SI
Koper climate and weather
Current conditions
17.7° / 6.4°
Overcast
- Feels like
- 16.4° / 4.6°
- Humidity
- —
- Wind
- 8.7 km/h (gusts 16.9)
- UV index
- 2.7
- Sunrise / sunset
- 06:36 / 17:01
- Daylight
- 10.4 hrs
7-day forecast
| Date | Weather | High | Low | Feels like | Precip | Rain | Wind | UV |
|---|---|---|---|---|---|---|---|---|
| Mon 26 Oct | Overcast | 17.7° | 6.4° | 16.4° / 4.6° | 0.0 mm | 0% | 8.7 km/h | 2.7 |
| Tue 27 Oct | Partly cloudy | 18.1° | 8.6° | 16.6° / 6.6° | 0.0 mm | 0% | 9.8 km/h | 3.2 |
| Wed 28 Oct | Overcast | 18.8° | 9.5° | 17.2° / 7.8° | 0.0 mm | 5% | 7.6 km/h | 2.8 |
| Thu 29 Oct | Overcast | 18.6° | 13.0° | 15.4° / 11.6° | 0.0 mm | 1% | 19.2 km/h | 3.0 |
| Fri 30 Oct | Overcast | 17.0° | 10.8° | 12.6° / 9.0° | 0.0 mm | 3% | 22.0 km/h | 3.0 |
| Sat 31 Oct | Overcast | 14.1° | 11.6° | 9.9° / 8.1° | 0.0 mm | 3% | 27.1 km/h | 2.8 |
Air quality
26
Good
US Air Quality Index
European AQI: 18
- PM2.5
- 4.1 µg/m³
- PM10
- 6.8 µg/m³
- Ozone (O₃)
- 54.0 µg/m³
- NOâ‚‚
- 6.1 µg/m³
- SOâ‚‚
- 0.4 µg/m³
- CO
- 160.0 µg/m³
- UV index
- 0.1
- Dust
- 0.0 µg/m³
Pollen
- Grass
- 0.0
- Birch
- 0.0
- Ragweed
- 0.0
Climate through the year
Now: October
Average high and low, °C Rainfall, mm
Temperature by month
Precipitation and rain days
Sunshine, UV and humidity
Best months to visit
| Month | Rating | Avg high | Avg low | Rain days | Sun (hrs) | Humidity |
|---|---|---|---|---|---|---|
| June | Excellent · 84 | 27.2°C | 18.5°C | 5.8 | 399.0 | 63.3% |
| September | Excellent · 79 | 24.2°C | 16.2°C | 10.6 | 303.0 | 68.7% |
| August | Excellent · 76 | 29.1°C | 20.2°C | 7.2 | 378.2 | 60.9% |
| July | Good · 64 | 29.4°C | 20.6°C | 9.1 | 403.0 | 60.9% |
| October | Good · 63 | 19.7°C | 12.4°C | 9.9 | 251.1 | 74.6% |
| May | Good · 61 | 21.0°C | 13.1°C | 15.1 | 353.4 | 70.1% |
| April | Fair · 46 | 16.3°C | 8.0°C | 10.0 | 306.0 | 67.2% |
| March | Fair · 39 | 13.6°C | 5.4°C | 9.1 | 282.1 | 66.5% |
| January | Poor · 26 | 9.3°C | 2.9°C | 11.0 | 173.6 | 74.4% |
| February | Poor · 26 | 11.1°C | 3.7°C | 9.1 | 198.8 | 73.6% |
| November | Poor · 26 | 14.0°C | 7.5°C | 12.2 | 189.0 | 73.0% |
| December | Poor · 26 | 10.8°C | 4.6°C | 10.1 | 151.9 | 75.7% |
Monthly climate data
| Month | High | Low | Mean | Feels high | Feels low | Precip | Rain days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 9.3° | 2.9° | 5.8° | 6.2° | -1.0° | 98.7 mm | 11.0 | 1.3 cm | 173.6 hrs | 9.2 hrs | — | 74.4% | 18.8 km/h | 64.3% |
| Feb | 11.1° | 3.7° | 7.0° | 8.3° | 0.1° | 79.1 mm | 9.1 | 0.6 cm | 198.8 hrs | 10.4 hrs | — | 73.6% | 17.0 km/h | 60.3% |
| Mar | 13.6° | 5.4° | 9.3° | 11.0° | 1.9° | 103.9 mm | 9.1 | 0.4 cm | 282.1 hrs | 11.9 hrs | — | 66.5% | 18.1 km/h | 51.5% |
| Apr | 16.3° | 8.0° | 12.1° | 14.8° | 5.0° | 95.6 mm | 10.0 | 0.8 cm | 306.0 hrs | 13.5 hrs | — | 67.2% | 18.6 km/h | 56.3% |
| May | 21.0° | 13.1° | 17.1° | 21.3° | 11.3° | 127.3 mm | 15.1 | 0.0 cm | 353.4 hrs | 14.9 hrs | — | 70.1% | 17.7 km/h | 57.7% |
| Jun | 27.2° | 18.5° | 23.0° | 29.1° | 18.4° | 64.5 mm | 5.8 | 0.0 cm | 399.0 hrs | 15.6 hrs | — | 63.3% | 16.0 km/h | 39.6% |
| Jul | 29.4° | 20.6° | 25.0° | 31.5° | 20.8° | 106.1 mm | 9.1 | 0.0 cm | 403.0 hrs | 15.3 hrs | — | 60.9% | 17.0 km/h | 36.4% |
| Aug | 29.1° | 20.2° | 24.6° | 30.7° | 20.2° | 97.5 mm | 7.2 | 0.0 cm | 378.2 hrs | 14.1 hrs | — | 60.9% | 17.5 km/h | 36.9% |
| Sep | 24.2° | 16.2° | 19.9° | 24.6° | 15.2° | 190.0 mm | 10.6 | 0.0 cm | 303.0 hrs | 12.5 hrs | — | 68.7% | 17.1 km/h | 47.2% |
| Oct | 19.7° | 12.4° | 15.7° | 19.1° | 10.4° | 171.8 mm | 9.9 | 0.0 cm | 251.1 hrs | 10.9 hrs | — | 74.6% | 18.0 km/h | 56.5% |
| Nov | 14.0° | 7.5° | 10.5° | 11.8° | 4.2° | 147.8 mm | 12.2 | 0.2 cm | 189.0 hrs | 9.5 hrs | — | 73.0% | 20.0 km/h | 62.1% |
| Dec | 10.8° | 4.6° | 7.4° | 8.3° | 1.0° | 101.4 mm | 10.1 | 0.3 cm | 151.9 hrs | 8.8 hrs | — | 75.7% | 17.4 km/h | 66.2% |