Tennessee was the last state to leave the Union and join the Confederacy at the outbreak of the U.S. Civil War in 1861, and the first state to be readmitted to the Union at the end of the war.
Vancouver: Annual Weather Averages. August is the hottest month in Vancouver with an average temperature of 18Â°C (64Â°F) and the coldest is January at 4Â°C (38Â°F) with the most daily sunshine hours at 13 in July.The wettest month is November with an average of 200mm of rain.The best month to swim in the sea is in July when the average sea temperature is 14Â°C (57Â°F).he wettest month is November with an average of 200mm of rain. The best month to swim in the sea is in July when the average sea temperature is 14Â°C (57Â°F).
Weather in Vancouver, WA. Vancouver, Washington, offers a year-round mild climate. The summer temperatures average in the upper 70âs and the winter temperatures rarely dip below freezing.The Vancouver area averages 39.2 inches of rain annually, which is about the national average.he summer temperatures average in the upper 70âs and the winter temperatures rarely dip below freezing. The Vancouver area averages 39.2 inches of rain annually, which is about the national average.