Koper in may: average Weather, Temperature and Climate
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
Clear/Sunny
39% of time
22%
20%
12%
Weather at 12pm
68°F
Clear/Sunny
35% of time
30%
17%
14%
Weather at 6pm
63°F
Moderate rain at times
35% of time
32%
18%
14%
Weather at 3am
54°F
40%
27%
22%
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.
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:
59°F to 68°F
59°F to 65°F
56°F to 61°F
54°F to 63°F
58°F to 63°F
58°F to 65°F
61°F to 63°F
58°F to 67°F
58°F to 70°F
58°F to 70°F
59°F to 70°F
63°F to 70°F
63°F to 68°F
61°F to 67°F
59°F to 61°F
61°F to 67°F
59°F to 68°F
61°F to 70°F
61°F to 68°F
63°F to 70°F
63°F to 70°F
63°F to 68°F
61°F to 68°F
61°F to 68°F
63°F to 70°F
63°F to 72°F
63°F to 70°F
63°F to 70°F
63°F to 68°F
65°F to 70°F
65°F to 70°F
Map: other cities in Slovenia in may
Cities near Koper:
| Ankaran in may | tolerable weather |
| Izola in may | tolerable weather |
| Kostabona in may | tolerable weather |
| Portorož in may | tolerable weather |
| Piran in may | tolerable weather |
| Sežana in may | tolerable weather |
| Stanjel in may | tolerable weather |
| Predjama in may | tolerable weather |
| Ilirska Bistrica in may | tolerable weather |
| Postojna in may | tolerable weather |
| Nova Gorica in may | good weather |
| Idrija in may | tolerable weather |
Click over cities on the map for information about the weather in may.
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.