Riyadh's weather is characterized by scorching summers and mild winters, with temperatures rarely dropping below 10°C. Spring and autumn are pleasant periods with moderate temperatures, while the peak summer months of June, July, and August bring extreme heat, often exceeding 45°C. Winters are relatively cool, with average highs ranging from 16°C to 18°C during January and December. The temperature fluctuations between day and night can be significant throughout the year, especially during the summer months. Overall, Riyadh's climate is hot and dry most of the time, with very little rainfall throughout the year.