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Weather & Climate in Sis, Armenia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sis enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 31°F in January while summers reach 82°F in July. The area gets 335 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 9.3 inches (drier than the 38-inch national average). The area receives 4.3 inches of snow annually. The city sits at an elevation of 2,720 feet.
Temperature
31°F Jan (-1°C)
82°F Jul (28°C)
| Annual Average | 59.1°F |
| 9% above US avg | |
| January Average | 31°F (-1°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 335 days/yr |
Geography
| Elevation | 2,720 ft (829 m) |
| Area | 2.4 sq mi (6.2 km²) |
| Population Density | 503/sq mi |
| Coordinates | 40.0583°N, 44.3889°W |
| Timezone | Asia/Yerevan |
Precipitation & Snow
Air Quality
Earthquake History
119 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Sep 27, 2022 | 22 km WSW of Susuz, Turkey | M5.3 | 147 km | 10 km |
| Feb 13, 2022 | 18 km WSW of Metsavan, Armenia | M5.3 | 127 km | 10 km |
| Jun 3, 1991 | 26 km WSW of Ka??zman, Turkey | M5.2 | 130 km | 28 km |
| Jan 21, 2007 | 10 km W of Hamur, Turkey | M5.2 | 140 km | 3 km |
| Feb 5, 2021 | 9 km SSW of Vahan, Armenia | M5.2 | 95 km | 13 km |
| Jul 1, 2004 | 18 km SSW of I?d?r, Turkey | M5.1 | 48 km | 5 km |
| Oct 6, 1991 | 24 km SW of Ninotsminda, Georgia | M5.1 | 142 km | 18 km |
| Jan 23, 1998 | 18 km SSW of Do?ubayaz?t, Turkey | M4.9 | 81 km | 33 km |
| May 1, 2022 | 17 km SW of Metsavan, Armenia | M4.9 | 121 km | 10 km |
| May 27, 1990 | Armenia | M4.9 | 91 km | 10 km |
| Feb 13, 2021 | 0 km NNE of Hovtashen, Armenia | M4.9 | 6 km | 10 km |
| Jul 30, 2004 | 14 km NW of Do?ubayaz?t, Turkey | M4.8 | 59 km | 5 km |
| Aug 16, 2021 | 21 km W of Metsavan, Armenia | M4.8 | 128 km | 10 km |
| Dec 9, 1992 | 5 km ESE of Madina, Armenia | M4.8 | 79 km | 16 km |
| Jan 14, 1999 | 22 km WNW of Metsavan, Armenia | M4.8 | 140 km | 33 km |
| Aug 11, 2003 | 14 km WSW of Qarah ???’ od D?n, Iran | M4.7 | 143 km | 33 km |
| Jul 30, 2004 | 16 km NW of Do?ubayaz?t, Turkey | M4.7 | 56 km | 5 km |
| Sep 10, 2019 | 15 km SW of Tashir, Armenia | M4.7 | 111 km | 7 km |
| Jul 11, 2022 | 21 km WSW of Metsavan, Armenia | M4.7 | 124 km | 10 km |
| Jun 16, 1991 | 26 km NE of Ele?kirt, Turkey | M4.6 | 129 km | 26 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Nearby Volcanoes
7 volcanoes within 200 km. Closest: Ararat (41 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ararat | Stratovolcano | 5,165 m (16,946 ft) | 1840 | 41 km |
| Aragats | Stratovolcano | 4,095 m (13,435 ft) | Unknown | 55 km |
| Ghegham Volcanic Ridge | Volcanic field | 3,597 m (11,801 ft) | -1900 | 58 km |
| Tenduruk Dagi | Shield | 3,514 m (11,529 ft) | 1855 | 90 km |
| Vaiyots-Sar | Pyroclastic cone(s) | 2,575 m (8,448 ft) | -2000 | 99 km |
| Porak | Stratovolcano | 3,029 m (9,938 ft) | -778 | 115 km |
| Samsari Volcanic Center | Lava cone(s) | 3,290 m (10,794 ft) | Unknown | 175 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 0.8 in | |
| February | 30°F (-1°C) | 0.9 in | Coldest |
| March | 41°F (5°C) | 1.0 in | |
| April | 53°F (12°C) | 1.3 in | |
| May | 61°F (16°C) | 1.8 in | Wettest |
| June | 69°F (20°C) | 1.2 in | |
| July | 82°F (28°C) | 0.6 in | Warmest |
| August | 74°F (24°C) | 0.4 in | Driest |
| September | 67°F (19°C) | 0.4 in | |
| October | 55°F (13°C) | 1.0 in | |
| November | 43°F (6°C) | 0.9 in | |
| December | 32°F (0°C) | 0.8 in |
Sis has a seasonal temperature swing of 52°F / from 30°F in February to 82°F in July. Total annual precipitation is 11.1 inches, with May being the wettest month (1.8") and August the driest (0.4").