The City and County of Denver, Colorado, is located at 39°43'35" North, 104°57'56" West (39.726287, −104.965486) in the Colorado Front Range region. The Southern Rocky Mountains lie to the west of Denver and the High Plains lie to the east. According to the United States Census Bureau, the city has a total area of 401.3 km² (154.9 mi²). 397.2 km² (153.4 mi²) of it is land and 4.1 km² (1.6 mi²) of it is water. The total area is 1.03% water. Adjacent counties Adams County, Colorado - north and east Arapahoe County, Colorado - south and east and southeastern enclaves Jefferson County, Colorado - west Adjacent Cities City of Commerce City - north City of Brighton – north (separated by a strip of unincorporated Adams County) City of Aurora – east City of Glendale – southeastern enclave City of Greenwood Village - south City of Cherry Hills Village - south City of Englewood -south City of Sheridan -south Town of Bow Mar - south City of Littleton - south City of Lakewood -west City of Edgewater -west City of Wheat Ridge -west Town of Mountain View -west Town of Lakeside - west City of Arvada – northwest (separated by a strip of unincorporated Jefferson County) Berkley CDP - north North Washington CDP - north Climate Denver features a semi-arid climate (Köppen climate classification: BSk) with very low humidity and around 3,100 hours of sunshine per year. The weather of the city and surrounding area is influenced by the proximity of the Rocky Mountains to the west. The climate, while generally mild compared to the mountains to the west and the plains further east, can be moderately unpredictable. Measurable amounts of snow have fallen in Denver as late as Memorial Day and as early as Labor Day. Most recently, Denver received an inch of snow on September 8, 2020, making this the second earliest measurable snowfall on record. The average temperature in Denver is , and the average yearly precipitation is . The average window for measurable (≥) snowfall is October 17 thru April 27, averaging of seasonal accumulation for 1981−2010. Denver averages 270 clear and partly cloudy days per year or 3200 hours of sunshine making it one of the sunniest major cities. Denver receives more precipitation than most locations with semi-arid climates, but still features a semi-arid climate due to its high evapotranspiration. Denver's winters are normally dry and