Climate & Weather in Portorož, 🇸🇮 Slovenia - Monthly Averages, Forecast & Air Quality
🇸🇮 Portorož,
Slovenia
#1056
Nomad Score
6.3
Coords
45.5146489, 13.5910112
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CURRENT CONDITIONS
Temperature
26.0°C
/
17.4°C
Feels Like
25.8°C / 17.2°C
Weather
🌤️ Overcast
Humidity
%
Wind
11.1 km/h
(gusts 14.8)
UV Index
5.3
Sunrise / Sunset
06:41
/
19:20
Daylight
12.7 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Sun 13 Sep | 🌤️ Overcast | 26.0° | 17.4° | 0% |
| Mon 14 Sep | 🌧️ Slight rain | 25.1° | 19.9° | 33% |
| Tue 15 Sep | 🌤️ Mainly clear | 26.2° | 20.2° | 0% |
| Wed 16 Sep | 🌤️ Overcast | 25.0° | 17.2° | 31% |
| Thu 17 Sep | ⛈️ Thunderstorm | 22.0° | 16.7° | 64% |
| Fri 18 Sep | 🌧️ Slight rain showers | 18.7° | 17.7° | 28% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| June | Excellent | 26.6°C | 19.3°C | 5.6 |
| August | Excellent | 28.9°C | 21.0°C | 7.4 |
| September | Excellent | 24.3°C | 17.2°C | 10.2 |
| May | Good | 20.6°C | 13.9°C | 13.2 |
| July | Good | 28.9°C | 21.4°C | 8.3 |
| October | Good | 19.7°C | 13.3°C | 10.1 |
| February | Fair | 10.9°C | 4.2°C | 7.9 |
| April | Fair | 15.9°C | 8.7°C | 9.4 |
| March | Fair | 13.2°C | 5.8°C | 8.1 |
| January | Poor | 9.4°C | 3.8°C | 10.3 |
| November | Poor | 14.4°C | 8.5°C | 11.8 |
| December | Poor | 11.1°C | 5.4°C | 9.7 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
43
🟢 Good
US Air Quality Index
European AQI: 28
PM2.5
6.4 µg/m³
PM10
8.9 µg/m³
Ozone
76.0 µg/m³
NO₂
6.1 µg/m³
SO₂
0.5 µg/m³
CO
165.0 µg/m³
UV Index
0.0
Dust
0.0 µg/m³
Pollen
🌾 Grass
0.9
🌳 Birch
0.0
🌿 Ragweed
1.6
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | Precip | Rain Days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 9.4° | 3.8° | 6.6° | 6.4° | 0.2° | 88.6 mm | 10.3 | 1.2 cm | 179.8 hrs | 9.2 hrs | - | 77.8% | 19.7 km/h | 64.9% |
| Feb | 10.9° | 4.2° | 7.4° | 8.4° | 1.0° | 64.6 mm | 7.9 | 0.3 cm | 207.2 hrs | 10.4 hrs | - | 78.3% | 17.2 km/h | 60.3% |
| Mar | 13.2° | 5.8° | 9.4° | 10.8° | 2.7° | 84.2 mm | 8.1 | 0.1 cm | 288.3 hrs | 11.9 hrs | - | 73.7% | 19.2 km/h | 51.0% |
| Apr | 15.9° | 8.7° | 12.4° | 14.5° | 6.0° | 88.7 mm | 9.4 | 0.4 cm | 315.0 hrs | 13.5 hrs | - | 72.9% | 20.1 km/h | 54.7% |
| May | 20.6° | 13.9° | 17.4° | 21.1° | 12.8° | 128.5 mm | 13.2 | 0.0 cm | 362.7 hrs | 14.9 hrs | - | 75.4% | 18.9 km/h | 56.6% |
| Jun | 26.6° | 19.3° | 23.1° | 28.8° | 20.2° | 47.4 mm | 5.6 | 0.0 cm | 402.0 hrs | 15.6 hrs | - | 70.0% | 17.7 km/h | 38.5% |
| Jul | 28.9° | 21.4° | 25.3° | 31.4° | 22.6° | 77.1 mm | 8.3 | 0.0 cm | 406.1 hrs | 15.3 hrs | - | 66.0% | 18.4 km/h | 35.5% |
| Aug | 28.9° | 21.0° | 25.0° | 30.9° | 22.0° | 80.9 mm | 7.4 | 0.0 cm | 381.3 hrs | 14.1 hrs | - | 65.7% | 18.2 km/h | 36.3% |
| Sep | 24.3° | 17.2° | 20.6° | 24.8° | 16.9° | 159.0 mm | 10.2 | 0.0 cm | 306.0 hrs | 12.5 hrs | - | 72.0% | 18.0 km/h | 47.3% |
| Oct | 19.7° | 13.3° | 16.4° | 19.3° | 12.0° | 150.6 mm | 10.1 | 0.0 cm | 254.2 hrs | 10.9 hrs | - | 78.4% | 18.4 km/h | 56.9% |
| Nov | 14.4° | 8.5° | 11.4° | 12.4° | 5.8° | 132.4 mm | 11.8 | 0.0 cm | 195.0 hrs | 9.5 hrs | - | 75.7% | 20.5 km/h | 62.0% |
| Dec | 11.1° | 5.4° | 8.1° | 8.7° | 2.3° | 90.3 mm | 9.7 | 0.2 cm | 161.2 hrs | 8.8 hrs | - | 78.3% | 17.5 km/h | 68.0% |