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Weather & Climate in Garmsār, Iran
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Garmsār enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 38°F in January while summers reach 81°F in July. The area gets 349 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 6.1 inches (drier than the 38-inch national average). The area receives 6.2 inches of snow annually. The city sits at an elevation of 2,822 feet.
Temperature
38°F Jan (4°C)
81°F Jul (27°C)
| Annual Average | 57.0°F |
| 6% above US avg | |
| January Average | 38°F (4°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 349 days/yr |
Geography
| Elevation | 2,822 ft (860 m) |
| Area | 1,805.8 sq mi (4,677.1 km²) |
| Population Density | 0/sq mi |
| Coordinates | 35.2182°N, 52.3409°W |
| Timezone | Asia/Tehran |
Precipitation & Snow
Air Quality
Earthquake History
73 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| May 28, 2004 | 41 km SSE of Nowshahr, Iran | M6.3 | 136 km | 17 km |
| Jan 20, 1990 | 36 km E of Soleh Bon, Iran | M6.0 | 88 km | 25 km |
| Jan 11, 2012 | 26 km SSE of B?bol, Iran | M5.1 | 130 km | 16 km |
| Sep 22, 1992 | 24 km S of B?bol, Iran | M5.1 | 128 km | 36 km |
| Jun 9, 1993 | 90 km S of Semnan, Iran | M5.0 | 99 km | 30 km |
| Jun 20, 2025 | 38 km WSW of Semnan, Iran | M4.9 | 65 km | 10 km |
| Jan 20, 2022 | 96 km ESE of Qom, Iran | M4.8 | 123 km | 10 km |
| Jan 9, 1998 | 15 km W of ?mol, Iran | M4.8 | 140 km | 33 km |
| Apr 8, 2002 | 29 km W of ?mol, Iran | M4.8 | 137 km | 46 km |
| Aug 23, 1991 | 23 km NNW of Mahdishahr, Iran | M4.7 | 112 km | 33 km |
| Jan 20, 2010 | 28 km ENE of Soleh Bon, Iran | M4.7 | 82 km | 5 km |
| Oct 10, 2002 | 24 km WNW of Soleh Bon, Iran | M4.7 | 75 km | 33 km |
| Feb 10, 2012 | 23 km SSW of Soleh Bon, Iran | M4.7 | 42 km | 14 km |
| May 7, 2020 | 3 km NNW of Dam?vand, Iran | M4.6 | 64 km | 10 km |
| Aug 19, 1993 | 25 km SW of ?stg?h-e R?h ?han-e Garms?r, Iran | M4.6 | 27 km | 18 km |
| Jan 22, 1991 | 25 km SSW of Soleh Bon, Iran | M4.6 | 40 km | 13 km |
| Jun 30, 1993 | 44 km SSE of Semnan, Iran | M4.6 | 115 km | 33 km |
| Aug 25, 2015 | 19 km S of Soleh Bon, Iran | M4.6 | 47 km | 7 km |
| Jan 17, 2023 | 20 km SW of Sari, Iran | M4.5 | 144 km | 10 km |
| Nov 5, 1997 | 39 km SSW of Eqb?l?yeh, Iran | M4.5 | 93 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Damavand (84 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Damavand | Stratovolcano | 5,670 m (18,602 ft) | -5350 | 84 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (4°C) | 1.2 in | |
| February | 36°F (2°C) | 1.0 in | Coldest |
| March | 44°F (7°C) | 1.3 in | Wettest |
| April | 57°F (14°C) | 1.0 in | |
| May | 66°F (19°C) | 0.7 in | |
| June | 76°F (24°C) | 0.2 in | |
| July | 81°F (27°C) | 0.1 in | Warmest, Driest |
| August | 80°F (26°C) | 0.1 in | |
| September | 71°F (22°C) | 0.1 in | |
| October | 59°F (15°C) | 0.6 in | |
| November | 47°F (8°C) | 0.6 in | |
| December | 36°F (2°C) | 0.7 in |
Garmsār has a seasonal temperature swing of 46°F / from 36°F in February to 81°F in July. Total annual precipitation is 7.6 inches, with March being the wettest month (1.3") and July the driest (0.1").