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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the UrbanMixr weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Tehran has a semi-arid climate with hot, dry summers and chilly, often snowy winters. The live forecast above shows the current conditions, but for planning a trip, spring (March to May) and autumn (September to November) offer the most comfortable temperatures for sightseeing.
What is the best time to visit Tehran?
For a UK traveller, the best months are April, May, September and October. During these periods, daytime highs sit pleasantly between 20°C and 30°C, making it ideal for exploring the city’s museums and bazaars. Summer (June to August) can be intensely hot, often exceeding 38°C, while winter (December to February) brings cold weather and occasional snowfall, particularly in the northern suburbs.
What should I pack for Tehran?
Pack layers. In spring and autumn, bring a light jacket or jumper for cooler evenings. For summer, loose, breathable clothing and a sun hat are essential. In winter, you will need a warm coat, scarf and gloves, especially if you plan to visit the mountains. Comfortable walking shoes are a must year-round. Note that modest dress is required in public; women should carry a headscarf.
Does it snow in Tehran?
Yes, snow is common in winter, especially in the northern districts and the Alborz foothills. The city centre may see light snow a few times a year, but it rarely settles for long.
Is Tehran humid in summer?
No, Tehran’s semi-arid climate means summer humidity is low. The heat is dry, which can feel more bearable than UK humidity, but you will still need to stay hydrated and avoid the midday sun.
How accurate are the 15-day forecasts for Tehran?
Long-range forecasts, such as the tehran weather forecast 15 days, give a useful trend but become less reliable beyond 7 days. For precise planning, check the tehran weather hourly forecast and the weather in tehran 10 days outlook closer to your trip.
For more UK travel inspiration, check our UK weather hub or see what the weather is like in Birmingham and Glasgow. If you are planning further ahead, the tehran weather 30 days outlook can help with rough seasonal planning, while the tehran weather 14 days forecast is better for specific dates. For winter trips, check the tehran weather december averages, and always view the tehran weather celsius readings for clarity. For a detailed week ahead, use the tehran weather forecast 15 days tool.