Last updated: August 27, 2025
In May, Slovenia experiences a spectrum of weather characterized by a maximum temperature reaching 28°C (82°F) and an average temperature hovering around 14°C (57°F). While the warmth beckons outdoor enthusiasts, the minimum temperature can dip to 0°C (32°F), reminding us of the lingering chill. This month is also marked by 152 mm (6.0 in) of precipitation spread over 19 days, leading to a humidity level of 74% that contributes to a refreshing, lush landscape. As flowers bloom and nature thrives, May in Slovenia showcases a delightful blend of warmth and refreshing breezes.
As spring unfolds in Slovenia, May marks a delightful transition from the chill of winter to the warmth of summer. With temperatures ranging from a minimum of 0°C (32°F) to a pleasant maximum of 28°C (82°F), the month showcases a comfortable average of 14°C (57°F). This notable increase in warmth from the previous months, such as April's average of 10°C (50°F), signifies the arrival of vibrant flora and lively outdoor activities. May not only brings longer days but also welcomes a sense of rejuvenation, setting the stage for the hotter months ahead, particularly as June prepares to elevate the warmth further with an average of 19°C (67°F).
May marks a significant uptick in precipitation in Slovenia, with a dramatic 152 mm (6.0 in) of rain falling over 19 days. This sharp increase compared to previous months highlights May as the wettest month of the year, a stark contrast to the drier spell experienced from January through April. This surge in rainfall not only replenishes the landscape but also signals the arrival of spring's full bloom, bringing life to the verdant hills and valleys. As the weather shifts, the number of rainy days peaks, indicating a transition towards the summer months, which typically see a mix of both sun and occasional showers. The patterns of increasing rainfall in May foreshadow the lushness of Slovenia’s natural beauty, making it a captivating time for nature lovers and outdoor enthusiasts alike.
As spring transitions to summer in Slovenia, May brings a noticeable shift in humidity, dipping to 74%—a refreshing change that signals the arrival of warmer days. This decline continues the trend from previous months, where humidity has steadily decreased from 91% in January to April's 79%. Following this pattern, June and July maintain a similar level of humidity at 75% and 74%, respectively, suggesting a seasonal consistency. In contrast, the months leading into winter see a resurgence in humidity, rising sharply to 88% in October. Overall, May offers a brief respite from the year’s earlier humidity peaks, providing a perfect backdrop for enjoying Slovenia’s vibrant spring landscape.
As spring transitions into summer, May in Slovenia brings about a noticeable shift in the UV Index, reaching a significant 8, categorized as very high. This increase demands more vigilance, as the burn time for unprotected skin drops to just 15 minutes. Following a winter with lower UV levels, the sun's intensity surges, mirroring the ongoing trend towards higher exposure categories into the summer months. This pattern is particularly highlighted when comparing May’s UV levels to those of April's 6 and the even higher 9 seen in June and July. As we embrace the warmer days, it’s essential to stay informed and protect your skin. For detailed information, visit the UV Index.
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As May arrives in Slovenia, it brings with it an impressive 352 hours of sunshine, a significant jump from the previous months. Following the steady increase from January's 170 hours, sunlight continues to pour in, with April already showcasing a burgeoning 329 hours. This upward trend indicates that spring is in full bloom, setting the stage for a vibrant summer. The brightness of June further elevates the atmosphere with 393 hours, highlighting the continued allure of Slovenia's warm, sun-soaked days. It’s clear that May not only marks the height of spring but also hints at the radiant months ahead, making it an ideal time for outdoor adventures and experiencing the stunning landscapes of this charming country.
In Slovenia, May sees a moderate likelihood of sunny weather, with approximately 33% chance of sunshine. While this is a slight recovery from the rainy April, it still hints at a transition as the country moves into the warmer months. Observing trends from earlier months, the chances of sun increase significantly in June (51%) and peak during the summer, suggesting that May serves as a bridge to brighter days ahead. Although May may not be the sunniest month, it certainly offers a glimpse of the delightful sunshine that awaits in the coming summer.
