Climate of Viana do Castelo, Portugal
Area-weighted average across Viana do Castelo. For where people actually live and travel, see the cities below.
Viana do Castelo, a subdivision of Portugal, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 7.6°C / 45.7°F in January to 19.3°C / 66.7°F in July, with rainfall from 28 mm / 1.1 in to 219 mm / 8.6 in depending on the season (1516 mm / 59.7 in total across the year).
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 7.6°C45.7°F | 197 mm7.8″ | — |
| February | 8.3°C46.9°F | 180 mm7.1″ | — |
| March | 10.1°C50.2°F | 140 mm5.5″ | — |
| April | 11.5°C52.7°F | 120 mm4.7″ | — |
| May | 13.9°C57°F | 111 mm4.4″ | — |
| June | 17.2°C63°F | 64 mm2.5″ | — |
| July | 19.3°C66.7°F | 28 mm1.1″ | Sunny & Mild |
| August | 19.1°C66.4°F | 33 mm1.3″ | Sunny & Mild |
| September | 17.5°C63.5°F | 85 mm3.3″ | — |
| October | 14.2°C57.6°F | 158 mm6.2″ | — |
| November | 10.4°C50.7°F | 181 mm7.1″ | — |
| December | 8.1°C46.6°F | 219 mm8.6″ | — |
Frequently asked questions
What is the best time to visit Viana do Castelo?
The best months to visit Viana do Castelo, Portugal for sunny, dry weather are July, August. The warmest month is July at an area-wide average of 19.3°C / 66.7°F, and the driest is July with about 28 mm / 1.1 in of rainfall.
What is the climate of Viana do Castelo?
Viana do Castelo, Portugal has area-weighted monthly average temperatures ranging from 7.6°C / 45.7°F in January to 19.3°C / 66.7°F in July. Annual rainfall averages about 1516 mm / 59.7 in, with the wettest month being December (219 mm / 8.6 in) and the driest July (28 mm / 1.1 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Viana do Castelo?
The hottest month in Viana do Castelo is July, with an area-wide average temperature of 19.3°C / 66.7°F.
What is the coldest month in Viana do Castelo?
The coldest month in Viana do Castelo is January, with an area-wide average temperature of 7.6°C / 45.7°F.
When does it rain most in Viana do Castelo?
The wettest month in Viana do Castelo is December, averaging about 219 mm / 8.6 in of rainfall. The driest is July with about 28 mm / 1.1 in.