temperatures, with nighttime lows dipping to -5°C (22°F) and daytime highs reaching only 20°C (69°F), averaging at 7°C (45°F). Rainfall is less frequent, totaling 78 mm (3.1 in) over just 9 days, although humidity is noticeably higher at 89%. For more specific details, you can check the weather in November.
May and December present stark contrasts in weather conditions. In May, temperatures range from a mild minimum of 1°C (35°F) to a warm maximum of 32°C (89°F), with an average of 16°C (61°F). The month experiences significant precipitation, tallying up to 123 mm (4.8 in) over 17 days, along with a humidity level of 71%.
In contrast, December sees much cooler temperatures, with a minimum of -6°C (22°F) and an average of just 3°C (37°F), peaking at 18°C (64°F). Precipitation in December is notably lower at 67 mm (2.7 in) spread across only 8 days, though the air feels more humid at 89%. For a detailed look at weather patterns in December, visit weather in December.
As May unfolds, it brings a refreshing shift in weather, with temperatures rising significantly compared to the chill of earlier months. The delightful warmth of daytime highs contrasts beautifully with the crisp mornings, which may still linger in cooler territory. However, May also plays host to frequent showers, making it one of the wetter months of the year, with nearly half the days seeing precipitation. The increased humidity wraps the landscape in a lush vibrancy, encouraging the bloom of spring flora. For those intrigued by how these seasonal changes reflect broader trends, explore more about the Climate of the region.