Isfahan's Climate
Isfahan sits at around 1,570 m on Iran's central plateau, beside the Zayandeh River and on the edge of the desert, giving it a cold, dry desert climate year-round. Summers (June–September) are hot, sunny and very dry, with daytime highs of 33–38°C but cool nights thanks to the low humidity and altitude, while winters (December–February) turn cold, with sub-zero nights, frost and occasional light snow. Spring (March–May) and autumn (September–November) are mild and pleasant, the loveliest times to visit. Rainfall is very scarce and falls mainly in winter.