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: Annual Weather Averages. July is the hottest month in Juneau with an average temperature of 14Â°C (57Â°F) and the coldest is January at -3Â°C (28Â°F) with the most daily sunshine hours at 7 in August. The wettest month is October with an average of 210mm of rain.