UV index is 7 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.

Nearby Regional Outlook

Tehran Weather Radar

Live precipitation · Cloud cover · Wind

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Frequently Asked Questions

What is the hottest month in Tehran?

The hottest month in Tehran is typically July, with daytime highs averaging around 38°C (100°F), based on 10 years of historical weather data. Overnight lows during this period average near 26.1°C (79°F). Take extra precautions during this time stay hydrated and avoid strenuous outdoor activity in peak afternoon heat.

What is the coldest month in Tehran?

The coldest month in Tehran is typically January, with overnight lows averaging around -0.2°C (32°F) and daytime highs near 9.3°C (49°F), based on 10 years of historical weather data. Freezing overnight temperatures are common during this month, so plan for icy conditions in the early morning.

Does Tehran have a rainy season?

Tehran doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. March is the wettest month on average (about 52 mm), while August is the driest (about 0 mm).

What's the best time of year to visit Tehran?

The best time to visit Tehran is typically October, when daytime highs average a comfortable 24.8°C (77°F). Rainfall during this window averages around 16 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Atmospheric Details

Wind

4 km/h

SE · Light Breeze · Max 10 km/h

Humidity

25 %

Low · dry air

UV Index

Very High

Visibility

16 km

Excellent

Pressure

885 hPa

Low · change likely

Dew Point

7°C

Comfortable

Today vs Normal

32°C-1° below normal

The long-term average high for today is 33°C.

17 of the last 28 days with published data ran above normal.

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

Red = above normal, blue = at or below · last 12 days

Air Quality

Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Health & Activity Advice

⚠ Take Precautions

UV index is 7 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.