RECOMMENDED: The best things to do in Fuerteventura. What is the average temperature in Fuerteventura during each month of the year? The average temperature in Fuerteventura varies throughout the year. In January, the average temperature is around 18°C (64°F), while in August, it can reach up to 28°C (82°F). The weather is generally mild and pleasant, making … Continue reading Fuerteventura Weather by Month: A Comprehensive Guide