You have chosen to compare the two cities, in order to view the weather separately for each city or resort, simply follow the links Postojna, Slovenia and Koper, Slovenia. You can also calculate distance Postojna — Koper with the help of our distance calculator, which knows how to route between cities.
Postojna and Koper — Comparison weather
Postojna, Slovenia and Koper, Slovenia — Comparison weather. Learn where is warmer and colder where in any month of the year. Compare the day and night temperature, water temperature and precipitation. Where the sun shines longer, and where the rains.
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Comparison of daily temperature
Comparison night temperature
Comparison of precipitation
Postojna and Koper Comparison seasons
| Most sunny months | |
| July | 20 days |
| August | 20 days |
| June | 16 days |
| The warmest months | |
| July | 25.5 °C |
| August | 25 °C |
| June | 23.2 °C |
| The coldest months | |
| January | 2.9 °C |
| December | 3.9 °C |
| February | 4 °C |
| Rainiest months | |
| June | 9 days |
| May | 9 days |
| July | 8 days |
| Most windy months | |
| March | 10.3 km / h |
| February | 10.2 km / h |
| April | 9.7 km / h |
| Most sunny months | |
| July | 23 days |
| August | 23 days |
| June | 20 days |
| The warmest months | |
| July | 29.5 °C |
| August | 29.5 °C |
| June | 26.9 °C |
| The coldest months | |
| January | 7.4 °C |
| February | 8.7 °C |
| December | 8.7 °C |
| Rainiest months | |
| November | 7 days |
| September | 7 days |
| May | 7 days |
| Most windy months | |
| February | 10.9 km / h |
| March | 10.7 km / h |
| November | 10.4 km / h |
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