Piran-Pirano (Portorož)
May
Weather in Piran-Pirano for May 2026
Your guide to Piran-Pirano weather in May - trends and predictions
In general, the average temperature in Piran-Pirano at the beginning of May is 19.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 22.4 °C by the end of May.
Piran-Pirano experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 177.9 mm.
Temperatures
Rain 🌧️
8
Dry days
23
Rainy days
0
Snow days
21°/11°
Temperatures
13 km/h
Avg max wind
78 %
Avg humidity
Piran-Pirano Weather May
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Temperatures trend during May in Piran-Pirano
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May weather in Piran-Pirano day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Light rain shower | 23° /12° | 3.2 mm | 5 | |
| 2 May | Light rain shower | 21° /11° | 4.2 mm | 5 | |
| 3 May | Light rain shower | 19° /11° | 0.9 mm | 5 | |
| 4 May |  Light drizzle | 20° /11° | 2.8 mm | 5 | |
| 5 May | Patchy rain possible | 19° /11° | 8.4 mm | 4 | |
| 6 May |  Overcast | 19° /9° | 5.4 mm | 4 | |
| 7 May | Light rain shower | 16° /10° | 7.8 mm | 4 | |
| 8 May | Light rain shower | 18° /9° | 2.4 mm | 5 | |
| 9 May |  Sunny | 20° /10° | 0.2 mm | 5 | |
| 10 May | Sunny | 22° /10° | 0 mm | 6 | |
| 11 May | Sunny | 22° /11° | 0 mm | 6 | |
| 12 May | Patchy rain possible | 22° /11° | 0.9 mm | 5 | |
| 13 May | Light rain shower | 21° /11° | 1.5 mm | 5 | |
| 14 May | Light rain shower | 20° /10° | 1.4 mm | 5 | |
| 15 May | Light rain | 18° /11° | 3.9 mm | 4 | |
| 16 May | Light rain shower | 19° /10° | 11.7 mm | 4 | |
| 17 May | Patchy rain possible | 19° /9° | 3.3 mm | 5 | |
| 18 May | Patchy rain possible | 20° /9° | 3 mm | 5 | |
| 19 May | Patchy light drizzle | 21° /11° | 2.8 mm | 5 | |
| 20 May | Light rain shower | 22° /13° | 1.6 mm | 5 | |
| 21 May |  Moderate or heavy rain shower | 21° /13° | 13.8 mm | 5 | |
| 22 May | Light rain shower | 20° /12° | 11.1 mm | 5 | |
| 23 May | Light rain shower | 18° /9° | 12.9 mm | 4 | |
| 24 May | Moderate rain at times | 21° /9° | 2.2 mm | 6 | |
| 25 May |  Partly cloudy | 21° /10° | 0 mm | 6 | |
| 26 May |  Patchy light rain with thunder | 23° /11° | 0.6 mm | 5 | |
| 27 May | Patchy light rain with thunder | 23° /11° | 2.8 mm | 5 | |
| 28 May | Light rain shower | 23° /13° | 2.6 mm | 6 | |
| 29 May | Patchy rain possible | 22° /12° | 2.2 mm | 5 | |
| 30 May | Light rain shower | 22° /13° | 10.1 mm | 6 | |
| 31 May | Moderate or heavy rain shower | 23° /13° | 13.7 mm | 6 | |
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Important Notice
Our weather forecast for Piran-Pirano 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 Piran-Pirano forecast closer to your planned date for the most up-to-date weather information.
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Piran-Pirano in May - FAQ
What are the expected maximum and minimum temperatures in Piran-Pirano during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Piran-Pirano during May?
Significant rainfall exceeding 177.9 mm is expected in Piran-Pirano during May, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Piran-Pirano during May?
The average wind speed in Piran-Pirano during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Piran-Pirano
Explore the daily rainfall trends and prepare for Piran-Piranos May weather 💧
UV exposure in Piran-Pirano during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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