Plant roots spread out on the surface to take in water. They don't grow deep because the soil is always freezing and thawing which breaks up roots. One of their adaptions to the cold climate is tiny hairs on their leaves to help keep in moisture. The animals of the tundra include fish, birds, mammals and insects.
7.6. The highest average temperature in Salem is July at 69.1 degrees. The coldest average temperature in Salem is December at 38.8 degrees. The most monthly precipitation in Salem occurs in December with 7.6 inches. The Salem weather information is based on the average of the previous 3-7 years of data.he Salem, OR air quality index is 3.7% less than the Oregon average and 37.6% less than the national average.
This report describes the typical weather at the McNary Field (Salem, Oregon, United States) weather station over the course of an average year. It is based on the historical records from 1974 to 2012.Earlier records are either unavailable or unreliable.he warm season lasts from June 27 to September 17 with an average daily high temperature above 76AÂ°76Ã¢. F the hottest day of the year Is july, 30 with an average high OFÂ°83a 83Ã¢ f and LOWÂ°Of. 55a 55Ã¢ f the cold Season lasts from November 12 to february 28 with an average daily HIGHÂ°Temperature. below 53a 53Ã¢ f