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 (KöppenDwc), 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 −24.8 °C or −12.6 °F in January to 17.1 °C or 62.8 °F in July, and the annual mean is −2.31 °C or 27.8 °F. For much of the year, diurnal temperature variation is large and frequently in excess of 15 °C or 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 humidity peak during the winter.
Climate data for Arxan, elevation 997 m (3,271 ft), (1991–2020 normals)
Arxan National Forest Park is located in Arxan. The park attracts tourists drawn by its landscape of solidified lava formations, crater lakes and dense forests.[6]
