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.
A warm summer day in Juneau means temperatures in the 70s Fahrenheit. The city normally sees 17 days a year above 69 degrees, which show up sporadically from May until September. Just once a year on average, one day here heats up to 80 Â°F. Days per month in Juneau of at least 50, 60 or 70 Â°F.