Koper-Capodistria (Koper)
May
Weather in Koper-Capodistria for May 2026
Your guide to Koper-Capodistria weather in May - trends and predictions
In general, the average temperature in Koper-Capodistria 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.
Koper-Capodistria experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 137.3 mm.
Temperatures
Rain 🌧️
6
Dry days
25
Rainy days
0
Snow days
20°/11°
Temperatures
13 km/h
Avg max wind
75 %
Avg humidity
Koper-Capodistria Weather May
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Temperatures trend during May in Koper-Capodistria
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May weather in Koper-Capodistria 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 Koper-Capodistria 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 Koper-Capodistria forecast closer to your planned date for the most up-to-date weather information.
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Koper-Capodistria in May - FAQ
What are the expected maximum and minimum temperatures in Koper-Capodistria during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Koper-Capodistria during May?
Significant rainfall exceeding 137.3 mm is expected in Koper-Capodistria during May, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Koper-Capodistria during May?
The average wind speed in Koper-Capodistria during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Koper-Capodistria
Explore the daily rainfall trends and prepare for Koper-Capodistrias May weather 💧
Typically, Koper-Capodistria has 25 rainy days in May with a total of 137.3 mm of rainfall.
UV exposure in Koper-Capodistria during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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