Raleigh NC Weather Forecast In Raleigh, the temperature fluctuates drastically, with mild to scorching weather experienced all year. During different seasons, you can experience warm seasons, nippy falls, frigid seasons, and moderate springs. In general, the annual average climate in Raleigh is about XX degrees Fahrenheit or XX degrees Celsius. Don't forget to check the temperatures prior to any open-air activities in order to dress suitably and enjoy your time around Raleigh.