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Rising Temperatures in Tehran; Nearly One Degree Celsius Above Global Average

Feb 3, 2026 February 3, 2026 2 min read 📰 VOA Persian
📋 Key Takeaway

Tehran's average temperature has increased by over 3 degrees Celsius in the past 75 years, surpassing the global average increase. This trend suggests that next year could mark the seventh consecutive year of high temperatures for the city, with potential records being broken. The report highlights the significant impact of climate change on the region.

🔍 Quick Context Guide
💡 Bottom Line: Tehran's alarming temperature rise underscores the urgent need for climate action both locally and globally.

👥 Key Players

Open Data Base of Iran MENTIONED
Research organization
"They provide critical data on climate trends in Iran, influencing public awareness and policy."
Iranian Government MENTIONED
National authority
"They are responsible for environmental policies and responses to climate change impacts."
Global Climate Scientists MENTIONED
Researchers and experts
"They study climate change and its effects, providing insights that can influence international policy."

📰 What Happened

Tehran's average temperature has risen by over 3 degrees Celsius in the last 75 years, exceeding the global average increase. This trend indicates that the city may experience its seventh consecutive year of high temperatures, with potential records being broken.

  • Tehran's temperature increase is more pronounced in spring and summer months.
  • The hottest recorded months in Tehran were July and August 2018, with an average of 33.9 degrees Celsius.

💡 Why It Matters

🇮🇷 For Iran: The rising temperatures pose challenges for public health, water resources, and agriculture, potentially leading to social unrest.
🌍 Regional: Increased temperatures in Tehran may affect regional climate patterns, impacting neighboring countries.
🌐 International: This situation highlights the global implications of climate change, prompting international cooperation on environmental issues.

📚 Background

Climate change is causing significant shifts in weather patterns worldwide, with urban areas like Tehran facing unique challenges due to their dense populations and infrastructure.

Climate Change Urban Heat Islands
📡 Source: NEUTRAL
📊 Confidence: 70%
The report is based on data from a recognized database, providing a factual basis for the analysis of climate trends.

On Friday, September 9, the Open Data Base of Iran reported on the warming of Tehran's climate, stating that according to data from the 'Weather and Climate' website, the average temperature in the Iranian capital has increased by more than 3 degrees Celsius over the past 75 years. The report indicates that the average temperature in Tehran around the 1950s was approximately 16 degrees Celsius, which has risen to 19 degrees Celsius in recent years, specifically in the 2020s. In comparison, the global average temperature increase during the same period has been just over 2 degrees Celsius. Assuming that the trend of temperature increase follows the pattern of the past 5 years, the average temperature in Tehran next year will exceed 19 degrees Celsius, marking the seventh warmest year in the past 75 years. The hottest years recorded in Tehran over the past 75 years are 2021, 2010, 2023, 2022, 2001, and 2008. There is even a possibility that the record for the hottest year in Tehran's meteorological history could be broken. Monthly data also indicate that the temperature increase trend during spring and summer is more pronounced than in other months of the year. According to this data, the hottest months recorded in the last 75 years in Iran were July and August 2018, with an average of 33.9 degrees Celsius, while July and August of this year (2024) are considered the fifth hottest months in the capital in the past 75 years. The days of August 8 and 9, 2024, also recorded temperatures above 42 degrees Celsius, marking the highest temperature recorded in Tehran for the year 2024. (Note: The data in this report was updated until September 7, 2024.) Severe heat in Canada; scientists attribute this temperature increase mainly to 'human-induced climate change.' The severe summer heat has affected millions of people worldwide. A new report states that the volume of glaciers in Switzerland has decreased by the equivalent of three decades in the past two years.

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Translated from the original and edited for English readers. View original source →

Translation confidence: 85%

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