Arxan (simplified Chinese: 阿尔山; traditional Chinese: 阿爾山; pinyin: Ā'ěrshān; Mongolian: ᠷᠠᠰᠢᠶᠠᠨ ᠬᠣᠲᠠ Arxaan hôt or Рашаан хот; literally spring or spa) is a county-level city of northeastern Inner Mongolia, People's Republic of China. It is under the administration of Hinggan League.
Arxan is located in the northwest of Hinggan League, with latitude ranging from 46° 39' to 47° 39' N and longitude ranging from 119° 28' to 121° 23' E; the maximal north-south extent is 118 km (73 mi), while the maximal east-west width is 142 km (88 mi). It spans part of the southwest of the Greater Khingan Range.
Due to the upper-mid latitude and elevation of around 1,000 m (3,280 ft), the climate of Arxan is a subarctic (Köppen Dwc), with strong monsoonal influence, severely cold winters and warm, rainy summers, and low temperatures averaging below freezing for eight calendar months; the monthly 24-hour average temperature stays below freezing for six calendar months. The monthly 24-hour average temperature ranges from −25.1 °C (−13.2 °F) in January to 16.8 °C (62.2 °F) in July, and the annual mean is −2.70 °C (27.1 °F). For much of the year, diurnal temperature variation is large and frequently in excess of 15 °C (27 °F). Nearly three-fourths of the annual precipitation occurs from June to September; however, precipitation is frequent year-round, with both frequency and relative humidity peaking in summer and there being a secondary peak in the winter.
Çarxan (also, Çarhan, Chargan, and Charkhan) is a village and municipality in the Shamakhi Rayon of Azerbaijan. It has a population of 2,600.