Step 1: Characteristics of station X's climate.
Station X experiences high temperatures in May, followed by a drop in temperature during the rainy season. The significant rainfall from June to September and the moderate temperatures indicate that the station is likely near a large body of water, such as the sea, which helps moderate temperatures and brings monsoon rains.
Step 2: Conclusion.
Given these characteristics, it is reasonable to conclude that station X is located near the sea.