Fethiye Weather is known for its typical Mediterranean climate with hot and humid summers, mild winters and with short duration of Spring and Autumn. January and February are the wettest months, thus the best time to visit Fethiye would be the early or late season; May, June, September and October, when the weather is comfortable to roam around and enjoy the beaches.
Summers (June to early September): Summers are hot and humid with little wind and rain. Temperatures reach highs of 39 degree Celsius in August, and average 34 degree Celsius. However, June is great for sunbathing and swimming. As summer is the off-season, you can visit the rugged coastline of Fethiye which otherwise remains crowded during peak season.
Fall (late September to November): The temperature in this season starts decreasing gradually. Specially in the month of October, the temperature becomes quite pleasant making the water comfortable for swimming. However, the evenings become quite cooler. So, carry a shawl or a cardian just to wrap around yourself.
Winters (December to February): Winter months are cool and mostly sunny with daytime high of 16 degrees Celsius and low of 4 degrees Celsius.
Spring (March to May): In Fethiye, the spring is very special. As you look around you can recognize the transition of the nature from winter to spring. With newly born fruits like orange, olive and grape, the surrounding trees look colorful. Moreover, the soothing day temperature makes Fethiye perfect for beach bumping.
Hence, if you are planning to visit Fethiye choose Spring season. But if you wish to avoid the crowd, then consider summer season to visit this city.