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Weather & Climate in Herīs, Iran
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Herīs experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 22°F in January while summers reach 72°F in July. The area gets 347 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 19.6 inches (drier than the 38-inch national average). The area receives 19.2 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 6,247 feet.
Temperature
22°F Jan (-6°C)
72°F Jul (22°C)
| Annual Average | 50.8°F |
| 6% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 347 days/yr |
Geography
| Elevation | 6,247 ft (1,904 m) |
| Area | 77.6 sq mi (200.9 km²) |
| Population Density | 136/sq mi |
| Coordinates | 38.2482°N, 47.1168°W |
| Timezone | Asia/Tehran |
Precipitation & Snow
Air Quality
Earthquake History
120 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.4.
| Aug 11, 2012 | 26 km SW of Ahar, Iran | M6.4 | 27 km | 11 km |
| Aug 11, 2012 | 30 km WSW of Ahar, Iran | M6.2 | 36 km | 12 km |
| Feb 28, 1997 | 24 km SSW of Om?dcheh, Iran | M6.1 | 84 km | 10 km |
| Jul 9, 1998 | 10 km SE of Lerik, Azerbaijan | M6.0 | 132 km | 26 km |
| Nov 7, 2012 | 39 km W of Ahar, Iran | M5.4 | 47 km | 10 km |
| Mar 2, 1997 | 52 km SSW of Om?dcheh, Iran | M5.3 | 78 km | 10 km |
| Aug 15, 2012 | 35 km WSW of Ahar, Iran | M5.3 | 43 km | 4 km |
| Jul 11, 2007 | 14 km W of Haftoni, Azerbaijan | M5.2 | 141 km | 26 km |
| Aug 27, 2017 | 52 km N of Hashtr?d, Iran | M5.2 | 34 km | 17 km |
| Aug 11, 2012 | 27 km W of Ahar, Iran | M5.1 | 41 km | 4 km |
| Aug 14, 2012 | 24 km W of Ahar, Iran | M5.1 | 36 km | 6 km |
| Aug 11, 2012 | 29 km W of Ahar, Iran | M5.0 | 39 km | 10 km |
| Aug 11, 2012 | 25 km W of Ahar, Iran | M5.0 | 36 km | 4 km |
| Apr 22, 1996 | 31 km S of Horadiz, Azerbaijan | M5.0 | 104 km | 29 km |
| Nov 2, 1994 | 11 km S of Ardab?l, Iran | M5.0 | 105 km | 10 km |
| Nov 16, 2012 | 42 km WNW of Ahar, Iran | M4.9 | 58 km | 15 km |
| Aug 16, 2012 | 32 km WSW of Ahar, Iran | M4.9 | 40 km | 10 km |
| Aug 11, 2012 | 32 km W of Ahar, Iran | M4.8 | 41 km | 8 km |
| Mar 15, 1993 | 29 km W of Kujuvar, Iran | M4.8 | 116 km | 11 km |
| Jan 26, 2013 | 23 km WSW of Ahar, Iran | M4.8 | 27 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 1.0 in | Coldest |
| February | 31°F (-0°C) | 1.0 in | |
| March | 39°F (4°C) | 1.5 in | |
| April | 50°F (10°C) | 1.9 in | |
| May | 58°F (14°C) | 2.2 in | Wettest |
| June | 66°F (19°C) | 1.2 in | |
| July | 72°F (22°C) | 0.4 in | Warmest, Driest |
| August | 72°F (22°C) | 0.5 in | |
| September | 64°F (18°C) | 0.8 in | |
| October | 54°F (12°C) | 1.5 in | |
| November | 42°F (6°C) | 1.3 in | |
| December | 33°F (1°C) | 1.0 in |
Herīs has a seasonal temperature swing of 50°F / from 22°F in January to 72°F in July. Total annual precipitation is 14.3 inches, with May being the wettest month (2.2") and July the driest (0.4").