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Grasslands receive about 500 to 950 mm of rain per year compared to deserts, which receive less than 300 mm and tropical forests, which receive more than 2,000 mm. While temperatures are often extreme in some grasslands, the average temperatures are about -20°C to 30°C.
Temperate grassland biome is characterized by fairly low rainfall (20-35 inches) throughout the year. The most rainfall occurs in late spring and early summer where convectional precipitation takes place.
Grassland average temperature ranges from over 100 degrees F in summer to below 0 degrees F in winter. Average grassland rainfall amounts vary from 9.8 to 35 inches per year, with extremes ranging from 12 to 79 inches of rain. Most precipitation falls in winter and spring followed by dry summers.
Temperate grassland average rainfall varies within the ecosystem. There are two main categories of temperate grasslands: prairies and steppes. A prairie is a grassland that is dominated by tall grasses; a steppe is a grassland dominated by shorter grasses.
Temperate grasslands receive low to moderate annual precipitation on average (20 to 35 inches). Most of this precipitation is in the form of snow in northern hemisphere grasslands....
The temperature in temperate grasslands varies greatly depending upon the time of the year, and temperatures vary more from summer to winter. Seasonal temperature variation may be slight in tropical grasslands but varies by as much as 40 °C (72 °F) in temperate grassland areas.
Temperate grasslands receive an average of 19.7-34.6 in (500-880 mm) of rainfall per year. This amount of rainfall is enough to sustain grasses but not enough to sustain trees. It’s this factor, plus the occurrence of fires in the region, that creates the grassland environment.
Precipitation in the temperate grasslands usually occurs in the late spring and early summer. The annual average is about 50.8 to 88.9 cm (20-35 inches). The temperature range is very large over the course of the year.
The climate of temperate grasslands is characterized by moderate temperatures, with warm summers and cold winters. The average annual precipitation is moderate, typically between 30 and 60 centimeters (12-24 inches), and mostly occurs during the summer months.
Climate: Semiarid, continental climates of the middle latitudes (Koeppen’s BSk climate type) typically have between 10 and 20 inches of precipitation a year. Much of this falls as snow, serving as reservoir of moisture for the beginning of the growing season.