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.
Weather in Juneau in July 2018. Expect 16Â°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Juneau in July. Check more long-term weather averages for Juneau in July before you book your next holiday to Alaska in 2018. 1  Juneau weather overview. 2  Juneau monthly weather. 3  Juneau 5-day forecast. 4  Alaska holidays. 5  Alaska map. 6  More destinations. 7  Back to Alaska.