As spring unfolds, Slovenia basks in the gradual increase of daylight, culminating in May with an average of 14 hours of sunlight. This charming progression begins in January with just 9 hours, slowly climbing to 10 hours in February and further to 11 by March. By April, the days lengthen significantly, heralding the arrival of warmer weather. The momentum continues into May, where the vibrant days are a joyful precursor to summer, as daylight peaks at 15 hours in June and July. The trend reflects a rhythm of nature, where the longer days of late spring and summer contrast beautifully with the shorter, cozier hours of autumn and winter, making Slovenia a delight for sun-seekers during this time.
In May in Slovenia, the average wind speed is a gentle 1.8 m/s (4 mph), maintaining a consistent pattern seen throughout the spring months. As winter transitions to warmer days, the wind speeds show subtle variability, with May falling slightly below the peaks of February and April, which both recorded 1.9 m/s (4 mph). This tranquil breeze contrasts with the more stable gusts of summer, where June and July mark a slight dip back to 1.6 m/s. Overall, the wind in May embodies the serenity of spring, setting a pleasant backdrop for outdoor activities and nature exploration.
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 conditions. In May, temperatures rise significantly, with averages around 14°C (57°F) and maximums reaching up to 28°C (82°F), while January experiences much colder weather, with average temperatures hovering around 0°C (32°F) and maximums only reaching 12°C (54°F). Precipitation also varies greatly, as May sees 152 mm (6.0 in) over 19 days, indicating a wet month, whereas January has a much drier climate with only 41 mm (1.6 in) across 6 days. Additionally, humidity levels are higher in January at 91%, compared to May's 74%. For further details, you can check the weather in January.
The weather in May offers a significant contrast to February, with temperatures ranging from a chilly minimum of 0°C (32°F) to a warm maximum of 28°C (82°F) and an average of 14°C (57°F). In contrast, February experiences much colder conditions, with temperatures spanning from a frigid -14°C (7°F) to a milder 19°C (66°F), averaging just 3°C (37°F). May also brings more rainfall, accumulating 152 mm (6.0 in) over 19 days, while February sees significantly less precipitation at 72 mm (2.8 in) over 8 days. Additionally, the humidity in February is higher at 87%, compared to May's 74%. For more details, visit weather in February.
May and March present a stark contrast in weather conditions. In March, temperatures range from a brisk -15°C (5°F) at their lowest to a mild 21°C (71°F) at their peak, with an average of only 5°C (42°F). The month experiences a total precipitation of 63 mm (2.5 in) over 10 days and has a relatively high humidity level at 82%. In comparison, May offers a much warmer ambiance, with temperatures ranging from a minimum of 0°C (32°F), averaging at 14°C (57°F), and reaching a maximum of 28°C (82°F). Although May sees more rainfall, totaling 152 mm (6.0 in) over 19 days, the overall experience is significantly warmer and more pleasant. For more detailed insights on March, check out weather in March.
In contrast to April, which experiences cooler temperatures with a minimum of -9°C (16°F) and an average of 10°C (50°F), May brings a more temperate climate, with temperatures ranging from a minimum of 0°C (32°F) to an average of 14°C (57°F). While April enjoys a maximum temperature of 25°C (78°F), May can reach up to 28°C (82°F), offering warmer days as spring progresses. However, May sees increased precipitation, totaling 152 mm (6.0 in) over 19 days, compared to April's 93 mm (3.7 in) across 12 days. Additionally, humidity remains slightly lower in May at 74%, while April has a higher average of 79%. For more details, check the weather in April.
May and June exhibit noticeable differences in weather conditions. May experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 14°C (57°F), while June warms up, featuring a minimum of 5°C (41°F) and an average of 19°C (67°F). June also has a higher maximum temperature, reaching up to 34°C (93°F), compared to May's maximum of 28°C (82°F). Although May receives more precipitation at 152 mm (6.0 in) over 19 days, June sees less rainfall at 90 mm (3.5 in) across 15 days. Humidity levels are quite similar, with May at 74% and June slightly higher at 75%. For more details, visit weather in June.
