Climate & Weather in Viana do Castelo, 🇵🇹 Portugal - Monthly Averages, Forecast & Air Quality
🇵🇹 Viana do Castelo,
Portugal
#2329
Nomad Score
6.6
Coords
41.6948670, -8.8310880
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CURRENT CONDITIONS
Temperature
27.3°C
/
17.9°C
Feels Like
29.8°C / 18.2°C
Weather
🌤️ Overcast
Humidity
%
Wind
6.2 km/h
(gusts 15.8)
UV Index
6.7
Sunrise / Sunset
07:03
/
20:05
Daylight
13.0 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Thu 3 Sep | 🌤️ Overcast | 27.3° | 17.9° | 0% |
| Fri 4 Sep | 🌫️ Fog | 25.2° | 18.4° | 0% |
| Sat 5 Sep | 🌫️ Fog | 23.4° | 17.2° | 3% |
| Sun 6 Sep | 🌫️ Fog | 23.4° | 17.5° | 8% |
| Mon 7 Sep | 🌤️ Overcast | 23.3° | 18.1° | 3% |
| Tue 8 Sep | 🌤️ Overcast | 23.4° | 17.5° | 3% |
| Wed 9 Sep | 🌫️ Fog | 23.0° | 19.8° | 3% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| July | Excellent | 22.7°C | 16.5°C | 4.3 |
| August | Excellent | 22.6°C | 16.6°C | 3.3 |
| September | Good | 21.1°C | 15.7°C | 11.0 |
| June | Good | 21.0°C | 15.4°C | 9.6 |
| May | Good | 19.0°C | 12.9°C | 10.3 |
| April | Fair | 17.5°C | 11.1°C | 11.6 |
| October | Fair | 19.8°C | 14.6°C | 15.3 |
| March | Fair | 15.5°C | 9.1°C | 13.5 |
| November | Poor | 16.6°C | 11.5°C | 15.0 |
| February | Poor | 14.8°C | 8.8°C | 11.7 |
| January | Poor | 13.6°C | 8.2°C | 13.2 |
| December | Poor | 14.4°C | 9.7°C | 16.5 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
37
🟢 Good
US Air Quality Index
European AQI: 27
PM2.5
4.2 µg/m³
PM10
9.5 µg/m³
Ozone
68.0 µg/m³
NO₂
2.1 µg/m³
SO₂
0.2 µg/m³
CO
138.0 µg/m³
UV Index
0.0
Dust
0.0 µg/m³
Pollen
🌾 Grass
0.3
🌳 Birch
0.0
🌿 Ragweed
0.0
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | Precip | Rain Days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 13.6° | 8.2° | 10.7° | 11.2° | 4.9° | 203.8 mm | 13.2 | 0.2 cm | 195.3 hrs | 9.5 hrs | - | 79.5% | 22.6 km/h | 57.5% |
| Feb | 14.8° | 8.8° | 11.7° | 12.7° | 6.0° | 147.1 mm | 11.7 | 0.0 cm | 212.8 hrs | 10.6 hrs | - | 78.6% | 22.3 km/h | 60.4% |
| Mar | 15.5° | 9.1° | 12.3° | 13.5° | 6.4° | 153.8 mm | 13.5 | 0.2 cm | 266.6 hrs | 12.0 hrs | - | 77.3% | 24.1 km/h | 59.2% |
| Apr | 17.5° | 11.1° | 14.3° | 16.8° | 9.0° | 116.7 mm | 11.6 | 0.0 cm | 321.0 hrs | 13.4 hrs | - | 77.3% | 22.4 km/h | 59.5% |
| May | 19.0° | 12.9° | 16.0° | 18.8° | 11.3° | 90.3 mm | 10.3 | 0.0 cm | 368.9 hrs | 14.6 hrs | - | 77.4% | 23.0 km/h | 53.8% |
| Jun | 21.0° | 15.4° | 18.2° | 21.9° | 14.8° | 68.9 mm | 9.6 | 0.0 cm | 381.0 hrs | 15.2 hrs | - | 81.9% | 22.0 km/h | 50.5% |
| Jul | 22.7° | 16.5° | 19.6° | 23.6° | 16.0° | 25.2 mm | 4.3 | 0.0 cm | 409.2 hrs | 14.8 hrs | - | 78.3% | 23.7 km/h | 32.9% |
| Aug | 22.6° | 16.6° | 19.5° | 23.5° | 16.6° | 17.1 mm | 3.3 | 0.0 cm | 375.1 hrs | 13.8 hrs | - | 81.4% | 22.2 km/h | 38.1% |
| Sep | 21.1° | 15.7° | 18.3° | 21.7° | 15.1° | 128.7 mm | 11.0 | 0.0 cm | 303.0 hrs | 12.5 hrs | - | 81.3% | 21.1 km/h | 50.9% |
| Oct | 19.8° | 14.6° | 17.1° | 19.8° | 13.4° | 284.4 mm | 15.3 | 0.0 cm | 223.2 hrs | 11.1 hrs | - | 84.2% | 22.9 km/h | 63.0% |
| Nov | 16.6° | 11.5° | 14.0° | 15.0° | 9.4° | 232.9 mm | 15.0 | 0.0 cm | 198.0 hrs | 9.8 hrs | - | 80.5% | 22.9 km/h | 63.8% |
| Dec | 14.4° | 9.7° | 11.9° | 12.5° | 6.8° | 241.5 mm | 16.5 | 0.0 cm | 179.8 hrs | 9.2 hrs | - | 81.2% | 23.0 km/h | 61.7% |