Climate

The summer season is dry and hot. Temperature begins to rise from April and the month of May, June, July and August are extremely hot. June is the hottest month during which the mean maximum and minimum temperature is recorded around 42°C and 27°C respectively. In May and June the humidity is very low, the area is under periodic dust storms. The hot wind, known as "LOO" blow across the district. The cool wave starts somewhat in October, December, January, and February are the cold months. In winter the daytime temperature is not very low. However, there is sharp decrease at night. The weather is cold and the frost is severe. In January the mean maximum and minimum temperature is around 20°C and 4°C respectively.

The rainfall generally occurs in July and August. The amount of rainfall received is not very high, the maximum and minimum temperature, precipitation and relative humidity recorded at Dera Ismail Khan station is given in the following table1.2