If you're looking for summer vibes, the best time to travel to Merry Island is in July, August and May, when the average temperature reaches 15.09 °C, while May, August and July are the 3 sunniest months of the year, with an average of 53.45 hours.
However, if you prefer colder temperatures, make sure you visit Merry Island during January, February or December to experience an average of -0.95 °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 June, January and February, when the average precipitation in Merry Island is 11.25 mm, while the months of January, February and March are drier, with an average of 0 mm.