Viana do Castelo, Viana do Castelo Climate
Portugal
Pop. 36,148 Elev. 12 m / 39 ft
TZ: Europe/Lisbon (UTC+1) ·
Viana do Castelo has mild summers with average highs of 77°F (25°C) in August, and cool winters averaging 45°F (7°C) in December. Rain falls on about 96 days per year (81.7 in / 2074 mm total). The city averages 121 sunny days per year and around 67 thunderstorm days. Ocean water temperatures reach 65°F (18°C) in summer.
| Temperature | 25°C (77°F) high | 7°C (45°F) low |
| Feels like | 7°C (45°F) low | |
| Rain | 96 days | 2074 mm (81.7 in) /yr |
| Sky | 121 sunny | 67 stormy |
| Wind | 1.3 m/s (2.9 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Jun, Jul, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
73
Jan 79
Feb 54
Mar 64
Apr 43
May 47
Jun 25
Jul 30
Aug 48
Sep 55
Oct 70
Nov 70
Dec Humidity (%)
82
Jan 82
Feb 73
Mar 77
Apr 77
May 80
Jun 70
Jul 74
Aug 78
Sep 80
Oct 83
Nov 85
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 51 km Francisco de Sá Carneiro Airport (OPO)
Ski resort 142 km Estación de Esquí de Manzaneda
National park 76 km Parque Nacional Marítimo-Terrestre das Illas Atlánticas de Galicia
Mountain peak
(1,538 m) 66 km O Pico do Sobreiro
Hospital 0 km Hospital de Santa Luzia
Hiking trail 2 km Estação da Biodiversidade do Parque Ecológico Urbano de Viana do Castelo
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 14°C 57°F | 9°C 48°F | 409 mm 16.1 in | — | 4 |
| February | 14°C 58°F | 8°C 47°F | 128 mm 5.0 in | — | 1 |
| March | 16°C 60°F | 8°C 46°F | 180 mm 7.1 in | — | 11 |
| April | 18°C 65°F | 11°C 52°F | 225 mm 8.8 in | — | 5 |
| May | 20°C 68°F | 12°C 54°F | 87 mm 3.4 in | — | 14 |
| June | 23°C 74°F | 15°C 60°F | 69 mm 2.7 in | — | 11 |
| July | 25°C 77°F | 16°C 61°F | 14 mm 0.6 in | — | 23 |
| August | 25°C 77°F | 17°C 62°F | 17 mm 0.7 in | — | 19 |
| September | 21°C 71°F | 13°C 56°F | 74 mm 2.9 in | — | 11 |
| October | 21°C 69°F | 13°C 56°F | 179 mm 7.0 in | — | 11 |
| November | 15°C 60°F | 10°C 50°F | 399 mm 15.7 in | — | 6 |
| December | 13°C 56°F | 7°C 45°F | 295 mm 11.6 in | 3 mm0.1 in | 5 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 4 | 13 |
| February | 1 | 4 |
| March | 11 | 6 |
| April | 5 | 8 |
| May | 14 | 3 |
| June | 11 | 3 |
| July | 23 | 0 |
| August | 19 | 0 |
| September | 11 | 0 |
| October | 11 | 7 |
| November | 6 | 12 |
| December | 5 | 11 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 15°C 59°F | 12°C 53°F |
| February | 14°C 58°F | 11°C 53°F |
| March | 15°C 58°F | 12°C 53°F |
| April | 17°C 62°F | 14°C 58°F |
| May | 17°C 62°F | 18°C 64°F |
| June | 18°C 64°F | 21°C 70°F |
| July | 17°C 63°F | 22°C 71°F |
| August | 18°C 64°F | 23°C 73°F |
| September | 18°C 65°F | 19°C 67°F |
| October | 16°C 61°F | 18°C 64°F |
| November | 17°C 62°F | 15°C 59°F |
| December | 15°C 59°F | 12°C 54°F |