Last updated: March 2, 2024
The weather in Viana do Castelo, Portugal, during March is characterized by an average temperature of 12°C (53°F). Highs can soar to 20°C (69°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Viana do Castelo throughout March hovers around 78%.
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Average temperature
Maximum temperature
Humidity
In March, Viana do Castelo averages 186 mm (7.3 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 11 hours 57 minutes of daylight, with the sun shining for approximately 9 hours 17 minutes each day. Additionally, there is a 58% probability of sunny days during this period.
Precipitation
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Chance of sun
In March, the UV Index in Viana do Castelo reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 2 | 3 | 5 | 5 | 6 | 6 | 5 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||