What to do. 1  Mix small amount of each food sample with distilled water to make a test liquid. 2  To a test tube, add 40 drops of liquid to be tested. 3  If testing more than one liquid, label each test tube with a marker.  Add 10 drops of Benedict's solution to each test 1  tube. Note any color change.
Niagara Falls: Annual Weather Averages. July is the hottest month in Niagara Falls with an average temperature of 22Â°C (72Â°F) and the coldest is January at -4Â°C (25Â°F). Average Temperature: Niagara Falls.
Best Times to Visit Niagara Falls. The best time to visit Niagara Falls is June to August. Summer is peak season, and with good reason: Average highs rest in the low 80s. Mists and breezes from the waterfalls can make the area feel cooler. You'll spend more money and face more crowds, but visiting in summer will allow you take full advantage of the weather and attractions.