Slovenia (Ljubljana)
May
Weather in Slovenia for May 2026
Your guide to Slovenia weather in May - trends and predictions
Until now, May 2026 in Slovenia has been nearly identical to the historical average, with a temperature of 17.8 °C (showing only a slight deviation of 0 °C).
The forecast for the next days in Slovenia predicts temperatures to be around 27 °C, close to the historical average.
In general, the average temperature in Slovenia at the beginning of May is 18.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 27.7 °C by the end of May.
The climate of Slovenia in May is notably wet, with an average of 15 rainy days, and a total of 301.7 mm of precipitation.
Temperatures
Rain 🌧️
16
Dry days
15
Rainy days
0
Snow days
21°/7°
Temperatures
11 km/h
Avg max wind
81 %
Avg humidity
Slovenia Weather May
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What’s the Weather Like in Slovenia This May?
Discover the average temperatures and weather trends across Slovenia’s cities this May.
Temperatures trend during May in Slovenia
See the weather trend as well as the moving average line
May weather in Slovenia day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Sunny | 20° /6° | 1.7 mm | 6 | |
| 2 May | Sunny | 21° /6° | 1.4 mm | 6 | |
| 3 May |  Light rain | 19° /7° | 3 mm | 5 | |
| 4 May |  Patchy rain possible | 20° /8° | 0.6 mm | 5 | |
| 5 May | Patchy rain possible | 17° /7° | 5.6 mm | 4 | |
| 6 May | Patchy rain possible | 15° /9° | 2.2 mm | 3 | |
| 7 May | Light rain shower | 15° /8° | 2.4 mm | 4 | |
| 8 May | Light rain shower | 16° /6° | 3.3 mm | 4 | |
| 9 May | Patchy rain possible | 18° /5° | 0.8 mm | 5 | |
| 10 May | Sunny | 20° /6° | 0 mm | 6 | |
| 11 May |  Partly cloudy | 20° /7° | 1.4 mm | 4 | |
| 12 May |  Patchy light rain with thunder | 16° /5° | 11.6 mm | 3 | |
| 13 May | Light rain shower | 15° /4° | 1.4 mm | 3 | |
| 14 May | Light rain shower | 16° /5° | 7.2 mm | 4 | |
| 15 May | Light rain | 16° /5° | 19.5 mm | 3 | |
| 16 May | Light rain shower | 14° /6° | 8.5 mm | 3 | |
| 17 May |  Fog | 19° /4° | 1.1 mm | 6 | |
| 18 May | Patchy rain possible | 20° /5° | 1.7 mm | 6 | |
| 19 May | Light drizzle | 22° /7° | 1.6 mm | 5 | |
| 20 May | Patchy light drizzle | 22° /8° | 1.8 mm | 6 | |
| 21 May | Patchy rain possible | 24° /8° | 0.3 mm | 7.8 | |
| 22 May | Sunny | 25° /9° | 0 mm | 5 | |
| 23 May | Sunny | 25° /9° | 0 mm | 5 | |
| 24 May | Sunny | 26° /9° | 0 mm | 5 | |
| 25 May | Sunny | 28° /11° | 0 mm | 5 | |
| 26 May | Partly cloudy | 27° /12° | 0 mm | 5 | |
| 27 May | Sunny | 28° /11° | 0 mm | 5 | |
| 28 May | Patchy rain possible | 28° /13° | 0.1 mm | 5 | |
| 29 May | Patchy rain possible | 26° /15° | 1.5 mm | 4 | |
| 30 May | Patchy rain possible | 29° /14° | 0.3 mm | 5 | |
| 31 May | Patchy rain possible | 28° /13° | 0.1 mm | 5 | |
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Important Notice
Our weather forecast for Slovenia in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Slovenia forecast closer to your planned date for the most up-to-date weather information.
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Slovenia in May - FAQ
What are the expected maximum and minimum temperatures in Slovenia during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Slovenia during May?
Significant rainfall exceeding 301.7 mm is expected in Slovenia during May, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Slovenia during May?
The average wind speed in Slovenia during May is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Slovenia
Explore the daily rainfall trends and prepare for Slovenias May weather 💧
Typically, Slovenia has 15 rainy days in May with a total of 301.7 mm of rainfall.
UV exposure in Slovenia during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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