ClimateImpactsOnline for Jordan

There are two main seasons in Jordan. The rainy season lasts from October to May, with the months from December to March characterized by heavy rainfall. These are followed by hot and dry summers from April to November. Being a primarily arid to semi-arid country, annual precipitation is very low, amounting to only 110 mm on average. The average air temperature amounts to 19 °C. However, temperature and precipitation levels vary significantly across the landscapes and between the seasons. In the Jordan Rift Valley, average annual rainfall ranges between around 100 and 300 mm, reaching a maximum of nearly 400 mm in the very northeast of the country. The average temperature amounts to between 17 and 21 °C, with hot summer temperatures rising to between 38 and 39 °C. In the most populated Mountain Heights Plateau, temperatures range between around 17 and 19.5 °C, while precipitation varies from around 350 mm in the northern to only around 50 mm in the very southern highlands. The Eastern Desert (Badia Region) experiences average temperatures of between 18.5 and 21 °C, with relatively mild winters and hot summers (26–29 °C). Average annual rainfall levels remain mostly below 100 mm, partially as low as 60 mm.

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