Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Tehran is from April, May, October. — consistent weather climate
☀️Pleasant
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| Score | 29 | 37 | 63 | 89 | 95 | 55 | 47 | 52 | 86 | 95 | 60 | 38 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Mild | Pleasant | Hot & dry | Hot & dry | Hot & dry | Hot & dry | Pleasant | Cold | Cold |
| Temperature | 0–9°C | 1–11°C | 6–17°C | 11–23°C | 17–29°C | 23–36°C | 26–38°C | 24–36°C | 20–32°C | 14–24°C | 6–15°C | 1–11°C |
| Feels like | -5–6°C | -3–8°C | 2–14°C | 7–21°C | 14–27°C | 20–34°C | 24–36°C | 22–34°C | 18–30°C | 11–22°C | 3–13°C | -3–7°C |
| Precipitation | 41mm 7 days | 47mm 8 days | 57mm 8 days | 39mm 6 days | 17mm 3 days | 1mm 0 days | 1mm 0 days | 0mm 0 days | 4mm 1 days | 20mm 3 days | 40mm 7 days | 39mm 6 days |
| Sunshine | 8.5h ☀︎ 84% | 8.8h ☀︎ 81% | 9.6h ☀︎ 80% | 10.8h ☀︎ 83% | 12.0h ☀︎ 86% | 12.9h ☀︎ 89% | 12.8h ☀︎ 90% | 12.7h ☀︎ 94% | 11.3h ☀︎ 91% | 10.2h ☀︎ 91% | 8.3h ☀︎ 81% | 7.9h ☀︎ 80% |
| Wind | NE · 13 km/h | NE · 14 km/h | N · 17 km/h | N · 17 km/h | N · 19 km/h | SE · 17 km/h | SE · 15 km/h | S · 14 km/h | SE · 14 km/h | NE · 14 km/h | NE · 12 km/h | NE · 11 km/h |
| Humidity (%) | 52% | 54% | 48% | 40% | 30% | 19% | 20% | 20% | 23% | 36% | 52% | 54% |
| Day length | 10.1h | 10.9h | 12.0h | 13.1h | 14.1h | 14.5h | 14.3h | 13.5h | 12.4h | 11.3h | 10.3h | 9.8h |
One of the largest book fairs in the world, this event draws enormous crowds of readers, publishers, and authors to Tehr…
Iran's premier film festival takes over Tehran's cinemas each winter, showcasing new Iranian and international films alo…
Tehran endures its biggest crowd surge in June just as the city turns into a sun-baked stone basin, while its two genuine masterpieces of weather—May and October—remain blissfully uncrowded.
Sprawling across the lower slopes of the snow-crested Alborz range, Tehran is a restless, high-altitude metropolis that constantly surprises those who expect a quiet desert capital. Established as the seat of power in 1786 by the Qajar dynasty to keep watch over turbulent northern frontiers, it absorbed the ancient citadel of Rey and transformed from a fortified orchard town into an electric, chaotic mega-city of nine million people. To walk Tehran without understanding its seasons is to risk walking through an exhaust-laden, baking haze. But arrive when the mountain gales scrub the sky clean, and the city reveals leafy plane trees, roaring snowmelt streams, and quiet hillside courtyards with a clarity that stops you in your tracks.
Spring is when Tehran performs its most convincing magic trick. In April and May, the snowline retreats up the granite walls of the Alborz, and meltwater rushes through the stone gutters lining Valiasr Street. The air in northern districts like Tajrish carries the sweet, damp scent of blossoming Persian gardens and wild thyme. Days are gentle and bright, warming comfortably into the twenties, before mountain downdrafts cool the city down to jacket weather each evening.
Outdoor life takes over. City parks fill with families spreading carpets beneath the sycamores, tea vendors setting up brass samovars along sidewalks, and youth congregating along the shaded stone stairs of Darband. In late spring, cultural life hits its stride with the massive Tehran International Book Fair, an event of colossal scale where hundreds of thousands of readers, academics, and publishers descend on exhibition halls to debate, browse, and socialize amid the balmy air. For walking the grand grounds of Golestan Palace or wandering Rey's historic quarter, May offers the cleanest skies and easiest pace of the entire year.
Here lies the central paradox of Tehran's travel calendar: visitor numbers peak abruptly in June, precisely as the city's climate takes a sharp turn for the punishing. By midsummer, temperatures consistently push past 36 degrees, and the apparent heat radiates off asphalt and concrete with fierce intensity. The urban basin traps exhaust and dust, obscuring the mountains behind a bleached, yellow glare.
During these months, sensible urban life shifts entirely onto night shifts. By day, broad squares like the plaza around Azadi Tower become blinding, uninhabitable expanses of reflective stone where pedestrians hustle between air-conditioned metro stations and subterranean shops. Only after nine in the evening does the metropolis breathe again. Crowds migrate upward into the foothills, packing the terraced tea houses and kebab platforms of Darband and Tajrish, dangling their feet over cold mountain streams in search of the night chill that eludes the downtown streets below.
