Weather in Koper in may 2025

The weather in Koper in the month of may comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.

Average weather throughout may

tolerable weather

Weather at 6am
58°F

Moderate rain at times

22%

Partly Cloudy

20%

Heavy rain

12%

Weather at 12pm
68°F

Moderate rain at times

30%

Heavy rain

17%

Partly Cloudy

14%

Weather at 6pm
63°F

Clear/Sunny

32%

Heavy rain

18%

Partly Cloudy

14%

Weather at 3am
54°F

Clear/Sunny

40%

Moderate rain at times

27%

Partly Cloudy

22%

Heavy rain

8%



Evolution of daily average temperature and precipitation in Koper in may

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Koper in may.


The climate of Koper in may is tolerable

In may in Koper, the climate is wet (with 9.3in of precipitation over 13 days). The weather's not getting better compared to the previous month since in april there is an average of 6in of rainfall over 8 days.

The climate enjoyable in that locality this month. The thermometer averaged maximum of 70°F. On average, the recorded minimum temperature is 58°F. Thus, the mean temperature average on this month of may in Koper is 65°F. Note that these seasonal averages are in contrast with those observed in Koper in may with a maximum record of 85°F in 2009 and a minimum record of 43°F in 2019. You can hope to have about 25 days with temperatures above 65°F, or 81% of the month.

Day length in Koper in may is 14:56. The sun rises at 04:34 and sets at 19:30.

With good weather conditions, may is advisable to go there in Slovenia.



Koper: another month?

If you can push back the dates of your trip, we advise you to go in june to Koper. more information

If you can push the dates of your trip to Koper forward, the month of june has a better weather forecast than may. more information

May: another location in Slovenia?

If you want to go to Slovenia in may, there are destinations with better weather than Koper:

In may, Ljubljana, Jezersko, Solcava, Brežice, Kamnik and Kuzma have good weather.

more information about Slovenia's weather in may


Seasonal average climate and temperature of Koper in may

Check below seasonal norms These datas are compiled from the weather statements of the last years of may.

May
Outside temperature
Average temperature 65°F
Highest temperature 70°F
Lowest temperature 58°F
Highest record temperature 85°F
(2009)
Lowest record temperature 43°F
(2019)
Number of days at +86°F 0 day(s)
(0%)
Number of days at +65°F 25 day(s)
(81%)
Sea temperature
Average sea temperature 65°F
Lowest sea temperature 58°F
Highest sea temperature 72°F
Wind
Wind speed 14km/h
Wind temperature 58°F
Precipitation (rainfall)
Rainfall 9.3in
Number of days with rainfall 13 day(s)
(41%)
Record daily rainfall 2.7in
(2011)
Snowfall 0cm
Other climate data
Humidity 78%
Visibility 9.17km
Cloud cover 36%
UV index 5
Daily sunshine hours 14
Sunrise and sunset
Time of sunrise 04:34
Time of sunset 19:30
Length of day 14:56
Our opinion about the weather in may
Our opinion at whereandwhen.net tolerable



How was the weather last may?

Here is the day by day recorded weather in Koper in may 2024:

01-05-2024
Partly Cloudy
59°F to 68°F
02-05-2024
Patchy rain nearby
59°F to 65°F
03-05-2024
Light rain shower
56°F to 61°F
04-05-2024
Light rain shower
54°F to 63°F
05-05-2024
Clear/Sunny
58°F to 63°F
06-05-2024
Clear/Sunny
58°F to 65°F
07-05-2024
Patchy rain nearby
61°F to 63°F
08-05-2024
Patchy rain nearby
58°F to 67°F
09-05-2024
Clear/Sunny
58°F to 70°F
10-05-2024
Clear/Sunny
58°F to 70°F
11-05-2024
Clear/Sunny
59°F to 70°F
12-05-2024
Clear/Sunny
63°F to 70°F
13-05-2024
Partly Cloudy
63°F to 68°F
14-05-2024
Patchy rain nearby
61°F to 67°F
15-05-2024
Patchy light drizzle
59°F to 61°F
16-05-2024
Thundery outbreaks in nearby
61°F to 67°F
17-05-2024
Clear/Sunny
59°F to 68°F
18-05-2024
Clear/Sunny
61°F to 70°F
19-05-2024
Patchy rain nearby
61°F to 68°F
20-05-2024
Light rain shower
63°F to 70°F
21-05-2024
Partly Cloudy
63°F to 70°F
22-05-2024
Patchy rain nearby
63°F to 68°F
23-05-2024
Patchy rain nearby
61°F to 68°F
24-05-2024
Patchy rain nearby
61°F to 68°F
25-05-2024
Partly Cloudy
63°F to 70°F
26-05-2024
Clear/Sunny
63°F to 72°F
27-05-2024
Patchy light drizzle
63°F to 70°F
28-05-2024
Patchy rain nearby
63°F to 70°F
29-05-2024
Patchy rain nearby
63°F to 68°F
30-05-2024
Patchy rain nearby
65°F to 70°F
31-05-2024
Patchy rain nearby
65°F to 70°F

Map: other cities in Slovenia in may

Cities near Koper:

Ankaran in maytolerable weather
Izola in maytolerable weather
Kostabona in maytolerable weather
Portorož in maytolerable weather
Piran in maytolerable weather
Sežana in maytolerable weather
Stanjel in maytolerable weather
Predjama in maytolerable weather
Ilirska Bistrica in maytolerable weather
Postojna in maytolerable weather
Nova Gorica in maygood weather
Idrija in maytolerable weather
Slovenia in may: See full list of cities

Click over cities on the map for information about the weather in may.

Legend: Koper perfect weather good tolerable bad very bad


Weather data for Koper in may:

Weather data for Koper for may are derived from an average of the weather forecast since 2009 in Koper. There is a margin of error and these forecasts are to be considered as general information only. The weather in Koper can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Koper.


Weather in april in Koper
Weather in june in Koper
Change units