The numbers here tell you how hot and cold the weather usually is in Minneapolis, Minnesota during each month of the year. The average high and low temperatures are listed below monthly and annually for Minneapolis, in both degrees Fahrenheit and Celsius. Maximums and minimums are only part of the temperature picture.
A rooftop antenna, while well-suited for receiving television signals, can also draw lightning in inclement weather. A lightning strike to a TV rooftop antenna can be dangerous, both to the antenna as well as to the electronic equipment connected to it.
Rain attenuation has a relate directly to transmitted frequency, the higher the frequency, the bigger rain attenuation is. Since on the customer side (downlink from the satellite) the antenna dish diameter is low (typically 60 to 100 cm), and since antenna gain is a function of the diameter, its susceptible to rain attenuation. This is why heavy rain jam your reception.