With tropical weather, Maldives is sunny and warm round the year. From May to November, it experiences the Southwest Monsoon, when you may find rough sea and thunderstorm for some time but it is normal for rest of the day.
Especially during June, it is very lovely and warm weather with possibility of occasional tropical rain, which is best experienced during these times. If you love surfing, June is one of the best months to visit Maldives. For scuba divers visiting in June, eastern coasts are preferred to enjoy the reef sharks, jacks and other colorful fishes.