Slovenia
May
Weather in Slovenia for May 2025
Your guide to Slovenia weather in May - trends and predictions
In general, the average temperature in Slovenia at the beginning of May is 17.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.9 °C by the end of May.
Slovenia experiences an exceptionally high level of rainfall in May, with more than 24 rainy days on average.
Is May a good time to visit Slovenia? check out the best time to travel to Slovenia page.
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6
Dry days
25
Rainy days
0
Snow days
19°/9°
Temperatures
11 km/h
Avg max wind
83 %
Avg humidity
Slovenia in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  20° | 2 17° | 3  10° | 4 17° | |||
| 5 20° | 6 20° | 7 17° | 8 16° | 9 18° | 10  20° | 11  21° |
| 12  22° | 13 15° | 14 14° | 15 14° | 16 14° | 17  20° | 18 22° |
| 19 23° | 20 23° | 21 19° | 22 19° | 23 20° | 24 20° | 25 22° |
| 26 23° | 27 21° | 28 21° | 29 21° | 30 21° | 31 17° |
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Temperatures trend during May in Slovenia
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Light rain shower | 20° /10° | 5.2 mm | 5 | |
| 2 May | Light rain shower | 17° /8° | 4.2 mm | 4 | |
| 3 May | Light rain | 10° /7° | 9.1 mm | 3 | |
| 4 May | Patchy rain possible | 17° /7° | 0.6 mm | 4 | |
| 5 May | Patchy rain possible | 20° /7° | 0 mm | 5 | |
| 6 May | Patchy rain possible | 20° /9° | 0.1 mm | 4 | |
| 7 May | Light rain shower | 17° /9° | 2.4 mm | 4 | |
| 8 May | Light rain shower | 16° /8° | 4.8 mm | 4 | |
| 9 May | Patchy rain possible | 18° /6° | 0 mm | 4 | |
| 10 May | Sunny | 20° /6° | 0 mm | 6 | |
| 11 May | Partly cloudy | 21° /7° | 0 mm | 6 | |
| 12 May | Patchy light rain with thunder | 22° /10° | 0.8 mm | 5 | |
| 13 May | Light rain shower | 15° /9° | 4.3 mm | 4 | |
| 14 May | Light rain shower | 14° /9° | 2.8 mm | 3 | |
| 15 May | Light rain | 14° /7° | 8.1 mm | 3 | |
| 16 May | Light rain shower | 14° /10° | 23.5 mm | 3 | |
| 17 May | Fog | 20° /7° | 2.1 mm | 5 | |
| 18 May | Patchy rain possible | 22° /7° | 0.2 mm | 5 | |
| 19 May | Light drizzle | 23° /8° | 0.4 mm | 5 | |
| 20 May | Patchy light drizzle | 23° /10° | 1.6 mm | 5 | |
| 21 May | Light rain shower | 19° /12° | 17.2 mm | 4 | |
| 22 May | Light rain shower | 19° /9° | 3.3 mm | 4 | |
| 23 May | Patchy light rain with thunder | 20° /9° | 6.9 mm | 5 | |
| 24 May | Patchy light rain with thunder | 20° /8° | 3.9 mm | 5 | |
| 25 May | Patchy light drizzle | 22° /8° | 0.5 mm | 5 | |
| 26 May | Patchy rain possible | 23° /11° | 2.7 mm | 5 | |
| 27 May | Patchy light drizzle | 21° /10° | 1.4 mm | 5 | |
| 28 May | Light rain shower | 21° /11° | 8.6 mm | 5 | |
| 29 May | Patchy light drizzle | 21° /11° | 2.2 mm | 5 | |
| 30 May | Light rain shower | 21° /10° | 9.2 mm | 5 | |
| 31 May | Light rain shower | 17° /9° | 56.1 mm | 4 | |
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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.
Slovenia in May - FAQ
What are the expected maximum and minimum temperatures in Slovenia during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 9°. 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 182.4 mm is expected in Slovenia during May, occurring over more than 25 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.
What to pack to Slovenia in May?
As you prepare for your trip to Slovenia in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Slovenia, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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