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.
This report describes the typical weather at the Juneau International Airport (Juneau, Alaska, United States) weather station over the course of an average July. It is based on the historical records from 1974 to 2012.rom the start to the end of the month, the length of the day decreases by 1:37 hours, implying an average day-over-day decrease of 3.1 minutes. The shortest day of the month is July 31 with 16:31 hours of daylight; the longest day is July 1 with 18:09 hours of daylight.