November is when fall starts to turn to winter (more so in the north of Spain than in the south) and the weather will change accordingly. Sunny and chilly in the south and liable to be just chilly in the rest of the country.
Spain doesn't get as much rainfall as other European countries, but showers are a possibility at any time of year.
Remember that we're talking averages here. Weather throughout the world is unpredictable, so don't take what you read on this page as gospel.
Weather in Madrid in November
Main article: Weather in Madrid in November
Madrid is one of the driest cities in Spain, but that doesn't mean you won't get some rain in November. Temperatures should be pleasant but not especially warm. Bring a jacket for the evening and waterproofs or an umbrella, just in case.
The average maximum temperature in Madrid in November is 57°F/14°C and the average minimum temperature is 39°F/4°C. But averages only tell half the story - click on the above link for the other half.
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Weather in Barcelona in November
Main article: Weather in Barcelona in November Temperatures tend to be cool but not cold, with a fair bit of sun, though don't be surprised by overcast days. Sunbathing isn't an option, nor is swimming in the sea!
The average maximum temperature in Barcelona in November is 63°F/17°C and the average minimum temperature is 46°F/8°C. But averages don't tell the whole story - click on the link above for a better idea of weather in Barcelona in November.
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Weather in Andalusia in November
Those seeking 'winter sun' will be pleased to know that Andalusia is the one place in Spain where it may be possible to sunbathe in November. However, there's no guarantee you'll come away bronzed as the weather can vary considerably. Seville tends to be the warmest city in Andalusia. Rain is not unexpected.
The average maximum temperature in Malaga in November is 66°F/19°C and the average minimum temperature is 52°F/11°C.
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Weather in Northern Spain in NovemberThe weather in November in the Basque Country and surrounding regions can be unpredictable. Rain and cold weather is common, but I've seen warm and sunny weather in San Sebastian in December, so anything is possible.
The average maximum temperature in Bilbao in November is 63°F/17°C and the average minimum temperature is 48°F/9°C.
Weather in North-West Spain in November
Galicia is by far Spain's wettest region. You should expect rain in November in Galicia. Bring umbrellas - yes, that's plural, as the wind might destroy your first one - it did mine! But while it will be wet, it shouldn't be too cold.
The average maximum temperature in Santiago de Compostela in November is 60°F/16°C and the average minimum temperature is 51°F/11°C.
Read more about North-West Spain