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Weather & Climate in Rūyān, Iran
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rūyān enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 35°F in January while summers reach 81°F in July. The area gets 322 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 7.7 inches (drier than the 38-inch national average). The city sits at an elevation of 4,094 feet.
Temperature
35°F Jan (1°C)
81°F Jul (27°C)
| Annual Average | 58.4°F |
| 8% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 322 days/yr |
Geography
| Elevation | 4,094 ft (1,248 m) |
| Area | 18.9 sq mi (48.9 km²) |
| Population Density | 200/sq mi |
| Coordinates | 36.3504°N, 55.0025°W |
| Timezone | Asia/Tehran |
Precipitation & Snow
Air Quality
Earthquake History
95 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Aug 27, 2010 | 76 km S of D?mgh?n, Iran | M5.8 | 107 km | 7 km |
| Jan 10, 2005 | 31 km NNE of Gorg?n, Iran | M5.4 | 92 km | 32 km |
| Nov 19, 1999 | 55 km N of Gorg?n, Iran | M5.4 | 122 km | 32 km |
| Nov 26, 1999 | 29 km ENE of Qarn?b?d, Iran | M5.3 | 64 km | 33 km |
| Jul 19, 2025 | 30 km E of Qarnābād, Iran | M5.1 | 53 km | 10 km |
| Aug 11, 2011 | 25 km WNW of Shahrud, Iran | M5.0 | 31 km | 3 km |
| Mar 22, 2023 | 31 km N of Qarnābād, Iran | M5.0 | 89 km | 10 km |
| Aug 16, 2000 | 15 km SSW of Gorg?n, Iran | M4.9 | 71 km | 33 km |
| Jul 23, 1994 | 66 km N of Gorg?n, Iran | M4.9 | 132 km | 31 km |
| Aug 28, 2010 | 75 km S of D?mgh?n, Iran | M4.9 | 108 km | 6 km |
| Sep 9, 1992 | 22 km SSE of ?z?dshahr, Iran | M4.9 | 63 km | 48 km |
| Aug 18, 1990 | 70 km SE of Kal?leh, Iran | M4.8 | 124 km | 13 km |
| Sep 16, 1997 | 31 km WNW of Gorg?n, Iran | M4.8 | 103 km | 33 km |
| Nov 3, 1997 | 20 km NNE of D?mgh?n, Iran | M4.8 | 49 km | 33 km |
| Jan 25, 1992 | 135 km SE of Shahrud, Iran | M4.8 | 129 km | 33 km |
| Mar 21, 2013 | 56 km NE of Mahdishahr, Iran | M4.8 | 118 km | 10 km |
| Dec 9, 1999 | 19 km S of Behshahr, Iran | M4.8 | 133 km | 10 km |
| Feb 16, 1990 | 28 km SSE of D?mgh?n, Iran | M4.8 | 72 km | 23 km |
| Jul 11, 1994 | 67 km WNW of ?q Q?yeh, Iran | M4.8 | 141 km | 29 km |
| Mar 4, 2010 | 60 km N of Gorg?n, Iran | M4.7 | 127 km | 29 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 |
| 1890 | CASPIAN SEA | Earthquake | — | 171 | 45 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 0.9 in | Coldest |
| February | 39°F (4°C) | 1.0 in | |
| March | 48°F (9°C) | 1.5 in | Wettest |
| April | 59°F (15°C) | 1.1 in | |
| May | 68°F (20°C) | 0.9 in | |
| June | 76°F (25°C) | 0.2 in | |
| July | 81°F (27°C) | 0.1 in | Warmest |
| August | 79°F (26°C) | 0.1 in | Driest |
| September | 72°F (22°C) | 0.2 in | |
| October | 60°F (16°C) | 0.3 in | |
| November | 48°F (9°C) | 0.5 in | |
| December | 38°F (4°C) | 0.9 in |
Rūyān has a seasonal temperature swing of 46°F / from 35°F in January to 81°F in July. Total annual precipitation is 7.7 inches, with March being the wettest month (1.5") and August the driest (0.1").