Raleigh NC Weather Forecast In Raleigh, the climate changes significantly, with moderate to scorching weather experienced all year. Throughout the year, you can experience pleasant summers, cool autumns, frigid winters, and mild springs. On average, the annual average climate in Raleigh is about XX degrees Fahrenheit or XX degrees Celsius. Don't forget to monitor the temperatures prior to any open-air activities in order to dress suitably and enjoy your time in Raleigh.