Studies have found that adequate water supply and sanitation â which reduces contact with contaminated surface water â could reduce infection rates by 77 per cent. Trachoma. Trachoma is an eye infection spread mainly through poor hygiene caused by lack of adequate water supplies and unsafe environmental sanitation conditions. About 6 million people are blind today because of trachoma.
Average Weather in December in New York City New York, United States. In New York City, the month of December is characterized by falling daily high temperatures, with daily highs decreasing by 7Â°F, from 49Â°F to 42Â°F over the course of the month, and rarely exceeding 61Â°F or dropping below 30Â°F.
Temperatures of 100 degrees Fahrenheit are not normal for New York. The city averages just 12 days a year when the thermometer peaks at 90 Â°F or more.ow Often New York City Has Cold Temperatures. Low temperatures that drop below freezing are common in New York throughout winter. As well, November and April usually get the occasional night of frosty weather. New York on average has three nights a year when the thermometer sinks to 10 Â°F or lower.