In Doha, the daily average temperature goes from 18.5 degrees Celsius (65 °F) in January, to 37 °C (99 °F) in July. Here are the average temperatures of Doha.
The prevailing wind is moist and blows from the north-west, more frequently in the summer months. Another wind, hot and dry, can blow throughout the year, but preferably in spring; it blows from the south and it’s able to raise the temperature to about 30 °C (86 °F) in winter and to about 40 °C (104 °F) and above from April to October, while drastically lowering relative humidity; it is also able to raise dust and sand storms.
The scarce rainfall occurs during the winter months, and it amounts to less than 100 millimetres (4 inches) per year. Every now and then, some rains may occur also in spring, in March, April and even May, while in summer it never rains. The rains in Qatar occur in the form of brief but sometimes heavy showers, which can sometimes fill the wadis, the river beds which remain dry most of the year, and cause even flooding.
Here is the average precipitation in the capital Doha.