Koper-Capodistria (Koper)
May
Weather in Koper-Capodistria for May 2025
Your guide to Koper-Capodistria weather in May - trends and predictions
Yellow Wind Warning - See hour by hour.
The forecast for the next days in Koper-Capodistria predicts temperatures to be around 18 °C, close to the historical average.
In general, the average temperature in Koper-Capodistria at the beginning of May is 19.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 22.1 °C by the end of May.
Koper-Capodistria experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 177.9 mm.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
7
Dry days
24
Rainy days
0
Snow days
21°/11°
Temperatures
13 km/h
Avg max wind
78 %
Avg humidity
Koper-Capodistria Weather May
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1   21° | 2 21° | 3 20° | 4  19° | |||
| 5 19° | 6 19° | 7  17° | 8 15° | 9 16° | 10 18° | 11 18° |
| 12 18° | 13 19° | 14 18° | 15  15° | 16 19° | 17 20° | 18 22° |
| 19 22° | 20 22° | 21  22° | 22 20° | 23 21° | 24 21° | 25  22° |
| 26  24° | 27 24° | 28 22° | 29 22° | 30 21° | 31 20° |
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Temperatures trend during May in Koper-Capodistria
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 | Sunny | 21° /14° | 0 mm | 1.8 | |
| 2 May | Sunny | 21° /15° | 0 mm | 1.8 | |
| 3 May | Sunny | 20° /16° | 0 mm | 1.5 | |
| 4 May | Patchy rain possible | 19° /15° | 1 mm | 1.3 | |
| 5 May | Patchy rain possible | 19° /16° | 1.3 mm | 1.8 | |
| 6 May | Patchy rain possible | 19° /16° | 3.2 mm | 4 | |
| 7 May | Moderate rain | 17° /12° | 13.2 mm | 3 | |
| 8 May | Patchy rain possible | 15° /12° | 1.2 mm | 3 | |
| 9 May | Patchy rain possible | 16° /12° | 0.9 mm | 3 | |
| 10 May | Patchy rain possible | 18° /12° | 0.4 mm | 3 | |
| 11 May | Patchy rain possible | 18° /13° | 0.2 mm | 4 | |
| 12 May | Patchy rain possible | 18° /15° | 3.2 mm | 4 | |
| 13 May | Patchy rain possible | 19° /15° | 1.3 mm | 4 | |
| 14 May | Patchy rain possible | 18° /15° | 2.6 mm | 4 | |
| 15 May | Light rain | 15° /12° | 6.1 mm | 4 | |
| 16 May | Light rain shower | 19° /13° | 22.9 mm | 4 | |
| 17 May | Patchy rain possible | 20° /11° | 6.2 mm | 5 | |
| 18 May | Patchy rain possible | 22° /10° | 0.6 mm | 5 | |
| 19 May | Patchy light drizzle | 22° /12° | 3 mm | 5 | |
| 20 May | Light rain shower | 22° /14° | 1.8 mm | 5 | |
| 21 May | Moderate or heavy rain shower | 22° /15° | 20.5 mm | 5 | |
| 22 May | Light rain shower | 20° /11° | 7 mm | 5 | |
| 23 May | Light rain shower | 21° /11° | 8 mm | 5 | |
| 24 May | Moderate rain at times | 21° /12° | 4.4 mm | 5 | |
| 25 May | Partly cloudy | 22° /12° | 0 mm | 6 | |
| 26 May | Patchy light rain with thunder | 24° /11° | 1.1 mm | 5 | |
| 27 May | Patchy light rain with thunder | 24° /10° | 3.8 mm | 5 | |
| 28 May | Light rain shower | 22° /13° | 4.5 mm | 5 | |
| 29 May | Patchy rain possible | 22° /13° | 4.2 mm | 5 | |
| 30 May | Light rain shower | 21° /14° | 20.2 mm | 5 | |
| 31 May | Moderate or heavy rain shower | 20° /12° | 27.3 mm | 5 | |
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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.
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 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 Koper-Capodistria during May?
Significant rainfall exceeding 177.9 mm is expected in Koper-Capodistria during May, occurring over more than 24 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 💧
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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