Twin falls weather idaho In July, the warmest month, the average high temperature is 91.4 °F (32.9 °C), and the average low temperature is 58.4 °F (14.7 °C). The city experiences an average of 10 days with temperatures reaching 90 °F (32.2 °C) or higher during the summer months. The city receives an average of 11.5 inches (29.2 cm) of precipitation per year, with most of the precipitation falling during the winter and spring months. The city experiences an average of 200 sunny days per year, with an average of 7.8 hours of sunshine per day. The weather in Twin Falls can be quite variable, with sudden changes in temperature and weather conditions not uncommon. The city is located in a region that is prone to severe weather events, such as thunderstorms, hail, and high winds. Visitors to Twin Falls should be prepared for a wide range of temperatures and weather conditions, and should pack accordingly. The city is a popular destination for outdoor activities, such as hiking, fishing, and rafting, and the weather can have a significant impact on these activities. **State Highways** In July, the warmest month, the average high temperature is 91.4 °F (32.9 °C), and the average low temperature is 58.4 °F (14.7 °C). The city experiences an average of 10 days with temperatures reaching 90 °F (32.2 °C) or higher during the summer months. The city receives an average of 11.5 inches (29.2 cm) of precipitation per year, with most of the precipitation falling during the winter and spring months. The city experiences an average of 200 sunny days per year, with an average of 7.8 hours of sunshine per day. The weather in Twin Falls can be quite variable, with sudden changes in temperature and weather conditions not uncommon. The city is located in a region that is prone to severe weather events, such as thunderstorms, hail, and high winds.