Mauna Loa, or 'Long Mountain' in Hawaiian, is located on the island of Hawaii. It rises 13,680 ft. (4,170 m) above sea level. Since 1832, Mauna Loa has erupted 39 times; it's last eruption was in 1984. Mauna Loa is a REALLY tall and big mountain. At 60 miles long and 30 miles wide, it makes up half of the entire island.
Turlock Average Weather. 1  The highest monthly average temperature in Turlock for July is 81 degrees. 2  The lowest monthly average temperature in Turlock for January is 46 degrees.  The most monthly precipitation in Turlock occurs in January with 2.4 inches.
In July, the average temperature in Calistoga is 73 degrees, with an average high of 92, and an average low of 53 degrees. The average rainfall in Calistoga for July is 0.03 inches. If you are planning to watch the 4th of July fireworks, you might consider bringing a light sweater, as chances are excellent that temperatures will dip to the 50âs during the evening. Napa Valley Weather by Month: January.