While most of these are examples of hazards that come from outdoor sources, environmental health hazards may also be found indoors. Toxins such as radon gas, lead and asbestos are all sources of indoor environmental hazards.
Climate for Columbus, Ohio. Columbus's coldest month is January when the average temperature overnight is 20.3Â°F. In July, the warmest month, the average day time temperature rises to 85.3Â°F.
Cincinnati: Annual Weather Averages. July is the hottest month in Cincinnati with an average temperature of 25Â°C (77Â°F) and the coldest is February at 1Â°C (34Â°F) with the most daily sunshine hours at 9 in July. The wettest month is May with an average of 106mm of rain. Loading weather data.