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Hamadān in May sees high daytime temperatures of 24°C (75°F) and nighttime lows of 10°C (50°F). Moderate rainfall is typical, with around 41 mm (1.6 in) for the month.
If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Pick a month to see the average temperature, rainfall and sunshine in Hamadān - and find the best time to visit.
30-year average (1997-2026)
Based on our historical records, temperatures in Hamadān typically rise from around 20°C (68°F) at the start of May to approximately 28°C (82°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 11°C (52°F).
Browse day-by-day weather records for Hamadān spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Hamadān between 2006 and 2026, these are the recorded extremes during May.
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).
For Hamadān in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Hamadān climate overview or explore weather in Iran.
Where to go in May - average daytime high across popular destinations.
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