The weather slightly differs in various regions of Maui. The weather is different in all the main regions of Maui including Windward West, Central Valley, Windward Haleakala, Leeward West, Haleakala Summit, and Leeward Haleakala. The average rainfall in Maui is about 400 inches per year. The region in Leeward West receives more sunshine than other parts of the Maui Island. Because the Leeward West receives more sunshine, it is warmer. The Lahaina town experiences a wetter weather compares to the Kihei area. The intense heat in the Leeward West causes it to be susceptible to wild bush fire.
In Leeward Haleakala, the weather is quite dry as well. Some of the regions in Leeward Haleakala include Wailea, Makena Beach, and Maui meadows. In some parts in Makena, there are more rains. The meadow of Maui is much cooler compare to the other areas in Kihei. Usually, the climate will be cooler in higher lands. Clouds can be seen in the Kahoolawe region. You can also see clouds surrounding the summit of the volcano crater. It is common to see thick cloud formation in the southern region of Makena Beach. Leeward Haleakala comprises two regions including south Maui and upcountry Maui. The upcountry Maui has a much cooler and wetter weather compares to South Maui. The land in Leeward Haleakala has a higher elevation so the air is much cooler. In the ancient times, the Hawaiians will travel up the mountain to cool themselves during the summer.
The Windward Haleakala region receives the largest rainfall compare to the other tall mountains in Haleakala. The winds from the ocean will blow towards this region. It gets about three-quarter of the rainfall in Halakala. There is a chance that it will rain when you are driving to the Road to Hana.
The Haleakala summit reaches up to 10,000 feet. The tall height of the Haleakala volcano crater causes the temperature to be very low. The temperature at the summit of Haleakala Crater is 0 F. If you want to visit the Haleakala summit, you should dress warmly. You can visit the Haleakala summit by taking a helicopter tour. You can also watch sunrise at the Haleakala summit. Most of the time, the sky will be cloudy when the sun is rising. If there is no cloud, you will be able to have a clear view of the sunrise. You can also watch the sunset scenery from the summit of the Haleakala Mountain.