May weather forecast
Slovenia

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Weather in May

May in Slovenia heralds the start of the warm season, with temperatures consistently rising across the country. Nationally, the average temperature varies from 10°C (50°F) to 21°C (69.8°F). The capital, Ljubljana, typically experiences temperatures between 11°C (51.8°F) and 23°C (73.4°F). The coastal city of Koper, influenced by the Adriatic Sea, sees slightly higher temperatures, ranging from 14°C (57.2°F) to 22°C (71.6°F). In contrast, mountainous areas such as Kranjska Gora maintain cooler temperatures, generally below 15°C (59°F), but the last remnants of winter snow usually disappear.

Rainfall in May continues to be significant, with the country often receiving around 80mm (3.15") of precipitation. This rain contributes to the blossoming of Slovenia's diverse flora, enhancing the natural beauty of the country's parks, forests, and gardens. Despite this, many days remain sunny and dry, especially as the month progresses.

Daylight hours continue to increase in May, with sunrise occurring around 5:30 am and sunset extending to nearly 8:30 pm. These long days are conducive to outdoor activities, allowing visitors to make the most of Slovenia's scenic landscapes. Compared to April, May presents even warmer and more predictable weather, providing an inviting climate for sightseeing and exploration. The shift from spring to summer is well underway in May, setting the stage for the upcoming peak tourist season.

  • Ljubljana - May »
    On the last day of the month, in Ljubljana sunrise is at 05:14 and sunset at 20:44 CEST. In Ljubljana, Slovenia, in May, during 14 rainfall days, 109mm (4.29") of precipitation is typically accumulated.
  • Maribor - May »
    The month with the most rainfall in Maribor is May, when the rain falls for 24 days and typically aggregates up to 139mm (5.47") of precipitation. On the last day of the month, in Maribor sunrise is at 05:08 and sunset at 20:42 CEST.
  • Celje - May »
    The month with the most rainfall in Celje is May, when the rain falls for 22.9 days and typically aggregates up to 120mm (4.72") of precipitation. On the first day of May in Celje sunrise is at 05:44 and sunset at 20:07.
  • Koper - May »
    On the first day of May in Koper, sunrise is at 05:52 and sunset at 20:12. In Koper, in May, the average water temperature is 18°C (64.4°F).
  • Ptuj - May »
    On the last day of May, in Ptuj sunrise is at 05:07 and sunset at 20:40 CEST. On the first day of May in Ptuj sunrise is at 05:41 and sunset at 20:05.
  • Trbovlje - May »
    On the last day of the month, in Trbovlje, sunrise is at 05:12 and sunset at 20:43 CEST. In Trbovlje, during May, the rain falls for 22.9 days and regularly aggregates up to 120mm (4.72") of precipitation.
  • Kamnik - May »
    In Kamnik during May, the rain falls for 19.7 days and regularly aggregates up to 109mm (4.29") of precipitation. On the first day of May in Kamnik, Slovenia, sunrise is at 05:46 and sunset at 20:10.
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