If you're looking for summer vibes, the best time to travel to Fajardo is in June, July and August, when the average temperature reaches 31.27 °C, while December, October and January are the 3 sunniest months of the year, with an average of 62.48 hours.
However, if you prefer colder temperatures, make sure you visit Fajardo during January, February or March to experience an average of 22.64 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during March, December and January, when the average precipitation in Fajardo is 10.5 mm, while the months of January, February and March are drier, with an average of 0 mm.