Average temperature in July is 24.7 °C
Average daytime temperature is 29 °C
Average night temperature is 20.5 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 12
Number of rainy days: 19
Number of snow days:
Precipitation sum: 185 mm
* Weather data for Koper Slovenia is based on climate observations for 2023 year
| Luglio (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 25.1 | 26.4 | 26.9 | 28.1 | 27 | 27.2 | 29 | 28 | 29.4 | 30.5 | 31 | 31.7 | 28.7 | 30.5 | 29.6 | 31 | 31.9 | 34.5 | 31.4 | 32.2 | 29.4 | 26.8 | 28.9 | 31.3 | 29.1 | 26.8 | 25.1 | 27.5 | 27.8 | 26.6 | 29.6 |
| Apparent max temperature | 28 | 29.6 | 31.4 | 31.9 | 29.9 | 29.3 | 30.1 | 29.5 | 32.3 | 34.9 | 34.8 | 35.6 | 31.9 | 33.4 | 33.7 | 37.2 | 37.7 | 38.3 | 36.6 | 36.2 | 33.6 | 30.3 | 34.7 | 36 | 33.3 | 25.9 | 25.8 | 29.7 | 31.1 | 31 | 31.7 |
| Mean temperature | 20.9 | 22.8 | 23.6 | 23.7 | 23 | 23 | 23.8 | 23.7 | 25.4 | 26.9 | 26.8 | 27.4 | 23.5 | 25.4 | 25.6 | 27 | 28.2 | 29.5 | 28.4 | 27.2 | 24.4 | 23.3 | 24.5 | 25.9 | 23.3 | 21.7 | 20.7 | 22.9 | 24.4 | 23.2 | 24.7 |
| Apparent mean temperature | 20.1 | 18.6 | 21.6 | 20.6 | 19.3 | 19.7 | 18.9 | 17.6 | 22 | 25.1 | 23.7 | 24.7 | 22.2 | 19.8 | 21.8 | 24.4 | 24.7 | 25.5 | 26.2 | 24.5 | 22.5 | 22.1 | 19.1 | 23.2 | 21.9 | 16.6 | 13.9 | 17.1 | 22.6 | 22.7 | 20.7 |
| Minimum temperature | 18.1 | 17.3 | 20.5 | 19.8 | 18.4 | 19.8 | 19.1 | 18.6 | 20.5 | 21.8 | 22.4 | 22.8 | 20.2 | 20.3 | 20.5 | 22.6 | 23.1 | 24.1 | 24.2 | 22.8 | 22.3 | 20.2 | 19.7 | 22.4 | 20.1 | 18.1 | 16.1 | 17.8 | 20.8 | 20.6 | 20.5 |
| Apparent min temperature | 23.1 | 25.2 | 26 | 26.2 | 25.3 | 24.4 | 24.9 | 24.6 | 27.9 | 30.6 | 29.4 | 30.1 | 26.3 | 26.9 | 28.5 | 30.7 | 31.7 | 32.3 | 31.8 | 30.1 | 26.5 | 26.3 | 26.9 | 29 | 25.6 | 20.5 | 20.5 | 24.1 | 27.3 | 26.6 | 26.6 |
| Luglio | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 15.6 | 15.6 | 15.6 | 15.6 | 15.6 | 15.5 | 15.5 | 15.5 | 15.5 | 15.5 | 15.4 | 15.4 | 15.4 | 15.4 | 15.3 | 15.3 | 15.3 | 15.3 | 15.2 | 15.2 | 15.2 | 15.1 | 15.1 | 15.1 | 15 | 15 | 14.9 | 14.9 | 14.9 | 14.8 | 14.8 |
| Sunshine duration (h) | 8.3 | 14.1 | 12.9 | 13 | 14 | 13.1 | 14.1 | 14.1 | 14 | 13.5 | 13.4 | 11.1 | 4 | 14 | 14 | 14 | 13.9 | 12.9 | 12.6 | 13.9 | 11.9 | 11.9 | 11.1 | 12.7 | 8.9 | 12.7 | 13.8 | 13.7 | 13.6 | 11.4 | 13.7 |
| Precipitation (mm) | 24.5 | 0 | 4.5 | 0.2 | 8.2 | 6.9 | 0 | 0 | 0 | 0 | 0 | 4.1 | 19.9 | 0 | 0 | 0 | 0 | 0.2 | 8 | 2.1 | 7.4 | 8.8 | 7.9 | 4.9 | 42.3 | 8 | 0 | 1.2 | 0.5 | 25.3 | 0 |
| Precipitation hours | 16 | 0 | 5 | 2 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 2 | 11 | 0 | 0 | 0 | 0 | 1 | 3 | 2 | 5 | 6 | 4 | 1 | 11 | 7 | 0 | 2 | 4 | 11 | 0 |
| Wind speed (m/s) | 11.9 | 10.8 | 17.9 | 12.3 | 12 | 20.9 | 15.3 | 12.7 | 11.2 | 11.7 | 11.2 | 18.9 | 20.2 | 16.5 | 11.8 | 10.7 | 11.5 | 22 | 16.6 | 16.9 | 23.6 | 13.2 | 21.9 | 28.4 | 19.9 | 26.8 | 15.6 | 11.8 | 11.6 | 13.4 | 14.4 |
In July 2023, the highest daytime temperature in Koper was 34.5°C.
While the minimum temperature at night dropped to 16.1°C.
The average nighttime and daytime temperatures during July in Koper are 20.5°C and 29°C respectively.
The precipitation sum in July is about 185 mm.