Tehran, Iran

Full City Profile

8,693,706 Population 32,823/sq mi density
3,865 ft Elevation 1,178 meters
66°F Avg Temperature 19°C
Tehran enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 37°F in January while summers reach 91°F in July. Annual precipitation totals 9.2 inches. The area receives 8.6 inches of snow annually.

Temperature

37°F Jan (3°C) 91°F Jul (33°C)
Annual Average66.2°F
23% above US avg
January Average37°F (3°C)
July Average91°F (33°C)

Geography

Elevation3,865 ft (1,178 m)
Area264.9 sq mi (686.0 km²)
Population Density32,823/sq mi
Coordinates35.6944°N, 51.4215°E
TimezoneAsia/Tehran

Precipitation & Snow

Annual Rainfall 9.2"
76% below US avg
Snowfall 8.6"
Wettest Month (Mar) 1.69"
Driest Month (Aug) 0.08"

Air Quality

Earthquake History

71 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.3. Most recent: M4.9 on Jun 20, 2025.

May 28, 2004 41 km SSE of Nowshahr, Iran M6.3 68 km
Jan 20, 1990 36 km E of Soleh Bon, Iran M6.0 139 km
Jun 18, 2007 22 km S of Qom, Iran M5.5 150 km
Sep 22, 1992 24 km S of B?bol, Iran M5.1 135 km
Jan 11, 2012 26 km SSE of B?bol, Iran M5.1 141 km
Jun 20, 2025 38 km WSW of Semnan, Iran M4.9 149 km
Jan 9, 1998 15 km W of ?mol, Iran M4.8 110 km
Apr 8, 2002 29 km W of ?mol, Iran M4.8 98 km
Jul 13, 1990 24 km NNE of Qazvin, Iran M4.7 150 km
Jan 20, 2010 28 km ENE of Soleh Bon, Iran M4.7 131 km
Feb 10, 2012 23 km SSW of Soleh Bon, Iran M4.7 91 km
May 29, 2004 28 km S of Ch?l?s, Iran M4.7 79 km
Oct 10, 2002 24 km WNW of Soleh Bon, Iran M4.7 85 km
Mar 25, 2005 28 km W of S?veh, Iran M4.7 146 km
Jan 22, 1991 25 km SSW of Soleh Bon, Iran M4.6 90 km
Aug 19, 1993 25 km SW of ?stg?h-e R?h ?han-e Garms?r, Iran M4.6 91 km
May 7, 2020 3 km NNW of Dam?vand, Iran M4.6 57 km
Aug 25, 2015 19 km S of Soleh Bon, Iran M4.6 106 km
May 28, 2004 23 km S of Ch?l?s, Iran M4.5 84 km
Dec 3, 1998 25 km NNW of Karaj, Iran M4.5 62 km
Source: USGS (M2.5+, 1990-2025)

Tsunami History

1 tsunami recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
1608 CASPIAN SEA Earthquake - 3,000 114 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Damavand (68 km).

Name Type Elevation Last Eruption Distance
Damavand Stratovolcano 5,670 m (18,602 ft) -5350 68 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 37°F (3°C) 1.3 in Coldest
February 39°F (4°C) 1.3 in
March 47°F (9°C) 1.7 in Wettest
April 59°F (15°C) 1.1 in
May 68°F (20°C) 0.8 in
June 78°F (26°C) 0.2 in
July 91°F (33°C) 0.1 in Warmest
August 81°F (27°C) 0.1 in Driest
September 73°F (23°C) 0.1 in
October 61°F (16°C) 0.6 in
November 49°F (10°C) 0.9 in
December 40°F (4°C) 1.2 in

Tehran has a seasonal temperature swing of 55°F / from 37°F in January to 91°F in July. Total annual precipitation is 9.5 inches, with March being the wettest month (1.7") and August the driest (0.1").

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