Iran has a continental type of climate, with cold winters and hot summers prevalent across the plateau. In general, the best travel time for Iran can be divided in two periods; spring and autumn. Precipitation in Iran increased to 32.77 mm in December from 16.97 mm in November of 2015. In general, Iran has an arid climate in which most of the relatively scant annual precipitation falls from October through April. Precipitation in Iran averaged 18.72 mm from 1901 until 2015, reaching an all time high of 81.40 mm in March of 1996 and a record low of 0.15 mm in August of 1995. Climate and Average Weather in Iran. These are the months March to May and September to November. The months March to May are the Iranian high season. Iran has many different climates, but the most prevalent ones are Csa, BSk, Dsa. Snow falls heavily on the mountain peaks and is the principal source of water for irrigation in spring and early summer. In Tehran, only 230 mm (9 in) of rain fall per year, most of which occurring from November to April: the desert is not far from here. Iran has a very varied climate.

using Weatherbase's weather averages and normals. Average rainfall days in February: 9.4 days; Average rainfall days in March: 12.5 days; Average rainfall days in April: 12.3 days; Average rainfall days in May: 11.1 days; Average rainfall days in June: 3.3 days On the plateau, the annual rainfall does not exceed 30 cm (12 in), with the deserts and the Persian Gulf littoral receiving less than 13 cm (5 in).

Plan your travel to Iran.

Here is the average precipitation. In most of the country, yearly precipitation averages only 9.84 inches (25 cm) or less. … The average amount of annual precipitation is: 430.0 mm (16.93 in) More Climate Information For Tehran Weather and Climate offers all the information you need to know about the climate in Tehran . The country has perfect mild temperatures and clear weather conditions. This page includes a chart with historical data for Iran Average Precipitation. Rainfall in Iran 33% higher than long-term average TEHRAN – Since the beginning of the current water year (September 23, 2019), the whole country received 282 mm of rainfall, which is 31.8 percent higher compared to the past 51 years, which was recorded at 213.9 mm.