Rhodochrosite: Specimen of rhodochrosite from the Sunnyside Mine, San Juan County, Colorado. Rhodochrosite is a manganese carbonate mineral (MnCO3) that is used as an ore of manganese and is also cut as a gemstone.
Climate for Juneau, Alaska. Juneau's coldest month is January when the average temperature overnight is 20.7Â°F. In July, the warmest month, the average day time temperature rises to 64.3Â°F. The driest month in Juneau is April with 2.96 inches of precipitation, and with 8.30 inches October is the wettest month.
Juneau usually receives an average of 3.36 inches of rain during the month. June Juneau Weather records show that on June 30, 1996 Juneau received 2.26 inches of rain, the most rain measured in a single day in June.ational Weather Service historical Juneau June Weather data indicates that on June 3, 1972, the recorded high did not exceed 45 degrees Fahrenheit, the lowest high measured in Juneau in the past 66 years.