Climate of Koper, Slovenia
Area-weighted average across Koper. For where people actually live and travel, see the cities below.
Koper, a subdivision of Slovenia, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 3.9°C / 39°F in January to 22.1°C / 71.8°F in August, with rainfall from 70 mm / 2.8 in to 137 mm / 5.4 in depending on the season (1241 mm / 48.9 in total across the year).
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 3.9°C39°F | 89 mm3.5″ | — |
| February | 4.8°C40.6°F | 70 mm2.8″ | — |
| March | 7.3°C45.1°F | 90 mm3.5″ | — |
| April | 10.7°C51.3°F | 102 mm4″ | — |
| May | 15.5°C59.9°F | 97 mm3.8″ | — |
| June | 19.2°C66.6°F | 112 mm4.4″ | — |
| July | 21.9°C71.4°F | 75 mm3″ | — |
| August | 22.1°C71.8°F | 102 mm4″ | — |
| September | 18°C64.4°F | 114 mm4.5″ | — |
| October | 13.8°C56.8°F | 136 mm5.4″ | — |
| November | 8.8°C47.8°F | 137 mm5.4″ | — |
| December | 5.1°C41.2°F | 117 mm4.6″ | — |
Frequently asked questions
What is the best time to visit Koper?
Koper, Slovenia does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 22.1°C / 71.8°F, and the driest is February at 70 mm / 2.8 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Koper?
Koper, Slovenia has area-weighted monthly average temperatures ranging from 3.9°C / 39°F in January to 22.1°C / 71.8°F in August. Annual rainfall averages about 1241 mm / 48.9 in, with the wettest month being November (137 mm / 5.4 in) and the driest February (70 mm / 2.8 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Koper?
The hottest month in Koper is August, with an area-wide average temperature of 22.1°C / 71.8°F.
What is the coldest month in Koper?
The coldest month in Koper is January, with an area-wide average temperature of 3.9°C / 39°F.
When does it rain most in Koper?
The wettest month in Koper is November, averaging about 137 mm / 5.4 in of rainfall. The driest is February with about 70 mm / 2.8 in.