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Weather in Koper for May 2027

Your guide to Koper weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Koper at the beginning of May is 19.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24.1 °C by the end of May.

    • Rain 🌧️

  • Koper in May brings notable rainfall, with an average of 16 rainy days and a total precipitation of 139.3 mm.

    • More

  • Is May a good time to visit Koper? check out the best time to travel to Koper page.

Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/11°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Koper Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain shower
22°
2
Light rain
20°
3
Sunny
20°
4
Light drizzle
20°
5
Light rain
18°
6
Moderate rain
18°
7
Light rain
17°
8
Light rain shower
19°
9
Sunny
20°
10
Patchy rain possible
21°
11
Light rain
21°
12
Light rain
20°
13
Light rain shower
19°
14
Light rain
19°
15
Moderate rain
16°
16
Light rain
17°
17
Patchy rain possible
19°
18
Patchy rain possible
20°
19
Patchy light drizzle
21°
20
Light rain shower
22°
21
Moderate rain
21°
22
Light rain
21°
23
Light rain
20°
24
Patchy rain possible
23°
25
Partly cloudy
24°
26
Patchy light rain with thunder
25°
27
Patchy light rain with thunder
25°
28
Light rain
25°
29
Patchy rain possible
24°
30
Light rain
23°
31
Moderate or heavy rain shower
24°

Temperatures trend during May in Koper

See the weather trend as well as the moving average line

May weather in Koper day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Light rain shower
Light rain shower
 22° /10° 2.1 mm 6
2 May Light rain
Light rain
 20° /10° 2.8 mm 6
3 May Sunny
Sunny
 20° /11° 0.6 mm 6
4 May Light drizzle
Light drizzle
 20° /11° 1.9 mm 5
5 May Light rain
Light rain
 18° /11° 7 mm 4
6 May Moderate rain
Moderate rain
 18° /11° 11.8 mm 3
7 May Light rain
Light rain
 17° /11° 5.5 mm 4
8 May Light rain shower
Light rain shower
 19° /10° 1.6 mm 6
9 May Sunny
Sunny
 20° /10° 0.1 mm 6
10 May Patchy rain possible
Patchy rain possible
 21° /10° 1 mm 6
11 May Light rain
Light rain
 21° /12° 5.5 mm 5
12 May Light rain
Light rain
 20° /10° 9.6 mm 5
13 May Light rain shower
Light rain shower
 19° /9° 1 mm 6
14 May Light rain
Light rain
 19° /10° 2.7 mm 4
15 May Moderate rain
Moderate rain
 16° /10° 13.6 mm 3
16 May Light rain
Light rain
 17° /10° 9.9 mm 3
17 May Patchy rain possible
Patchy rain possible
 19° /9° 2.2 mm 6
18 May Patchy rain possible
Patchy rain possible
 20° /9° 2 mm 5
19 May Patchy light drizzle
Patchy light drizzle
 21° /11° 1.9 mm 6
20 May Light rain shower
Light rain shower
 22° /12° 1 mm 6
21 May Moderate rain
Moderate rain
 21° /14° 13.8 mm 5
22 May Light rain
Light rain
 21° /13° 7.4 mm 6
23 May Light rain
Light rain
 20° /12° 8.6 mm 5
24 May Patchy rain possible
Patchy rain possible
 23° /11° 1.5 mm 6
25 May Partly cloudy
Partly cloudy
 24° /13° 0 mm 7
26 May Patchy light rain with thunder
Patchy light rain with thunder
 25° /13° 0.4 mm 6
27 May Patchy light rain with thunder
Patchy light rain with thunder
 25° /14° 2.4 mm 6
28 May Light rain
Light rain
 25° /14° 3.3 mm 6
29 May Patchy rain possible
Patchy rain possible
 24° /12° 1.8 mm 6
30 May Light rain
Light rain
 23° /14° 6.7 mm 6
31 May Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /14° 9.7 mm 7
Next
Important Notice
Our weather forecast for Koper 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 forecast closer to your planned date for the most up-to-date weather information.
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Koper in May - FAQ

What are the expected maximum and minimum temperatures in Koper 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 during May?
Significant rainfall exceeding 139.3 mm is expected in Koper during May, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Koper during May?
The average wind speed in Koper during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Koper

Explore the daily rainfall trends and prepare for Kopers May weather 💧
Typically, Koper has 16 rainy days in May with a total of 139.3 mm of rainfall.

UV exposure in Koper during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Get accurate weather forecasts for Koper, located at latitude 45.547 and longitude 13.729. Stay updated with localized weather information tailored for Koper.

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