UV Index
UV Index
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Today's UV index in Tehran, Iran 
will be up to 3.2, indicating a moderate level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With a UV index reaching up to 3.2 in Tehran, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
The UV index in Tehran, Iran, can reach very high levels during the summer months, with readings often exceeding 10 on the UV index scale. It is essential to protect yourself from the sun's harmful rays during these months.
Tehran experiences a semi-arid climate, with hot, dry summers and mild, wet winters. Spring and autumn are relatively short and can vary from cold to warm. Summer temperatures can reach up to 36°C (97°F), while winter temperatures rarely drop below freezing.
Compared to its region and neighboring countries, Tehran is relatively dry. It receives less annual rainfall than some nearby cities, such as Tabriz in Iran and Yerevan in Armenia. Despite this, Tehran's climate is still influenced by its location near the Caspian Sea and Alborz mountain range, which can bring snow and fog to the city in winter.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Tehran. It's designed to provide you with a better understanding of the yearly weather and sun exposure.