Koper Weather in October
What's the weather like in Koper (Koper-Capodistria) in October 2025?
The climate in Koper during October can be summarized as mild and damp.
October is in the fall / autumn in Koper and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 19°C (65°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 18.5°C 65.3°F |
|---|---|
| Nightly temperature | 10.5°C 50.9°F |
| Average temperature | 14.5°C 58.1°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 105 mm 4.1 ins |
| Rainy days | 11 days |
| Sea temperature | 19.6°C 67.3°F |
| Humidity | 72% |
| Windspeed | 7.6kph 5 mph |
On average October is the 3rd wettest month of the year in Koper with around 105mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
October temperatures in Koper
October rainfall
October hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Koper in October 2025.
Other monthly averages
Best places to visit in October
Koper weather stats
| Hottest month: | July | 27.7°C 81.9°F |
|---|---|---|
| Driest month: | February | 73mm 2.9ins |
| Sunniest month: | July | 10.2hrs |
| Coldest month: | January | 7.4°C 45.3°F |
| Wettest month: | November | 117mm 4.6ins |
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