As September draws to a close, summer breaks with sudden, relieving drama. High-altitude breezes roll down from the north, flushing out the basin's accumulated haze. October delivers what is easily Tehran's most sublime stretch of weather: brilliant, unblemished sunshine paired with crisp afternoon air in the low twenties, completely devoid of humidity.
Unlike June's congestion, autumn sees visitor numbers fall quietly back to manageable levels. Walking through the grand courtyards of Golestan Palace or exploring the bazaars around Rey feels relaxed and unhurried. The city's famous long avenues turn golden as sycamore leaves carpet the gutters, and the silhouette of the mountains sharpens against deep cerulean skies. If you want to experience Tehran at its most welcoming, articulate, and visually striking, October is the single finest window on the calendar.
Winter in the Iranian capital is cold, grey, and complicated. From November into February, cold air sinks off the snowbound peaks and sits trapped in the Tehran basin, creating an inversion layer that locks in urban emissions. Daytime highs often hover in single digits, and raw, damp winds leave mornings feeling biting.
Yet winter has its own interior pulse. In February, cinema enthusiasts and filmmakers brave the chill for the Fajr International Film Festival, packing downtown theaters and art-house screens for premieres that lend the city a vibrant cultural buzz. Life retreats inside warm cafes scented with cardamom, carpeted basements, and steamy soup shops serving steaming bowls of herb-rich ash. By late March, as Persian New Year approaches, rain sweeps the pollution away and the Alborz glistens under fresh powder, setting the stage for spring once again.
Top sights and attractions to build your days around once you know when to go.
The Golestan Palace is the former official royal Qajar complex in Tehran, Iran. One of the oldest historic monuments in the capital and a UNESCO World Heritage Site, the Golestan Palace consists of a group of eight palatial royal structures surrounded by a wall, today used mainly as museums, surrounded by an outer wall, which were once enclosed within the defensive walls of Tehran's citadel. Most of the royal buildings date back to the 19th century and display a collection of Iranian and European crafts and gifts from the 18th to the 20th century.
The Milad Tower is a multi-purpose tower in Tehran, Iran. It is the sixth-tallest tower and the world's first telecommunication tower in terms of the usage area of the top structure and the tallest tower in Iran and the 24th-tallest freestanding structure in the world. The construction of the tower took about 11 years and 7 months.
The Azadi Tower, also known by its former name, the Shahyad Tower, is a monument at Azadi Square in Tehran, Iran. It is one of Tehran's landmarks, once marking the westernmost entrance to the city, and is part of the Azadi Cultural Complex, which also includes an underground museum.
The National Museum of Iran houses the richest and largest collection of Iranian antiquities in the world. It is located in Tehran. The museum is the world's most important institution for Iranian history and one of the most comprehensive museums globally, home to over 3 million artifacts. The institution is formed of two museums; the Museum of Ancient Iran and the Museum of the Islamic Era. The institution is also considered a major global research hub for archeology, and it includes multiple research departments, categorized by different historical periods. The museum is one of the oldest archaeological museums in West Asia, and one of the region's earliest institutions dedicated to historical preservation and display.
Tehran Museum of Contemporary Art, also known as TMoCA, is among the largest art museums in Tehran and Iran. It has collections of more than 3,000 items that include 19th and 20th-century's world-class European and American paintings, prints, drawings, and sculptures. TMoCA also has a major collection of Iranian modern and contemporary art.
Toghrol Tower is a 12th-century monument, located in the city of Rey, Tehran province, Iran. Tuğrul Tower is near Rashkan Castle.
The Marble Palace is a historic building and former royal residence in Tehran, Iran. It was built in 1933 under the Pahlavi dynasty, located in the city centre. After the Iranian Revolution, the palace was used for nearly four decades by various state institutions.
The Carpet Museum of Iran is a museum located beside Laleh Park in Tehran, Iran. It was established by the order of Shahbanu Farah Pahlavi in 1976 to exhibit a variety of Persian carpets from all over Iran.
The Yusef Abad Synagogue, officially Sukkat Shalom Synagogue, is an Orthodox Jewish congregation and synagogue, located at the junction of 15th Street and Sayyed Jamáleddin e Asadábádi Ave, in the Yusef Abad neighborhood of Tehran, in Iran.
Saint Sarkis Cathedral is an Armenian Apostolic church in Tehran, Iran, completed in 1970 and named after Saint Sarkis the Warrior. It is the cathedral of the Armenian Diocese of Tehran, one of three Armenian dioceses in Iran, whose prelate is archbishop Sepuh Sargsyan.
The Reza Abbasi Museum is a museum in Tehran, Iran, located in Seyed Khandan. The museum is named after Reza Abbasi, one of the artists of the Safavid Empire. The Reza Abbasi Museum is home to a unique collection of Persian art dating back to the second millennium BC, from both the pre-Islamic and Islamic eras.
The Emam Mosque, also known as the Soltāni Mosque meaning "royal", less commonly known as the Imam Mosque after the 1979 Iranian Revolution, is a mosque in the northern section of the Grand Bazaar in Tehran, Iran.
Places from Wikidata and Wikipedia.
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