Khobar has a desert climate (Köppen climate classification: Csa), with very hot, humid summers and cold, dry winter.
Its average annual temperature is 33 °C (91 °F) during the day and 22 °C (72 °F) at night. In the coldest month – January, the temperature typically ranges from 12 to 22 °C (54 to 72 °F) during the day to 3 to 18 °C (37 to 64 °F) at night. In the warmest month, June, the typical temperature ranges from 36 to 50 °C (97 to 122 °F) during the day to about 33 °C(91 °F) at night. Generally – the summer / "holiday" season lasts about six months, from May to October. Two months – April and November – are transitional; sometimes the temperature exceeds 48 °C (118 °F), with an average temperature of 37–50 °C (99–122 °F) during the day and 24–36 °C (75–97 °F) at night. December, January and February are the coldest months, with average temperatures around 11 °C (52 °F) during the day and 5 °C (41 °F) at night. Large fluctuations in temperature are rare, particularly in the summer months
