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October in Tehran brings high temperatures, with highs of 22°C (72°F) and nights dropping to 11°C (52°F). With excellent weather conditions overall, it's a good time to visit.
If you're a fan of comfortable temperatures and drier conditions, October is a great time to visit.
Pick a month to see the average temperature, rainfall and sunshine in Tehran - and find the best time to visit.
41-year average (1976-2025)
Based on our historical records, temperatures in Tehran typically drop from around 27°C (81°F) at the start of October to approximately 21°C (70°F) by the end. Nights are pleasant, with lows typically ranging from 12°C (54°F) to 18°C (64°F).
41-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 spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 36 years of weather observations in Tehran between 1989 and 2025, these are the recorded 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 October →
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 Tehran in October, 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. Some rain is possible, so pack something to handle light showers. 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 climate overview or explore weather in Iran.
Where to go in October - average daytime high across popular destinations.
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