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.
5.2. The highest average temperature in Juneau is July at 56.3 degrees. The coldest average temperature in Juneau is January at 27.9 degrees. The most monthly precipitation in Juneau occurs in October with 10.3 inches. The Juneau weather information is based on the average of the previous 3-7 years of data.