May and July present contrasting weather patterns, showcasing the transition from spring to summer. In May, temperatures range from a chilly 0°C (32°F) at night to a comfortable 28°C (82°F) during the day, with an average of 14°C (57°F). Despite being a mild month, May experiences higher precipitation, totaling 152 mm (6.0 in) over 19 days, contributing to a relatively humid environment with a consistent humidity level of 74%. In comparison, July sees warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 32°C (91°F), averaging 20°C (69°F). This summer month is drier, with only 121 mm (4.8 in) of precipitation falling over 15 days, while maintaining the same humidity level of 74%. For a more detailed look at the weather in July, feel free to explore.
In May, temperatures typically range from a chilly 0°C (32°F) at night to a pleasant 28°C (82°F) during the day, with an average of 14°C (57°F). The month is marked by significant rainfall, totaling 152 mm (6.0 in) spread over 19 days, coupled with a humidity level of 74%. In contrast, August boasts warmer temperatures, with a minimum of 8°C (46°F) and a maximum reaching a scorching 35°C (96°F). The average temperature climbs to 21°C (69°F), and precipitation decreases to 114 mm (4.5 in) over 14 days, alongside a slightly lower humidity of 68%. For more detailed insights, check the weather in August.
May and September both offer mild temperatures, but with some distinct differences. In May, temperatures range from a brisk 0°C (32°F) to a warm 28°C (82°F), with an average of 14°C (57°F). The month is relatively wet, receiving about 152 mm (6.0 in) of precipitation over 19 days. In contrast, September sees slightly warmer average temperatures, with minimums of 1°C (33°F) and maximums reaching 29°C (85°F), averaging around 15°C (60°F). Precipitation decreases to 139 mm (5.5 in) over just 13 days, while humidity remains consistent at 74%. To explore more details, you can check the weather in September.
May and October present distinct weather patterns reflecting the transition from spring to autumn. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 28°C (82°F) during the day, with an average of 14°C (57°F). The month is characterized by higher precipitation, totaling 152 mm (6.0 in) over approximately 19 days, and a humidity level of 74%. In contrast, October experiences cooler temperatures with a minimum of -1°C (31°F) and a maximum of 23°C (74°F), averaging 11°C (51°F). Precipitation in October is significantly lower at 80 mm (3.2 in) over just 9 days, but the humidity increases to 88%. For more details, you can check the weather in October.
May and November present distinctly different weather patterns. In May, temperatures range from a chilly 0°C (32°F) at night to a warm average of 14°C (57°F) by day, occasionally peaking at a pleasant 28°C (82°F). This month sees a considerable amount of rainfall, with 152 mm (6.0 in) of precipitation over 19 days, and humidity levels hovering around 74%. In contrast, November experiences colder temperatures, with nighttime lows dropping to -8°C (17°F) and an average high of only 6°C (43°F), maxing out at 19°C (66°F). Although it's drier than May, November still receives 118 mm (4.6 in) of rain over 10 days, accompanied by higher humidity at 90%. For a closer look at this winter month, check out the weather in November.
May and December present strikingly different weather patterns. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 28°C (82°F) during the day, with an average of 14°C (57°F). This month also sees significant rainfall, accumulating to 152 mm (6.0 in) over approximately 19 rainy days, while humidity sits at a moderate 74%. In contrast, December experiences much colder temperatures, ranging from a low of -17°C (1°F) to a maximum of 14°C (57°F), with an average of only 1°C (34°F). Precipitation is lower, totaling 100 mm (3.9 in) across about 10 days, but humidity is higher at 89%. For more detailed information on December weather, refer to weather in December.
As May unfolds, the weather begins to shift dramatically from the chill of previous months, bringing a refreshing burst of warmth with maximum temperatures reaching 28°C (82°F). This transition, however, is accompanied by an increase in precipitation, with approximately 19 rainy days contributing to a total of 152 mm (6.0 in). Interestingly, while daytime temperatures rise, the average temperature remains a cool 14°C (57°F), with the nights still holding onto a hint of winter's chill at 0°C (32°F). The humidity lingers at a high 74%, giving the air a refreshing yet damp sensation. Overall, May acts as a bridge between the briskness of spring and the warmth of summer, paving the way for lush landscapes and rejuvenating breezes. For more insights into this year's changing patterns, explore our detailed Climate resources.