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.
What is the usual temperature in New York City in summer? Summers in New York City are typically very warm & humid with average high temperatures of 79 to 84Â°F (26 to 29Â°C) and lows of 63 to 69Â°F (17 to 21Â°C). But it is not uncomâ¦mon for New York City to have heat waves where the temperatures soar well into the 90s F (32.2+), and occasionally even into the 100s F (37.7+ C).