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May in Tehran Mehrabad sees daytime temperatures around 26°C (79°F) and lows of 14°C (57°F) at night. The excellent weather makes it a good time to visit.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and October typically offer the best weather for Tehran Mehrabad.
Pick a month to see the average temperature, rainfall and sunshine in Tehran Mehrabad - and find the best time to visit.
42-year average (1976-2025)
Based on our historical records, temperatures in Tehran Mehrabad typically rise from around 25°C (77°F) at the start of May to approximately 31°C (88°F) by the end. Nights are pleasant, with lows typically ranging from 15°C (59°F) to 21°C (70°F).
42-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Tehran Mehrabad spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Tehran Mehrabad spans 2004 to 2026, revealing these weather extremes.
Find out more about the weather in Iran and which places have the best travel conditions in this month. See all of Iran in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Tehran Mehrabad in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Tehran Mehrabad climate overview or explore weather in Iran.
Where to go in May - average daytime high across popular destinations.
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