May is the wettest month of the year in Oklahoma and has the highest incidence of tornadoes. The average high temperatures are in the comfortable 70°F (21.1°C) to 80°F (26.7°C), while the nights are in the average range of 56°F (13.3°C) to 62°F (16.7°C). Oklahoma City in the center of the state registers temperatures in the 60°F (15.6°C) to 80°F (26.7°C). The precipitation ranges from 3" (76mm) in the west to 7" (178mm) in the east. Hiking, mountain biking, and horse riding are popular activities during the bright days of spring. There is an abundant supply of trout in the rivers and lakes that garners the interest of fish lovers during spring. State parks have diverse animal and plant species, and the clear weather is perfect for watching the fantastic sunsets. Late spring is a time to usually avoid a visit to Oklahoma with the frequent occurrence of storms. Tornadoes pose the greatest danger during May in Oklahoma, and the month routinely encounters more than 20 twisters.