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Weather & Climate in Fasham, Iran
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Fasham experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 22°F in January while summers reach 72°F in July. The area gets 319 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 9.1 inches (drier than the 38-inch national average). The area receives 4.7 inches of snow annually. The city sits at an elevation of 6,427 feet.
Temperature
22°F Jan (-5°C)
72°F Jul (22°C)
| Annual Average | 47.8°F |
| 11% below US avg | |
| January Average | 22°F (-5°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 319 days/yr |
Geography
| Elevation | 6,427 ft (1,959 m) |
| Area | 291.5 sq mi (755.1 km²) |
| Population Density | 24/sq mi |
| Coordinates | 35.9306°N, 51.5266°W |
| Timezone | Asia/Tehran |
Precipitation & Snow
Air Quality
Earthquake History
79 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 | 41 km | 17 km |
| Jan 20, 1990 | 36 km E of Soleh Bon, Iran | M6.0 | 129 km | 25 km |
| Jan 11, 2012 | 26 km SSE of B?bol, Iran | M5.1 | 121 km | 16 km |
| Sep 22, 1992 | 24 km S of B?bol, Iran | M5.1 | 115 km | 36 km |
| Jun 20, 2025 | 38 km WSW of Semnan, Iran | M4.9 | 148 km | 10 km |
| Jan 9, 1998 | 15 km W of ?mol, Iran | M4.8 | 84 km | 33 km |
| Apr 8, 2002 | 29 km W of ?mol, Iran | M4.8 | 71 km | 46 km |
| May 29, 2004 | 28 km S of Ch?l?s, Iran | M4.7 | 55 km | 10 km |
| Jul 13, 1990 | 24 km NNE of Qazvin, Iran | M4.7 | 145 km | 33 km |
| Jan 20, 2010 | 28 km ENE of Soleh Bon, Iran | M4.7 | 121 km | 5 km |
| Oct 10, 2002 | 24 km WNW of Soleh Bon, Iran | M4.7 | 73 km | 33 km |
| Feb 10, 2012 | 23 km SSW of Soleh Bon, Iran | M4.7 | 89 km | 14 km |
| Feb 20, 2005 | 7 km SSW of J?yb?r, Iran | M4.6 | 141 km | 30 km |
| Aug 25, 2015 | 19 km S of Soleh Bon, Iran | M4.6 | 103 km | 7 km |
| Jan 22, 1991 | 25 km SSW of Soleh Bon, Iran | M4.6 | 88 km | 13 km |
| May 7, 2020 | 3 km NNW of Dam?vand, Iran | M4.6 | 52 km | 10 km |
| Aug 19, 1993 | 25 km SW of ?stg?h-e R?h ?han-e Garms?r, Iran | M4.6 | 107 km | 18 km |
| Nov 21, 1994 | 26 km NW of Dam?vand, Iran | M4.5 | 32 km | 33 km |
| Dec 3, 1998 | 25 km NNW of Karaj, Iran | M4.5 | 59 km | 33 km |
| Oct 5, 2024 | 50 km WSW of Semnan, Iran | M4.5 | 138 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1608 | CASPIAN SEA | Earthquake | - | 3,000 | 106 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Damavand (53 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Damavand | Stratovolcano | 5,670 m (18,602 ft) | -5350 | 53 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-5°C) | 0.9 in | Coldest |
| February | 26°F (-4°C) | 1.1 in | |
| March | 35°F (2°C) | 1.8 in | Wettest |
| April | 47°F (8°C) | 1.5 in | |
| May | 56°F (13°C) | 1.2 in | |
| June | 66°F (19°C) | 0.3 in | |
| July | 72°F (22°C) | 0.2 in | Warmest |
| August | 70°F (21°C) | 0.1 in | |
| September | 63°F (17°C) | 0.1 in | Driest |
| October | 50°F (10°C) | 0.5 in | |
| November | 38°F (4°C) | 0.6 in | |
| December | 28°F (-2°C) | 0.8 in |
Fasham has a seasonal temperature swing of 50°F / from 22°F in January to 72°F in July. Total annual precipitation is 9.1 inches, with March being the wettest month (1.8") and September the driest (0.1").