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Weather & Climate in Kalā Chāy, Iran
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kalā Chāy enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 44°F in January while summers reach 77°F in July. The area gets 257 sunny days per year, above the national average. Annual precipitation totals 43.7 inches. The city sits at an elevation of -75 feet.
Temperature
44°F Jan (7°C)
77°F Jul (25°C)
| Annual Average | 60.3°F |
| 12% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 257 days/yr |
Geography
| Elevation | -75 ft (-23 m) |
| Area | 153.8 sq mi (398.3 km²) |
| Population Density | 81/sq mi |
| Coordinates | 37.0796°N, 50.3964°W |
| Timezone | Asia/Tehran |
Precipitation & Snow
Air Quality
Earthquake History
149 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.4.
| Jun 20, 1990 | 23 km N of P?deg?n-e Manj?l, Iran | M7.4 | 89 km | 19 km |
| May 28, 2004 | 41 km SSE of Nowshahr, Iran | M6.3 | 139 km | 17 km |
| Jun 21, 1990 | 36 km ESE of P?deg?n-e Manj?l, Iran | M5.8 | 73 km | 15 km |
| Nov 28, 1991 | 26 km NE of P?deg?n-e Manj?l, Iran | M5.6 | 73 km | 16 km |
| Jun 21, 1990 | 33 km E of P?deg?n-e Manj?l, Iran | M5.4 | 63 km | 10 km |
| Jun 24, 1990 | 13 km N of P?deg?n-e Manj?l, Iran | M5.4 | 91 km | 10 km |
| Jul 6, 1990 | 16 km NW of P?deg?n-e Manj?l, Iran | M5.3 | 100 km | 35 km |
| Jun 21, 1990 | 1 km SW of P?deg?n-e Manj?l, Iran | M5.3 | 96 km | 10 km |
| Apr 19, 2002 | 37 km NNW of Qazvin, Iran | M5.2 | 77 km | 33 km |
| Oct 15, 1995 | Near the coast of northern Iran | M5.2 | 82 km | 33 km |
| Jun 20, 1990 | 38 km ESE of P?deg?n-e Manj?l, Iran | M5.1 | 70 km | 16 km |
| Dec 28, 1990 | 15 km SSW of F?man, Iran | M5.0 | 104 km | 10 km |
| Jun 20, 1990 | 10 km NNE of P?deg?n-e Manj?l, Iran | M4.9 | 87 km | 19 km |
| Jun 22, 1990 | 10 km NNW of P?deg?n-e Manj?l, Iran | M4.9 | 96 km | 10 km |
| Jun 21, 1990 | 28 km NNE of P?deg?n-e Manj?l, Iran | M4.9 | 78 km | 10 km |
| Jun 21, 1990 | 33 km SE of P?deg?n-e Manj?l, Iran | M4.9 | 91 km | 10 km |
| Jun 20, 1990 | 22 km NE of P?deg?n-e Manj?l, Iran | M4.9 | 75 km | 15 km |
| Jul 27, 1990 | 4 km N of Rasht, Iran | M4.8 | 77 km | 10 km |
| Aug 21, 1990 | 9 km ENE of Rasht, Iran | M4.8 | 68 km | 10 km |
| Apr 26, 1995 | 25 km SSW of Rasht, Iran | M4.8 | 77 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 2.0 m (7 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1990 | CASPIAN SEA | Eruption + Earthquake | 2.0 m | 40,000 | 89 km |
| 1608 | CASPIAN SEA | Earthquake | — | 3,000 | 76 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Damavand (198 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Damavand | Stratovolcano | 5,670 m (18,602 ft) | -5350 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 3.7 in | |
| February | 44°F (7°C) | 3.2 in | Coldest |
| March | 47°F (8°C) | 3.2 in | |
| April | 56°F (13°C) | 1.7 in | |
| May | 64°F (18°C) | 1.7 in | |
| June | 72°F (22°C) | 1.4 in | |
| July | 77°F (25°C) | 1.3 in | Driest |
| August | 77°F (25°C) | 2.3 in | Warmest |
| September | 72°F (22°C) | 5.4 in | |
| October | 64°F (18°C) | 8.9 in | Wettest |
| November | 56°F (14°C) | 6.3 in | |
| December | 49°F (9°C) | 4.8 in |
Kalā Chāy has a seasonal temperature swing of 33°F / from 44°F in February to 77°F in August. Total annual precipitation is 43.7 inches, with October being the wettest month (8.9") and July the driest (1.3").