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Weather & Climate in Zanjan, Iran
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Zanjan experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 31°F in January while summers reach 72°F in July. The area gets 315 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 11.6 inches (drier than the 38-inch national average). The area receives 2.4 inches of snow annually. The city sits at an elevation of 5,466 feet.
Temperature
31°F Jan (-1°C)
72°F Jul (22°C)
| Annual Average | 52.1°F |
| 4% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 315 days/yr |
Geography
| Elevation | 5,466 ft (1,666 m) |
| Area | 37.4 sq mi (96.9 km²) |
| Population Density | 9,555/sq mi |
| Coordinates | 36.6764°N, 48.4963°W |
| Timezone | Asia/Tehran |
Precipitation & Snow
Air Quality
Earthquake History
151 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 | 87 km | 19 km |
| Jun 22, 2002 | 59 km SSW of Abhar, Iran | M6.5 | 127 km | 10 km |
| Jun 21, 1990 | 36 km ESE of P?deg?n-e Manj?l, Iran | M5.8 | 116 km | 15 km |
| Nov 28, 1991 | 26 km NE of P?deg?n-e Manj?l, Iran | M5.6 | 102 km | 16 km |
| Jun 24, 1990 | 13 km N of P?deg?n-e Manj?l, Iran | M5.4 | 84 km | 10 km |
| Jun 21, 1990 | 33 km E of P?deg?n-e Manj?l, Iran | M5.4 | 116 km | 10 km |
| Mar 2, 1997 | 52 km SSW of Om?dcheh, Iran | M5.3 | 143 km | 10 km |
| Jun 21, 1990 | 1 km SW of P?deg?n-e Manj?l, Iran | M5.3 | 81 km | 10 km |
| Jul 6, 1990 | 16 km NW of P?deg?n-e Manj?l, Iran | M5.3 | 75 km | 35 km |
| Sep 2, 2002 | 60 km SW of Abhar, Iran | M5.2 | 113 km | 10 km |
| Apr 19, 2002 | 37 km NNW of Qazvin, Iran | M5.2 | 118 km | 33 km |
| Oct 15, 1995 | Near the coast of northern Iran | M5.2 | 97 km | 33 km |
| Jun 20, 1990 | 38 km ESE of P?deg?n-e Manj?l, Iran | M5.1 | 119 km | 16 km |
| Dec 28, 1990 | 15 km SSW of F?man, Iran | M5.0 | 81 km | 10 km |
| Jun 21, 1990 | 28 km NNE of P?deg?n-e Manj?l, Iran | M4.9 | 98 km | 10 km |
| Jun 20, 1990 | 22 km NE of P?deg?n-e Manj?l, Iran | M4.9 | 100 km | 15 km |
| May 27, 2008 | 14 km ESE of Zanj?n, Iran | M4.9 | 15 km | 23 km |
| Jun 22, 2002 | 59 km SSW of Abhar, Iran | M4.9 | 119 km | 10 km |
| Jun 20, 1990 | 10 km NNE of P?deg?n-e Manj?l, Iran | M4.9 | 89 km | 19 km |
| Jun 22, 1990 | 10 km NNW of P?deg?n-e Manj?l, Iran | M4.9 | 79 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami 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 | 87 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 1.2 in | Coldest |
| February | 33°F (0°C) | 1.2 in | |
| March | 37°F (3°C) | 1.9 in | |
| April | 49°F (9°C) | 2.1 in | Wettest |
| May | 58°F (14°C) | 1.4 in | |
| June | 68°F (20°C) | 0.3 in | |
| July | 72°F (22°C) | 0.2 in | |
| August | 73°F (23°C) | 0.2 in | Warmest, Driest |
| September | 65°F (18°C) | 0.2 in | |
| October | 58°F (14°C) | 0.7 in | |
| November | 46°F (8°C) | 0.9 in | |
| December | 36°F (2°C) | 1.4 in |
Zanjan has a seasonal temperature swing of 42°F / from 31°F in January to 73°F in August. Total annual precipitation is 11.6 inches, with April being the wettest month (2.1") and August the driest (0.2").