The weather on the Senda Litoral is usually warm and sunny, but sometimes partly cloudy. There might be some rain, but usually not much.
If you start your journey in Porto, in Northern Portugal, you can expect the daily maximum temperature to be around 24-27 degrees Celsius. The cooler nightly temperature drops to around 16-17 degrees Celsius, providing a break from the day's heat. Areas like Porto Mougás and Vila Chã might have some cloud cover or light rain.
Once you enter Spain, the weather stays similar. As you move further into Spain, towards Padrón and Santiago de Compostela, it might rain a bit more. There, you could see more clouds and even heavy rain sometimes. But, this is not common.
In short, you can expect decent weather on this route: some rain, but mostly sun or light clouds. Daily highs average in the mid-20s and lows in the mid-to-high teens in degrees Celsius. And, remember to prepare for the chance of rain.
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