The population was 5,586 at the 2000 census and 5,764 at the 2010 census. Sweetwater is the home of the Craighead Caverns which contains the Lost Sea, the United States' largest underground lake.
2011, The HOTTEST Year for Texas. Tweet. For most of Texas, 2011 is now the hottest year on record while city after city shatter records of 100 degree days. Texas is in a severe drought, only averaging about 1 inch of rain during July, and in many areas things are becoming desperate.
How hot is Texas in the summer? Houston, Dallas and San Antonio commonly don't get below 90 deg F at night during the months of July and August and into early September. Common temperatures are mid to high 9â¦0s during the day with lots of humidity.