Climate of Koper
Koper has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Koper is 16° degrees and there is about 961 mm of rain in a year. It is dry for 148 days a year with an average humidity of 75% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 6°C and 27°C
- Night:the average nighttime temperature is between 2°C and 19°C
- Sea temperature: the sea temperature is between 7°C and 29°C
- Rain: it rains 182 days and there is a total of approximately 961 mm rainfall
- Snow: it snows an average of 4 days per year
- Sun hours: throughout the year there are 3042 sun hours
Maximum temperature: | between 6°C and 27°C |
Warmest month: | 27°C in August |
Coldest month: | 6°C in January |
Night temperature: | between 2°C and 19°C |
Sea temperature: | between 7°C and 29°C |
Dry days: | 179 days |
Days with rain: | 182 days |
Days with snow: | 4 days |
Total rain sum: | 961 mm |
Hours of sunshine: | 3042 hours |
Do you want to go to Koper?
These are the travel companies where you can book a trip to Koper:
Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Koper.
Precipitation graph
This graph shows the average amount of rainfall per month for Koper.
Climate table of Koper
In this climate table you can see at a glance what the average weather per month is for Koper. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Koper might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 6 | 7 | 11 | 16 | 19 | 24 | 26 | 27 | 22 | 17 | 12 | 8 |
Night temp. (°C) | 2 | 2 | 5 | 9 | 12 | 16 | 18 | 19 | 15 | 11 | 7 | 3 |
Water temp. (°C) | 7 | 10 | 14 | 17 | 22 | 26 | 28 | 29 | 26 | 20 | 16 | 12 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 68 | 96 | 76 | 54 | 83 | 93 | 62 | 53 | 101 | 81 | 117 | 77 |
Days with rain | 14 | 14 | 15 | 16 | 21 | 18 | 15 | 11 | 14 | 14 | 16 | 14 |
Days with snow | 1 | 1 | 1 | - | - | - | - | - | - | - | - | 1 |
Dry days | 16 | 13 | 15 | 14 | 10 | 12 | 16 | 20 | 16 | 17 | 14 | 16 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 5 | 5 | 7 | 10 | 11 | 12 | 12 | 12 | 10 | 6 | 5 | 5 |
Wind force (Bft) | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 |
UV-index | 2 | 3 | 3 | 4 | 5 | 6 | 6 | 6 | 4 | 3 | 3 | 2 |
Best time to visit Koper
The best time to visit Koper in Slovenia is from May through August. In this period you have a warm temperature and little precipitation. The highest average temperature in Koper is 27°C in August and the lowest is 6°C in January. The water temperature is 29°C at its highest and in other months it can be 7°C.
Climate of Koper by month
What is the average climate in a given month for Koper? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Koper weather experiences
Have you been to in Koper?
Leave your Koper weather experience for a chance to win $150!