When is the best time to book a hotel with a pool in Tharsis?
You may want to think about a place to stay that offers an outdoor pool if you plan to visit Tharsis in the hottest months of August, July, or June when the average temperature is 77°F. Lodging offering an indoor pool may be the way to go if you visit during the coldest months of January, February, or December when the average temp is 55°F.