1 Mean relative humidity for an average year is recorded as 71.1% and on a monthly basis it ranges from 63% in July to 77% in January.  Hours of sunshine range between 5.6 hours per day in January and 12.3 hours per day in July.
Formation of the United Nations. The United Nations was created October 24, 1945 shortly after WWII. With the war coming to a climax those who had faced off against the Axis powers never wanted a war of this scale to happen ever again. So these countries decided to meet in San Francisco in the April of that same year.
The United States and the Founding of the United Nations. (August 1941 - October 1945) United Nations: Table of Contents | UN & Israel | Security Council. The impetus to establish the United Nations stemmed in large part from the inability of its predecessor, the League of Nations, to prevent the outbreak of the Second World War.