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April in Tehran averages 19°C (66°F) during the day and 8°C (46°F) at night. Around 52 mm (2 in) of rainfall is typical for this time of year.
Should you favor a climate that's both dry and comfortably warm, May and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Tehran - and find the best time to visit.
42-year average (1976-2025)
Based on our historical records, temperatures in Tehran typically rise from around 20°C (68°F) at the start of April to approximately 24°C (75°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 16°C (61°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 spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 22 years of weather observations (2004-2026), these are the most extreme conditions recorded in Tehran.
Find out more about the weather in Iran and which places have the best travel conditions in this month. See all of Iran in April →
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).
Comfortable temperatures call for an easy wardrobe in April. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. 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 Wind Speed
See the full Tehran climate overview or explore weather in Iran.
Where to go in April - average daytime high across popular destinations.
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