Winters in Oum el Bouaghi are cold, with temperatures ranging from -5°C to 25°C, averaging around 8-11°C. The coldest months are January and December, while February is slightly warmer. Springs bring mild temperatures, gradually increasing towards the end of April, which can reach up to 31°C on average. Summers are hot, with July and August being the warmest months, averaging around 29°C, while daytime temperatures often exceed 40°C. Autumns see a slight decrease in temperature, but October is still relatively mild, ranging from 4-35°C, before dropping again in November and December.