Average daily temperatures in August
In August, you can expect hot summer weather throughout Spain. Daytime temperatures usually range from around 80°F (27°C) to 95°F (35°C) in the hotter southern inland regions. Nights stay warm, with temperatures typically between 64°F (18°C) and 72°F (22°C).
If you're hoping to swim, August is the perfect month, as the Mediterranean Sea reaches its warmest point, averaging about 77°F (25°C). The Atlantic Ocean also warms up to around 70°F (21°C), making the beaches on the northern and western coasts more inviting.
Basque Country
If you’re visiting the Basque Country in August, you’ll find pleasant temperatures, with highs around 77°F (25°C) and lows near 61°F (16°C). This region has some of the mildest summer weather in Spain, which is great if you're looking to avoid the more extreme heat found elsewhere.
Barcelona
In August, Barcelona is hot and sunny, with average highs of around 84°F (29°C) and lows of about 68°F (20°C). It’s perfect weather for enjoying the beach and other outdoor activities along the Mediterranean coast.
Madrid and Central Spain
In Madrid and central Spain, August brings some of the hottest weather of the year. Highs can reach up to 92°F (33°C) during the day, with nighttime temperatures around 64°F (18°C). This is significantly warmer than in spring or fall.
Seville and Southern Spain
Seville and southern Spain experience some of the hottest temperatures in Europe during August. You’ll find average highs reaching a scorching 97°F (36°C) and lows around 68°F (20°C). If you’re planning to visit, be prepared for some intense heat!