Madrid has a continental climate with extremes that can catch visitors by surprise — baking hot summers and occasionally cold winters, but a very long, pleasant spring and autumn. The best months to visit are May, June, September, and October, when temperatures are comfortable for walking and exploring, hotel prices are reasonable, and the city is lively without the crushing summer heat.
Spring in Madrid (March–May)
Madrid's spring is splendid. Temperatures climb from around 12°C in March to a warm 22–24°C by late May, with increasing sunshine and the Retiro park in full bloom. Easter week (Semana Santa) brings religious processions through the streets — solemn and impressive. The San Isidro festival in mid-May is Madrid's most important fiesta: bullfights at Las Ventas (the world's premier bullfighting arena), outdoor concerts, traditional dance in the Pradera de San Isidro, and neighbourhood celebrations across the city for a full week. The art museums are busy but manageable, the outdoor café terraces open up, and the long evenings of late May make the city especially enjoyable. Hotel prices are moderate in March–April, rising in May as demand increases.
Summer in Madrid (June–August)
Madrid's summer is hot — seriously hot. July and August regularly see temperatures above 35°C, occasionally reaching 40°C. Madrid is one of the hottest capitals in Europe in summer, and the heat can make intensive sightseeing uncomfortable between midday and 4pm. The Spanish solution is sensible: embrace the siesta, plan outdoor activities for early morning and evenings, and enjoy the city's fantastic outdoor terrace culture after dark. The summer evenings are magical: terraza bars in Retiro park, open-air cinemas, and streets alive until 2–3am. Many locals leave the city in August, meaning some neighbourhood restaurants close but tourist infrastructure remains fully operational. Hotel prices are high in June but often drop slightly in August when domestic tourism falls. The La Paloma festival in La Latina in August is a lively local fiesta worth catching.
Autumn in Madrid (September–November)
Autumn is Madrid's golden season. September retains summer warmth (24–28°C) but with lower humidity and the return of the local population from their summer holidays — meaning restaurants reopen and the city buzzes with renewed energy. October is perhaps the perfect Madrid month: 18–22°C, the Retiro park blazing with autumn colour, and the cultural season in full swing — new theatre productions, gallery openings, and the contemporary art fair ARCO Madrid in February having kicked off the autumn art calendar. November cools to 12–15°C and brings more rain but remains perfectly pleasant for city exploring. Hotel prices ease from mid-September, making autumn excellent value.
Winter in Madrid (December–February)
Madrid's winters are cold and occasionally very cold — December through February averages 8–12°C with nights dropping to near freezing. Snow falls perhaps once or twice a season and creates a magical atmosphere in the old city. December is festive: the Christmas lights along Gran Vía are spectacular, the Plaza Mayor hosts a traditional Christmas market, and the city celebrates New Year's Eve at the Puerta del Sol (one of Spain's most famous traditions — eating twelve grapes at midnight). January and February are the quietest and cheapest months, with hotel rates sometimes half the spring/summer price. The Prado, Reina Sofía, and Thyssen are far less crowded — an art lover's winter retreat.
Avoiding the Crowds
The Prado Museum is best visited on Tuesday–Saturday evenings (free entry from 6pm until 8pm) when the crowds are thinner and the light through the neoclassical windows is beautiful. The Reina Sofía offers free entry on Saturday afternoons and Sunday mornings. For the El Rastro flea market, arrive by 9–10am to browse before the crowds make movement difficult — it winds down by 2pm. The historic centre around Puerta del Sol and the tapas bars of La Latina are at their busiest on weekend evenings; for a more relaxed experience, explore on weekday evenings or Sunday mornings. For the best combination of value, comfort, and city atmosphere, aim for the first two weeks of October — consistently excellent across all measures.